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$113+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — STL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from New York John F Kennedy Intl to Lambert-St Louis are usually found in January or March, booked 34 days in advance, depart on a Wednesday or Monday and return on a Saturday

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 July 3, 2025.

Round-trip from

$237
(FlightHub)

One-way from

$113
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$343

Good round-trip deal

$163 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. 14% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 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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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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:00 pmJFK - STL
1 stop7h 23mFrontier
Sun 8/177:59 pmSTL - JFK
1 stop14h 56mFrontier
Deal found 7/3$237
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:30 amJFK - STL
1 stop4h 54mAmerican Airlines
Mon 11/39:47 amSTL - JFK
1 stop4h 10mAmerican Airlines
Deal found 7/3$242
This Delta deal was found by Cheapflights users on 7/3. 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.
Thu 12/42:55 pmJFK - STL
Nonstop2h 45mDelta
Sun 12/74:27 pmSTL - JFK
Nonstop2h 28mDelta
Deal found 7/3$247

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 July 3, 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

Thu 8/14

1:00 pm-7:23 pm

1 stop7h 23m

Lambert-St Louis

Sun 8/17

7:59 pm-11:55 am

1 stop14h 56m

$237

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 10/30

6:30 am-10:24 am

1 stop4h 54m

Lambert-St Louis

Mon 11/3

9:47 am-2:57 pm

1 stop4h 10m

$242

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 12/4

2:55 pm-4:40 pm

Nonstop2h 45m

Lambert-St Louis

Sun 12/7

4:27 pm-7:55 pm

Nonstop2h 28m

$247

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 8/21

6:59 am-1:07 pm

1 stop7h 08m

$113

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sat 12/6

2:55 pm-4:40 pm

Nonstop2h 45m

$124

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sat 9/6

7:30 am-3:52 pm

1 stop9h 22m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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

How far ahead should I book a flight from New York John F Kennedy Intl Airport to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from John F Kennedy Intl to St. Louis. Price data was last updated on June 27, 2025.

The best time to book flights from New York John F Kennedy Intl Airport to St. Louis is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 July 3, 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 46% 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 July 3, 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
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
5.9
Fair
3,286 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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 0 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.

  • 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 $237. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $257 and $267, respectively. Frontier is currently priced 27% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from New York John F Kennedy Intl Airport to St. Louis one-way?

    One-way options have recently been found by users for as low as $113 on Frontier. Other airlines that offer cheap prices include American Airlines from $129 and Delta from $134 one-way.

  • 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 $163. On average you can expect to pay $258. The most popular route, (New York John F Kennedy Intl - Lambert-St Louis), can usually be booked for $186.

  • 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 New York John F Kennedy Intl Airport?

Book flights to New York John F Kennedy Intl Airport if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$133FlexibilityNo cancel feeOn-time62%
DeltaCheapest$163Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$226Average$335FlexibilityNo cancel feeOn-time71%

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