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

Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at $259. Additional round-trip tickets that might be worth considering are offered by Delta and Frontier, with the lowest prices starting at $261 and $301, respectively. American Airlines is currently priced 22% 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 $114 on American Airlines. Other airlines that offer cheap prices include Frontier from $137 and Delta from $149 one-way.

What is the cheapest day to fly from New York John F Kennedy Intl Airport to St. Louis?

Travelers seeking maximum savings on their New York John F Kennedy Intl Airport to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $148. On average you can expect to pay $188. The most popular route, (New York John F Kennedy Intl - Lambert-St Louis), can usually be booked for $200.

What are the most popular airlines that fly from New York John F Kennedy Intl Airport to St. Louis?

Before booking your flight from New York John F Kennedy Intl Airport to St. Louis check out the most popular airlines for this route: American Airlines, Delta or Frontier.

What is the cheapest day to fly round-trip from New York John F Kennedy Intl Airport to St. Louis?

Travelers have found that booking a Friday departure is the best way to save up to 165% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 63% on flights from New York John F Kennedy Intl Airport to St. Louis compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $380. For sooner than that we have options available in the next 3 days from $411.

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

Our data shows that January tends to be the cheapest month to fly to St. Louis from New York John F Kennedy Intl Airport. Users have commonly found prices around $335 for the month, but tickets can be as low as $207. Due to multiple factors, prepare for potentially higher prices in December.

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.

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.

$114+ Flights from New York John F Kennedy Intl Airport, NY to St. Louis

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Cheap flight deals from John F Kennedy Intl to St. Louis

Round-trip from	$259 (American Airlines)
One-way from	$114 (American Airlines)
Popular in	June
Cheapest in	January
Average price	$455
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. 17% potential increase in price ($69 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 18, 2025.

Wed 11/59:00 amJFK - STL

1 stop12h 00mAmerican Airlines

Sat 11/87:49 amSTL - JFK

1 stop6h 08mAmerican Airlines

Deal found 6/17

$242

Tue 6/176:59 amJFK - STL

1 stop17h 54mFrontier

Fri 6/272:27 pmSTL - JFK

1 stop14h 03mFrontier

Deal found 6/15

$249

Tue 7/112:29 pmJFK - STL

1 stop4h 49mDelta

Sat 7/55:23 pmSTL - JFK

1 stop6h 50mDelta

Deal found 6/17

$261

Sun 8/179:00 amJFK - STL

1 stop5h 34mMultiple Airlines

Sun 8/245:10 pmSTL - JFK

1 stop16h 23mMultiple Airlines

Deal found 6/17

$373

Wed 11/59:45 amJFK - STL

2 stops30h 20mAlaska Airlines

Sat 11/87:00 amSTL - JFK

2 stops22h 27mAlaska Airlines

Deal found 6/17

$515

Thu 7/311:29 amJFK - STL

1 stop25h 01mSun Country Air

Sun 7/66:36 amSTL - JFK

1 stop26h 58mSun Country Air

Deal found 6/17

$525

Best flights from John F Kennedy Intl to St. Louis
Discover carefully curated flight deals from John F Kennedy Intl to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2025.

Thu 9/411:00 amJFK - STL

1 stop10h 25mAmerican Airlines

Sat 9/67:01 amSTL - JFK

1 stop6h 54mAmerican Airlines

Deal found 6/18

$259

Tue 7/112:29 pmJFK - STL

1 stop4h 49mDelta

Sat 7/55:23 pmSTL - JFK

1 stop6h 50mDelta

Deal found 6/17

$261

Thu 7/101:05 pmJFK - STL

1 stop7h 18mFrontier

Thu 7/172:36 pmSTL - JFK

1 stop9h 06mFrontier

Deal found 6/16

$301

Sun 8/179:00 amJFK - STL

1 stop5h 34mMultiple Airlines

Sun 8/245:10 pmSTL - JFK

1 stop16h 23mMultiple Airlines

Deal found 6/17

$373

Thu 9/44:40 pmJFK - STL

1 stop32h 19mAlaska Airlines

Sat 9/66:00 amSTL - JFK

2 stops23h 09mAlaska Airlines

Deal found 6/18

$514

Thu 7/311:29 amJFK - STL

1 stop25h 01mSun Country Air

Sun 7/66:36 amSTL - JFK

1 stop26h 58mSun Country Air

Deal found 6/17

$525

Last-minute flights from John F Kennedy Intl to St. Louis
Discover last-minute flight deals from John F Kennedy Intl to St. Louis. Data last updated June 18, 2025 and is based on user searches.

