$461+ Cheap flights from Incheon Intl (ICN) to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — STL
Mar 14 — Mar 211
1 adult, Economy
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Find cheap flights from Incheon Intl to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Incheon Intl to St. Louis
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Cheapest flights from Incheon Intl to St. LouisExplore the most affordable flight options available from Incheon Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
Explore the most affordable flight options available from Incheon Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:15 pm
ICN
- STL
1 stop30h 46m
American Airlines
Sun 3/16:57 pm
STL
- ICN
2 stops30h 48m
American Airlines
Deal found 2/11![American Airlines logo]()
$764
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:15 pm
ICN
- STL
1 stop36h 58m
American Airlines
Mon 2/232:31 pm
STL
- ICN
2 stops35h 14m
American Airlines
Deal found 2/9![American Airlines logo]()
$851
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 pm
ICN
- STL
2 stops32h 21m
Air Canada
Mon 8/314:30 pm
STL
- ICN
2 stops33h 35m
Air Canada
Deal found 2/9![Air Canada logo]()
$862
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:25 am
ICN
- STL
2 stops23h 40m
Multiple Airlines
Mon 8/316:41 am
STL
- ICN
1 stop20h 49m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$900
This Korean Air deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:30 pm
ICN
- STL
1 stop18h 53m
Korean Air
Mon 2/236:10 am
STL
- ICN
1 stop18h 20m
Korean Air
Deal found 2/11![Korean Air logo]()
$935
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:45 pm
ICN
- STL
2 stops41h 09m
Air Canada
Mon 4/206:05 pm
STL
- ICN
2 stops32h 00m
Air Canada
Deal found 2/9![Air Canada logo]()
$940
Best flights from Incheon Intl to St. LouisDiscover carefully curated flight deals from Incheon Intl to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Incheon Intl to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:15 pm
ICN
- STL
1 stop30h 46m
American Airlines
Sun 3/16:50 pm
STL
- ICN
1 stop30h 55m
American Airlines
Deal found 2/11![American Airlines logo]()
$764
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 pm
ICN
- STL
2 stops32h 21m
Air Canada
Mon 8/315:20 am
STL
- ICN
2 stops20h 45m
Air Canada
Deal found 2/11![Air Canada logo]()
$864
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:25 am
ICN
- STL
2 stops23h 40m
Multiple Airlines
Mon 8/316:41 am
STL
- ICN
1 stop20h 49m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$900
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:45 pm
ICN
- STL
2 stops41h 09m
Air Canada
Sun 4/194:05 pm
STL
- ICN
2 stops34h 00m
Air Canada
Deal found 2/11![Air Canada logo]()
$945
This Alaska Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:35 pm
ICN
- STL
1 stop17h 24m
Multiple Airlines
Mon 4/207:00 am
STL
- ICN
1 stop21h 35m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,043
This Air Canada deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:45 pm
ICN
- STL
2 stops41h 09m
Air Canada
Sat 4/252:40 pm
STL
- ICN
2 stops35h 25m
Air Canada
Deal found 2/12![Air Canada logo]()
$973
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:35 pm
ICN
- STL
1 stop17h 24m
Multiple Airlines
Sun 4/197:00 am
STL
- ICN
1 stop21h 35m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$1,046
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:45 pm
ICN
- STL
2 stops41h 09m
Air Canada
Fri 4/244:05 pm
STL
- ICN
2 stops34h 00m
Air Canada
Deal found 2/11![Air Canada logo]()
$976
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:45 pm
ICN
- STL
2 stops41h 09m
Air Canada
Tue 4/218:54 am
STL
- ICN
2 stops41h 11m
Air Canada
Deal found 2/10![Air Canada logo]()
$1,037
This Gotogate deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:55 pm
ICN
- STL
2 stops40h 46m
Air Canada
Thu 4/24:05 pm
STL
- ICN
2 stops58h 00m
Air Canada
Deal found 2/9![Air Canada logo]()
$1,055
Last-minute flights from Incheon Intl to St. LouisDiscover last-minute flight deals from Incheon Intl to St. Louis. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to St. Louis. Data last updated February 12, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:15 pm
ICN
- STL
1 stop36h 58m
American Airlines
Mon 2/232:31 pm
STL
- ICN
2 stops35h 14m
American Airlines
Deal found 2/9![American Airlines logo]()
$851
This Korean Air deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:30 pm
ICN
- STL
1 stop18h 53m
Korean Air
Mon 2/236:10 am
STL
- ICN
1 stop18h 20m
Korean Air
Deal found 2/11![Korean Air logo]()
$935
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:45 pm
ICN
- STL
3 stops24h 29m
United Airlines
Mon 2/234:30 pm
STL
- ICN
2 stops22h 10m
United Airlines
Deal found 2/11![United Airlines logo]()
$1,187
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:15 pm
ICN
- STL
1 stop30h 46m
American Airlines
Sun 3/16:57 pm
STL
- ICN
2 stops30h 48m
American Airlines
