How many flights depart from North America to St. Louis on average per day?

As of January 2026, there are 85 flights per day flying from North America to St. Louis. The most common time of day flights depart is 8:00PM, with 37% of flights taking off in the evening.

What airlines fly to St. Louis?

Southwest, Frontier and United Airlines are the top three most popular airlines that fly to St. Louis from North America according to our data. Southwest is the first choice among our users, with 31% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 8 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How many flights depart from North America to St. Louis on average per week?

As of January 2026, there are 599 flights per week flying from North America to St. Louis. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

What is the cheapest airline that flies from North America to Lambert-St Louis?

Frontier, United Airlines, and Delta are the most popular carriers operating from North America to Lambert-St Louis

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

Prices for flights from North America to Lambert-St Louis Airport refresh daily.

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

As of January 2026, there are 8 operators available to choose from for flights from North America to Lambert-St Louis Airport.

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

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 North America to Lambert-St Louis Airport.

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

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$33 Cheap Flights from North America to St. Louis in 2026

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Find the cheapest flights from North America to St. Louis

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 6:51 am

ATL

STL

1h 51mnonstop

8:22 pm - 11:06 pm

STL

ATL

1h 44mnonstop

$67Frontier

Wed, Jan 21 - Wed, Jan 28

6:00 am - 6:51 am

ATL

STL

1h 51mnonstop

8:17 pm - 10:57 pm

STL

ATL

1h 40mnonstop

$68Frontier

Wed, Feb 4 - Wed, Feb 11

9:19 am - 11:03 am

DFW

STL

1h 44mnonstop

9:25 am - 11:32 am

STL

DFW

2h 07mnonstop

$201American Airlines

Sat, Jan 31 - Tue, Feb 3

11:30 am - 6:13 pm

DFW

STL

6h 43m1 stop

12:03 pm - 2:07 pm

STL

DFW

2h 04mnonstop

$211American Airlines

Sat, Jan 31 - Tue, Feb 3

5:40 am - 7:35 am

HOU

STL

1h 55mnonstop

6:00 am - 8:20 am

STL

HOU

2h 20mnonstop

$251Southwest

Thu, Jan 29 - Mon, Feb 2

7:00 am - 12:54 pm

IAD

STL

6h 54m1 stop

5:30 pm - 12:09 am

STL

IAD

5h 39m1 stop

$254Delta

Wed, May 13 - Mon, May 25

8:20 am - 12:29 pm

IAD

STL

5h 09m1 stop

9:55 am - 4:05 pm

STL

IAD

5h 10m1 stop

$255United Airlines

Sat, Jan 31 - Sat, Feb 28

12:55 pm - 5:10 pm

HOU

STL

4h 15m1 stop

7:20 am - 9:40 am

STL

HOU

2h 20mnonstop

$257Southwest

Tue, Feb 10 - Thu, Feb 12

6:45 pm - 8:23 pm

IAD

STL

2h 38mnonstop

8:30 am - 11:40 am

STL

IAD

2h 10mnonstop

$263United Airlines

Wed, Feb 18 - Sat, Feb 21

7:15 am - 11:02 am

IAD

STL

4h 47m1 stop

7:10 am - 2:45 pm

STL

IAD

6h 35m1 stop

$265Delta

Fri, Feb 27 - Mon, Mar 2

Frontier flights from North America to St. Louis

Our best Frontier deals on North America to St. Louis flight tickets

Frontier

Jan 21

ATL6:00 amAtlanta Hartsfield-Jackson

1h 51m

STL6:51 amLambert-St Louis

Jan 28

STL8:22 pmLambert-St Louis

1h 44m

ATL11:06 pmAtlanta Hartsfield-Jackson

$67

Frontier

Feb 4

ATL6:00 amAtlanta Hartsfield-Jackson

1h 51m

STL6:51 amLambert-St Louis

Feb 11

STL8:17 pmLambert-St Louis

1h 40m

ATL10:57 pmAtlanta Hartsfield-Jackson

$68

Frontier

Feb 4

ATL6:00 amAtlanta Hartsfield-Jackson

1h 51m

STL6:51 amLambert-St Louis

Feb 9

STL8:22 pmLambert-St Louis

1h 44m

ATL11:06 pmAtlanta Hartsfield-Jackson

$71

American Airlines flights from North America to St. Louis

Our best American Airlines deals on North America to St. Louis flight tickets

American Airlines

Jan 31

DFW9:19 amDallas/Fort Worth

1h 44m

STL11:03 amLambert-St Louis

Feb 3

STL9:25 amLambert-St Louis

2h 07m

DFW11:32 amDallas/Fort Worth

$201

American Airlines

Jan 31

DFW11:30 amDallas/Fort Worth

6h 43m

1 stop

STL6:13 pmLambert-St Louis

Feb 3

STL12:03 pmLambert-St Louis

2h 04m

DFW2:07 pmDallas/Fort Worth

$211

American Airlines

Feb 12

DFW7:00 pmDallas/Fort Worth

4h 48m

1 stop

STL11:48 pmLambert-St Louis

Feb 17

STL7:00 amLambert-St Louis

2h 12m

DFW9:12 amDallas/Fort Worth

$218

Fly from

Fly to

Route

Depart

Return

Price

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Wed 1/21

6:00 am-6:51 am

Nonstop1h 51m

Lambert-St Louis

Wed 1/28

8:22 pm-11:06 pm

Nonstop1h 44m

$67

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

Wed 2/4

6:00 am-6:51 am

Nonstop1h 51m

Lambert-St Louis

Wed 2/11

8:17 pm-10:57 pm

Nonstop1h 40m

$68

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 1/31

9:19 am-11:03 am

Nonstop1h 44m

Lambert-St Louis

Tue 2/3

9:25 am-11:32 am

Nonstop2h 07m

$201

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 1/31

11:30 am-6:13 pm

1 stop6h 43m

Lambert-St Louis

Tue 2/3

12:03 pm-2:07 pm

Nonstop2h 04m

$211

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Thu 1/29

5:40 am-7:35 am

Nonstop1h 55m

Lambert-St Louis

Mon 2/2

6:00 am-8:20 am

Nonstop2h 20m

$251

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Wed 5/13

7:00 am-12:54 pm

1 stop6h 54m

Lambert-St Louis

Mon 5/25

5:30 pm-12:09 am

1 stop5h 39m

$254

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Sat 1/31

8:20 am-12:29 pm

1 stop5h 09m

Lambert-St Louis

Sat 2/28

9:55 am-4:05 pm

1 stop5h 10m

$255

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 2/10

12:55 pm-5:10 pm

1 stop4h 15m

Lambert-St Louis

Thu 2/12

7:20 am-9:40 am

Nonstop2h 20m

$257

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Wed 2/18

6:45 pm-8:23 pm

Nonstop2h 38m

Lambert-St Louis

Sat 2/21

8:30 am-11:40 am

Nonstop2h 10m

$263

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Fri 2/27

7:15 am-11:02 am

1 stop4h 47m

Lambert-St Louis

Mon 3/2

7:10 am-2:45 pm

1 stop6h 35m

$265

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from North America 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

Prices

Airlines

Other information

What is the cheapest month to fly to St. Louis?

