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Cheap flights from New York LaGuardia Airport to St. Louis from C$ 216

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 25/5. 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.
Delta Logo
6:30 a.m. - 8:13 a.m.
LGA
-
STL
2h 43mdirect
Delta Logo
6:00 a.m. - 9:28 a.m.
STL
-
LGA
2h 28mdirect
C$ 404Delta
Sun, 24 May - Tue, 26 May
Southwest Logo
8:55 a.m. - 10:45 a.m.
LGA
-
STL
2h 50mdirect
Southwest Logo
5:55 p.m. - 10:55 p.m.
STL
-
LGA
4h 00m
1 stop
C$ 410Southwest
Mon, 8 Jun - Tue, 9 Jun
Southwest Logo
10:45 a.m. - 12:15 p.m.
LGA
-
STL
2h 30mdirect
Southwest Logo
5:55 p.m. - 10:55 p.m.
STL
-
LGA
4h 00m
1 stop
C$ 413Southwest
Sat, 13 Jun - Wed, 17 Jun
Delta Logo
9:59 a.m. - 11:49 a.m.
LGA
-
STL
2h 50mdirect
Delta Logo
10:51 a.m. - 5:49 p.m.
STL
-
LGA
5h 58m
1 stop
C$ 414Delta
Tue, 9 Jun - Tue, 16 Jun
Delta Logo
6:00 a.m. - 9:29 a.m.
LGA
-
STL
4h 29m
1 stop
Delta Logo
6:00 a.m. - 9:28 a.m.
STL
-
LGA
2h 28mdirect
C$ 415Delta
Thu, 21 May - Tue, 26 May
Delta Logo
6:00 a.m. - 9:49 a.m.
LGA
-
STL
4h 49m
1 stop
Delta Logo
6:00 a.m. - 9:28 a.m.
STL
-
LGA
2h 28mdirect
C$ 418Delta
Sun, 24 May - Tue, 26 May
United Airlines Logo
7:10 a.m. - 12:47 p.m.
LGA
-
STL
6h 37m
1 stop
United Airlines Logo
5:29 p.m. - 11:15 p.m.
STL
-
LGA
4h 46m
1 stop
C$ 429United Airlines
Wed, 20 May - Sat, 23 May
Southwest Logo
8:55 a.m. - 10:45 a.m.
LGA
-
STL
2h 50mdirect
Southwest Logo
5:50 a.m. - 9:10 a.m.
STL
-
LGA
2h 20mdirect
C$ 430Southwest
Thu, 21 May - Mon, 25 May
Southwest Logo
8:55 a.m. - 10:45 a.m.
LGA
-
STL
2h 50mdirect
Southwest Logo
8:00 p.m. - 11:25 p.m.
STL
-
LGA
2h 25mdirect
C$ 432Southwest
Mon, 8 Jun - Sat, 13 Jun
Southwest Logo
8:55 a.m. - 10:45 a.m.
LGA
-
STL
2h 50mdirect
Southwest Logo
5:40 a.m. - 9:00 a.m.
STL
-
LGA
2h 20mdirect
C$ 433Southwest
Thu, 21 May - Sun, 24 May

Delta flights from New York LaGuardia Airport to St. Louis

Our best Delta deals on New York LaGuardia Airport to St. Louis flight tickets
Delta
24 May
LGA6:30 a.m.New York LaGuardia
2h 43m
STL8:13 a.m.Lambert-St Louis
26 May
STL6:00 a.m.Lambert-St Louis
2h 28m
LGA9:28 a.m.New York LaGuardia
C$ 404
Delta
9 Jun
LGA6:30 a.m.New York LaGuardia
2h 39m
STL8:09 a.m.Lambert-St Louis
17 Jun
STL9:21 a.m.Lambert-St Louis
6h 28m
1 stop
LGA4:49 p.m.New York LaGuardia
C$ 414
Delta
21 May
LGA6:00 a.m.New York LaGuardia
4h 29m
1 stop
STL9:29 a.m.Lambert-St Louis
26 May
STL6:00 a.m.Lambert-St Louis
2h 28m
LGA9:28 a.m.New York LaGuardia
C$ 415

