Baltimore, MD BWI to St. Louis, MO STL flight with American Airlines

Mon, May 18
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Journey information

Overview: Baltimore, MD to St. Louis, MO flight

USAUSA
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Icon of flight

Flights from Baltimore, MD to St. Louis, MO depart on average 31 times per day, taking around 3h 34m. Cheap flight tickets for this journey start at $169 (€136) but you can travel from only $93 (€75) by bus.

The earliest flight runs at 05:00, the last at 20:40. The fastest flight covers the 730 miles (1176 km) distance in 4h 14m. April is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $93 (€75)
Distance
730 miles (1176 km)
Average flight duration
3h 34m
Cheapest ticket price
$169 (€136)
Flights per day
31
Fastest flight
4h 14m
First flight
5:00 AM
Last flight
8:40 PM
Cheapest Month
Apr
Cheapest Day
Fri
High Season
Jan - Mar
Low Season
Jul - Sep
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $93 (€75)

The cheapest and fastest flights from Baltimore, MD to St. Louis, MO

Showing times and prices for May 18

Cheapest price

$345

Average price

$748

Fastest journey

4 h 25 m

Average duration

4 h 28 m

Flights per day

58

Distance

1176 km

Cheap tickets

The best way to find a cheap flight ticket from Baltimore, MD to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Baltimore, MD to St. Louis, MO will cost around $748 if you buy it on the day, but the cheapest tickets can be found for only $345.

Fast flights

It's difficult to get from Baltimore, MD to St. Louis, MO without transferring at least once.

  • American AirlinesAA1925 · AA2477
    3:31 PM4h59
    Baltimore/Washington International Airport
    7:30 PMSt. Louis Lambert International Airport
    $3451One-way
    1 transfer
  • UnitedUA5635 · UA4558
    9:20 AM6h12
    Baltimore/Washington International Airport
    2:32 PMSt. Louis Lambert International Airport
    $3451One-way
    1 transfer
  • UnitedUA704 · UA4558
    11:00 AM4h32
    Baltimore/Washington International Airport
    2:32 PMSt. Louis Lambert International Airport
    $3451One-way
    1 transfer
  • UnitedUA1081 · UA4557
    7:05 PM4h40
    Baltimore/Washington International Airport
    10:45 PMSt. Louis Lambert International Airport
    $3451One-way
    1 transfer
  • American AirlinesAA1708 · AA2950
    5:05 AM4h25
    Baltimore/Washington International Airport
    8:30 AMSt. Louis Lambert International Airport
    $3451One-way
    1 transfer

Travel Information

Compare bus, train, and flight for Baltimore, MD to St. Louis, MO

Omio recommends booking the bus as it is the most popular option from Baltimore, MD to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from $93. For those with little time consider booking a flight which can get you there in 3h 34m. The ticket price range depends on the travel mode: a bus costs an average of $93, and a train costs an average of $130.

Distance: 730 miles (1176 km)

Compare flight with

Flight
Most popular
Bus
Train
Driving

$249

Average price

$211

Average price

Cheapest

$327

Average price

$178

Average price

(fuel + tolls)

6h 34m

Average total duration

Fastest

3h 34m

Onboard

+

3h 0m

Additional time*

21h 10m

Average total duration

20h 40m

Onboard

+

30m

Additional time*

26h 29m

Average total duration

25h 59m

Onboard

+

30m

Additional time*

12h 58m

Average total duration

(door-to-door)

American Airlines

Most popular airline

Greyhound

Most popular bus company

Amtrak

Most popular train company

Your own car or car rental

Direct Options

Direct Options

Direct Options

Direct Options

The cheapest way to travel from Baltimore, MD to St. Louis, MO is a bus with an average price of $211 (€171).

This is compared to other travel options from Baltimore, MD to St. Louis, MO:

A bus is $37 (€30) less than a flight for this route with tickets for a flight from Baltimore, MD to St. Louis, MO costing on average $249 (€201).

A bus is $116 (€94) less than a train for this route with tickets for a train from Baltimore, MD to St. Louis, MO costing on average $327 (€264).

