$543+ Cheap flights from St. Louis to Amarillo (STL - AMA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AMA
Feb 25 — Mar 41
1 adult, Economy
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Find cheap flights from St. Louis to Amarillo 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 St. Louis to Amarillo
Cheapest flights from St. Louis to AmarilloExplore the most affordable flight options available from St. Louis to Amarillo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.
Explore the most affordable flight options available from St. Louis to Amarillo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.
This American Airlines deal was found by Cheapflights users on 1/25. 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 2/93:37 pm
STL
- AMA
1 stop7h 16m
American Airlines
Fri 2/1312:30 pm
AMA
- STL
1 stop6h 59m
American Airlines
Deal found 1/25![American Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 2/99:57 am
STL
- AMA
2 stops11h 54m
United Airlines
Fri 2/1312:04 pm
AMA
- STL
2 stops10h 55m
United Airlines
Deal found 1/25![United Airlines logo]()
$729
This Southwest deal was found by Cheapflights users on 1/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/286:00 am
STL
- AMA
1 stop7h 15m
Southwest
Fri 1/305:00 pm
AMA
- STL
1 stop3h 35m
Southwest
Deal found 1/24![Southwest logo]()
$752
Find flight deals from St. Louis to Amarillo
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Amarillo (AMA). 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 January 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $543 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Amarillo 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 January 26, 2026.
Use the filters below to find and compare flights from St. Louis to Amarillo that are best for you.
Fly from
St. Louis
Fly to
Amarillo
Route
Depart
Return
Price
St. LouisAmarillo
STL - AMA
STLAMA
Lambert-St Louis
Mon 2/9
3:37 pm-10:53 pm
1 stop7h 16m
Amarillo
Fri 2/13
12:30 pm-7:29 pm
1 stop6h 59m
$543
St. LouisAmarillo
STL - AMA
STLAMA
Lambert-St Louis
Mon 2/9
9:57 am-9:51 pm
2 stops11h 54m
Amarillo
Fri 2/13
12:04 pm-10:59 pm
2 stops10h 55m
$729
Compare providers for flights from St. Louis to Amarillo
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 St. Louis to Amarillo in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Amarillo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Amarillo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Amarillo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Amarillo flights, Cheapflights users trust Expedia the most. Expedia 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 St. Louis-Amarillo 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 St. Louis to Amarillo
Have a flexible travel schedule? Discover the best time to fly to Amarillo from St. Louis with our price prediction graph.
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.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Amarillo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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