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Cheap flights from St. Louis to the United States from $35

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 5/14. 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
From?
To?
mar. 4/30
mar. 5/7

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

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 St. Louis to United States by changing tabs
Spirit Airlines
May 8
STL11:36 amLambert-St Louis
3h 32m
LAS1:08 pmLas Vegas Harry Reid Intl
May 15
LAS5:30 amLas Vegas Harry Reid Intl
3h 16m
STL10:46 amLambert-St Louis
Frontier
May 21
STL10:44 pmLambert-St Louis
2h 36m
DEN12:20 amDenver Intl
May 22
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Multiple Airlines
May 22
STL11:36 amLambert-St Louis
3h 32m
LAS1:08 pmLas Vegas Harry Reid Intl
May 29
LAS5:01 amLas Vegas Harry Reid Intl
3h 12m
STL10:13 amLambert-St Louis
CitizenPlane
May 5
STL7:51 pmLambert-St Louis
3h 43m
LAS9:34 pmLas Vegas Harry Reid Intl
May 13
LAS5:10 amLas Vegas Harry Reid Intl
3h 08m
STL10:18 amLambert-St Louis
Frontier
Jul 10
STL2:12 pmLambert-St Louis
2h 16m
DFW4:28 pmDallas/Fort Worth
Jul 17
DFW11:12 amDallas/Fort Worth
2h 10m
STL1:22 pmLambert-St Louis
Multiple Airlines
May 8
STL11:36 amLambert-St Louis
3h 32m
LAS1:08 pmLas Vegas Harry Reid Intl
May 9
LAS5:10 amLas Vegas Harry Reid Intl
3h 08m
STL10:18 amLambert-St Louis

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

If you're looking for one-way flights from St. Louis to United States, view some of our deals below provided by Delta, Frontier and Spirit Airlines
Frontier
May 14
STL4:50 pmLambert-St Louis
2h 30m
DEN6:20 pmDenver Intl
Spirit Airlines
May 7
STL10:34 amLambert-St Louis
9h 36m
1 stop
EWR9:10 pmNewark
Frontier
Jun 24
STL1:48 pmLambert-St Louis
1h 52m
DFW3:40 pmDallas/Fort Worth

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

Find and compare round-trip flight prices for your last-minute flight from St. Louis to United States
Frontier
May 5
STL10:59 pmLambert-St Louis
3h 52m
LAS12:51 amLas Vegas Harry Reid Intl
May 7
LAS4:42 pmLas Vegas Harry Reid Intl
3h 17m
STL9:59 pmLambert-St Louis
Multiple Airlines
May 4
STL12:39 pmLambert-St Louis
7h 24m
1 stop
LAS6:03 pmLas Vegas Harry Reid Intl
May 15
LAS5:30 amLas Vegas Harry Reid Intl
3h 16m
STL10:46 amLambert-St Louis
CitizenPlane
May 5
STL7:51 pmLambert-St Louis
3h 43m
LAS9:34 pmLas Vegas Harry Reid Intl
May 13
LAS5:10 amLas Vegas Harry Reid Intl
3h 08m
STL10:18 amLambert-St Louis
Spirit Airlines
May 8
STL11:36 amLambert-St Louis
23h 26m
1 stop
DFW11:02 amDallas/Fort Worth
May 12
DFW2:06 pmDallas/Fort Worth
25h 08m
1 stop
STL3:14 pmLambert-St Louis
Frontier
May 1
STL7:51 pmLambert-St Louis
3h 43m
LAS9:34 pmLas Vegas Harry Reid Intl
May 14
LAS9:42 pmLas Vegas Harry Reid Intl
10h 05m
1 stop
STL9:47 amLambert-St Louis
Frontier
May 5
STL10:59 pmLambert-St Louis
3h 52m
LAS12:51 amLas Vegas Harry Reid Intl
May 7
LAS6:00 amLas Vegas Harry Reid Intl
7h 50m
1 stop
STL3:50 pmLambert-St Louis

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
Spirit AirlinesPriceFrom $70Free CancellationRating
6.4
8,756 reviews
Search Spirit Airlines flights
FrontierPriceFrom $94Free CancellationRating
6.3
4,135 reviews
Search Frontier flights
DeltaPriceFrom $149Free CancellationRating
8.0
10,975 reviews
Search Delta flights
JetBluePriceFrom $183Free CancellationRating
7.6
4,618 reviews
Search JetBlue flights
Southern / MokulelePriceFrom $185Free CancellationRating
8.3
24 reviews
Search Southern / Mokulele flights
United AirlinesPriceFrom $188Free CancellationRating
7.4
11,234 reviews
Search United Airlines flights
American AirlinesPriceFrom $209Free CancellationRating
7.3
14,898 reviews
Search American Airlines flights
Sun Country AirPriceFrom $211Free CancellationRating
7.2
659 reviews
Search Sun Country Air flights
Alaska AirlinesPriceFrom $256Free CancellationRating
8.0
9,114 reviews
Search Alaska Airlines flights

Frontier flights from St. Louis to United States

Our best Frontier deals on St. Louis to United States flight tickets
Frontier
May 21
STL10:44 pmLambert-St Louis
2h 36m
DEN12:20 amDenver Intl
May 22
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Frontier
Jul 10
STL2:12 pmLambert-St Louis
2h 16m
DFW4:28 pmDallas/Fort Worth
Jul 17
DFW11:12 amDallas/Fort Worth
2h 10m
STL1:22 pmLambert-St Louis
Frontier
May 11
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
May 14
DEN12:45 pmDenver Intl
2h 05m
STL3:50 pmLambert-St Louis

Delta flights from St. Louis to United States

Our best Delta deals on St. Louis to United States flight tickets
Delta
Jun 4
STL5:30 pmLambert-St Louis
6h 44m
1 stop
DEN11:14 pmDenver Intl
Jun 11
DEN5:45 amDenver Intl
8h 12m
1 stop
STL2:57 pmLambert-St Louis
Delta
Jun 12
STL2:30 pmLambert-St Louis
5h 23m
1 stop
DEN6:53 pmDenver Intl
Jun 19
DEN6:36 pmDenver Intl
5h 04m
1 stop
STL12:40 amLambert-St Louis
Delta
Jun 4
STL10:10 amLambert-St Louis
5h 44m
1 stop
DEN2:54 pmDenver Intl
Jun 7
DEN12:55 amDenver Intl
7h 15m
1 stop
STL9:10 amLambert-St Louis

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 airline that flies to United States from St. Louis?

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

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

Lambert-St Louis - Las Vegas Harry Reid Intl. Fly from Lambert-St Louis to Las Vegas Harry Reid Intl for the best St. Louis - United States flight prices

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

There are 4 cabin classes available to choose from on 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?

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

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

$35

Fastest flight time

1h 32m

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 $35. The best round-trip flight deal from St. Louis to United States found on momondo in the last 72 hours is $43.
The fastest flight from St. Louis to United States takes 1h 32m
Direct flights go from St. Louis to United States every day.
There are 7 airports near United States: Newark (EWR), Dallas/Fort Worth (DFW), Miami (MIA), New York LaGuardia (LGA), Atlanta Hartsfield-Jackson (ATL), Denver Intl (DEN), Las Vegas Harry Reid Intl (LAS)

  • 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.


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.


An easier way to manage your United States trip

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1 adult
From?
To?
mar. 4/30
mar. 5/7
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