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Cheap flights from St. Louis to the United States from $36

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 the United States departing on 12/17. 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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Find the cheapest flights from St. Louis to the United States

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to the United States that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to the United States.

Cheap last minute flights

Planning a quick getaway from St. Louis to the United States? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to the United States, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to the United States

Find recent round-trip train or bus tickets from St. Louis to the United States.

All round-trip flight deals to the United States

The cheapest plane tickets to the United States found on KAYAK recently.
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$67Frontier
Find Deal
sáb., dic. 7 - sáb., dic. 14
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$68Frontier
Find Deal
mié., dic. 11 - mié., dic. 18
4:44 pm - 8:32 pmSTL-MIA
2h 48mnonstop
8:00 pm - 10:28 pmMIA-STL
3h 28mnonstop
$159American Airlines
Find Deal
dom., ene. 26 - mié., ene. 29
8:27 am - 10:05 amSTL-DEN
2h 38mnonstop
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$177United Airlines
Find Deal
mié., ene. 15 - dom., ene. 19
5:05 am - 7:07 amSTL-DFW
2h 02mnonstop
7:00 am - 8:54 amDFW-STL
1h 54mnonstop
$181American Airlines
Find Deal
mar., dic. 10 - mié., dic. 11
4:36 pm - 6:13 pmSTL-DEN
2h 37mnonstop
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$197United Airlines
Find Deal
dom., ene. 12 - jue., ene. 16
7:20 am - 8:55 amSTL-DEN
2h 35mnonstop
7:20 pm - 10:20 pmDEN-STL
2h 00mnonstop
$198Southwest
Find Deal
jue., ene. 9 - lun., ene. 13
7:40 am - 3:20 pmSTL-DEN
8h 40m1 stop
5:40 am - 1:18 pmDEN-STL
6h 38m1 stop
$216Delta
Find Deal
jue., ene. 9 - lun., ene. 13
6:35 am - 8:00 amSTL-DEN
2h 25mnonstop
6:10 am - 9:20 amDEN-STL
2h 10mnonstop
$228Southwest
Find Deal
jue., dic. 12 - dom., dic. 15
6:00 am - 11:44 amSTL-DEN
6h 44m1 stop
12:55 am - 9:22 amDEN-STL
7h 27m1 stop
$236Delta
Find Deal
sáb., dic. 7 - vie., dic. 13
9:46 pm - 11:26 pmSTL-DEN
2h 40mnonstop
$36Frontier
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mar., dic. 17
11:31 am - 1:26 pmSTL-DFW
1h 55mnonstop
$38Frontier
Find Deal
lun., dic. 9
4:36 pm - 6:13 pmSTL-DEN
2h 37mnonstop
$79United Airlines
Find Deal
mar., ene. 14
5:30 pm - 9:58 pmSTL-DEN
5h 28m1 stop
$88United Airlines
Find Deal
mar., ene. 7
7:40 am - 3:20 pmSTL-DEN
8h 40m1 stop
$98Delta
Find Deal
sáb., ene. 18
7:45 pm - 11:05 pmSTL-LGA
2h 20mnonstop
$100Southwest
Find Deal
mar., dic. 24
11:46 am - 4:46 pmSTL-DEN
6h 00m1 stop
$108Delta
Find Deal
mar., dic. 24
4:45 pm - 6:10 pmSTL-DEN
