$289+ Cheap flights from St. Louis to Amarillo (STL - AMA)
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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AMA
Apr 10 — Apr 171
Round-trip
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
Best
Last-minute
One-way
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 March 11, 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 March 11, 2026.
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:30 pm
STL
- AMA
2 stops6h 55m
Southwest
Thu 4/301:30 pm
AMA
- STL
1 stop9h 10m
Southwest
Deal found 3/9![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:49 pm
STL
- AMA
1 stop5h 45m
United Airlines
Wed 4/13:04 pm
AMA
- STL
1 stop7h 24m
United Airlines
Deal found 3/9![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:10 am
STL
- AMA
1 stop3h 50m
Southwest
Sat 6/65:30 pm
AMA
- STL
1 stop5h 40m
Southwest
Deal found 3/11![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:40 am
STL
- AMA
1 stop7h 30m
Southwest
Sat 3/286:25 pm
AMA
- STL
1 stop4h 40m
Southwest
Deal found 3/9![Southwest logo]()
$447
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 3/268:00 am
STL
- AMA
2 stops8h 00m
American Airlines
Mon 3/306:34 pm
AMA
- STL
1 stop4h 24m
American Airlines
Deal found 3/11![American Airlines logo]()
$463
Best flights from St. Louis to AmarilloDiscover carefully curated flight deals from St. Louis to Amarillo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
Discover carefully curated flight deals from St. Louis to Amarillo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:40 am
STL
- AMA
2 stops7h 20m
Southwest
Thu 4/305:55 pm
AMA
- STL
2 stops6h 00m
Southwest
Deal found 3/9![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:54 am
STL
- AMA
1 stop7h 43m
United Airlines
Wed 4/13:04 pm
AMA
- STL
1 stop7h 24m
United Airlines
Deal found 3/10![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:10 am
STL
- AMA
1 stop3h 50m
Southwest
Sat 6/612:25 pm
AMA
- STL
2 stops7h 35m
Southwest
Deal found 3/11![Southwest logo]()
$392
Last-minute flights from St. Louis to AmarilloDiscover last-minute flight deals from St. Louis to Amarillo. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Amarillo. Data last updated March 11, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:40 am
STL
- AMA
1 stop7h 30m
Southwest
Sat 3/286:25 pm
AMA
- STL
1 stop4h 40m
Southwest
Deal found 3/9![Southwest logo]()
$447
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 3/268:00 am
STL
- AMA
2 stops8h 00m
American Airlines
Mon 3/306:34 pm
AMA
- STL
1 stop4h 24m
American Airlines
Deal found 3/11![American Airlines logo]()
$463
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/263:05 pm
STL
- AMA
2 stops7h 55m
Southwest
Mon 3/303:20 pm
AMA
- STL
2 stops8h 10m
Southwest
Deal found 3/11![Southwest logo]()
$477
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:49 pm
STL
- AMA
1 stop5h 45m
United Airlines
Wed 4/13:04 pm
AMA
- STL
1 stop7h 24m
United Airlines
Deal found 3/9![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:30 pm
STL
- AMA
2 stops6h 55m
Southwest
Thu 4/301:30 pm
AMA
- STL
1 stop9h 10m
Southwest
Deal found 3/9![Southwest logo]()
$338
One-way flights from St. Louis to AmarilloSearch for one-way flight options from St. Louis to Amarillo. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from St. Louis to Amarillo. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 3/164:13 pm
STL
- AMA
1 stop6h 12m
American Airlines
Deal found 3/9![American Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/163:05 pm
STL
- AMA
2 stops7h 55m
Southwest
Deal found 3/9![Southwest logo]()
$294
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 March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Southwest) |
One-way from | $289 (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 March 11, 2026.
Use the filters below to find and compare flights from St. Louis to Amarillo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisAmarillo
STL - AMA
STLAMA
Lambert-St Louis
Thu 4/23
5:40 am-1:00 pm
2 stops7h 20m
Amarillo
Thu 4/30
5:55 pm-11:55 pm
2 stops6h 00m
$357
St. LouisAmarillo
STL - AMA
STLAMA
Lambert-St Louis
Tue 3/31
8:54 am-4:37 pm
1 stop7h 43m
Amarillo
Wed 4/1
3:04 pm-10:28 pm
1 stop7h 24m
$373
Quickest round-trip
St. LouisAmarillo
STL - AMA
STLAMA
Lambert-St Louis
Sat 5/30
6:10 am-10:00 am
1 stop3h 50m
Amarillo
Sat 6/6
12:25 pm-8:00 pm
2 stops7h 35m
$392
Cheapest one-way
Quickest one-way
St. LouisAmarillo
STL - AMA
STLAMA
Lambert-St Louis
Mon 3/16
4:13 pm-10:25 pm
1 stop6h 12m
$289
St. LouisAmarillo
STL - AMA
STLAMA
Lambert-St Louis
Mon 3/16
3:05 pm-11:00 pm
2 stops7h 55m
$294
Sorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 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 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.
STL-AMA
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 Amarillo
Get insights into the airlines that provide service to Amarillo. 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 Amarillo. Reviews last updated March 11, 2026.
Read through reviews of airlines operating flights from St. Louis to Amarillo, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Entertainment
6.9
Overall
7.1
Comfort
7.2
Boarding
7.5
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Crew
7.9
Entertainment
6.9
Overall
7.1
Comfort
7.2
Boarding
7.5
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
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.
Traveling to a place near Amarillo?
Book flights to Amarillo if you plan to visit one of these locationsDalhart
Dumas
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Top airline flying from St. Louis to Amarillo
Discover the top airline that operate flights from St. Louis to Amarillo. 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 March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$366 | FlexibilityNo cancel fee | On-time71% |