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

Our best United Airlines deals on New York LaGuardia Airport to St. Louis flight tickets
United Airlines
20 May
LGA7:10 a.m.New York LaGuardia
6h 37m
1 stop
STL12:47 p.m.Lambert-St Louis
23 May
STL5:29 p.m.Lambert-St Louis
4h 46m
1 stop
LGA11:15 p.m.New York LaGuardia
C$ 429
United Airlines
23 May
LGA7:10 a.m.New York LaGuardia
5h 57m
1 stop
STL12:07 p.m.Lambert-St Louis
24 May
STL5:29 p.m.Lambert-St Louis
4h 46m
1 stop
LGA11:15 p.m.New York LaGuardia
C$ 460
United Airlines
11 May
LGA4:29 p.m.New York LaGuardia
5h 44m
1 stop
STL9:13 p.m.Lambert-St Louis
14 May
STL6:30 a.m.Lambert-St Louis
4h 38m
1 stop
LGA12:08 p.m.New York LaGuardia
C$ 652

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 96,600 searches. Data last updated 29 April 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

Cheapest round-trip

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sun 24/5

6:30 a.m.-8:13 a.m.

Nonstop2h 43m

Lambert-St Louis

Tue 26/5

6:00 a.m.-9:28 a.m.

Nonstop2h 28m

C$ 404

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Mon 8/6

8:55 a.m.-10:45 a.m.

Nonstop2h 50m

Lambert-St Louis

Tue 9/6

5:55 p.m.-10:55 p.m.

1 stop4h 00m

C$ 410

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 13/6

10:45 a.m.-12:15 p.m.

Nonstop2h 30m

Lambert-St Louis

Wed 17/6

5:55 p.m.-10:55 p.m.

1 stop4h 00m

C$ 412

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 9/6

9:59 a.m.-11:49 a.m.

Nonstop2h 50m

Lambert-St Louis

Tue 16/6

10:51 a.m.-5:49 p.m.

1 stop5h 58m

C$ 414

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 21/5

6:00 a.m.-9:29 a.m.

1 stop4h 29m

Lambert-St Louis

Tue 26/5

6:00 a.m.-9:28 a.m.

Nonstop2h 28m

C$ 415

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sun 24/5

6:00 a.m.-9:49 a.m.

1 stop4h 49m

Lambert-St Louis

Tue 26/5

6:00 a.m.-9:28 a.m.

Nonstop2h 28m

C$ 418

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 20/5

7:10 a.m.-12:47 p.m.

1 stop6h 37m

Lambert-St Louis

Sat 23/5

5:29 p.m.-11:15 p.m.

1 stop4h 46m

C$ 429
Quickest round-trip

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 21/5

8:55 a.m.-10:45 a.m.

Nonstop2h 50m

Lambert-St Louis

Mon 25/5

5:50 a.m.-9:10 a.m.

Nonstop2h 20m

C$ 430

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Mon 8/6

8:55 a.m.-10:45 a.m.

Nonstop2h 50m

Lambert-St Louis

Sat 13/6

8:00 p.m.-11:25 p.m.

Nonstop2h 25m

C$ 432

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 21/5

8:55 a.m.-10:45 a.m.

Nonstop2h 50m

Lambert-St Louis

Sun 24/5

5:40 a.m.-9:00 a.m.

Nonstop2h 20m

C$ 433

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?

The month of October is, on average, the cheapest month to fly to St. Louis from New York LaGuardia Airport, with most prices found around C$ 415. If you don’t want to visit St. Louis in October, then you should wait until August to fly from New York LaGuardia Airport, when ticket prices are also cheap, with an average price of C$ 415.

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 from New York LaGuardia Airport 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 C$ 494 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 C$ 335 on momondo.

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

As of April 2026, prices for New York LaGuardia Airport to St. Louis flights are approximately 5% 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

C$ 405

Fastest flight time

2h 55m

Direct flights

Every day

Airports in St. Louis

1 airport
The best flight deal from New York LaGuardia Airport to St. Louis found on momondo in the last 72 hours is C$ 405
The fastest flight from New York LaGuardia Airport to St. Louis takes 2h 55m
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

Frequently asked questions about flying from New York LaGuardia Airport to St. Louis

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

    The straight-line distance from New York LaGuardia to Lambert-St Louis is 1413.8 km. 2h 55m is a normal flight duration for this route.

  • 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 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 required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Why use momondo?

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

It is quick and easy to find New York 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 New York to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from New York on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential New York to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to St. Louis from New York. 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.

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