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Cheap flights from St. Louis to Amarillo from $169

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 7/3. 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
1 adult, Economy, 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.
Southwest Logo
5:35 am - 1:35 pm
STL
-
AMA
8h 00m
1 stop
Southwest Logo
7:10 pm - 12:15 am
AMA
-
STL
5h 05m
1 stop
$362Southwest
Wed, Jul 8 - Sun, Jul 12
Southwest Logo
4:00 pm - 11:10 pm
STL
-
AMA
7h 10m
2 stops
Southwest Logo
7:10 pm - 12:15 am
AMA
-
STL
5h 05m
1 stop
$367Southwest
Wed, Jul 8 - Sun, Jul 12
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
Mon, Jun 22 - Tue, Jun 23
Southwest Logo
6:00 am - 12:40 pm
STL
-
AMA
6h 40m
1 stop
Southwest Logo
3:10 pm - 9:55 pm
AMA
-
STL
6h 45m
1 stop
$387Southwest
Fri, Jul 3 - Mon, Jul 6
Southwest Logo
3:20 pm - 11:10 pm
STL
-
AMA
7h 50m
2 stops
Southwest Logo
6:25 pm - 12:40 am
AMA
-
STL
6h 15m
1 stop
$392Southwest
Fri, Jul 3 - Mon, Jul 6
Southwest Logo
3:20 pm - 11:10 pm
STL
-
AMA
7h 50m
2 stops
Southwest Logo
5:30 am - 1:35 pm
AMA
-
STL
8h 05m
2 stops
$397Southwest
Fri, Jul 3 - Mon, Jul 6
Southwest Logo
6:00 am - 10:40 am
STL
-
AMA
4h 40m
1 stop
Southwest Logo
6:35 pm - 11:40 pm
AMA
-
STL
5h 05m
1 stop
$402Southwest
Sun, Jun 21 - Tue, Jun 23
Southwest Logo
5:25 am - 12:25 pm
STL
-
AMA
7h 00m
2 stops
Southwest Logo
11:20 am - 9:00 pm
AMA
-
STL
9h 40m
2 stops
$405Southwest
Wed, Jul 8 - Sun, Jul 12
Southwest Logo
3:20 pm - 11:10 pm
STL
-
AMA
7h 50m
2 stops
Southwest Logo
6:35 pm - 11:40 pm
AMA
-
STL
5h 05m
1 stop
$407Southwest
Mon, Jun 22 - Tue, Jun 23
Southwest Logo
4:25 pm - 11:10 pm
STL
-
AMA
6h 45m
2 stops
Southwest Logo
11:20 am - 9:00 pm
AMA
-
STL
9h 40m
2 stops
$418Southwest
Wed, Jul 8 - Sun, Jul 12

American Airlines flights from St. Louis to Amarillo

Our best American Airlines deals on St. Louis to Amarillo flight tickets
American Airlines
Jun 22
STL7:20 pmLambert-St Louis
4h 39m
1 stop
AMA11:59 pmAmarillo
Jun 23
AMA7:06 pmAmarillo
4h 53m
1 stop
STL11:59 pmLambert-St Louis
$372
American Airlines
Jul 3
STL9:08 amLambert-St Louis
9h 26m
2 stops
AMA6:34 pmAmarillo
Jul 6
AMA7:06 pmAmarillo
4h 52m
1 stop
STL11:58 pmLambert-St Louis
$420
American Airlines
Jul 3
STL6:55 amLambert-St Louis
8h 51m
2 stops
AMA3:46 pmAmarillo
Jul 6
AMA7:06 pmAmarillo
4h 52m
1 stop
STL11:58 pmLambert-St Louis
$442

Southwest flights from St. Louis to Amarillo

Our best Southwest deals on St. Louis to Amarillo flight tickets
Southwest
Jul 8
STL5:35 amLambert-St Louis
8h 00m
1 stop
AMA1:35 pmAmarillo
Jul 12
AMA7:10 pmAmarillo
5h 05m
1 stop
STL12:15 amLambert-St Louis
$362
Southwest
Jul 8
STL4:00 pmLambert-St Louis
7h 10m
2 stops
AMA11:10 pmAmarillo
Jul 12
AMA7:10 pmAmarillo
5h 05m
1 stop
STL12:15 amLambert-St Louis
$367
Southwest
Jul 3
STL6:00 amLambert-St Louis
6h 40m
1 stop
AMA12:40 pmAmarillo
Jul 6
AMA3:10 pmAmarillo
6h 45m
1 stop
STL9:55 pmLambert-St Louis
$387

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 June 4, 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

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Wed 7/8

5:35 am-1:35 pm

1 stop8h 00m

Amarillo

Sun 7/12

7:10 pm-12:15 am

1 stop5h 05m

$362

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Wed 7/8

4:00 pm-11:10 pm

2 stops7h 10m

Amarillo

Sun 7/12

7:10 pm-12:15 am

1 stop5h 05m

$367
Quickest round-trip

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Mon 6/22

7:20 pm-11:59 pm

1 stop4h 39m

Amarillo

Tue 6/23

7:06 pm-11:59 pm

1 stop4h 53m

$372

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 7/3

6:00 am-12:40 pm

1 stop6h 40m

Amarillo

Mon 7/6

3:10 pm-9:55 pm

1 stop6h 45m

$387

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 7/3

3:20 pm-11:10 pm

2 stops7h 50m

Amarillo

Mon 7/6

6:25 pm-12:40 am

1 stop6h 15m

$392

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Fri 7/3

3:20 pm-11:10 pm

2 stops7h 50m

Amarillo

Mon 7/6

5:30 am-1:35 pm

2 stops8h 05m

$397

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Sun 6/21

6:00 am-10:40 am

1 stop4h 40m

Amarillo

Tue 6/23

6:35 pm-11:40 pm

1 stop5h 05m

$402

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Wed 7/8

5:25 am-12:25 pm

2 stops7h 00m

Amarillo

Sun 7/12

11:20 am-9:00 pm

2 stops9h 40m

$405

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Mon 6/22

3:20 pm-11:10 pm

2 stops7h 50m

Amarillo

Tue 6/23

6:35 pm-11:40 pm

1 stop5h 05m

$407

St. LouisAmarillo

STL - AMA

STLAMA

Lambert-St Louis

Wed 7/8

4:25 pm-11:10 pm

2 stops6h 45m

Amarillo

Sun 7/12

11:20 am-9:00 pm

2 stops9h 40m

$418

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 45m

Direct flights

None
The fastest flight from St. Louis to Amarillo takes 3h 45m
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 45m.

  • 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 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.

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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