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Cheap flights from the United States to St. Louis from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to St. Louis departing on 5/6. 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
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Tue 4/30

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Easily compare round-trip flights from United States to St. Louis

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from United States to St. Louis by changing tabs
Frontier
Jun 19
DFW11:12 amDallas/Fort Worth
1h 46m
STL12:58 pmLambert-St Louis
Jun 24
STL1:48 pmLambert-St Louis
1h 52m
DFW3:40 pmDallas/Fort Worth
Spirit Airlines
May 21
LAX10:43 pmLos Angeles
10h 03m
1 stop
STL10:46 amLambert-St Louis
Jun 5
STL11:36 amLambert-St Louis
14h 13m
1 stop
LAX11:49 pmLos Angeles
Multiple Airlines
May 8
LAX9:30 pmLos Angeles
10h 48m
1 stop
STL10:18 amLambert-St Louis
May 22
STL11:36 amLambert-St Louis
12h 16m
1 stop
LAX9:52 pmLos Angeles
Delta
May 14
IAD6:00 amWashington, D.C. Dulles Intl
4h 05m
1 stop
STL9:05 amLambert-St Louis
May 15
STL3:27 pmLambert-St Louis
4h 06m
1 stop
IAD8:33 pmWashington, D.C. Dulles Intl
American Airlines
Jun 5
DFW7:00 amDallas/Fort Worth
1h 54m
STL8:54 amLambert-St Louis
Jun 20
STL5:27 amLambert-St Louis
1h 53m
DFW7:20 amDallas/Fort Worth
Spirit Airlines
May 21
LAX10:43 pmLos Angeles
10h 03m
1 stop
STL10:46 amLambert-St Louis
Jun 5
STL11:36 amLambert-St Louis
14h 13m
1 stop
LAX11:49 pmLos Angeles

Find the cheapest one-way flights from United States to St. Louis

If you're looking for one-way flights from United States to St. Louis, view some of our deals below provided by American Airlines, Delta and Frontier
Frontier
May 6
DFW1:56 pmDallas/Fort Worth
7h 07m
1 stop
STL9:03 pmLambert-St Louis
Spirit Airlines
May 17
ATL9:43 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
STL10:28 amLambert-St Louis
American Airlines
May 15
DCA2:19 pmWashington, D.C. Reagan-National
2h 16m
STL3:35 pmLambert-St Louis

Search last-minute flights to St. Louis from United States

Find and compare round-trip flight prices for your last-minute flight from United States to St. Louis
Frontier
May 1
DCA12:50 pmWashington, D.C. Reagan-National
22h 48m
1 stop
STL10:38 amLambert-St Louis
May 3
STL5:35 pmLambert-St Louis
27h 24m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Multiple Airlines
Apr 23
DFW6:56 amDallas/Fort Worth
27h 47m
1 stop
STL10:43 amLambert-St Louis
Apr 24
STL7:51 pmLambert-St Louis
8h 54m
1 stop
DFW4:45 amDallas/Fort Worth
Spirit Airlines
Apr 26
DFW9:43 pmDallas/Fort Worth
12h 57m
2 stops
STL10:40 amLambert-St Louis
Apr 29
STL5:02 pmLambert-St Louis
18h 09m
1 stop
DFW11:11 amDallas/Fort Worth
American Airlines
Apr 24
BOS7:00 amBoston Logan Intl
3h 24m
STL9:24 amLambert-St Louis
Apr 24
STL12:20 pmLambert-St Louis
8h 56m
1 stop
BOS10:16 pmBoston Logan Intl
Delta
Apr 23
SEA12:35 amSeattle/Tacoma Intl
8h 16m
1 stop
STL10:51 amLambert-St Louis
Apr 30
STL5:30 pmLambert-St Louis
7h 08m
1 stop
SEA10:38 pmSeattle/Tacoma Intl
Frontier
Apr 25
DCA6:59 pmWashington, D.C. Reagan-National
15h 48m
1 stop
STL9:47 amLambert-St Louis
Apr 30
STL4:50 pmLambert-St Louis
18h 10m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National

