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$114+ Cheap flights from John F Kennedy Intl, NY (JFK) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — STL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from John F Kennedy Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from John F Kennedy Intl (JFK) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$208
(Booking.com)

One-way from

$114
(Frontier)

Popular in

June

Cheapest in

January

Average price

$320

Good round-trip deal

$223 or less

Good one-way deal

$130 or less
From New York John F Kennedy Intl to Lambert-St Louis
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One-way flight from New York John F Kennedy Intl to Lambert-St Louis
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Highest demand for flights based on searches. 16% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from New York John F Kennedy Intl to Lambert-St Louis.
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Price to beat on a one-way flight from New York John F Kennedy Intl to Lambert-St Louis.
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Find flight deals from John F Kennedy Intl to St. Louis

Cheapest flights from John F Kennedy Intl to St. Louis
Explore the most affordable flight options available from John F Kennedy Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:59 amJFK - STL
1 stop11h 11mFrontier
Tue 10/147:52 pmSTL - JFK
1 stop15h 09mFrontier
Deal found 9/15$208
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:00 amJFK - STL
1 stop7h 57mFrontier
Fri 11/72:12 pmSTL - JFK
2 stops17h 52mFrontier
Deal found 9/16$209
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:30 amJFK - STL
1 stop6h 47mFrontier
Thu 11/67:45 pmSTL - JFK
1 stop18h 15mFrontier
Deal found 9/15$211
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:59 amJFK - STL
1 stop31h 54mFrontier
Sun 10/51:57 pmSTL - JFK
1 stop19h 29mFrontier
Deal found 9/15$212
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:15 amJFK - STL
1 stop9h 49mFrontier
Mon 10/64:00 pmSTL - JFK
2 stops17h 24mFrontier
Deal found 9/15$215
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:59 amJFK - STL
1 stop11h 11mFrontier
Mon 10/139:06 pmSTL - JFK
1 stop12h 18mFrontier
Deal found 9/15$216
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:59 pmJFK - STL
1 stop5h 10mDelta
Mon 11/176:09 pmSTL - JFK
1 stop3h 59mDelta
Deal found 9/15$217
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:59 amJFK - STL
1 stop9h 39mFrontier
Sun 11/92:12 pmSTL - JFK
1 stop19h 17mFrontier
Deal found 9/15$218
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:15 amJFK - STL
1 stop9h 49mFrontier
Fri 9/269:35 pmSTL - JFK
1 stop30h 55mFrontier
Deal found 9/16$219
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:59 amJFK - STL
1 stop10h 04mFrontier
Tue 10/77:52 pmSTL - JFK
1 stop15h 09mFrontier
Deal found 9/17$220
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:59 amJFK - STL
1 stop7h 18mFrontier
Fri 11/74:56 pmSTL - JFK
1 stop6h 37mFrontier
Deal found 9/15$222

Cheapflights Fare Finder

 
Customize your flight search to find flights from John F Kennedy Intl 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, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
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

John F Kennedy Intl

Fly to

St. Louis

Route

Depart

Return

Price

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 11/7

2:55 pm-4:43 pm

Nonstop2h 48m

Lambert-St Louis

Sun 11/9

6:40 am-11:59 am

1 stop4h 19m

$237

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 11/14

2:40 pm-4:33 pm

Nonstop2h 53m

Lambert-St Louis

Mon 11/17

6:09 pm-11:08 pm

1 stop3h 59m

$237

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 10/30

2:55 pm-4:43 pm

Nonstop2h 48m

Lambert-St Louis

Mon 11/3

4:10 pm-7:57 pm

Nonstop2h 47m

$245

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 12/31

2:59 pm-5:00 pm

Nonstop3h 01m

Lambert-St Louis

Fri 1/2

4:55 pm-8:29 pm

Nonstop2h 34m

$279

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 10/15

2:55 pm-4:43 pm

Nonstop2h 48m

Lambert-St Louis

Wed 10/22

4:10 pm-7:57 pm

Nonstop2h 47m

$293

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 10/24

2:55 pm-4:43 pm

Nonstop2h 48m

Lambert-St Louis

Mon 10/27

4:10 pm-7:57 pm

Nonstop2h 47m

$303

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 10/22

2:55 pm-4:43 pm

Nonstop2h 48m

Lambert-St Louis

Fri 10/24

4:10 pm-7:57 pm

Nonstop2h 47m

$303

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sat 11/1

8:35 am-10:04 pm

2 stops14h 29m

Lambert-St Louis

Mon 11/3

6:14 pm-11:18 pm

1 stop4h 04m

$310

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 11/6

2:55 pm-4:43 pm

Nonstop2h 48m

$129

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sat 12/6

3:25 pm-5:25 pm

Nonstop3h 00m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
1
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Best time to book a flight from John F Kennedy Intl to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from John F Kennedy Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New York John F Kennedy Intl Airport to St. Louis

What is the cheapest month to book a flight from New York John F Kennedy Intl Airport to St. Louis?

Currently, August is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to St. Louis (average of $311). Flying from New York John F Kennedy Intl Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from JFK to STL?

Find hourly flight availability from John F Kennedy Intl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from New York John F Kennedy Intl Airport to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 40% versus a flight in the evening.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated September 17, 2025.
See what other customers who have flown with Delta, American Airlines, and Frontier from New York John F Kennedy Intl Airport to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Frontier
5.8
Fair
3,173 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from John F Kennedy Intl to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from New York John F Kennedy Intl?

    For a flight from New York John F Kennedy Intl to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 3 inbound flights from New York John F Kennedy Intl per day. 3 airlines have flights to Lambert-St Louis from New York John F Kennedy Intl on a regular basis.

  • How long is the flight from New York John F Kennedy Intl Airport to St. Louis?

    For as low as $237, Delta can have you in St. Louis from New York John F Kennedy Intl Airport in 2h 48m. The distance between New York John F Kennedy Intl Airport and St. Louis is about 890 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from New York John F Kennedy Intl Airport to St. Louis round-trip?

    Flying on Frontier is currently your cheapest option to St. Louis, with prices starting at $65. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $188 and $238, respectively. Frontier is currently priced 81% below the average price you’ll pay for this route.

  • What are the most reliable airlines from New York John F Kennedy Intl Airport to St. Louis?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from New York John F Kennedy Intl Airport to St. Louis on time: KLM (100%), Air France (100%), Delta (100%).

  • What are the cheapest flights from New York John F Kennedy Intl Airport to St. Louis?

    The cheapest flight price from New York John F Kennedy Intl Airport to St. Louis is $120. On average you can expect to pay $218. The most popular route, (New York John F Kennedy Intl - Lambert-St Louis), can usually be booked for $197.

  • Can I find deals for flights from John F Kennedy Intl to St. Louis that include hotel bookings?

    Yes. In addition to deals on John F Kennedy Intl to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from John F Kennedy Intl to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from John F Kennedy Intl to St. Louis.

  • Can I find deals for business class flights from John F Kennedy Intl to St. Louis?

    Yes. Cheapflights offers flight deals from John F Kennedy Intl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New York John F Kennedy Intl Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to St. Louis (average of $311). Flying from New York John F Kennedy Intl Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 3 airlines flying from John F Kennedy Intl to St. Louis

Discover the top 3 airlines that operate flights from John F Kennedy Intl to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$187FlexibilityNo cancel feeOn-time62%
DeltaCheapest$188Average$317FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$354FlexibilityNo cancel feeOn-time71%

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