Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Amarillo from $323

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Amarillo departing on 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Amarillo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:17 am - 9:40 amSTL-AMA
4h 23m1 stop
American Airlines Logo
7:00 am - 3:29 pmAMA-STL
8h 29m1 stop
$323American Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
Southwest Logo
6:40 am - 2:45 pmSTL-AMA
8h 05m2 stops
Southwest Logo
3:25 pm - 11:35 pmAMA-STL
8h 10m1 stop
$364Southwest
Find Deal
Fri, Nov 21 - Mon, Nov 24
American Airlines Logo
11:46 am - 6:18 pmSTL-AMA
6h 32m1 stop
American Airlines Logo
6:00 am - 11:00 amAMA-STL
5h 00m1 stop
$367American Airlines
Find Deal
Tue, Feb 24 - Wed, Feb 25
American Airlines Logo
6:00 am - 6:18 pmSTL-AMA
12h 18m2 stops
American Airlines Logo
10:20 am - 3:04 pmAMA-STL
4h 44m1 stop
$372American Airlines
Find Deal
Tue, Feb 24 - Wed, Feb 25
United Airlines Logo
11:25 am - 9:44 pmSTL-AMA
10h 19m2 stops
United Airlines Logo
12:04 pm - 10:59 pmAMA-STL
10h 55m2 stops
$377United Airlines
Find Deal
Tue, Feb 24 - Wed, Feb 25
United Airlines Logo
7:41 am - 4:56 pmSTL-AMA
9h 15m2 stops
United Airlines Logo
12:04 pm - 10:59 pmAMA-STL
10h 55m2 stops
$392United Airlines
Find Deal
Tue, Feb 24 - Wed, Feb 25
Southwest Logo
6:40 am - 2:45 pmSTL-AMA
8h 05m2 stops
Southwest Logo
2:20 pm - 7:20 pmAMA-STL
5h 00m2 stops
$414Southwest
Find Deal
Fri, Nov 21 - Mon, Nov 24
American Airlines Logo
5:58 pm - 10:32 pmSTL-AMA
4h 34m1 stop
American Airlines Logo
6:00 am - 10:39 amAMA-STL
4h 39m1 stop
$447American Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
United Airlines Logo
12:31 pm - 9:38 pmSTL-AMA
9h 07m2 stops
United Airlines Logo
3:14 pm - 10:22 pmAMA-STL
7h 08m1 stop
$522United Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
American Airlines Logo
5:17 am - 11:51 amSTL-AMA
6h 34m1 stop
American Airlines Logo
6:52 pm - 10:58 pmAMA-STL
4h 06m1 stop
$547American Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17

American Airlines flights from St. Louis to Amarillo

Our best American Airlines deals on St. Louis to Amarillo flight tickets
American Airlines
Nov 21
STL5:17 amLambert-St Louis
4h 23m
1 stop
AMA9:40 amAmarillo
Nov 24
AMA7:00 amAmarillo
8h 29m
1 stop
STL3:29 pmLambert-St Louis
$323
Find similar
American Airlines
Feb 24
STL11:46 amLambert-St Louis
6h 32m
1 stop
AMA6:18 pmAmarillo
Feb 25
AMA6:00 amAmarillo
5h 00m
1 stop
STL11:00 amLambert-St Louis
$367
Find similar
American Airlines
Feb 24
STL9:58 amLambert-St Louis
10h 29m
2 stops
AMA8:27 pmAmarillo
Feb 25
AMA4:35 pmAmarillo
6h 46m
1 stop
STL11:21 pmLambert-St Louis
$372
Find similar

Southwest flights from St. Louis to Amarillo

Our best Southwest deals on St. Louis to Amarillo flight tickets
Southwest
Nov 21
STL6:40 amLambert-St Louis
8h 05m
2 stops
AMA2:45 pmAmarillo
Nov 24
AMA3:25 pmAmarillo
8h 10m
1 stop
STL11:35 pmLambert-St Louis
$364
Find similar
Southwest
Nov 21
STL6:40 amLambert-St Louis
8h 05m
2 stops
AMA2:45 pmAmarillo
Nov 24
AMA2:20 pmAmarillo
5h 00m
2 stops
STL7:20 pmLambert-St Louis
$414
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 2, 2025.
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

Price

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 11/21

5:17 am-9:40 am

1 stop4h 23m

Amarillo

Mon 11/24

7:00 am-3:29 pm

1 stop8h 29m

$323

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 11/21

6:40 am-2:45 pm

2 stops8h 05m

Amarillo

Mon 11/24

3:25 pm-11:35 pm

1 stop8h 10m

$364

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Tue 2/24

11:46 am-6:18 pm

1 stop6h 32m

Amarillo

Wed 2/25

6:00 am-11:00 am

1 stop5h 00m

$367

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Tue 2/24

6:00 am-6:18 pm

2 stops12h 18m

Amarillo

Wed 2/25

10:20 am-3:04 pm

1 stop4h 44m

$372

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Tue 2/24

11:25 am-9:44 pm

2 stops10h 19m

Amarillo

Wed 2/25

12:04 pm-10:59 pm

2 stops10h 55m

$377

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Tue 2/24

7:41 am-4:56 pm

2 stops9h 15m

Amarillo

Wed 2/25

12:04 pm-10:59 pm

2 stops10h 55m

$392

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 11/21

6:40 am-2:45 pm

2 stops8h 05m

Amarillo

Mon 11/24

2:20 pm-7:20 pm

2 stops5h 00m

$414

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 11/14

5:58 pm-10:32 pm

1 stop4h 34m

Amarillo

Mon 11/17

6:00 am-10:39 am

1 stop4h 39m

$447

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 11/14

12:31 pm-9:38 pm

2 stops9h 07m

Amarillo

Mon 11/17

3:14 pm-10:22 pm

1 stop7h 08m

$522

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 11/14

5:17 am-11:51 am

1 stop6h 34m

Amarillo

Mon 11/17

6:52 pm-10:58 pm

1 stop4h 06m

$547

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Amarillo from

How to get the cheapest flight ticket from St. Louis to Amarillo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Amarillo?

The cheapest day to depart on your flight to Amarillo is on a Friday when prices can be found for as low as $306. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $408.

When to book flights from St. Louis to Amarillo

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Amarillo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Amarillo (STL to AMA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Amarillo

Direct flights

None
There are no direct flights from St. Louis to Amarillo. There are no popular flight routes from St. Louis to Amarillo.
Search flight deals

  • How far is Lambert-St Louis to Amarillo by plane?

    The distance between Lambert-St Louis and Amarillo is about 683.1 mi. In terms of flight time, this usually takes a little over 4h 23m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Amarillo Airport?

    Prices for flights from Lambert-St Louis Airport to Amarillo Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Amarillo Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Amarillo Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Amarillo Airport.

  • What documentation or ID do you need to fly to Amarillo Airport?

    The required travel and health documents for your Amarillo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Amarillo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to Amarillo?

Best airlines flying from St. Louis to Amarillo

Compare and see reviews for airlines that fly from St. Louis to Amarillo with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $280Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights

Traveling to a place near Amarillo?

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

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Amarillo?

It is quick and easy to find St. Louis to Amarillo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Amarillo that suits you.

Can I find flights from St. Louis to Amarillo with flexible booking policies on momondo?

All flight searches from St. Louis to Amarillo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Amarillo?

momondo provides multiple filters to help you find the best flight to Amarillo from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Amarillo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Amarillo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Amarillo and let you know when they change.

An easier way to manage your Amarillo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/2
Tue 12/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States