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Cheap flights from St. Louis to Amarillo from $194

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Amarillo departing on 6/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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
5:25 am - 9:43 am
STL
-
AMA
4h 18m
1 stop
American Airlines Logo
7:06 pm - 11:59 pm
AMA
-
STL
4h 53m
1 stop
$364American Airlines
Sat, May 23 - Tue, May 26
American Airlines Logo
7:20 pm - 11:59 pm
STL
-
AMA
4h 39m
1 stop
American Airlines Logo
7:06 pm - 11:59 pm
AMA
-
STL
4h 53m
1 stop
$372American Airlines
Sat, May 23 - Tue, May 26
American Airlines Logo
1:45 pm - 9:26 pm
STL
-
AMA
7h 41m
2 stops
American Airlines Logo
7:06 pm - 11:59 pm
AMA
-
STL
4h 53m
1 stop
$373American Airlines
Sat, May 23 - Tue, May 26
American Airlines Logo
1:45 pm - 9:26 pm
STL
-
AMA
7h 41m
2 stops
American Airlines Logo
7:06 pm - 11:59 pm
AMA
-
STL
4h 53m
1 stop
$382American Airlines
Sat, May 23 - Tue, May 26
American Airlines Logo
7:20 pm - 11:59 pm
STL
-
AMA
4h 39m
1 stop
American Airlines Logo
7:06 pm - 11:59 pm
AMA
-
STL
4h 53m
1 stop
$393American Airlines
Sat, May 23 - Tue, May 26
United Airlines Logo
8:46 am - 4:32 pm
STL
-
AMA
7h 46m
1 stop
United Airlines Logo
3:15 pm - 10:30 pm
AMA
-
STL
7h 15m
1 stop
$397United Airlines
Tue, May 5 - Wed, May 6
American Airlines Logo
5:25 am - 9:43 am
STL
-
AMA
4h 18m
1 stop
American Airlines Logo
7:06 pm - 11:59 pm
AMA
-
STL
4h 53m
1 stop
$398American Airlines
Sat, May 23 - Tue, May 26
United Airlines Logo
11:15 am - 9:31 pm
STL
-
AMA
10h 16m
2 stops
United Airlines Logo
3:15 pm - 10:30 pm
AMA
-
STL
7h 15m
1 stop
$402United Airlines
Tue, May 5 - Wed, May 6
American Airlines Logo
1:45 pm - 9:26 pm
STL
-
AMA
7h 41m
2 stops
American Airlines Logo
7:06 pm - 11:59 pm
AMA
-
STL
4h 53m
1 stop
$404American Airlines
Sat, May 23 - Tue, May 26
American Airlines Logo
1:45 pm - 9:26 pm
STL
-
AMA
7h 41m
2 stops
American Airlines Logo
7:06 pm - 11:59 pm
AMA
-
STL
4h 53m
1 stop
$407American Airlines
Sat, May 23 - Tue, May 26

American Airlines flights from St. Louis to Amarillo

Our best American Airlines deals on St. Louis to Amarillo flight tickets
American Airlines
May 23
STL5:25 amLambert-St Louis
4h 18m
1 stop
AMA9:43 amAmarillo
May 26
AMA7:06 pmAmarillo
4h 53m
1 stop
STL11:59 pmLambert-St Louis
$364
American Airlines
May 23
STL7:20 pmLambert-St Louis
4h 39m
1 stop
AMA11:59 pmAmarillo
May 26
AMA7:06 pmAmarillo
4h 53m
1 stop
STL11:59 pmLambert-St Louis
$372
American Airlines
May 23
STL1:45 pmLambert-St Louis
7h 41m
2 stops
AMA9:26 pmAmarillo
May 26
AMA7:06 pmAmarillo
4h 53m
1 stop
STL11:59 pmLambert-St Louis
$373

United Airlines flights from St. Louis to Amarillo

Our best United Airlines deals on St. Louis to Amarillo flight tickets
United Airlines
May 5
STL8:46 amLambert-St Louis
7h 46m
1 stop
AMA4:32 pmAmarillo
May 6
AMA3:15 pmAmarillo
7h 15m
1 stop
STL10:30 pmLambert-St Louis
$397
United Airlines
May 5
STL11:15 amLambert-St Louis
10h 16m
2 stops
AMA9:31 pmAmarillo
May 6
AMA3:15 pmAmarillo
7h 15m
1 stop
STL10:30 pmLambert-St Louis
$402
United Airlines
May 5
STL6:30 amLambert-St Louis
10h 02m
2 stops
AMA4:32 pmAmarillo
May 6
AMA5:09 pmAmarillo
15h 30m
2 stops
STL8:39 amLambert-St Louis
$513

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 April 20, 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

Price

Cheapest round-trip
Quickest round-trip

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sat 5/23

5:25 am-9:43 am

1 stop4h 18m

Amarillo

Tue 5/26

7:06 pm-11:59 pm

1 stop4h 53m

$364

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sat 5/23

7:20 pm-11:59 pm

1 stop4h 39m

Amarillo

Tue 5/26

7:06 pm-11:59 pm

1 stop4h 53m

$372

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sat 5/23

1:45 pm-9:26 pm

2 stops7h 41m

Amarillo

Tue 5/26

7:06 pm-11:59 pm

1 stop4h 53m

$373

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sat 5/23

1:45 pm-9:26 pm

2 stops7h 41m

Amarillo

Tue 5/26

7:06 pm-11:59 pm

1 stop4h 53m

$382

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sat 5/23

7:20 pm-11:59 pm

1 stop4h 39m

Amarillo

Tue 5/26

7:06 pm-11:59 pm

1 stop4h 53m

$393

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Tue 5/5

8:46 am-4:32 pm

1 stop7h 46m

Amarillo

Wed 5/6

3:15 pm-10:30 pm

1 stop7h 15m

$397

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sat 5/23

5:25 am-9:43 am

1 stop4h 18m

Amarillo

Tue 5/26

7:06 pm-11:59 pm

1 stop4h 53m

$398

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Tue 5/5

11:15 am-9:31 pm

2 stops10h 16m

Amarillo

Wed 5/6

3:15 pm-10:30 pm

1 stop7h 15m

$402

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sat 5/23

1:45 pm-9:26 pm

2 stops7h 41m

Amarillo

Tue 5/26

7:06 pm-11:59 pm

1 stop4h 53m

$404

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sat 5/23

1:45 pm-9:26 pm

2 stops7h 41m

Amarillo

Tue 5/26

7:06 pm-11:59 pm

1 stop4h 53m

$407

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 airline that flies from Lambert-St Louis to Amarillo?

American Airlines and Southwest are the most popular carriers operating from Lambert-St Louis to Amarillo

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

Fastest flight time

3h 50m

Direct flights

None
The fastest flight from St. Louis to Amarillo takes 3h 50m
There are no direct flights from St. Louis to Amarillo. There are no popular flight routes from St. Louis to Amarillo.
Search flight deals

Frequently asked questions about flying from St. Louis to Amarillo

  • 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 3h 50m.

  • 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
7.1
11,628 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
Vega

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.

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