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Cheap flights from St. Louis to North America from $29

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 North America departing on 1/21. 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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Find the cheapest flights from St. Louis to North America

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:49 pm - 7:18 pm
STL
-
MCO
2h 29mnonstop
Frontier Logo
8:38 pm - 10:27 pm
MCO
-
STL
2h 49mnonstop
$63Frontier
Wed, Feb 18 - Wed, Feb 25
Frontier Logo
12:36 pm - 4:04 pm
STL
-
MCO
2h 28mnonstop
Frontier Logo
10:16 pm - 11:59 pm
MCO
-
STL
2h 43mnonstop
$67Frontier
Sat, Feb 28 - Thu, Mar 5
Multiple Airlines Logo
8:17 pm - 8:05 am
STL
-
EWR
10h 48m1 stop
Multiple Airlines Logo
10:31 pm - 6:51 am
EWR
-
STL
9h 20m1 stop
$130Multiple Airlines
Sat, Feb 28 - Tue, Mar 3
Multiple Airlines Logo
8:22 pm - 7:53 am
STL
-
EWR
10h 31m1 stop
Multiple Airlines Logo
10:30 pm - 6:51 am
EWR
-
STL
9h 21m1 stop
$131Multiple Airlines
Wed, Jan 28 - Fri, Jan 30
American Airlines Logo
3:37 pm - 11:51 pm
STL
-
SEA
10h 14m1 stop
American Airlines Logo
2:29 pm - 11:59 pm
SEA
-
STL
7h 30m1 stop
$176American Airlines
Fri, Jan 30 - Mon, Feb 2
Delta Logo
6:12 pm - 12:01 am
STL
-
SEA
7h 49m1 stop
Delta Logo
1:30 pm - 12:21 am
SEA
-
STL
8h 51m1 stop
$177Delta
Wed, Mar 11 - Mon, Mar 16
American Airlines Logo
6:33 pm - 11:29 pm
STL
-
SEA
6h 56m1 stop
American Airlines Logo
7:00 am - 5:05 pm
SEA
-
STL
8h 05m1 stop
$184American Airlines
Thu, Feb 19 - Sat, Feb 21
Delta Logo
3:31 pm - 8:46 pm
STL
-
SEA
7h 15m1 stop
Delta Logo
5:30 am - 1:48 pm
SEA
-
STL
6h 18m1 stop
$198Delta
Tue, Jan 20 - Tue, Jan 27
Southwest Logo
5:45 pm - 9:05 pm
STL
-
LGA
2h 20mnonstop
Southwest Logo
7:20 am - 4:50 pm
LGA
-
STL
10h 30m2 stops
$271Southwest
Sat, Jan 17 - Sun, Jan 18
Southwest Logo
7:50 pm - 11:05 pm
STL
-
LGA
2h 15mnonstop
Southwest Logo
6:00 am - 12:55 pm
LGA
-
STL
7h 55m1 stop
$272Southwest
Fri, Jan 23 - Sat, Jan 24

Southwest flights from St. Louis to North America

Our best Southwest deals on St. Louis to North America flight tickets
Southwest
Feb 20
STL8:20 pmLambert-St Louis
2h 20m
MCO11:40 pmOrlando
Feb 23
MCO8:20 pmOrlando
2h 45m
STL10:05 pmLambert-St Louis
$137
Find similar
Southwest
Jan 21
STL12:25 pmLambert-St Louis
7h 25m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Jan 28
SEA5:15 amSeattle/Tacoma Intl
9h 55m
2 stops
STL5:10 pmLambert-St Louis
$212
Find similar
Southwest
Jan 24
STL10:25 amLambert-St Louis
4h 20m
LAX12:45 pmLos Angeles
Jan 31
LAX11:25 amLos Angeles
3h 35m
STL5:00 pmLambert-St Louis
$243
Find similar

American Airlines flights from St. Louis to North America

Our best American Airlines deals on St. Louis to North America flight tickets
American Airlines
Jan 30
STL3:37 pmLambert-St Louis
10h 14m
1 stop
SEA11:51 pmSeattle/Tacoma Intl
Feb 2
SEA2:29 pmSeattle/Tacoma Intl
7h 30m
1 stop
STL11:59 pmLambert-St Louis
$176
Find similar
American Airlines
Feb 19
STL6:33 pmLambert-St Louis
6h 56m
1 stop
SEA11:29 pmSeattle/Tacoma Intl
Feb 21
SEA7:00 amSeattle/Tacoma Intl
8h 05m
1 stop
STL5:05 pmLambert-St Louis
$184
Find similar
American Airlines
Feb 13
STL1:36 pmLambert-St Louis
9h 32m
1 stop
SEA9:08 pmSeattle/Tacoma Intl
Feb 16
SEA10:08 pmSeattle/Tacoma Intl
9h 35m
1 stop
STL9:43 amLambert-St Louis
$247
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to North America 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 December 23, 2025.
Use the filters below to find and compare flights from St. Louis to North America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Wed 2/18

