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$62+ Cheap flights from Jacksonville to St. Louis (JAX - 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — STL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Jacksonville to Lambert-St Louis are usually found in July or August, booked 29 days in advance, depart on a Tuesday or Friday and return on a Friday

Cheap flight deals from Jacksonville to St. Louis

Cheapest flights from Jacksonville to St. Louis
Explore the most affordable flight options available from Jacksonville to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Delta deal was found by Cheapflights users on 12/9. 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.
Wed 12/311:44 pmJAX - STL
1 stop3h 44mDelta
Thu 1/17:00 amSTL - JAX
1 stop4h 38mDelta
Deal found 12/9$337
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/319:33 amJAX - STL
2 stops7h 50mAmerican Airlines
Thu 1/15:30 amSTL - JAX
1 stop5h 26mAmerican Airlines
Deal found 12/10$342
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/204:55 pmJAX - STL
1 stop7h 01mAmerican Airlines
Sat 1/35:00 amSTL - JAX
1 stop5h 59mAmerican Airlines
Deal found 12/11$344
This Delta deal was found by Cheapflights users on 12/10. 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 12/266:41 pmJAX - STL
1 stop6h 01mDelta
Sun 1/47:02 pmSTL - JAX
1 stop3h 54mDelta
Deal found 12/10$367
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/256:00 amJAX - STL
1 stop4h 59mAmerican Airlines
Mon 12/295:00 amSTL - JAX
1 stop5h 59mAmerican Airlines
Deal found 12/10$397
This Southwest deal was found by Cheapflights users on 12/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:40 pmJAX - STL
Nonstop2h 15mSouthwest
Sun 1/45:40 amSTL - JAX
1 stop7h 20mSouthwest
Deal found 12/10$404
This Southwest deal was found by Cheapflights users on 12/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:00 amJAX - STL
1 stop4h 00mSouthwest
Sat 1/31:00 pmSTL - JAX
Nonstop1h 55mSouthwest
Deal found 12/11$430
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:20 amJAX - STL
2 stops9h 34mUnited Airlines
Sat 1/33:10 pmSTL - JAX
1 stop5h 32mUnited Airlines
Deal found 12/11$436
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:37 pmJAX - STL
1 stop7h 08mUnited Airlines
Sat 12/133:13 pmSTL - JAX
1 stop5h 19mUnited Airlines
Deal found 12/10$451

Find flight deals from Jacksonville to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$295
(United Airlines)

One-way from

$62
(Trip.com)

Popular in

March

Cheapest in

July

Average price

$386

Good round-trip deal

$377 or less

Good one-way deal

$192 or less
Provider with most accurate pricing for Jacksonville-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville-Lambert-St Louis flights.
Search Deals
From Jacksonville to Lambert-St Louis
Search Deals
One-way flight from Jacksonville to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Jacksonville to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Jacksonville to Lambert-St Louis.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville 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 December 12, 2025.
Use the filters below to find and compare flights from Jacksonville to St. Louis that are best for you.

