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Cheap flights from New York LaGuardia Airport to St. Louis from C$ 207

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 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
1:45 p.m. - 3:33 p.m.-
2h 48mdirect
Delta Logo
9:25 a.m. - 12:56 p.m.-
2h 31mdirect
C$ 416Delta
Sat, 5 Sep - Sun, 6 Sep
Southwest Logo
6:00 a.m. - 2:15 p.m.-
9h 15m
Southwest Logo
7:40 p.m. - 11:00 p.m.-
2h 20mdirect
C$ 426Southwest
Sat, 5 Sep - Sun, 6 Sep
Delta Logo
6:00 p.m. - 11:31 p.m.-
6h 31m
Delta Logo
12:30 p.m. - 4:09 p.m.-
2h 39mdirect
C$ 429Delta
Sat, 5 Sep - Sun, 6 Sep
Southwest Logo
6:00 a.m. - 3:35 p.m.-
10h 35m
Southwest Logo
7:40 p.m. - 11:00 p.m.-
2h 20mdirect
C$ 433Southwest
Sat, 5 Sep - Sun, 6 Sep
Southwest Logo
2:35 p.m. - 4:20 p.m.-
2h 45mdirect
Southwest Logo
3:35 p.m. - 6:55 p.m.-
2h 20mdirect
C$ 439Southwest
Fri, 11 Sep - Mon, 14 Sep
Delta Logo
6:00 p.m. - 11:31 p.m.-
6h 31m
Delta Logo
1:04 p.m. - 8:30 p.m.-
6h 26m
C$ 443Delta
Sat, 5 Sep - Sun, 6 Sep
Southwest Logo
6:00 a.m. - 2:15 p.m.-
9h 15m
Southwest Logo
5:40 a.m. - 9:00 a.m.-
2h 20mdirect
C$ 453Southwest
Sat, 5 Sep - Mon, 7 Sep
Southwest Logo
7:00 a.m. - 3:25 p.m.-
9h 25m
Southwest Logo
11:40 a.m. - 9:25 p.m.-
8h 45m
C$ 455Southwest
Sat, 5 Sep - Sun, 6 Sep
Delta Logo
10:00 a.m. - 11:47 a.m.-
2h 47mdirect
Delta Logo
5:25 p.m. - 9:03 p.m.-
2h 38mdirect
C$ 462Delta
Thu, 3 Sep - Fri, 4 Sep
Delta Logo
6:30 a.m. - 8:08 a.m.-
2h 38mdirect
Delta Logo
10:00 a.m. - 1:27 p.m.-
2h 27mdirect
C$ 465Delta
Thu, 3 Sep - Thu, 10 Sep

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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
5 Sep
LGA1:45 p.m.New York LaGuardia
2h 48m
STL3:33 p.m.Lambert-St Louis
6 Sep
STL9:25 a.m.Lambert-St Louis
2h 31m
LGA12:56 p.m.New York LaGuardia
C$ 416
Delta
5 Sep
LGA6:00 p.m.New York LaGuardia
6h 31m
1 stop
STL11:31 p.m.Lambert-St Louis
6 Sep
STL12:30 p.m.Lambert-St Louis
2h 39m
LGA4:09 p.m.New York LaGuardia
C$ 429
Delta
5 Sep
LGA6:00 p.m.New York LaGuardia
6h 31m
1 stop
STL11:31 p.m.Lambert-St Louis
6 Sep
STL1:04 p.m.Lambert-St Louis
6h 26m
1 stop
LGA8:30 p.m.New York LaGuardia
C$ 443

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
5 Sep
LGA6:00 a.m.New York LaGuardia
9h 15m
1 stop
STL2:15 p.m.Lambert-St Louis
6 Sep
STL7:40 p.m.Lambert-St Louis
2h 20m
LGA11:00 p.m.New York LaGuardia
C$ 426
Southwest
5 Sep
LGA6:00 a.m.New York LaGuardia
10h 35m
2 stops
STL3:35 p.m.Lambert-St Louis
6 Sep
STL7:40 p.m.Lambert-St Louis
2h 20m
LGA11:00 p.m.New York LaGuardia
C$ 433
Southwest
11 Sep
LGA2:35 p.m.New York LaGuardia
2h 45m
STL4:20 p.m.Lambert-St Louis
14 Sep
STL3:35 p.m.Lambert-St Louis
2h 20m
LGA6:55 p.m.New York LaGuardia
C$ 439

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 5 August 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

Sat 5/9

1:45 p.m.-3:33 p.m.

Nonstop2h 48m

Lambert-St Louis

Sun 6/9

9:25 a.m.-12:56 p.m.

Nonstop2h 31m

C$ 416

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 5/9

6:00 a.m.-2:15 p.m.

1 stop9h 15m

Lambert-St Louis

Sun 6/9

7:40 p.m.-11:00 p.m.

Nonstop2h 20m

C$ 426

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 5/9

6:00 p.m.-11:31 p.m.

1 stop6h 31m

Lambert-St Louis

Sun 6/9

12:30 p.m.-4:09 p.m.

Nonstop2h 39m

C$ 429

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 5/9

6:00 a.m.-3:35 p.m.

2 stops10h 35m

Lambert-St Louis

Sun 6/9

7:40 p.m.-11:00 p.m.

Nonstop2h 20m

C$ 433
Quickest round-trip

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 11/9

2:35 p.m.-4:20 p.m.

Nonstop2h 45m

Lambert-St Louis

Mon 14/9

3:35 p.m.-6:55 p.m.

Nonstop2h 20m

C$ 439

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 5/9

6:00 p.m.-11:31 p.m.

1 stop6h 31m

Lambert-St Louis

Sun 6/9

1:04 p.m.-8:30 p.m.

1 stop6h 26m

C$ 443

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 5/9

6:00 a.m.-2:15 p.m.

1 stop9h 15m

Lambert-St Louis

Mon 7/9

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

Nonstop2h 20m

C$ 453

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 5/9

7:00 a.m.-3:25 p.m.

2 stops9h 25m

Lambert-St Louis

Sun 6/9

11:40 a.m.-9:25 p.m.

1 stop8h 45m

C$ 455

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 3/9

10:00 a.m.-11:47 a.m.

Nonstop2h 47m

Lambert-St Louis

Fri 4/9

5:25 p.m.-9:03 p.m.

Nonstop2h 38m

C$ 462

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 3/9

6:30 a.m.-8:08 a.m.

Nonstop2h 38m

Lambert-St Louis

Thu 10/9

10:00 a.m.-1:27 p.m.

Nonstop2h 27m

C$ 465

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?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 432 to C$ 685.
The lowest price recently found on this route was C$ 416.

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$ 440. If you don’t want to visit St. Louis in October, then you should wait until April to fly from New York LaGuardia Airport, when ticket prices are also cheap, with an average price of C$ 500.

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$ 567 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$ 365 on momondo.

What cabin class options are available on New York LaGuardia Airport to St. Louis flights?

There is only 1 cabin class available to choose from on New York LaGuardia Airport to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2026, prices for New York LaGuardia Airport to St. Louis flights are approximately 17% 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

Fastest flight time

2h 49m

Direct flights

Every day

Airports in St. Louis

1 airport
The fastest flight from New York LaGuardia Airport to St. Louis takes 2h 49m
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 49m 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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