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Cheap flights from New York John F Kennedy Intl Airport to St. Louis from $147

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 12/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
American Airlines Logo
6:30 am - 10:15 am
JFK
-
STL
4h 45m
1 stop
American Airlines Logo
7:27 am - 5:00 pm
STL
-
JFK
8h 33m
1 stop
$321American Airlines
Thu, Sep 17 - Tue, Sep 22
Frontier Logo
1:00 pm - 8:57 am
JFK
-
STL
20h 57m
1 stop
Frontier Logo
6:34 pm - 11:50 am
STL
-
JFK
16h 16m
1 stop
$324Frontier
Thu, Jul 9 - Sun, Jul 12
American Airlines Logo
2:58 pm - 12:27 am
JFK
-
STL
10h 29m
1 stop
American Airlines Logo
7:27 am - 2:59 pm
STL
-
JFK
6h 32m
1 stop
$326American Airlines
Wed, Sep 9 - Thu, Sep 10
Delta Logo
7:10 am - 1:14 pm
JFK
-
STL
7h 04m
1 stop
Delta Logo
6:00 am - 1:15 pm
STL
-
JFK
6h 15m
1 stop
$327Delta
Wed, Aug 5 - Mon, Aug 10
Frontier Logo
1:00 pm - 8:52 am
JFK
-
STL
20h 52m
1 stop
Frontier Logo
4:57 pm - 11:50 am
STL
-
JFK
17h 53m
1 stop
$329Frontier
Fri, Jul 3 - Mon, Jul 6
American Airlines Logo
7:57 am - 1:12 pm
JFK
-
STL
6h 15m
1 stop
American Airlines Logo
6:55 am - 4:28 pm
STL
-
JFK
8h 33m
1 stop
$332American Airlines
Wed, Jul 1 - Tue, Jul 7
Frontier Logo
1:00 pm - 5:37 pm
JFK
-
STL
29h 37m
1 stop
Frontier Logo
8:08 pm - 11:50 am
STL
-
JFK
14h 42m
2 stops
$340Frontier
Sat, Jul 18 - Mon, Jul 27
Delta Logo
8:35 am - 12:32 pm
JFK
-
STL
4h 57m
1 stop
Delta Logo
3:54 pm - 10:02 pm
STL
-
JFK
5h 08m
1 stop
$341Delta
Thu, Sep 10 - Sat, Sep 12
Frontier Logo
1:00 pm - 11:59 pm
JFK
-
STL
11h 59m
2 stops
Frontier Logo
4:57 pm - 11:50 am
STL
-
JFK
17h 53m
1 stop
$343Frontier
Wed, Jul 22 - Fri, Jul 24
Frontier Logo
1:00 pm - 11:59 pm
JFK
-
STL
11h 59m
2 stops
Frontier Logo
6:34 pm - 11:50 am
STL
-
JFK
16h 16m
1 stop
$344Frontier
Thu, Jul 23 - Sun, Jul 26

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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
Jul 9
JFK1:00 pmNew York John F Kennedy Intl
20h 57m
1 stop
STL8:57 amLambert-St Louis
Jul 12
STL6:34 pmLambert-St Louis
16h 16m
1 stop
JFK11:50 amNew York John F Kennedy Intl
$324
Frontier
Jul 3
JFK1:00 pmNew York John F Kennedy Intl
20h 52m
1 stop
STL8:52 amLambert-St Louis
Jul 6
STL4:57 pmLambert-St Louis
17h 53m
1 stop
JFK11:50 amNew York John F Kennedy Intl
$329
Frontier
Jul 22
JFK1:00 pmNew York John F Kennedy Intl
11h 59m
2 stops
STL11:59 pmLambert-St Louis
Jul 24
STL4:57 pmLambert-St Louis
17h 53m
1 stop
JFK11:50 amNew York John F Kennedy Intl
$343

