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Cheap flights from New York LaGuardia Airport to St. Louis from $126

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 12/16. 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.
Spirit Airlines Logo
10:24 am - 1:52 pmLGA-STL
28h 28m3 stops
Spirit Airlines Logo
2:47 pm - 11:42 pmSTL-LGA
7h 55m1 stop
$245Spirit Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
American Airlines Logo
6:10 pm - 8:18 pmLGA-STL
3h 08mnonstop
American Airlines Logo
3:33 pm - 7:01 pmSTL-LGA
2h 28mnonstop
$246American Airlines
Find Deal
Fri, Feb 20 - Wed, Feb 25
Multiple Airlines Logo
6:15 am - 9:09 pmLGA-STL
15h 54m2 stops
Multiple Airlines Logo
9:52 am - 11:21 pmSTL-LGA
12h 29m1 stop
$248Multiple Airlines
Find Deal
Thu, Nov 20 - Sat, Nov 22
Multiple Airlines Logo
10:00 pm - 6:19 pmLGA-STL
21h 19m1 stop
Multiple Airlines Logo
4:13 pm - 9:00 amSTL-LGA
15h 47m1 stop
$249Multiple Airlines
Find Deal
Sun, Nov 23 - Mon, Dec 1
Frontier Logo
8:30 pm - 11:57 pmLGA-STL
28h 27m1 stop
Frontier Logo
12:04 pm - 11:05 pmSTL-LGA
10h 01m1 stop
$254Frontier
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Wed, Nov 26 - Thu, Dec 4
Delta Logo
1:59 pm - 3:52 pmLGA-STL
2h 53mnonstop
Delta Logo
9:45 am - 1:11 pmSTL-LGA
2h 26mnonstop
$261Delta
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Thu, Dec 4 - Tue, Jan 27
Frontier Logo
10:55 pm - 10:14 amLGA-STL
12h 19m1 stop
Frontier Logo
11:12 am - 11:06 pmSTL-LGA
10h 54m1 stop
$265Frontier
Find Deal
Fri, Dec 5 - Fri, Jan 16
Delta Logo
6:30 am - 8:20 amLGA-STL
2h 50mnonstop
Delta Logo
9:45 am - 1:11 pmSTL-LGA
2h 26mnonstop
$267Delta
Find Deal
Wed, Dec 3 - Sun, Jan 18
Southwest Logo
10:15 am - 12:10 pmLGA-STL
2h 55mnonstop
Southwest Logo
5:35 am - 1:40 pmSTL-LGA
7h 05m1 stop
$271Southwest
Find Deal
Thu, Dec 4 - Tue, Dec 9
Southwest Logo
4:30 pm - 8:50 pmLGA-STL
5h 20m1 stop
Southwest Logo
4:45 pm - 8:05 pmSTL-LGA
2h 20mnonstop
$291Southwest
Find Deal
Sat, Dec 6 - Mon, Dec 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
Dec 4
LGA10:15 amNew York LaGuardia
2h 55m
STL12:10 pmLambert-St Louis
Dec 9
STL5:35 amLambert-St Louis
7h 05m
1 stop
LGA1:40 pmNew York LaGuardia
$271
Find similar
Southwest
Dec 6
LGA4:30 pmNew York LaGuardia
5h 20m
1 stop
STL8:50 pmLambert-St Louis
Dec 8
STL4:45 pmLambert-St Louis
2h 20m
LGA8:05 pmNew York LaGuardia
$291
Find similar
Southwest
Dec 6
LGA6:10 amNew York LaGuardia
8h 30m
1 stop
STL1:40 pmLambert-St Louis
Jan 18
STL7:50 pmLambert-St Louis
2h 15m
LGA11:05 pmNew York LaGuardia
$296
Find similar