The fastest way to travel from Baltimore, MD to St. Louis, MO is by flight with an average journey time of 3h 34m.

Other travel options to St. Louis, MO take longer:

Bus takes on average 20h 40m.

Train takes on average 25h 59m.

It's helpful to compare your options as there are 3 ways to travel between Baltimore, MD and St. Louis, MO including taking a bus, train, and flight.
We recommend using the bus as it is the most popular way to get from Baltimore, MD to St. Louis, MO among Omio's users.

Live departures

Baltimore, MD to St. Louis, MO flight times

The table below shows live departures for Baltimore, MD to St. Louis, MO flights for tomorrow, Monday, May 18. You can also manually refresh the results below to see updated flight journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
American AirlinesAA1708 · AA29585:05 AM Baltimore/Washington International Airport
9h17
1:22 PM St. Louis Lambert International Airport1 transfer
American AirlinesAA1708 · AA1661 · AA19265:05 AM Baltimore/Washington International Airport
7h42
11:47 AM St. Louis Lambert International Airport2 transfers
American AirlinesAA1708 · AA29505:05 AM Baltimore/Washington International Airport
4h25
8:30 AM St. Louis Lambert International Airport1 transfer
skywest airlinesAA6447+Republic AirlinesAA44875:39 AM Baltimore/Washington International Airport
9h24
2:03 PM St. Louis Lambert International Airport1 transfer
American AirlinesAA1926+Republic AirlinesAA44875:39 AM Baltimore/Washington International Airport
7h08
11:47 AM St. Louis Lambert International Airport1 transfer
American AirlinesAA2149 · AA2958+Republic AirlinesAA44875:39 AM Baltimore/Washington International Airport
8h43
1:22 PM St. Louis Lambert International Airport2 transfers
UnitedUA1898 · UA14966:00 AM Baltimore/Washington International Airport
17h30
10:30 PM St. Louis Lambert International Airport1 transfer
UnitedUA1898 · UA62446:00 AM Baltimore/Washington International Airport
11h01
4:01 PM St. Louis Lambert International Airport1 transfer
UnitedUA2192 · UA60466:05 AM Baltimore/Washington International Airport
13h17
6:22 PM St. Louis Lambert International Airport1 transfer
American AirlinesAA2670 · AA29586:12 AM Baltimore/Washington International Airport
8h10
1:22 PM St. Louis Lambert International Airport1 transfer
American AirlinesAA2670 · AA2174+skywest airlinesAA64476:12 AM Baltimore/Washington International Airport
8h51
2:03 PM St. Louis Lambert International Airport2 transfers
American AirlinesAA2670 · AA1660+skywest airlinesAA64476:12 AM Baltimore/Washington International Airport
8h51
2:03 PM St. Louis Lambert International Airport2 transfers
UnitedUA349 · UA45586:15 AM Baltimore/Washington International Airport
9h17
2:32 PM St. Louis Lambert International Airport1 transfer
UnitedUA349 · UA46136:15 AM Baltimore/Washington International Airport
5h33
10:48 AM St. Louis Lambert International Airport1 transfer
UnitedUA349 · UA44916:15 AM Baltimore/Washington International Airport
7h32
12:47 PM St. Louis Lambert International Airport1 transfer
UnitedUA2412 · UA13158:27 AM Baltimore/Washington International Airport
9h30
4:57 PM St. Louis Lambert International Airport1 transfer
UnitedUA2412 · UA12938:27 AM Baltimore/Washington International Airport
13h16
8:43 PM St. Louis Lambert International Airport1 transfer
UnitedUA5635 · UA44259:20 AM Baltimore/Washington International Airport
9h52
6:12 PM St. Louis Lambert International Airport1 transfer
UnitedUA5635 · UA44919:20 AM Baltimore/Washington International Airport
4h27
12:47 PM St. Louis Lambert International Airport1 transfer
UnitedUA5635 · UA52149:20 AM Baltimore/Washington International Airport
8h19
4:39 PM St. Louis Lambert International Airport1 transfer
UnitedUA5635 · UA45459:20 AM Baltimore/Washington International Airport
10h33
6:53 PM St. Louis Lambert International Airport1 transfer
UnitedUA5635 · UA45589:20 AM Baltimore/Washington International Airport
6h12
2:32 PM St. Louis Lambert International Airport1 transfer
American AirlinesAA1929 · AA24779:51 AM Baltimore/Washington International Airport
10h39
7:30 PM St. Louis Lambert International Airport1 transfer
American AirlinesAA1929 · AA29589:51 AM Baltimore/Washington International Airport
4h31
1:22 PM St. Louis Lambert International Airport1 transfer
American AirlinesAA1929 · AA2530 · AA4189:51 AM Baltimore/Washington International Airport
7h50
4:41 PM St. Louis Lambert International Airport2 transfers
American AirlinesAA1929 · AA29439:51 AM Baltimore/Washington International Airport
9h13
6:04 PM St. Louis Lambert International Airport1 transfer
UnitedUA704 · UA48511:00 AM Baltimore/Washington International Airport
11h13
9:13 PM St. Louis Lambert International Airport1 transfer
UnitedUA704 · UA442511:00 AM Baltimore/Washington International Airport
8h12
6:12 PM St. Louis Lambert International Airport1 transfer
UnitedUA704 · UA455811:00 AM Baltimore/Washington International Airport
4h32
2:32 PM St. Louis Lambert International Airport1 transfer
UnitedUA704 · UA454511:00 AM Baltimore/Washington International Airport
8h53
6:53 PM St. Louis Lambert International Airport1 transfer
UnitedUA704 · UA521411:00 AM Baltimore/Washington International Airport
6h39
4:39 PM St. Louis Lambert International Airport1 transfer
UnitedUA704 · UA441611:00 AM Baltimore/Washington International Airport
9h51
7:51 PM St. Louis Lambert International Airport1 transfer
American AirlinesAA1931 · AA159411:31 AM Baltimore/Washington International Airport
11h53
10:24 PM St. Louis Lambert International Airport1 transfer
Republic AirlinesAA4693+American AirlinesAA1522 · AA247711:46 AM Baltimore/Washington International Airport
8h44
7:30 PM St. Louis Lambert International Airport2 transfers
American AirlinesAA418+Republic AirlinesAA469311:46 AM Baltimore/Washington International Airport
5h55
4:41 PM St. Louis Lambert International Airport1 transfer
skywest airlinesAA6399+Republic AirlinesAA469311:46 AM Baltimore/Washington International Airport
5h14
4:00 PM St. Louis Lambert International Airport1 transfer