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
Nov 21
JFK3:10 pmNew York John F Kennedy Intl
2h 56m
STL5:06 pmLambert-St Louis
Nov 26
STL4:13 pmLambert-St Louis
2h 39m
JFK7:52 pmNew York John F Kennedy Intl
$340
Delta
Sep 10
JFK8:35 amNew York John F Kennedy Intl
4h 57m
1 stop
STL12:32 pmLambert-St Louis
Sep 12
STL3:54 pmLambert-St Louis
5h 08m
1 stop
JFK10:02 pmNew York John F Kennedy Intl
$341
Delta
Nov 21
JFK3:10 pmNew York John F Kennedy Intl
2h 56m
STL5:06 pmLambert-St Louis
Nov 26
STL6:59 pmLambert-St Louis
5h 00m
1 stop
JFK12:59 amNew York John F Kennedy Intl
$350

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 June 18, 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

Cheapest round-trip

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 9/17

6:30 am-10:15 am

1 stop4h 45m

Lambert-St Louis

Tue 9/22

7:27 am-5:00 pm

1 stop8h 33m

$321

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 7/9

1:00 pm-8:57 am

1 stop20h 57m

Lambert-St Louis

Sun 7/12

6:34 pm-11:50 am

1 stop16h 16m

$324

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 9/9

2:58 pm-12:27 am

1 stop10h 29m

Lambert-St Louis

Thu 9/10

7:27 am-2:59 pm

1 stop6h 32m

$326

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 8/5

7:10 am-1:14 pm

1 stop7h 04m

Lambert-St Louis

Mon 8/10

6:00 am-1:15 pm

1 stop6h 15m

$327

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 7/3

1:00 pm-8:52 am

1 stop20h 52m

Lambert-St Louis

Mon 7/6

4:57 pm-11:50 am

1 stop17h 53m

$329

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 7/1

7:57 am-1:12 pm

1 stop6h 15m

Lambert-St Louis

Tue 7/7

6:55 am-4:28 pm

1 stop8h 33m

$332

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sat 7/18

1:00 pm-5:37 pm

1 stop29h 37m

Lambert-St Louis

Mon 7/27

8:08 pm-11:50 am

2 stops14h 42m

$340
Quickest round-trip

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 9/10

8:35 am-12:32 pm

1 stop4h 57m

Lambert-St Louis

Sat 9/12

3:54 pm-10:02 pm

1 stop5h 08m

$341

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 7/22

1:00 pm-11:59 pm

2 stops11h 59m

Lambert-St Louis

Fri 7/24

4:57 pm-11:50 am

1 stop17h 53m

$343

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 7/23

1:00 pm-11:59 pm

2 stops11h 59m

Lambert-St Louis

Sun 7/26

6:34 pm-11:50 am

1 stop16h 16m

$344

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 typical price of a round-trip flight between New York John F Kennedy Intl Airport and St. Louis?

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

In general, October 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 $297. The month of September is another great option to travel to St. Louis, with average flight prices from New York John F Kennedy Intl Airport averaging around $304.

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 $367. 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 $484. 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 evening is the least expensive time of day to depart. momondo users have found prices as low as $381 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $407 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 Airport to St. Louis flights?

There are 3 cabin classes available to choose from on New York John F Kennedy Intl 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.

Can stopping save me money on New York John F Kennedy Intl Airport to St. Louis flights?

You could potentially save up to 18% 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?

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

$194

Fastest flight time

2h 56m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from New York John F Kennedy Intl Airport in the past 72 hours is $194. The best round-trip flight deal from New York John F Kennedy Intl Airport to St. Louis found on momondo in the last 72 hours is $399.
The fastest flight from New York John F Kennedy Intl Airport to St. Louis takes 2h 56m
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

Frequently asked questions about flying from New York John F Kennedy Intl Airport to St. Louis

  • 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 56m.

  • 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
DeltaPriceFrom $203Free CancellationRating
7.8
8,410 reviews
Search Delta flights
American AirlinesPriceFrom $335Free CancellationRating
7.1
11,686 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Clayton
Fenton
Farmington
Festus
Eureka
Litchfield
Edwardsville
Grafton
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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