Cheap flights from St. Louis to North America from $64

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 12/7. 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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Cheap round-trip flights

Frontier Logo
7:52 pm - 9:20 pmSTL-DEN
2h 28mnonstop
Frontier Logo
6:00 am - 9:07 amDEN-STL
2h 07mnonstop
$81Frontier
Find Deal
Fri, Oct 24 - Fri, Oct 31
Frontier Logo
7:45 pm - 9:13 pmSTL-DEN
2h 28mnonstop
Frontier Logo
6:00 am - 9:07 amDEN-STL
2h 07mnonstop
$82Frontier
Find Deal
Fri, Nov 7 - Fri, Nov 14
Southwest Logo
6:40 pm - 10:00 pmSTL-RSW
2h 20mnonstop
Southwest Logo
7:25 am - 9:00 amRSW-STL
2h 35mnonstop
$137Southwest
Find Deal
Tue, Oct 21 - Thu, Oct 30
Southwest Logo
5:05 pm - 10:30 pmSTL-RSW
4h 25m1 stop
Southwest Logo
7:25 am - 9:00 amRSW-STL
2h 35mnonstop
$143Southwest
Find Deal
Tue, Oct 21 - Thu, Oct 30
American Airlines Logo
5:20 am - 9:15 amSTL-MIA
2h 55mnonstop
American Airlines Logo
9:30 pm - 11:46 pmMIA-STL
3h 16mnonstop
$179American Airlines
Find Deal
Tue, Feb 10 - Wed, Feb 18
American Airlines Logo
4:49 pm - 10:41 pmSTL-EWR
4h 52m1 stop
American Airlines Logo
5:25 pm - 11:06 pmEWR-STL
6h 41m1 stop
$179American Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
Delta Logo
5:15 pm - 12:29 amSTL-MIA
6h 14m1 stop
Delta Logo
8:05 am - 1:51 pmMIA-STL
6h 46m1 stop
$197Delta
Find Deal
Sat, Nov 8 - Sat, Nov 15
Delta Logo
6:00 am - 11:04 amSTL-MIA
4h 04m1 stop
Delta Logo
6:00 am - 10:26 amMIA-STL
5h 26m1 stop
$198Delta
Find Deal
Wed, Oct 15 - Tue, Oct 28
United Airlines Logo
5:35 pm - 11:15 pmSTL-SEA
7h 40m1 stop
United Airlines Logo
11:10 pm - 9:52 amSEA-STL
8h 42m1 stop
$217United Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
United Airlines Logo
6:30 am - 11:31 amSTL-SEA
7h 01m1 stop
United Airlines Logo
5:00 am - 3:44 pmSEA-STL
8h 44m2 stops
$222United Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25

Delta flights from St. Louis to North America

Our best Delta deals on St. Louis to North America flight tickets
Delta
Nov 8
STL5:15 pmLambert-St Louis
6h 14m
1 stop
MIA12:29 amMiami
Nov 15
MIA8:05 amMiami
6h 46m
1 stop
STL1:51 pmLambert-St Louis
Delta
Oct 15
STL6:00 amLambert-St Louis
4h 04m
1 stop
MIA11:04 amMiami
Oct 28
MIA6:00 amMiami
5h 26m
1 stop
STL10:26 amLambert-St Louis
Delta
Nov 1
STL3:59 pmLambert-St Louis
6h 57m
1 stop
EWR11:56 pmNewark
Nov 2
EWR5:00 amNewark
5h 31m
1 stop
STL9:31 amLambert-St Louis

American Airlines flights from St. Louis to North America

Our best American Airlines deals on St. Louis to North America flight tickets
American Airlines
Feb 10
STL5:20 amLambert-St Louis
2h 55m
MIA9:15 amMiami
Feb 18
MIA9:30 pmMiami
3h 16m
STL11:46 pmLambert-St Louis
American Airlines
Oct 21
STL8:30 amLambert-St Louis
6h 24m
1 stop
RSW3:54 pmFort Myers SW Florida Intl
Oct 28
RSW1:00 pmFort Myers SW Florida Intl
8h 20m
1 stop
STL8:20 pmLambert-St Louis
American Airlines
Oct 22
STL6:25 amLambert-St Louis
5h 10m
1 stop
EWR12:35 pmNewark
Oct 25
EWR6:59 amNewark
7h 36m
1 stop
STL1:35 pmLambert-St Louis

