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Cheap flights from New York John F Kennedy Intl 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 John F Kennedy Intl Airport to St. Louis departing on 5/15. 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 John F Kennedy Intl Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:29 pm - 10:27 pm
JFK
-
STL
6h 58m
1 stop
Frontier Logo
3:49 pm - 3:29 pm
STL
-
JFK
22h 40m
1 stop
$265Frontier
Wed, Feb 25 - Sun, Mar 1
Frontier Logo
6:00 am - 11:49 am
JFK
-
STL
6h 49m
1 stop
Frontier Logo
7:52 am - 1:14 am
STL
-
JFK
16h 22m
2 stops
$268Frontier
Fri, Mar 6 - Sun, Mar 8
Frontier Logo
7:30 am - 9:00 pm
JFK
-
STL
14h 30m
1 stop
Frontier Logo
4:55 pm - 11:50 am
STL
-
JFK
17h 55m
1 stop
$270Frontier
Fri, May 1 - Sun, May 3
Frontier Logo
1:11 pm - 8:08 pm
JFK
-
STL
7h 57m
1 stop
Frontier Logo
8:12 pm - 9:03 am
STL
-
JFK
11h 51m
2 stops
$271Frontier
Sat, Mar 14 - Mon, Mar 16
Frontier Logo
1:19 pm - 11:25 pm
JFK
-
STL
11h 06m
1 stop
Frontier Logo
8:16 pm - 11:50 am
STL
-
JFK
14h 34m
2 stops
$272Frontier
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
11:30 am - 7:51 am
JFK
-
STL
21h 21m
2 stops
Frontier Logo
4:54 pm - 10:00 am
STL
-
JFK
16h 06m
1 stop
$273Frontier
Fri, Apr 3 - Mon, Apr 6
American Airlines Logo
6:30 am - 11:29 am
JFK
-
STL
5h 59m
1 stop
American Airlines Logo
6:00 am - 2:59 pm
STL
-
JFK
7h 59m
1 stop
$274American Airlines
Mon, Mar 30 - Wed, Apr 1
Frontier Logo
11:03 am - 11:59 pm
JFK
-
STL
13h 56m
1 stop
Frontier Logo
3:49 pm - 3:29 pm
STL
-
JFK
22h 40m
1 stop
$275Frontier
Thu, Feb 26 - Sun, Mar 1
Frontier Logo
1:00 pm - 11:19 pm
JFK
-
STL
11h 19m
1 stop
Frontier Logo
4:55 pm - 11:50 am
STL
-
JFK
17h 55m
1 stop
$276Frontier
Thu, Apr 30 - Sun, May 3
American Airlines Logo
6:30 am - 11:29 am
JFK
-
STL
5h 59m
1 stop
American Airlines Logo
6:00 am - 7:40 pm
STL
-
JFK
12h 40m
1 stop
$277American Airlines
Fri, Mar 13 - Tue, Mar 17

Delta flights from New York John F Kennedy Intl Airport to St. Louis

Our best Delta deals on New York John F Kennedy Intl Airport to St. Louis flight tickets
Delta
May 6
JFK11:45 amNew York John F Kennedy Intl
6h 59m
1 stop
STL5:44 pmLambert-St Louis
Jun 19
STL5:00 pmLambert-St Louis
2h 28m
JFK8:28 pmNew York John F Kennedy Intl
$305
Delta
May 15
JFK6:30 pmNew York John F Kennedy Intl
6h 08m
1 stop
STL11:38 pmLambert-St Louis
May 23
STL5:00 pmLambert-St Louis
2h 28m
JFK8:28 pmNew York John F Kennedy Intl
$307
Delta
Jun 11
JFK2:55 pmNew York John F Kennedy Intl
2h 45m
STL4:40 pmLambert-St Louis
Jun 15
STL5:00 pmLambert-St Louis
2h 28m
JFK8:28 pmNew York John F Kennedy Intl
$317

Frontier flights from New York John F Kennedy Intl Airport to St. Louis

Our best Frontier deals on New York John F Kennedy Intl Airport to St. Louis flight tickets
Frontier
Feb 25
JFK4:29 pmNew York John F Kennedy Intl
6h 58m
1 stop
STL10:27 pmLambert-St Louis
Mar 1
STL3:49 pmLambert-St Louis
22h 40m
1 stop
JFK3:29 pmNew York John F Kennedy Intl
$265
Frontier
Mar 6
JFK6:00 amNew York John F Kennedy Intl
6h 49m
1 stop
STL11:49 amLambert-St Louis
Mar 8
STL7:52 amLambert-St Louis
16h 22m
2 stops
JFK1:14 amNew York John F Kennedy Intl
$268
Frontier
May 1
JFK7:30 amNew York John F Kennedy Intl
14h 30m
1 stop
STL9:00 pmLambert-St Louis
May 3
STL4:55 pmLambert-St Louis
17h 55m
1 stop
JFK11:50 amNew York John F Kennedy Intl
$270

momondo Fare Finder

 
Customize your flight search to find flights from New York John F Kennedy Intl 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 John F Kennedy Intl Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 2/25

