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Amarillo

$346+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — AMA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from St. Louis to Amarillo

Cheapest flights from St. Louis to Amarillo
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/144:45 pmSTL - AMA
1 stop5h 49mUnited Airlines
Wed 12/178:00 amAMA - STL
1 stop4h 39mUnited Airlines
Deal found 12/10$667
This Southwest deal was found by Cheapflights users on 12/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:25 amSTL - AMA
1 stop7h 00mSouthwest
Wed 12/176:20 amAMA - STL
2 stops8h 05mSouthwest
Deal found 12/10$672
This Southwest deal was found by Cheapflights users on 12/11. 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.
Fri 12/125:25 amSTL - AMA
1 stop7h 00mSouthwest
Sat 12/133:45 pmAMA - STL
1 stop3h 55mSouthwest
Deal found 12/11$757
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/126:15 amSTL - AMA
1 stop8h 03mUnited Airlines
Sat 12/138:00 amAMA - STL
2 stops9h 03mUnited Airlines
Deal found 12/11$762

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$346
(United Airlines)
Provider with most accurate pricing for Lambert-St Louis-Amarillo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Amarillo flights.
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From Lambert-St Louis to Amarillo
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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 December 12, 2025.
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

Tue 1/20

4:35 pm-9:59 pm

1 stop5h 24m

Amarillo

Wed 1/21

7:30 am-1:16 pm

1 stop5h 46m

$346

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sun 1/25

3:37 pm-10:53 pm

1 stop7h 16m

Amarillo

Sun 2/1

12:40 pm-7:29 pm

1 stop6h 49m

$369

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sun 1/25

8:05 am-4:56 pm

2 stops8h 51m

Amarillo

Sun 2/1

12:06 pm-10:58 pm

2 stops10h 52m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Amarillo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Amarillo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Amarillo

What is the cheapest time of day to fly from STL to AMA?

Find hourly flight availability from St. Louis to Amarillo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from St. Louis to Amarillo in the morning. Doing so could potentially save you 54% on the flight price compared to flying in the evening, which is usually more expensive.

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.

  • How long is the flight from St. Louis to Amarillo?

    United Airlines can get you from St. Louis to Amarillo in just under 5h 24m. Your travel time can differ by up to . St. Louis and Amarillo are separated by a distance of 670 mi.

  • Can I find deals for flights from St. Louis to Amarillo that include hotel bookings?

    Yes. In addition to deals on St. Louis to Amarillo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Amarillo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Amarillo.

  • Can I find deals for business class flights from St. Louis to Amarillo?

    Yes. Cheapflights offers flight deals from St. Louis to Amarillo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Amarillo?

Book flights to Amarillo if you plan to visit one of these locations
Dalhart
Dumas

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