This is the last flight of the day.

Find all the dates and times for this journey

Compare prices and tickets Baltimore, MD to St. Louis, MO by bus, train, or flight

Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Mon
May 18
Tue
May 19
Wed
May 20
Thu
May 21
Fri
May 22
Sat
May 23
Sun
May 24

Why should you book Baltimore, MD to St. Louis, MO flights with Omio?

American Airlines as well as United offer flights services from Baltimore, MD to St. Louis, MO.
Omio is an official ticket reseller for all your travel options from Baltimore, MD to St. Louis, MO.

Why book with Omio vs American Airlines?

  • Compare with other providers: On Omio, you can not only buy tickets for American Airlines, but also compare tickets for the likes of United to find the best option for your trip from Baltimore, MD to St. Louis, MO.
  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are bus, train and flight to ensure you get the best deal for traveling from Baltimore, MD to St. Louis, MO.

Why book with Omio over Trip, Edreams or Skyscanner?

  • Compare with other providers: On Omio, you can also compare tickets for the likes of United to find the best option for your trip from Baltimore, MD to St. Louis, MO.
  • Multiple modes of transport: Omio allows you to compare travel options including bus, train and flight to find the ideal travel option from Baltimore, MD to St. Louis, MO.

Airlines: American Airlines, United from Baltimore, MD to St. Louis, MOFind the best flights between Baltimore, MD to St. Louis, MO with Omio's travel partners American Airlines, United from $93 (€75). We can find you the best deals, schedules and tickets when comparing and booking the best trip.

United

About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average Duration
4h 55m
Cheapest Price
$222 (€179)
United frequency
22 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.