Tue 6/176:59 amJFK - STL

1 stop17h 54mFrontier

Thu 6/192:36 pmSTL - JFK

1 stop9h 08mFrontier

Deal found 6/16

$249

Tue 6/246:59 amJFK - STL

1 stop17h 54mFrontier

Sat 6/282:52 pmSTL - JFK

1 stop8h 52mFrontier

Deal found 6/16

$329

Tue 6/244:39 pmJFK - STL

2 stops26h 56mAlaska Airlines

Tue 7/17:32 pmSTL - JFK

1 stop26h 27mAlaska Airlines

Deal found 6/17

$972

Thu 6/2611:27 amJFK - STL

1 stop25h 09mMultiple Airlines

Sun 6/296:36 pmSTL - JFK

3 stops38h 58mMultiple Airlines

Deal found 6/16

$706

Sat 6/285:00 pmJFK - STL

1 stop7h 59mAmerican Airlines

Sat 7/55:20 amSTL - JFK

1 stop7h 19mAmerican Airlines

Deal found 6/17

$315

Sat 6/285:30 pmJFK - STL

1 stop7h 06mDelta

Sat 7/53:42 pmSTL - JFK

1 stop5h 41mDelta

Deal found 6/16

$394

Sat 6/2810:30 amJFK - STL

3 stops13h 15mUnited Airlines

Sat 7/56:33 amSTL - JFK

3 stops15h 16mUnited Airlines

Deal found 6/15

$1,177

Tue 7/112:29 pmJFK - STL

1 stop4h 49mDelta

Sat 7/55:23 pmSTL - JFK

1 stop6h 50mDelta

Deal found 6/17

$261

Thu 7/311:29 amJFK - STL

1 stop25h 01mSun Country Air

Sun 7/66:36 amSTL - JFK

1 stop26h 58mSun Country Air

Deal found 6/17

$525

Fri 7/46:30 amJFK - STL

1 stop6h 29mAmerican Airlines

Mon 7/215:15 amSTL - JFK

1 stop6h 13mAmerican Airlines

Deal found 6/17

$287

Sat 7/1211:29 amJFK - STL

3 stops30h 16mMultiple Airlines

Sun 7/206:05 amSTL - JFK

1 stop27h 29mMultiple Airlines

Deal found 6/15

$446

Tue 7/154:00 pmJFK - STL

2 stops27h 35mAlaska Airlines

Tue 7/227:32 pmSTL - JFK

1 stop10h 30mAlaska Airlines

Deal found 6/16

$612

One-way flights from John F Kennedy Intl to St. Louis
Search for one-way flight options from John F Kennedy Intl to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 18, 2025.

Tue 9/22:30 pmJFK - STL

1 stop8h 47mAmerican Airlines

Deal found 6/18

$114

Fri 8/226:00 amJFK - STL

1 stop7h 21mFrontier

Deal found 6/17

$137

Tue 7/221:30 pmJFK - STL

1 stop6h 17mDelta

Deal found 6/17

$149

Sun 8/3111:33 amJFK - STL

2 stops26h 59mMultiple Airlines

Deal found 6/16

$187

Wed 9/310:00 amJFK - STL

2 stops29h 39mAlaska Airlines

Deal found 6/16

$248

Cheapflights Fare Finder

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

Tue 7/1

12:29 pm-4:18 pm

1 stop4h 49m

Lambert-St Louis

Sat 7/5

5:23 pm-1:13 am

1 stop6h 50m

$261

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sat 9/13

12:00 pm-6:41 pm

1 stop7h 41m

Lambert-St Louis

Fri 9/19

9:56 am-5:17 pm

1 stop6h 21m

$287

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 7/10

1:05 pm-7:23 pm

1 stop7h 18m

Lambert-St Louis

Thu 7/17

2:36 pm-12:42 am

1 stop9h 06m

$301

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sun 8/17

9:00 am-1:34 pm

1 stop5h 34m

Lambert-St Louis

Sun 8/24

5:10 pm-10:33 am

1 stop16h 23m

$373

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 7/3

11:29 am-11:30 am

1 stop25h 01m

Lambert-St Louis

Sun 7/6

6:36 am-10:34 am

1 stop26h 58m

$525

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 9/11

6:36 pm-2:39 pm

1 stop21h 03m

Lambert-St Louis

Sun 9/14

3:35 pm-3:40 pm

2 stops23h 05m

$550

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Tue 9/2

2:30 pm-10:17 pm

1 stop8h 47m

$114

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 8/22

6:00 am-12:21 pm

1 stop7h 21m

$137

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Tue 7/22

1:30 pm-6:47 pm

1 stop6h 17m

$149

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sun 8/31

11:33 am-1:32 pm

2 stops26h 59m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 11 results

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?

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 61% versus a flight in the evening.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from New York to St. Louis, such as Alaska Airlines, Delta and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,964 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Sun Country Air

6.9

Okay

345 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Frontier

5.9

Fair

3,301 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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 American Airlines is currently your cheapest option to St. Louis, with prices starting at $259. Additional round-trip tickets that might be worth considering are offered by Delta and Frontier, with the lowest prices starting at $261 and $301, respectively. American Airlines is currently priced 22% 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 $114 on American Airlines. Other airlines that offer cheap prices include Frontier from $137 and Delta from $149 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 $148. On average you can expect to pay $188. The most popular route, (New York John F Kennedy Intl - Lambert-St Louis), can usually be booked for $200.
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

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Maryland Heights

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Collinsville

Eureka

St. Peters

Glencoe

Festus

Alton

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

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$55	Average$133	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$163	Average$354	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$226	Average$342	FlexibilityNo cancel fee	On-time71%

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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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from John F Kennedy Intl to St. Louis with Cheapflights

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Cheap flight deals from John F Kennedy Intl to 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. LouisExplore 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 June 18, 2025.

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 June 18, 2025.

Cheapflights Fare Finder

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.

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.

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?

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 June 18, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from New York to St. Louis, such as Alaska Airlines, Delta and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

How can I 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?

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

Traveling to a place near New York John F Kennedy Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for John F Kennedy Intl to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

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

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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 June 18, 2025.