Best airlines flying from United States to St. Louis

Compare and see reviews for airlines that fly from United States to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $81Free CancellationRating
6.4
8,789 reviews
Search Spirit Airlines flights
FrontierPriceFrom $98Free CancellationRating
6.3
4,168 reviews
Search Frontier flights
United AirlinesPriceFrom $159Free CancellationRating
7.4
11,341 reviews
Search United Airlines flights
JetBluePriceFrom $173Free CancellationRating
7.6
4,678 reviews
Search JetBlue flights
Southern / MokulelePriceFrom $185Free CancellationRating
8.3
24 reviews
Search Southern / Mokulele flights
DeltaPriceFrom $190Free CancellationRating
8.0
11,104 reviews
Search Delta flights
American AirlinesPriceFrom $215Free CancellationRating
7.3
14,963 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $286Free CancellationRating
8.1
9,106 reviews
Search Alaska Airlines flights

Frontier flights from United States to St. Louis

Our best Frontier deals on United States to St. Louis flight tickets
Frontier
Jun 19
DFW11:12 amDallas/Fort Worth
1h 46m
STL12:58 pmLambert-St Louis
Jun 24
STL1:48 pmLambert-St Louis
1h 52m
DFW3:40 pmDallas/Fort Worth
Frontier
May 14
ATL9:42 pmAtlanta Hartsfield-Jackson
20h 13m
1 stop
STL4:55 pmLambert-St Louis
May 21
STL7:44 pmLambert-St Louis
13h 02m
1 stop
ATL9:46 amAtlanta Hartsfield-Jackson
Frontier
May 15
ATL2:00 pmAtlanta Hartsfield-Jackson
18h 08m
1 stop
STL7:08 amLambert-St Louis
May 20
STL9:26 pmLambert-St Louis
11h 20m
1 stop
ATL9:46 amAtlanta Hartsfield-Jackson

Delta flights from United States to St. Louis

Our best Delta deals on United States to St. Louis flight tickets
Delta
May 14
IAD6:00 amWashington, D.C. Dulles Intl
4h 05m
1 stop
STL9:05 amLambert-St Louis
May 15
STL3:27 pmLambert-St Louis
4h 06m
1 stop
IAD8:33 pmWashington, D.C. Dulles Intl
Delta
May 8
IAD6:00 amWashington, D.C. Dulles Intl
4h 05m
1 stop
STL9:05 amLambert-St Louis
May 15
STL3:27 pmLambert-St Louis
4h 06m
1 stop
IAD8:33 pmWashington, D.C. Dulles Intl
Delta
Jun 5
IAD6:00 amWashington, D.C. Dulles Intl
4h 19m
1 stop
STL9:19 amLambert-St Louis
Jun 10
STL5:25 pmLambert-St Louis
5h 34m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl

How to get the cheapest flight ticket from United States to St. Louis

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 to St. Louis from United States?

Frontier. American Airlines, Delta, and Frontier are the most popular carriers operating from United States to St. Louis

What is the cheapest United States to St. Louis flight route?

Orlando - Lambert-St Louis. Fly from Orlando to Lambert-St Louis for the best United States - St. Louis flight prices

What cabin class options are available on United States to St. Louis flights?

There are 3 cabin classes available to choose from on United States to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to St. Louis flights?

No. A direct flight is the cheapest option for a flight between United States to St. Louis.

Cheap United States to St. Louis flight deals and tips

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

Best Price Found

$49

Fastest flight time

1h 37m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from United States in the past 72 hours is $49. The best round-trip flight deal from United States to St. Louis found on momondo in the last 72 hours is $84.
The fastest flight from United States to St. Louis takes 1h 37m
Direct flights go from United States to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    Prices for flights from United States to Lambert-St Louis Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from United States to Lambert-St Louis 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 United States to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to St. Louis for you.

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

Yes. momondo enables you to select and highlight flights to St. Louis from United States with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to St. Louis.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from United States and alert you when they change.


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1 adult
From?
To?
Tue 4/23
Tue 4/30
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