2h 25mnonstop
$109Southwest
Find Deal
mar., dic. 24
7:04 am - 9:14 amSTL-DFW
2h 10mnonstop
$116American Airlines
Find Deal
vie., feb. 21
7:30 am - 3:11 pmSTL-LGA
6h 41m1 stop
$129American Airlines
Find Deal
mar., dic. 24
5:38 pm - 7:06 pmSTL-DEN
2h 28mnonstop
9:03 pm - 12:06 amDEN-STL
2h 03mnonstop
$166Frontier
Find Deal
mar., nov. 26 - jue., nov. 28
10:17 pm - 3:59 amSTL-DEN
6h 42m1 stop
9:03 pm - 12:06 amDEN-STL
2h 03mnonstop
$171Frontier
Find Deal
mar., nov. 26 - jue., nov. 28
6:30 am - 1:03 pmSTL-JFK
5h 33m1 stop
2:55 pm - 7:30 pmJFK-STL
5h 35m1 stop
$338American Airlines
Find Deal
mar., nov. 26 - mar., dic. 3
9:30 am - 4:29 pmSTL-LGA
5h 59m1 stop
5:59 pm - 7:48 pmLGA-STL
2h 49mnonstop
$349American Airlines
Find Deal
mar., nov. 26 - mar., dic. 3
5:40 pm - 9:00 pmSTL-LGA
2h 20mnonstop
2:00 pm - 3:55 pmLGA-STL
2h 55mnonstop
$378Southwest
Find Deal
mar., nov. 26 - jue., nov. 28
9:30 am - 12:55 pmSTL-LGA
2h 25mnonstop
6:00 am - 9:36 amLGA-STL
4h 36m1 stop
$389Delta
Find Deal
mar., nov. 26 - vie., nov. 29
6:00 am - 2:40 pmSTL-LGA
7h 40m1 stop
6:00 am - 9:36 amLGA-STL
4h 36m1 stop
$398Delta
Find Deal
mar., nov. 26 - vie., nov. 29
5:40 pm - 9:00 pmSTL-LGA
2h 20mnonstop
7:20 am - 9:15 amLGA-STL
2h 55mnonstop
$420Southwest
Find Deal
mar., nov. 26 - mar., dic. 3
3:20 pm - 11:12 pmSTL-LGA
6h 52m1 stop
6:00 am - 10:01 amLGA-STL
5h 01m1 stop
$457United Airlines
Find Deal
lun., nov. 25 - vie., nov. 29
5:30 pm - 8:54 pmSTL-EWR
2h 24mnonstop
9:29 pm - 11:28 pmEWR-STL
2h 59mnonstop
$489United Airlines
Find Deal
sáb., nov. 23 - vie., nov. 29
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$67Frontier
Find Deal
sáb., dic. 7 - sáb., dic. 14
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$68Frontier
Find Deal
mié., dic. 11 - mié., dic. 18
5:10 am - 9:03 amSTL-MIA
2h 53mnonstop
8:00 pm - 10:28 pmMIA-STL
3h 28mnonstop
$159American Airlines
Find Deal
lun., ene. 13 - vie., ene. 17
8:27 am - 10:05 amSTL-DEN
2h 38mnonstop
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$177United Airlines
Find Deal
mié., ene. 15 - dom., ene. 19
7:08 am - 9:14 amSTL-DFW
2h 06mnonstop
5:49 pm - 7:29 pmDFW-STL
1h 40mnonstop
$181American Airlines
Find Deal
jue., dic. 5 - lun., dic. 9
4:36 pm - 6:13 pmSTL-DEN
2h 37mnonstop
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$197United Airlines
Find Deal
dom., ene. 12 - jue., ene. 16
7:20 am - 8:55 amSTL-DEN
2h 35mnonstop
7:20 pm - 10:20 pmDEN-STL
2h 00mnonstop
$198Southwest
Find Deal
jue., ene. 9 - lun., ene. 13
9:15 am - 1:00 pmSTL-MIA
2h 45mnonstop
5:15 pm - 7:25 pmMIA-STL
3h 10mnonstop
$200Southwest
Find Deal
mié., ene. 8 - vie., ene. 10
10:20 am - 1:43 pmSTL-LGA
2h 23mnonstop
3:55 pm - 6:01 pmLGA-STL
3h 06mnonstop
$259Delta
Find Deal
mié., ene. 8 - sáb., ene. 18
4:35 pm - 8:02 pmSTL-LGA
2h 27mnonstop
6:55 am - 8:58 amLGA-STL
3h 03mnonstop
$272Delta
Find Deal
sáb., ene. 4 - lun., ene. 6