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

Our best Spirit Airlines deals on New York LaGuardia Airport to St. Louis flight tickets
Spirit Airlines
Dec 10
LGA10:24 amNew York LaGuardia
28h 28m
3 stops
STL1:52 pmLambert-St Louis
Dec 14
STL2:47 pmLambert-St Louis
7h 55m
1 stop
LGA11:42 pmNew York LaGuardia
$245
Find similar
Spirit Airlines
Nov 21
LGA6:46 pmNew York LaGuardia
15h 11m
1 stop
STL8:57 amLambert-St Louis
Nov 23
STL11:08 amLambert-St Louis
21h 52m
1 stop
LGA10:00 amNew York LaGuardia
$253
Find similar
Spirit Airlines
Nov 21
LGA6:46 pmNew York LaGuardia
15h 11m
1 stop
STL8:57 amLambert-St Louis
Nov 23
STL11:08 amLambert-St Louis
20h 52m
2 stops
LGA9:00 amNew York LaGuardia
$278
Find similar

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 October 28, 2025.
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 12/10

10:24 am-1:52 pm

3 stops28h 28m

Lambert-St Louis

Sun 12/14

2:47 pm-11:42 pm

1 stop7h 55m

$245

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 2/20

6:10 pm-8:18 pm

Nonstop3h 08m

Lambert-St Louis

Wed 2/25

3:33 pm-7:01 pm

Nonstop2h 28m

$246

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 11/20

6:15 am-9:09 pm

2 stops15h 54m

Lambert-St Louis

Sat 11/22

9:52 am-11:21 pm

1 stop12h 29m

$248

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sun 11/23

10:00 pm-6:19 pm

1 stop21h 19m

Lambert-St Louis

Mon 12/1

4:13 pm-9:00 am

1 stop15h 47m

$249

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 11/26

8:30 pm-11:57 pm

1 stop28h 27m

Lambert-St Louis

Thu 12/4

12:04 pm-11:05 pm

1 stop10h 01m

$254

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 12/4

1:59 pm-3:52 pm

Nonstop2h 53m

Lambert-St Louis

Tue 1/27

9:45 am-1:11 pm

Nonstop2h 26m

$261

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 12/5

10:55 pm-10:14 am

1 stop12h 19m

Lambert-St Louis

Fri 1/16

11:12 am-11:06 pm

1 stop10h 54m

$265

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 12/3

6:30 am-8:20 am

Nonstop2h 50m

Lambert-St Louis

Sun 1/18

9:45 am-1:11 pm

Nonstop2h 26m

$267

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 12/4

10:15 am-12:10 pm

Nonstop2h 55m

Lambert-St Louis

Tue 12/9

5:35 am-1:40 pm

1 stop7h 05m

$271

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 12/6

4:30 pm-8:50 pm

1 stop5h 20m

Lambert-St Louis

Mon 12/8

4:45 pm-8:05 pm

Nonstop2h 20m

$291

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 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 $295. 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 $320. 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 $438. 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 $344 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $377 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 $337 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 $262 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 23% 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 October 2025, prices for New York LaGuardia Airport to St. Louis flights are approximately 8% cheaper 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

$159

Fastest flight time

2h 41m

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 $159. The best round-trip flight deal from New York LaGuardia Airport to St. Louis found on momondo in the last 72 hours is $300.
The fastest flight from New York LaGuardia Airport to St. Louis takes 2h 41m
Direct flights go from New York LaGuardia Airport to St. Louis every day.
There is 1 airport near St. Louis: 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 44m.

  • 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 $192Free CancellationRating
7.9
7,994 reviews
Search Delta flights
SouthwestPriceFrom $197Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
American AirlinesPriceFrom $207Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights

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

    Across 17 Southwest flights from New York LaGuardia Airport to St. Louis this week, the average price was $328, with the best Southwest deals starting from $197 round-trip. 4,240 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 $192, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $346 round-trip. Delta operates 19 flights out of New York LaGuardia Airport into St. Louis in an average week, so prices vary by time and availability. 7,994 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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
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

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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