4:29 pm-10:27 pm

1 stop6h 58m

Lambert-St Louis

Sun 3/1

3:49 pm-3:29 pm

1 stop22h 40m

$265

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 3/6

6:00 am-11:49 am

1 stop6h 49m

Lambert-St Louis

Sun 3/8

7:52 am-1:14 am

2 stops16h 22m

$268

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 5/1

7:30 am-9:00 pm

1 stop14h 30m

Lambert-St Louis

Sun 5/3

4:55 pm-11:50 am

1 stop17h 55m

$270

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sat 3/14

1:11 pm-8:08 pm

1 stop7h 57m

Lambert-St Louis

Mon 3/16

8:12 pm-9:03 am

2 stops11h 51m

$271

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 4/9

1:19 pm-11:25 pm

1 stop11h 06m

Lambert-St Louis

Mon 4/13

8:16 pm-11:50 am

2 stops14h 34m

$272

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 4/3

11:30 am-7:51 am

2 stops21h 21m

Lambert-St Louis

Mon 4/6

4:54 pm-10:00 am

1 stop16h 06m

$273

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Mon 3/30

6:30 am-11:29 am

1 stop5h 59m

Lambert-St Louis

Wed 4/1

6:00 am-2:59 pm

1 stop7h 59m

$274

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 2/26

11:03 am-11:59 pm

1 stop13h 56m

Lambert-St Louis

Sun 3/1

3:49 pm-3:29 pm

1 stop22h 40m

$275

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 4/30

1:00 pm-11:19 pm

1 stop11h 19m

Lambert-St Louis

Sun 5/3

4:55 pm-11:50 am

1 stop17h 55m

$276

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 3/13

6:30 am-11:29 am

1 stop5h 59m

Lambert-St Louis

Tue 3/17

6:00 am-7:40 pm

1 stop12h 40m

$277

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 John F Kennedy Intl 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 John F Kennedy Intl Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $256. The month of January is another great option to travel to St. Louis, with average flight prices from New York John F Kennedy Intl Airport averaging around $287.

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 John F Kennedy Intl 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 John F Kennedy Intl to Lambert-St Louis flight route?

Fly from New York John F Kennedy Intl to Lambert-St Louis for the best New York John F Kennedy Intl - Lambert-St Louis flight prices

What cabin class options are available on New York John F Kennedy Intl to Lambert-St Louis flights?

There are 3 cabin classes available to choose from on New York John F Kennedy Intl 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 John F Kennedy Intl Airport to St. Louis flights?

You could potentially save up to 11% on your flight if you consider stops on a New York John F Kennedy Intl Airport to St. Louis flight.

How have New York John F Kennedy Intl Airport to St. Louis flight prices changed over time?

As of January 2026, prices for New York John F Kennedy Intl Airport to St. Louis flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from New York John F Kennedy Intl Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from New York John F Kennedy Intl 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 John F Kennedy Intl Airport to St. Louis (JFK to STL) flight deals and tips

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

Best Price Found

$351

Fastest flight time

2h 45m

Direct flights

Every day

Airports in St. Louis

1 airport
The best flight deal from New York John F Kennedy Intl Airport to St. Louis found on momondo in the last 72 hours is $351
The fastest flight from New York John F Kennedy Intl Airport to St. Louis takes 2h 45m
Direct flights go from New York John F Kennedy Intl Airport to St. Louis every day.
There is 1 airport in St. Louis. From New York John F Kennedy Intl Airport there are direct flights to Lambert-St Louis (STL).
Search flight deals

  • How far is New York John F Kennedy Intl to Lambert-St Louis by plane?

    Lambert-St Louis is 882.7 mi away from New York John F Kennedy Intl. By plane, this route typically takes 2h 45m.

  • When did momondo last update prices for flights from New York John F Kennedy Intl Airport to Lambert-St Louis Airport?

    Prices for flights from New York John F Kennedy Intl Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from New York John F Kennedy Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from New York John F Kennedy Intl Airport 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 New York John F Kennedy Intl 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 John F Kennedy Intl Airport to St. Louis?

  • What is the most popular airline from New York John F Kennedy Intl Airport to St. Louis?

Best airlines flying from New York John F Kennedy Intl Airport to St. Louis

Compare and see reviews for airlines that fly from New York John F Kennedy Intl Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $55Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $163Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $240Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights

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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to St. Louis. momondo saves you time and could save you money on your trip.

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

Flights from New York to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for New York to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

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