American Airlines flights from St. Louis to United States

Our best American Airlines deals on St. Louis to United States flight tickets
American Airlines
Jan 26
STL4:44 pmLambert-St Louis
2h 48m
MIA8:32 pmMiami
Jan 29
MIA8:00 pmMiami
3h 28m
STL10:28 pmLambert-St Louis
American Airlines
Dec 10
STL5:05 amLambert-St Louis
2h 02m
DFW7:07 amDallas/Fort Worth
Dec 11
DFW7:00 amDallas/Fort Worth
1h 54m
STL8:54 amLambert-St Louis
American Airlines
Dec 12
STL9:39 amLambert-St Louis
1h 59m
DFW11:38 amDallas/Fort Worth
Dec 16
DFW5:00 amDallas/Fort Worth
4h 46m
1 stop
STL9:46 amLambert-St Louis

Frontier flights from St. Louis to United States

Our best Frontier deals on St. Louis to United States flight tickets
Frontier
Dec 7
STL6:46 pmLambert-St Louis
2h 36m
DEN8:22 pmDenver Intl
Dec 14
DEN5:05 amDenver Intl
2h 08m
STL8:13 amLambert-St Louis
Frontier
Dec 11
STL6:46 pmLambert-St Louis
2h 36m
DEN8:22 pmDenver Intl
Dec 18
DEN5:05 amDenver Intl
2h 08m
STL8:13 amLambert-St Louis
Frontier
Jan 7
STL5:05 pmLambert-St Louis
2h 33m
MCO8:38 pmOrlando
Jan 10
MCO9:44 pmOrlando
2h 43m
STL11:27 pmLambert-St Louis

See travel insights to the United States from

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

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 United States?

According to our data, Tuesday is the cheapest day to fly to United States from St. Louis. The lowest ticket price found for a Tuesday departure recently was $312. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $353. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

Fly from Lambert-St Louis to Dallas/Fort Worth for the best Lambert-St Louis - United States flight prices

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

There are 4 cabin classes available to choose from on Lambert-St Louis to United States 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 St. Louis to United States flights?

You could potentially save up to 60% on your flight if you consider stops on a St. Louis to United States flight.

Cheap St. Louis to United States flight deals and tips

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

Best Price Found

$36

Fastest flight time

1h 54m

Direct flights

Every day

Airports in United States

7 airports
The best one-way flight to United States from St. Louis in the past 72 hours is $36. The best round-trip flight deal from St. Louis to United States found on momondo in the last 72 hours is $67.
The fastest flight from St. Louis to United States takes 1h 54m
Direct flights go from St. Louis to United States every day.
There are 7 airports near United States: Phoenix Sky Harbor Intl (PHX), Dallas/Fort Worth (DFW), Orlando (MCO), Denver Intl (DEN), New York John F Kennedy Intl (JFK), Las Vegas Harry Reid Intl (LAS), Houston Hobby (HOU)

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

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

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

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

    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 United States.

  • What documentation or ID do you need to fly to United States?

    The required travel and health documents for your United States 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 United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from St. Louis to United States?


Best airlines flying from St. Louis to United States

Compare and see reviews for airlines that fly from St. Louis to United States with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $46Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $74Free CancellationRating
6.3
8,169 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $166Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Southern / MokulelePriceFrom $189Free CancellationRating
6.8
29 reviews
Search Southern / Mokulele flights
DeltaPriceFrom $193Free CancellationRating
8.0
8,755 reviews
Search Delta flights
SouthwestPriceFrom $201Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
United AirlinesPriceFrom $201Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $220Free CancellationRating
8.0
9,464 reviews
Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to United States from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United States quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for St. Louis to United States flights to just show those with flexible booking policies.

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

Once you have performed a search for St. Louis to United States flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to United States from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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