3:49 pm-7:18 pm

Nonstop2h 29m

Orlando

Wed 2/25

8:38 pm-10:27 pm

Nonstop2h 49m

$63

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Sat 2/28

12:36 pm-4:04 pm

Nonstop2h 28m

Orlando

Thu 3/5

10:16 pm-11:59 pm

Nonstop2h 43m

$67

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Sat 2/28

8:17 pm-8:05 am

1 stop10h 48m

Newark

Tue 3/3

10:31 pm-6:51 am

1 stop9h 20m

$130

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Wed 1/28

8:22 pm-7:53 am

1 stop10h 31m

Newark

Fri 1/30

10:30 pm-6:51 am

1 stop9h 21m

$131

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 1/30

3:37 pm-11:51 pm

1 stop10h 14m

Seattle/Tacoma Intl

Mon 2/2

2:29 pm-11:59 pm

1 stop7h 30m

$176

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Wed 3/11

6:12 pm-12:01 am

1 stop7h 49m

Seattle/Tacoma Intl

Mon 3/16

1:30 pm-12:21 am

1 stop8h 51m

$177

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Thu 2/19

6:33 pm-11:29 pm

1 stop6h 56m

Seattle/Tacoma Intl

Sat 2/21

7:00 am-5:05 pm

1 stop8h 05m

$184

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Tue 1/20

3:31 pm-8:46 pm

1 stop7h 15m

Seattle/Tacoma Intl

Tue 1/27

5:30 am-1:48 pm

1 stop6h 18m

$198

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 1/17

5:45 pm-9:05 pm

Nonstop2h 20m

New York LaGuardia

Sun 1/18

7:20 am-4:50 pm

2 stops10h 30m

$271

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Fri 1/23

7:50 pm-11:05 pm

Nonstop2h 15m

New York LaGuardia

Sat 1/24

6:00 am-12:55 pm

1 stop7h 55m

$272

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to North America

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 month to fly to North America?

The month of April is, on average, the cheapest month to fly to North America from St. Louis, with most prices found around $260. If you are unable to visit North America during the month of April, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $281.

What is the cheapest day to depart on your flight to North America?

The cheapest day to depart from St. Louis to North America is on a Wednesday. Travelers who choose to depart for North America on a Wednesday will often find tickets for as low as $335. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to North America on Sunday is $424.

What is the cheapest time of day to depart on your flight to North America?

The cheapest time of day to fly to North America is at noon when flights can be purchased for as low as $308. Try not to purchase tickets in the afternoon because they tend to be around $396. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Lambert-St Louis to North America flight route?

Fly from Lambert-St Louis to Orlando for the best Lambert-St Louis - North America flight prices

How far in advance should I book a flight to North America?

You are more likely to see cheaper flights to North America from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to North America for around $320 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to North America from St. Louis for as low as $217 on momondo.

What cabin class options are available on Lambert-St Louis to North America flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to North America 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 North America flights?

No. A direct flight is the cheapest option for a flight between St. Louis to North America.

Cheap St. Louis to North America flight deals and tips

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

Best Price Found

$87

Fastest flight time

1h 05m

Direct flights

Every day

Airports in North America

5,162 airports
The best one-way flight to North America from St. Louis in the past 72 hours is $87. The best round-trip flight deal from St. Louis to North America found on momondo in the last 72 hours is $134.
The fastest flight from St. Louis to North America takes 1h 05m
Direct flights go from St. Louis to North America every day.
There are 5,162 airports in North America. From St. Louis there are direct flights to New York LaGuardia (LGA), Orlando (MCO), Denver Intl (DEN).
Search flight deals

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

    Prices for flights from Lambert-St Louis Airport to North America were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to North America.

  • What documentation or ID do you need to fly to North America?

    The necessary travel and health documents for your North America 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.

  • What is the most popular plane model from St. Louis to North America?

Best airlines flying from St. Louis to North America

Compare and see reviews for airlines that fly from St. Louis to North America with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $71Free CancellationRating
5.8
3,075 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $73Free CancellationRating
6.3
8,196 reviews
Search Spirit Airlines flights
DeltaPriceFrom $145Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $150Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
11,512 reviews
Search Alaska Airlines flights
AeromexicoPriceFrom $487Free CancellationRating
7.4
1,626 reviews
Search Aeromexico flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to North America?

It is quick and easy to find St. Louis to North America 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 North America that suits you.

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

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

How can momondo help me find flights from St. Louis to North America?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to North America from St. Louis.

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

Of course. momondo tracks the price of St. Louis to North America flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your North America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to North America

Popular cities in North America

Popular flights according to clicks in the last 7 days on momondo
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Flights to Las Vegasfrom $38
Flights to Washington, D.C.from $58
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Flights to Atlantafrom $47
Flights to Dallasfrom $51
Flights to Seattlefrom $55