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Journey information
Overview: Boston, MA to St. Louis, MO flight
USAUSA
Flights from Boston, MA to St. Louis, MO depart on average 38 times per day, taking around 3h 50m. Cheap flight tickets for this journey start at $107 (€85) but you can travel from only $84 (€67) by bus.
There are 1 flights per day. The earliest flight runs at 05:00, the last at 20:01. The fastest flight covers the 1035 miles (1667 km) distance in 3h 5m. January 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 $84 (€67)
Distance 1035 miles (1667 km) |
Average flight duration 3h 50m |
Cheapest ticket price $107 (€85) |
Flights per day 38 |
Direct flights 1 |
Fastest flight 3h 5m |
Cheapest month to travel January |
First flight 05:00 |
Last flight 20:01 |
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 $84 (€67)
The cheapest and fastest flights from Boston, MA to St. Louis, MO
Showing times and prices for Dec 16
Cheapest price
$218
Average price
$253
Fastest journey
5 h 25 m
Average duration
6 h 50 m
Flights per day
2
Distance
1667 km
Cheap tickets
The best way to find a cheap flight ticket from Boston, MA 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 Boston, MA to St. Louis, MO will cost around $253 if you buy it on the day, but the cheapest tickets can be found for only $218.
Fast flights
Of the 2 flights that leave Boston, MA for St. Louis, MO onTue, Dec 16, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Tue, Dec 16 the direct flights cover the 1667 km distance in an average of 6 h 50 m but if you time it right, some flights will get you there in just 5 h 25 m .
On Tue, Dec 16 the longest flights will take 8 h 14 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
06:14PM8h14
Boston, MA02:28AMSt. Louis, MO
$2181One-way
0 transfers
06:49PM5h25
Boston, MA12:14AMSt. Louis, MO
$2881One-way
0 transfers
06:49PM5h25
Boston, MA12:14AMSt. Louis, MO
$2881One-way
0 transfers
06:14PM8h14
Boston, MA02:28AMSt. Louis, MO
$2181One-way
0 transfers
Travel Information
Compare train, bus, and flight for Boston, MA to St. Louis, MO
Omio recommends booking the flight as it is the most popular option from Boston, MA to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from €67. For those with little time consider booking a flight which can get you there in 3h 50m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.5 - 1.5kg. The ticket price range depends on the travel mode: a bus costs an average of €67, and a flight costs an average of €85.
Distance: 1035 miles (1667 km)
Compare flight with
Most popular Flight | Train | Bus |
|---|---|---|
€276 Average price | €182 Average price | €121 Average price Cheapest |
6h 50m Average total duration Fastest 3h 50m Onboard + 3h 0m Additional time* | 27h 56m Average total duration 27h 26m Onboard + 30m Additional time* | 27h 58m Average total duration 27h 28m Onboard + 30m Additional time* |
5.0 - 10.0kg CO2 emissions | 0.5 - 1.5kg CO2 emissions Lowest | 1.7 - 4.2kg CO2 emissions |
 Most popular airline |  Most popular train company |  Most popular bus company |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
Boston, MA to St. Louis, MO flight times
The table below shows live departures for Boston, MA to St. Louis, MO flights for today, Monday, December 15. You can also manually refresh the results below to see updated flight journeys.
Last updated at 11:20 PM
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
 UA1015 · UA4487 | 11:23 PM Edward L. Logan International Airport | 5h22 | 4:45 AM St. Louis Lambert International Airport | 1 transfer | |
| UA521 · UA3468 | 11:25 PM Edward L. Logan International Airport | 6h17 | 5:42 AM St. Louis Lambert International Airport | 1 transfer | |
| Tuesday, December 16 | |||||
| AA2500+AA4576 | 12:01 AM Edward L. Logan International Airport | 5h37 | 5:38 AM St. Louis Lambert International Airport | 1 transfer | |
| UA2136 · UA4427 | 12:07 AM Edward L. Logan International Airport | 16h00 | 4:07 PM St. Louis Lambert International Airport | 1 transfer | |
| UA2136 · UA4527 | 12:07 AM Edward L. Logan International Airport | 25h06 | 1:13 AM St. Louis Lambert International Airport | 1 transfer | |
| 6:14 PM Boston, MA | 8h14 | 2:28 AM St. Louis, MO | 0 transfersDirect | |
| 6:49 PM Boston, MA | 5h25 | 12:14 AM St. Louis, MO | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Boston, MA to St. Louis, MO by train, bus, or flight
Compare train, bus, 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.
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Airlines: Republic Airlines, American Airlines, United from Boston, MA to St. Louis, MOFind the best flights between Boston, MA to St. Louis, MO with Omio's travel partners Republic Airlines, American Airlines, United from $84 (€67). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines is one of the USA’s leading carriers, operating both domestic and international routes. For your next trip, you can choose from Economy, Premium Economy, and Business Class fares.
Luggage & cancellation policy
Average Duration
16h 50m
Cheapest Price
$464 (€371)
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
3h 12m
Cheapest Price
$107 (€85)
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.
