$219+ Cheap flights from Amarillo to St. Louis (AMA - STL)
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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
AMA — STL
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Amarillo 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 Amarillo to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Amarillo to St. LouisExplore the most affordable flight options available from Amarillo to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Amarillo to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/187:04 pm -
1 stop4h 29m
Wed 11/255:00 am -
1 stop4h 59m
Deal found 10/19![American Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/189:11 am -
1 stop5h 02m
Wed 11/251:08 pm -
2 stops8h 33m
Deal found 10/19![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 10/19. 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 11/183:50 pm -
2 stops6h 10m
Wed 11/253:30 pm -
2 stops8h 15m
Deal found 10/19![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 10/16. 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 11/265:50 am -
1 stop6h 00m
Sun 12/275:55 am -
1 stop4h 55m
Deal found 10/16![Southwest logo]()
$467
Best flights from Amarillo to St. LouisDiscover carefully curated flight deals from Amarillo to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Amarillo to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/187:04 pm -
1 stop4h 29m
Wed 11/255:00 am -
1 stop4h 59m
Deal found 10/19![American Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/189:11 am -
1 stop5h 02m
Wed 11/251:08 pm -
2 stops8h 33m
Deal found 10/19![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 10/19. 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 11/183:50 pm -
2 stops6h 10m
Wed 11/253:30 pm -
2 stops8h 15m
Deal found 10/19![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 10/16. 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 11/265:50 am -
1 stop6h 00m
Sun 12/275:55 am -
1 stop4h 55m
Deal found 10/16![Southwest logo]()
$467
Last-minute flights from Amarillo to St. LouisDiscover last-minute flight deals from Amarillo to St. Louis. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Amarillo to St. Louis. Data last updated October 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/187:04 pm -
1 stop4h 29m
Wed 11/255:00 am -
1 stop4h 59m
Deal found 10/19![American Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 11/189:11 am -
1 stop5h 02m
Wed 11/251:08 pm -
2 stops8h 33m
Deal found 10/19![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 10/19. 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 11/183:50 pm -
2 stops6h 10m
Wed 11/253:30 pm -
2 stops8h 15m
Deal found 10/19![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 10/16. 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 11/265:50 am -
1 stop6h 00m
Sun 12/275:55 am -
1 stop4h 55m
Deal found 10/16![Southwest logo]()
$467
One-way flights from Amarillo to St. LouisSearch for one-way flight options from Amarillo to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Amarillo to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/95:14 pm -
1 stop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![American Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/911:57 am -
2 stops11h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$240
This American Airlines deal was found by Cheapflights users on 10/17. 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.
Sun 1/35:51 pm -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![American Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 10/17. 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.
Sun 1/36:15 pm -
2 stops6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 10/285:00 am -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![American Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 10/15. 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 10/285:45 am -
2 stops7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 10/283:19 pm -
3 stops26h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![United Airlines logo]()
$774
Find flight deals from Amarillo to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Amarillo (AMA) 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 October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $467 (Southwest) |
One-way from | $205 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Amarillo 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 7,457,451 searches. Data last updated October 20, 2026.
Use the filters below to find and compare flights from Amarillo to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AmarilloSt. Louis
AMA Amarillo - STL Lambert-St Louis
AMASTL
Amarillo
Mon 11/9
11:57 am-11:24 pm
2 stops11h 27m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$240
AmarilloSt. Louis
AMA Amarillo - STL Lambert-St Louis
AMASTL
Amarillo
Wed 11/18
7:04 pm-11:33 pm
1 stop4h 29m
Lambert-St Louis
Wed 11/25
5:00 am-9:59 am
1 stop4h 59m
$269
Quickest round-trip
AmarilloSt. Louis
AMA Amarillo - STL Lambert-St Louis
AMASTL
Amarillo
Sun 1/3
6:15 pm-12:15 am
2 stops6h 00m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$294
AmarilloSt. Louis
AMA Amarillo - STL Lambert-St Louis
AMASTL
Amarillo
Wed 11/18
9:11 am-2:13 pm
1 stop5h 02m
Lambert-St Louis
Wed 11/25
1:08 pm-9:41 pm
2 stops8h 33m
$311
AmarilloSt. Louis
AMA Amarillo - STL Lambert-St Louis
AMASTL
Amarillo
Wed 10/28
5:00 am-12:03 pm
1 stop7h 03m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$312
AmarilloSt. Louis
AMA Amarillo - STL Lambert-St Louis
AMASTL
Amarillo
Wed 10/28
5:45 am-1:30 pm
2 stops7h 45m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$317
AmarilloSt. Louis
AMA Amarillo - STL Lambert-St Louis
AMASTL
Amarillo
Wed 11/18
3:50 pm-10:00 pm
2 stops6h 10m
Lambert-St Louis
Wed 11/25
3:30 pm-11:45 pm
2 stops8h 15m
$390
AmarilloSt. Louis
AMA Amarillo - STL Lambert-St Louis
AMASTL
Amarillo
Thu 11/26
5:50 am-11:50 am
1 stop6h 00m
Lambert-St Louis
Sun 12/27
5:55 am-10:50 am
1 stop4h 55m
$467
Sorted by cheapest first
Compare providers for flights from Amarillo 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 Amarillo to St. Louis in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Amarillo-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Amarillo-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Amarillo-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Amarillo-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 Amarillo-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 Amarillo to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Amarillo with our price prediction graph.
AMA-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.
Related info for your journey
Find useful and relevant information for your journey from Amarillo 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 locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Collinsville
Edwardsville
Glencoe
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