In general, March is the cheapest month to fly from North America to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. The month of April is another great option to travel to St. Louis, with average flight prices from North America averaging around $308.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $312. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $441. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from North America in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $341 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $368 per ticket.

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

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

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

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

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

Cheap North America to St. Louis flight deals and tips

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

Best Price Found	$87
Fastest flight time	1h 05m
Direct flights	Every day
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from North America in the past 72 hours is $87. The best round-trip flight deal from North America to St. Louis found on momondo in the last 72 hours is $61.

The fastest flight from North America to St. Louis takes 1h 05m

Direct flights go from North America to St. Louis every day.

There is 1 airport in St. Louis. From North America there are direct flights to Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from North America to Lambert-St Louis Airport?
Prices for flights from North America to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from North America to Lambert-St Louis Airport?
As of January 2026, there are 8 operators available to choose from for flights from North America to Lambert-St Louis Airport.
How old do you have to be to fly from North America to Lambert-St Louis Airport?
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 North America to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from North America to St. Louis?
Based on momondo bookings for flights between North America and St. Louis, the leading plane model is Boeing 737 MAX 8, making up 18.79% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 13.43%, Boeing 737-700 Passenger/BBJ1 (winglets) with 11.45%, and Embraer 175 with 8.19%.

Best airlines flying from North America to St. Louis

Compare and see reviews for airlines that fly from North America to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $55	Free Cancellation	Rating 5.7 3,061 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $71	Free Cancellation	Rating 6.3 8,289 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $133	Free Cancellation	Rating 7.2 11,097 reviews	Search American Airlines flights
United Airlines	PriceFrom $162	Free Cancellation	Rating 7.4 9,142 reviews	Search United Airlines flights
Delta	PriceFrom $176	Free Cancellation	Rating 7.9 8,032 reviews	Search Delta flights
Southwest	PriceFrom $177	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $257	Free Cancellation	Rating 8.0 11,672 reviews	Search Alaska Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

O'Fallon

Maryland Heights

Florissant

Fenton

Collinsville

St. Peters

Wentzville

Alton

Farmington

Clayton

Eureka

Festus

Edwardsville

Glencoe

Litchfield

Shrewsbury

Why use momondo?

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

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

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

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

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

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

Yes momondo offers price alerts on flights to St. Louis from North America. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis 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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Cheap flights from North America to St. Louis from $33

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North America to St. Louis 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.

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Big names and deals

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Filter for what you want

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Frontier flights from North America to St. Louis

Our best Frontier deals on North America to St. Louis flight tickets

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Our best American Airlines deals on North America to St. Louis flight tickets

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How to get the cheapest flight ticket from North America to St. Louis

What is the cheapest month to fly to St. Louis?

What is the cheapest day to depart on your flight to St. Louis?

What is the cheapest time of day to depart on your flight to St. Louis?

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

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

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

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

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

What is the cheapest airline that flies from North America to Lambert-St Louis?

Frontier, United Airlines, and Delta are the most popular carriers operating from North America to Lambert-St Louis

What airlines fly to St. Louis?

How many flights depart from North America to St. Louis on average per day?

As of January 2026, there are 85 flights per day flying from North America to St. Louis. The most common time of day flights depart is 8:00PM, with 37% of flights taking off in the evening.

How many flights depart from North America to St. Louis on average per week?

As of January 2026, there are 599 flights per week flying from North America to St. Louis. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

Cheap North America to St. Louis flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in St. Louis

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

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

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

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

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

Best airlines flying from North America to St. Louis

Compare and see reviews for airlines that fly from North America to St. Louis with momondo

Traveling to a place near St. Louis?

Why use momondo?

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

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

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

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

An easier way to manage your St. Louis 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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