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Cheap flights from New York LaGuardia Airport to St. Louis from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to St. Louis departing on 4/26. 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 New York LaGuardia Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 10:27 pm
LGA
-
STL
16h 57m
1 stop
Multiple Airlines Logo
9:41 am - 8:00 pm
STL
-
LGA
9h 19m
1 stop
$265Multiple Airlines
Wed, Feb 11 - Sat, Feb 14
Southwest Logo
4:45 pm - 6:50 pm
LGA
-
STL
3h 05mnonstop
Southwest Logo
7:50 pm - 11:05 pm
STL
-
LGA
2h 15mnonstop
$266Southwest
Tue, Feb 24 - Tue, Mar 3
American Airlines Logo
7:40 pm - 9:36 pm
LGA
-
STL
2h 56mnonstop
American Airlines Logo
2:37 pm - 11:59 pm
STL
-
LGA
8h 22m
1 stop
$267American Airlines
Fri, Mar 13 - Tue, Mar 17
Multiple Airlines Logo
3:00 pm - 6:51 am
LGA
-
STL
16h 51m
2 stops
Multiple Airlines Logo
3:49 pm - 11:29 am
STL
-
LGA
18h 40m
1 stop
$268Multiple Airlines
Thu, Feb 12 - Tue, Feb 17
Southwest Logo
6:00 am - 11:15 am
LGA
-
STL
6h 15m
1 stop
Southwest Logo
7:40 pm - 10:55 pm
STL
-
LGA
2h 15mnonstop
$269Southwest
Wed, Mar 4 - Sat, Mar 7
Frontier Logo
12:30 pm - 7:22 am
LGA
-
STL
19h 52m
1 stop
Frontier Logo
4:51 pm - 3:30 pm
STL
-
LGA
21h 39m
1 stop
$270Frontier
Thu, Mar 19 - Mon, Mar 23
Frontier Logo
8:44 pm - 6:51 am
LGA
-
STL
11h 07m
1 stop
Frontier Logo
3:49 pm - 7:49 pm
STL
-
LGA
27h 00m
2 stops
$271Frontier
Thu, Feb 19 - Sun, Feb 22
Southwest Logo
4:45 pm - 6:50 pm
LGA
-
STL
3h 05mnonstop
Southwest Logo
12:00 pm - 3:30 pm
STL
-
LGA
2h 30mnonstop
$273Southwest
Tue, Feb 24 - Wed, Feb 25
Southwest Logo
6:30 am - 5:10 pm
LGA
-
STL
11h 40m
2 stops
Southwest Logo
7:50 pm - 11:05 pm
STL
-
LGA
2h 15mnonstop
$274Southwest
Tue, Mar 3 - Tue, Mar 3
American Airlines Logo
4:12 pm - 11:48 pm
LGA
-
STL
8h 36m
1 stop
American Airlines Logo
5:30 am - 11:07 am
STL
-
LGA
4h 37m
1 stop
$275American Airlines
Wed, May 6 - Wed, Jul 8

Southwest flights from New York LaGuardia Airport to St. Louis

Our best Southwest deals on New York LaGuardia Airport to St. Louis flight tickets
Southwest
Feb 24
LGA4:45 pmNew York LaGuardia
3h 05m
STL6:50 pmLambert-St Louis
Mar 3
STL7:50 pmLambert-St Louis
2h 15m
LGA11:05 pmNew York LaGuardia
$266
Southwest
Mar 4
LGA6:00 amNew York LaGuardia
6h 15m
1 stop
STL11:15 amLambert-St Louis
Mar 7
STL7:40 pmLambert-St Louis
2h 15m
LGA10:55 pmNew York LaGuardia
$269
Southwest
Feb 24
LGA4:45 pmNew York LaGuardia
3h 05m
STL6:50 pmLambert-St Louis
Feb 25
STL12:00 pmLambert-St Louis
2h 30m
LGA3:30 pmNew York LaGuardia
$273

American Airlines flights from New York LaGuardia Airport to St. Louis

Our best American Airlines deals on New York LaGuardia Airport to St. Louis flight tickets
American Airlines
Mar 13
LGA7:40 pmNew York LaGuardia
2h 56m
STL9:36 pmLambert-St Louis
Mar 17
STL2:37 pmLambert-St Louis
8h 22m
1 stop
LGA11:59 pmNew York LaGuardia
$267
American Airlines
May 6
LGA4:12 pmNew York LaGuardia
8h 36m
1 stop
STL11:48 pmLambert-St Louis
Jul 8
STL5:30 amLambert-St Louis
4h 37m
1 stop
LGA11:07 amNew York LaGuardia
$275
American Airlines
Mar 13
LGA10:45 amNew York LaGuardia
7h 34m
1 stop
STL5:19 pmLambert-St Louis
Mar 17
STL6:00 amLambert-St Louis
8h 04m
1 stop
LGA3:04 pmNew York LaGuardia
$277

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to St. Louis 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 January 29, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 2/11

