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Popular departures
Flight tickets to St. Louis, MO
Select departure
Showing the fastest and cheapest results for Mar 01
Results include alternative arrival locations to St. Louis, MO
UA449401:00PM1h29
O'Hare International Airport02:29PMSt. Louis Lambert International Airport
$4881One-way
0 transfers
UA457609:33PM1h26
O'Hare International Airport10:59PMSt. Louis Lambert International Airport
$4881One-way
0 transfers
UA200507:40PM1h25
O'Hare International Airport09:05PMSt. Louis Lambert International Airport
$4881One-way
0 transfers
About trains to St Louis MO
Find the best deals on affordable flight tickets to St Louis MO, with a comprehensive page dedicated to booking flights to this vibrant city.
St. Louis, Missouri is a bustling city with a rich history and vibrant culture. It is home to iconic landmarks such as the Gateway Arch and the historic Anheuser-Busch Brewery. Flights to St. Louis offer travelers the opportunity to explore its many attractions and experience the warm hospitality of the Midwest.
How to get cheap flight tickets to St Louis MO
If you're looking for affordable travel options, consider booking cheap flights to St. Louis, MO. To secure the best deals, it's important to follow a few key strategies. Firstly, make sure to use any available discounts or promotional codes when booking your tickets. These can significantly reduce the cost of your flight. Additionally, booking in advance is crucial as prices tend to rise closer to the departure date. By planning ahead, you can take advantage of lower fares. Another tip is to consider traveling during the week rather than on weekends, as flights are generally cheaper on weekdays. Lastly, try to avoid peak travel times, such as holidays or popular vacation periods, as prices tend to be higher during these periods. By implementing these tips, you can maximize your chances of finding cheap flights to St. Louis, MO.
Popular flights to and from St. Louis, MO
Popular flights to St. Louis, MO
Orlando, FL to St. Louis, MO flight
from $33
Direct flights available
2h49 average duration
39flights per day
Served by
- American Airlines
- Frontier Airlines
Austin, TX to St. Louis, MO flight
from $95
Direct flights available
3h49 average duration
36flights per day
Served by
- American Airlines
Chicago, IL to St. Louis, MO flight
from $97
Direct flights available
1h21 average duration
19flights per day
Served by
- Republic Airlines
- United
- American Airlines
Phoenix, AZ to St. Louis, MO flight
from $151
Direct flights available
2h55 average duration
46flights per day
Served by
- American Airlines
- Spirit Airlines
Detroit, MI to St. Louis, MO flight
from $199
Direct flights available
3h56 average duration
32flights per day
Served by
- United
Popular flights from St. Louis, MO
St. Louis, MO to Orlando, FL flight
from $33
Direct flights available
2h22 average duration
45flights per day
Served by
- Spirit Airlines
- Frontier Airlines
St. Louis, MO to Denver, CO flight
from $48
Direct flights available
2h27 average duration
56flights per day
Served by
- Frontier Airlines
- American Airlines
- United
St. Louis, MO to Detroit, MI flight
from $106
Direct flights available
3h44 average duration
39flights per day
Served by
- United
St. Louis, MO to Chicago, IL flight
from $130
Direct flights available
1h22 average duration
22flights per day
Served by
- Republic Airlines
- United
- American Airlines
St. Louis, MO to Miami, FL flight
from $157
Direct flights available
2h54 average duration
44flights per day
Served by
- United
- American Airlines
Airlines: American Airlines, United, Republic Airlines flights to St. Louis, MOFind the best trip to St. Louis, MO with American Airlines, United, Republic Airlines. Comparing schedules and prices and booking the most convenient journey has never been easier with over 1000 travel companies on Omio.
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
1h 23m
Cheapest Price
$328 (€260)
United frequency
30 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
1h 14m
Cheapest Price
$95 (€76)
American Airlines frequency
2 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.
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
1h 20m
Cheapest Price
$314 (€249)
Republic Airlines frequency
2 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.
Flights to St. Louis, MO: related information
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Flights from St. Louis, MO
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