Fly from

Jacksonville

Fly to

St. Louis

Route

Depart

Return

Price

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 1/15

7:35 am-8:55 am

Nonstop2h 20m

Lambert-St Louis

Mon 1/19

7:20 pm-10:15 pm

Nonstop1h 55m

$291

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 2/4

5:05 pm-10:00 pm

1 stop5h 55m

Lambert-St Louis

Thu 2/5

6:00 am-3:38 pm

1 stop8h 38m

$295

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Sat 1/10

11:40 am-1:00 pm

Nonstop2h 20m

Lambert-St Louis

Wed 1/14

2:35 pm-8:35 pm

1 stop5h 00m

$295

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 1/7

11:53 am-3:04 pm

1 stop4h 11m

Lambert-St Louis

Wed 1/14

9:33 am-5:20 pm

1 stop6h 47m

$299

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Sat 1/17

6:30 am-11:02 am

1 stop5h 32m

Lambert-St Louis

Mon 1/19

6:57 pm-11:58 pm

1 stop4h 01m

$301

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 2/4

11:50 am-6:45 pm

2 stops7h 55m

Lambert-St Louis

Thu 2/5

7:50 am-3:40 pm

2 stops6h 50m

$315

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Fri 3/6

5:58 pm-8:41 pm

1 stop3h 43m

Lambert-St Louis

Mon 3/9

6:00 am-12:05 pm

1 stop5h 05m

$317

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Fri 3/6

6:00 am-10:59 am

1 stop5h 59m

Lambert-St Louis

Mon 3/9

7:05 am-3:05 pm

1 stop7h 00m

$317

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Fri 3/6

6:15 am-7:35 am

Nonstop2h 20m

Lambert-St Louis

Mon 3/9

2:15 pm-10:05 pm

1 stop6h 50m

$337

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 2/11

7:30 am-11:54 am

1 stop5h 24m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 results
1
2

Compare providers for flights from Jacksonville to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Jacksonville to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Jacksonville-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Jacksonville-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Jacksonville-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Jacksonville-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Jacksonville-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Jacksonville to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Jacksonville 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 Jacksonville to St. Louis

How far ahead should I book a flight from Jacksonville to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Jacksonville to St. Louis. Price data was last updated on December 5, 2025.

The best time to book flights from Jacksonville to St. Louis is 29 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 Jacksonville to St. Louis?

Currently, April is the cheapest month in which you can book a flight from Jacksonville to St. Louis (average of $139). Flying from Jacksonville to St. Louis in November is currently the most expensive (average of $259). 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 JAX to STL?

Find hourly flight availability from Jacksonville 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 December 12, 2025.

When flying from Jacksonville to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight at noon.

What is the cheapest day to fly from Jacksonville to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Jacksonville to St. Louis. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Jacksonville to St. Louis flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Jacksonville to St. Louis flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Jacksonville to St. Louis trip
Airports
JAX

JAX offers quick screening times at TSA and easy check-in, making it convenient for early morning departures.

Read more about JAXBy Matt Meltzer
STL

Use the MetroLink light rail for a convenient and economical way to reach downtown St. Louis from STL.

Read more about STLBy Taryn White
Our travel experts
Matt Meltzer

Matt Meltzer

Expert on JAX

Matt Meltzer

Matt Meltzer

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

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 December 12, 2025.
Read through reviews of airlines operating flights from Jacksonville to St. Louis, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Jacksonville 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 airports do I use to fly from Jacksonville to St. Louis?

    If you book a flight from Jacksonville to St. Louis, you will be flying from Jacksonville to Lambert-St Louis. Flights to Lambert-St Louis (STL) from Jacksonville (JAX) take 2h 10m for a nonstop flight. There is 1 flight from Jacksonville to St. Louis per day from 3 airlines.

  • How popular is this Jacksonville to St. Louis flight route?

    The Jacksonville to Lambert-St Louis flight path was viewed by 19 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Jacksonville to St. Louis?

    Southwest, United Airlines, and American Airlines can get you from Jacksonville to St. Louis in just under 2h 20m. Your travel time can differ by up to 3h 35m. There are 753 mi between Jacksonville and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Jacksonville to St. Louis round-trip?

    Delta, at $169, was found to be the cheapest airline from Jacksonville to St. Louis.Alternate airlines to your destination round-trip include Southwest and American Airlines. Delta is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Jacksonville to St. Louis one-way?

    The cheapest airlines for a one-way flight from Jacksonville to St. Louis are Southwest ($101), Delta ($109), and American Airlines ($109).

  • What are the cheapest flights from Jacksonville to St. Louis?

    On average you can expect to pay $370 for a flight from Jacksonville to St. Louis. The cheapest flight overall is $174 while the most popular route, (Jacksonville - Lambert-St Louis) is currently priced at $317.

  • Can I find deals for flights from Jacksonville to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Jacksonville to St. Louis?

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

  • Can I find deals for business class flights from Jacksonville to St. Louis?

    Yes. Cheapflights offers flight deals from Jacksonville 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 Jacksonville to St. Louis?

    Currently, April is the cheapest month in which you can book a flight from Jacksonville to St. Louis (average of $139). Flying from Jacksonville to St. Louis in November is currently the most expensive (average of $259). 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
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 3 airlines flying from Jacksonville to St. Louis

Discover the top 3 airlines that operate flights from Jacksonville 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$270FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$214Average$308FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$218Average$288FlexibilityNo cancel feeOn-time71%

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