Republic Airlines
About
Republic Airways is a major regional airline in the United States, operating as a subsidiary of Republic Airways Holdings. It provides scheduled passenger service for American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express) using a fleet of Embraer 170 and 175 regional jets. Headquartered in Indianapolis, Indiana, Republic Airways operates over 900 daily flights to more than 80 cities across the U.S. and Canada. The company is known for its large fleet of Embraer E-Jets and its state-of-the-art training facilities. In April 2025, Republic Airways Holdings announced its acquisition of Mesa Air Group, which is expected to create the second-largest regional carrier in the U.S.
Luggage & cancellation policy
Average Duration
3h 10m
Cheapest Price
$177 (€141)
Republic Airlines frequency
5 a day
Luggage included
One carry-on bag (24 x 16 x 10) and one personal item
Additional luggage
Checked bags for a fee
Cancellation Policy
Tickets are non-refundable but may be cancelled for future flight credit minus applicable fees
Pregnant on board
Passengers can fly up to the end of their 36th week for single pregnancies and the end of their 32nd week for multiple pregnancies
Unaccompagned minor
Unaccompanied minor service is available for children ages 5-14. Must be booked directly with Republic Airlines
Amenities on board the airplane
USB plugs
Accessibility
Republic Airlines offers assistance for passengers with reduced mobility, including wheelchair services and priority boarding. Passengers are advised to request these services in advance to ensure availability and proper arrangements.
FAQs: Boston, MA to St. Louis, MO Flight
Find answers to the most common questions about traveling from Boston, MA 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.
Cheap plane tickets from Boston, MA to St. Louis, MO can start from as little as $171 (€137) when you book in advance. The average flight ticket price for Boston, MA to St. Louis, MO is $384 (€307); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
On average the Boston, MA to St. Louis, MO flight time is 5 h 6 min covering the 1033 mile (1666 km) long route, but the journey time can vary depending on specific dates or if traveling on weekends and holidays.
The earliest flight from Boston, MA to St. Louis, MO leaves at 5: 00AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Boston, MA to St. Louis, MO leaves at 10: 38PM.
There are 29 flights a day from Boston, MA to St. Louis, MO which require at least one change with Republic Airlines, American Airlines or United. Schedules can vary on holidays or weekends with fewer flights.
For the route from Boston, MA to St. Louis, MO you can take a flight with Republic Airlines, American Airlines or United. Be sure to check out all possible airlines that offer services to St. Louis, MO from Boston, MA on Omio to compare what amenities they may have.
The cheapest month to travel from Boston, MA to St. Louis, MO by plane is July.
It's helpful to compare your options as there are 3 ways to travel between Boston, MA and St. Louis, MO including taking a bus, train or flight.
Since neither Boston, MA nor St. Louis, MO are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. 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 Boston, MA 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 seasons to visit St. Louis, MO are Spring or Fall. The best weather to explore St. Louis, MO is during April-May or September-October.
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.
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.
popular airports
Popular airports from Boston, MA to St. Louis, MO
Boston
St. Louis
The major airport for departures in Boston is Edward L. Logan International Airport. Find all the information you need to know about services, amenities and connections at Edward L. Logan International Airport for your trip from Boston to St. Louis.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
2 km
Car connection
I-90, Exit 26Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops are located in all terminals, including Duty-Free and Hudson News.
Parking
- Parking available in Central Parking Garage, Economy Parking, and terminal B Garage, approximately 7.6€ ($8) per hour.
Dining
- Restaurants are available in all terminals, including Legal Sea Foods (seafood) and Wahlburgers (American).
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport.
Hotel
- Hotels within walking distance, including Hilton Boston Logan Airport.
Shower
- Showers are available in some lounges; access may require a lounge pass or membership.
Lounge
- Lounges available, including The Club and Delta Sky Club.
Lost and Found Office
- Lost and Found located in the Lost & Found Office in terminal C.
Car Rental
- Car rental services are available at the Rental Car Center, accessible by shuttle.
Public transit options for Edward L. Logan International Airport
- MBTA Blue Line, Airport Station, 5 km
The major airport for arrivals in St. Louis is St. Louis Lambert International Airport. Find all the information you need to know about services, amenities and connections at St. Louis Lambert International Airport for your journey to St. Louis from Boston.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Distance to city center
2 kmCar connection
I-70, Exit 236Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in both terminals, including Hudson News and Tech on the Go.
Parking
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
Dining
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout both terminals.
Hotel
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
Shower
- Showers available in some lounges, access may require lounge fee.
Lounge
- Lounges available, including American Airlines Admirals Club.
Lost and Found Office
- Lost and Found located in terminal 1, contact airport for details.
Car Rental
- Car rental services available, including Hertz and Enterprise in terminal 1
Public transit options for St. Louis Lambert International Airport
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
More options for your journey from Boston, MA to St. Louis, MO
Here are some other resources that might have the information you need
Most popular flights to and from St. Louis, MO and Boston, MA
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