6:30 am-10:27 pm

1 stop16h 57m

Lambert-St Louis

Sat 2/14

9:41 am-8:00 pm

1 stop9h 19m

$265

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 2/24

4:45 pm-6:50 pm

Nonstop3h 05m

Lambert-St Louis

Tue 3/3

7:50 pm-11:05 pm

Nonstop2h 15m

$266

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 3/13

7:40 pm-9:36 pm

Nonstop2h 56m

Lambert-St Louis

Tue 3/17

2:37 pm-11:59 pm

1 stop8h 22m

$267

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 2/12

3:00 pm-6:51 am

2 stops16h 51m

Lambert-St Louis

Tue 2/17

3:49 pm-11:29 am

1 stop18h 40m

$268

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 3/4

6:00 am-11:15 am

1 stop6h 15m

Lambert-St Louis

Sat 3/7

7:40 pm-10:55 pm

Nonstop2h 15m

$269

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 3/19

12:30 pm-7:22 am

1 stop19h 52m

Lambert-St Louis

Mon 3/23

4:51 pm-3:30 pm

1 stop21h 39m

$270

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 2/19

8:44 pm-6:51 am

1 stop11h 07m

Lambert-St Louis

Sun 2/22

3:49 pm-7:49 pm

2 stops27h 00m

$271

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 2/24

4:45 pm-6:50 pm

Nonstop3h 05m

Lambert-St Louis

Wed 2/25

12:00 pm-3:30 pm

Nonstop2h 30m

$273

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 3/3

6:30 am-5:10 pm

2 stops11h 40m

Lambert-St Louis

Tue 3/3

7:50 pm-11:05 pm

Nonstop2h 15m

$274

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 5/6

4:12 pm-11:48 pm

1 stop8h 36m

Lambert-St Louis

Wed 7/8

5:30 am-11:07 am

1 stop4h 37m

$275

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from New York LaGuardia Airport 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

What is the typical price of a round-trip flight between New York LaGuardia Airport and St. Louis?

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

In general, March is the cheapest month to fly from New York LaGuardia Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. The month of August is another great option to travel to St. Louis, with average flight prices from New York LaGuardia Airport averaging around $301.

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 $314. 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 New York LaGuardia Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $343 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $370 per ticket.

What is the cheapest New York LaGuardia to Lambert-St Louis flight route?

Fly from New York LaGuardia to Lambert-St Louis for the best New York LaGuardia - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $340 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from New York LaGuardia Airport for as low as $264 on momondo.

What cabin class options are available on New York LaGuardia to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on New York LaGuardia 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 New York LaGuardia Airport to St. Louis flights?

You could potentially save up to 2% on your flight if you consider stops on a New York LaGuardia Airport to St. Louis flight.

How have New York LaGuardia Airport to St. Louis flight prices changed over time?

As of January 2026, prices for New York LaGuardia Airport to St. Louis flights are approximately 100% more expensive when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to St. Louis (LGA to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to St. Louis

Best Price Found

$162

Fastest flight time

2h 45m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from New York LaGuardia Airport in the past 72 hours is $162. The best round-trip flight deal from New York LaGuardia Airport to St. Louis found on momondo in the last 72 hours is $298.
The fastest flight from New York LaGuardia Airport to St. Louis takes 2h 45m
Direct flights go from New York LaGuardia Airport to St. Louis every day.
There is 1 airport in St. Louis. From New York LaGuardia Airport there are direct flights to Lambert-St Louis (STL).
Search flight deals

  • How far is New York LaGuardia to Lambert-St Louis by plane?

    A flight from New York LaGuardia to Lambert-St Louis will travel around 878.5 mi. By plane, this route typically takes 2h 45m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Lambert-St Louis Airport?

    Prices for flights from New York LaGuardia Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from New York LaGuardia Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from New York LaGuardia Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New York LaGuardia Airport to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from New York LaGuardia Airport to St. Louis?

  • What is the most popular airline from New York LaGuardia Airport to St. Louis?

Best airlines flying from New York LaGuardia Airport to St. Louis

Compare and see reviews for airlines that fly from New York LaGuardia Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $180Free CancellationRating
7.9
8,127 reviews
Search Delta flights
SouthwestPriceFrom $197Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $217Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights

  • Southwest Flights From New York LaGuardia Airport to St. Louis

    Across 20 Southwest flights from New York LaGuardia Airport to St. Louis this week, the average price was $326, with the best Southwest deals starting from $197 round-trip. 4,267 users have rated Southwest on momondo, with an average score of 8.0/10.

  • Delta Flights From New York LaGuardia Airport to St. Louis

    The best Delta deal for New York LaGuardia Airport to St. Louis flight tickets found on momondo in the last 72 hours was $180, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $351 round-trip. Delta operates 20 flights out of New York LaGuardia Airport into St. Louis in an average week, so prices vary by time and availability. 8,127 Delta reviews by users on momondo have scored the airline at 7.9/10.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
Fenton
St. Peters
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Glencoe
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from New York to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from New York.

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

All flight searches from New York to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New York to St. Louis?

momondo helps you find the best flight between New York and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from New York and alert you when they change.

An easier way to manage your St. Louis trip

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