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 September 25, 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. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Fri 10/24

7:52 pm-9:20 pm

Nonstop2h 28m

Denver Intl

Fri 10/31

6:00 am-9:07 am

Nonstop2h 07m

$81

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Fri 11/7

7:45 pm-9:13 pm

Nonstop2h 28m

Denver Intl

Fri 11/14

6:00 am-9:07 am

Nonstop2h 07m

$82

St. LouisFort Myers

STL - RSW

STLRSW

Lambert-St Louis

Tue 10/21

6:40 pm-10:00 pm

Nonstop2h 20m

Fort Myers SW Florida Intl

Thu 10/30

7:25 am-9:00 am

Nonstop2h 35m

$137

St. LouisFort Myers

STL - RSW

STLRSW

Lambert-St Louis

Tue 10/21

5:05 pm-10:30 pm

1 stop4h 25m

Fort Myers SW Florida Intl

Thu 10/30

7:25 am-9:00 am

Nonstop2h 35m

$143

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Tue 2/10

5:20 am-9:15 am

Nonstop2h 55m

Miami

Wed 2/18

9:30 pm-11:46 pm

Nonstop3h 16m

$179

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Sat 12/6

4:49 pm-10:41 pm

1 stop4h 52m

Newark

Tue 12/9

5:25 pm-11:06 pm

1 stop6h 41m

$179

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Sat 11/8

5:15 pm-12:29 am

1 stop6h 14m

Miami

Sat 11/15

8:05 am-1:51 pm

1 stop6h 46m

$197

St. LouisMiami

STL - MIA

STLMIA

Lambert-St Louis

Wed 10/15

6:00 am-11:04 am

1 stop4h 04m

Miami

Tue 10/28

6:00 am-10:26 am

1 stop5h 26m

$198

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 10/17

5:35 pm-11:15 pm

1 stop7h 40m

Seattle/Tacoma Intl

Mon 10/20

11:10 pm-9:52 am

1 stop8h 42m

$217

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Wed 10/22

6:30 am-11:31 am

1 stop7h 01m

Seattle/Tacoma Intl

Sat 10/25

5:00 am-3:44 pm

2 stops8h 44m

$222

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 $261. If you are unable to visit North America during the month of April, then departing from St. Louis during the month August is also very affordable. Most momondo users find prices during this month for around $284.

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 Tuesday. Travelers who choose to depart for North America on a Tuesday will often find tickets for as low as $346. 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 $404.

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 $307. Try not to purchase tickets in the afternoon because they tend to be around $401. 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 Denver Intl 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 $323 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 $224 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

$82

Fastest flight time

2h 05m

Direct flights

Every day

Airports in North America

5 airports
The best one-way flight to North America from St. Louis in the past 72 hours is $82. The best round-trip flight deal from St. Louis to North America found on momondo in the last 72 hours is $78.
The fastest flight from St. Louis to North America takes 2h 05m
Direct flights go from St. Louis to North America every day.
There are 5 airports near North America: New York LaGuardia (LGA), Fort Myers SW Florida Intl (RSW), Orlando (MCO), Denver Intl (DEN), Houston Hobby (HOU)
  • 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 $50Free CancellationRating
5.8
3,163 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $104Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
DeltaPriceFrom $128Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $153Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
SouthwestPriceFrom $175Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $191Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Southern / MokulelePriceFrom $194Free CancellationRating
6.2
24 reviews
Search Southern / Mokulele flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
AeromexicoPriceFrom $487Free CancellationRating
7.4
1,693 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

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1 adult
Sat 10/25
Sat 11/1

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Popular cities in North America

Popular flights according to clicks in the last 7 days on momondo