Deal found 2/11![American Airlines logo]()
$764
This Gotogate deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:55 pm
ICN
- STL
2 stops40h 46m
Air Canada
Thu 4/24:05 pm
STL
- ICN
2 stops58h 00m
Air Canada
Deal found 2/9![Air Canada logo]()
$1,055
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/268:05 pm
ICN
- STL
2 stops17h 20m
Delta
Thu 4/26:29 am
STL
- ICN
1 stop20h 51m
Delta
Deal found 2/9![Delta logo]()
$1,191
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/268:05 pm
ICN
- STL
1 stop17h 54m
Multiple Airlines
Thu 4/27:00 am
STL
- ICN
1 stop19h 50m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,233
One-way flights from Incheon Intl to St. LouisSearch for one-way flight options from Incheon Intl to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from Incheon Intl to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This FlightHub deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:25 am
ICN
- STL
2 stops23h 40m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$461
This Expedia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:10 am
ICN
- STL
2 stops25h 55m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$495
This Travelocity deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:10 am
ICN
- STL
2 stops25h 52m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:25 am
ICN
- STL
3 stops30h 32m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:10 pm
ICN
- STL
3 stops30h 12m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:00 am
ICN
- STL
3 stops46h 45m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:10 am
ICN
- STL
3 stops47h 56m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 pm
ICN
- STL
2 stops37h 06m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$578
Find flight deals from Incheon Intl to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $758 (American Airlines) |
One-way from | $461 (FlightHub) |
Popular in | July |
Cheapest in | November |
Average price | $987 |
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to St. Louis that are best for you.
Fly from
Incheon Intl
Fly to
St. Louis
Route
Depart
Return
Price
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 2/23
7:15 pm-11:01 am
1 stop30h 46m
Lambert-St Louis
Sun 3/1
6:50 pm-4:45 pm
1 stop30h 55m
$764
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Wed 5/27
5:45 pm-12:06 pm
2 stops32h 21m
Lambert-St Louis
Mon 8/31
5:20 am-4:05 pm
2 stops20h 45m
$864
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Wed 5/27
10:25 am-8:05 pm
2 stops23h 40m
Lambert-St Louis
Mon 8/31
6:41 am-5:30 pm
1 stop20h 49m
$900
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 4/13
5:45 pm-8:54 pm
2 stops41h 09m
Lambert-St Louis
Sun 4/19
4:05 pm-4:05 pm
2 stops34h 00m
$945
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 4/13
5:45 pm-8:54 pm
2 stops41h 09m
Lambert-St Louis
Sat 4/25
2:40 pm-4:05 pm
2 stops35h 25m
$973
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 4/13
5:45 pm-8:54 pm
2 stops41h 09m
Lambert-St Louis
Fri 4/24
4:05 pm-4:05 pm
2 stops34h 00m
$976
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Tue 4/14
5:45 pm-8:54 pm
2 stops41h 09m
Lambert-St Louis
Tue 4/21
8:54 am-4:05 pm
2 stops41h 11m
$1,037
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 4/13
8:35 pm-11:59 pm
1 stop17h 24m
Lambert-St Louis
Mon 4/20
7:00 am-6:35 pm
1 stop21h 35m
$1,043
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Mon 4/13
8:35 pm-11:59 pm
1 stop17h 24m
Lambert-St Louis
Sun 4/19
7:00 am-6:35 pm
1 stop21h 35m
$1,046
IncheonSt. Louis
ICN - STL
ICNSTL
Incheon Intl
Thu 3/26
5:55 pm-8:41 pm
2 stops40h 46m
Lambert-St Louis
Thu 4/2
4:05 pm-4:05 pm
2 stops58h 00m
$1,055
Showing 1-10 of 17 results
Compare providers for flights from Incheon Intl to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to St. Louis in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Incheon Intl to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Incheon Intl with our price prediction graph.
ICN-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated February 12, 2026.
Get a feel of what it's like to fly with Delta and American Airlines from Incheon Intl Airport to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
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Incheon Intl and St. Louis flights
Browse other Incheon Intl and St. Louis flight options. Last updated on February 12, 2026.
Other flights from Incheon Intl
Browse through other flights departing from Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on February 12, 2026.
Popular flight searches
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 12, 2026.
Top 2 airlines flying from Incheon Intl to St. Louis
Discover the top 2 airlines that operate flights from Incheon Intl to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$568 | Average$1,621 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$630 | Average$784 | FlexibilityNo cancel fee | On-timeN/A |