American Airlines

About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
4h 14m
Cheapest Price
$169 (€136)
American Airlines frequency
13 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.

FAQs: Baltimore, MD to St. Louis, MO Flight

Find answers to the most common questions about traveling from Baltimore, MD to St. Louis, MO by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at St. Louis, MO, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Baltimore, MD to St. Louis, MO can start from as little as $169 (€136) when you book in advance. The average flight ticket price for Baltimore, MD to St. Louis, MO is $249 (€201) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Baltimore, MD to St. Louis, MO is 4h 14m to travel the 730 miles (1176 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Baltimore, MD to St. Louis, MO leaves at 5:00 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Baltimore, MD to St. Louis, MO leaves at 8:40 PM.
There are 31 flights a day from Baltimore, MD to St. Louis, MO which require at least one change with American Airlines, United. Schedules can vary on holidays or weekends with fewer flights.
When taking a flight from Baltimore, MD to St. Louis, MO, you can count on American Airlines, United for the best way to get you to St. Louis, MO. You can also check all possible airlines who offer a service between Baltimore, MD and St. Louis, MO and compare the amenities they offer before buying a plane ticket.
Flights from Baltimore, MD to St. Louis, MO generally leave from Baltimore/Washington International Airport and arrive in St. Louis Lambert International Airport.Baltimore/Washington International Airport is 1 miles (2 km) away from Baltimore, MD city centre and St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
The cheapest month for a flight from Baltimore, MD to St. Louis, MO is April.
It's helpful to compare your options as there are 3 ways to travel between Baltimore, MD and St. Louis, MO including taking a bus, train, and flight.
Since neither Baltimore, MD nor St. Louis, MO are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 1 h between Baltimore, MD and St. Louis, MO all year round.
The best events to attend in St. Louis, MO include:
  • St. Louis Mardi Gras, a vibrant celebration featuring parades, live music, and festive activities in the Soulard neighborhood
  • St. Louis Art Fair, an annual event showcasing local and national artists with art exhibits, live performances, and culinary delights
  • Fair St. Louis, a multi-day Independence Day festival with fireworks, concerts, and family-friendly activities along the Gateway Arch.
The best holidays to experience in St. Louis, MO include:
  • Independence Day, vibrant fireworks and festive celebrations throughout the city
  • Labor Day, pleasant weather and various outdoor activities
  • Thanksgiving, a time for family gatherings with a charming autumn atmosphere.
The best season to visit St. Louis, MO is Spring or Fall. The best weather to explore St. Louis, MO is during April-May or September-October.
We recommend using the bus as it is the most popular way to get from Baltimore, MD to St. Louis, MO among Omio's users.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In St. Louis, MO, travelers should be cautious in certain neighborhoods with higher crime rates, especially after dark. Common safety concerns include petty theft, pickpocketing, and occasional scams targeting visitors near popular attractions like the Gateway Arch. It’s advisable to stay in well-populated areas, avoid displaying valuables openly, and use reputable transportation services to minimize risks.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular airports

Popular airports from Baltimore, MD to St. Louis, MO

Baltimore
St. Louis
The major airport for departures in Baltimore is Baltimore/Washington International Airport. Find all the information you need to know about services, amenities and connections at Baltimore/Washington International Airport for your trip from Baltimore to St. Louis.
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
information
ticketOfficeHours
Distance to city center
2 km
carConnection
Car connection
I-195, Exit 1A
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops located in the main terminal, including Hudson News, Tech on the Go.
Parking
Parking
  • Hourly Garage located directly across from the terminal, approximately 3.8€ ($4) per hour.
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps, ramps.
WC
WC
  • Available throughout the airport.
Shower
Shower
  • Yes
Lounge
Lounge
  • The Club BWI, located near Gate D10.
Lost and Found Office
Lost and Found Office
  • Located in the main terminal, near baggage claim.
Public transit options for Baltimore/Washington International Airport
  • Buses: 75, 107, B30
  • Train: MARC
  • Light Rail: Light RailLink

Most popular flights to and from St. Louis, MO and Baltimore, MD

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