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$58+ 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — STL
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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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

Find 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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 12/41:57 pmJAX - STL
2 stops21h 17mFrontier
Mon 12/810:47 amSTL - JAX
1 stop5h 49mFrontier
Deal found 11/12$208
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Fri 11/217:46 pmJAX - STL
2 stops29h 11mMultiple Airlines
Fri 12/510:42 amSTL - JAX
1 stop5h 58mMultiple Airlines
Deal found 11/12$227
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Fri 12/511:31 amJAX - STL
2 stops23h 43mFrontier
Mon 12/810:47 amSTL - JAX
1 stop5h 49mFrontier
Deal found 11/13$232
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/43:40 pmJAX - STL
1 stop7h 18mUnited Airlines
Mon 12/88:30 amSTL - JAX
1 stop5h 28mUnited Airlines
Deal found 11/12$271
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:58 amJAX - STL
1 stop6h 02mDelta
Fri 1/27:02 pmSTL - JAX
1 stop3h 54mDelta
Deal found 11/11$285
This Southwest deal was found by Cheapflights users on 11/12. 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.
Wed 12/106:10 pmJAX - STL
Nonstop2h 20mSouthwest
Fri 12/125:10 amSTL - JAX
1 stop6h 10mSouthwest
Deal found 11/12$290
This Southwest deal was found by Cheapflights users on 11/12. 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.
Thu 12/46:10 amJAX - STL
2 stops7h 25mSouthwest
Mon 12/81:20 pmSTL - JAX
2 stops6h 55mSouthwest
Deal found 11/12$291
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:31 pmJAX - STL
1 stop4h 31mDelta
Sun 12/147:05 amSTL - JAX
1 stop5h 37mDelta
Deal found 11/11$294
This Southwest deal was found by Cheapflights users on 11/12. 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.
Tue 12/306:05 amJAX - STL
1 stop3h 45mSouthwest
Tue 1/138:55 amSTL - JAX
2 stops8h 15mSouthwest
Deal found 11/12$295
This Southwest deal was found by Cheapflights users on 11/11. 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.
Sun 12/145:30 pmJAX - STL
1 stop6h 45mSouthwest
Mon 12/156:10 pmSTL - JAX
Nonstop1h 55mSouthwest
Deal found 11/11$299
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Fri 12/58:10 amJAX - STL
1 stop7h 13mUnited Airlines
Mon 12/86:15 amSTL - JAX
1 stop8h 21mUnited Airlines
Deal found 11/13$304

Cheap 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$208
(Kiwi.com)

One-way from

$58
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$383

Good round-trip deal

$327 or less

Good one-way deal

$173 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 ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 13, 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

Tue 2/3

3:16 pm-8:39 pm

1 stop6h 23m

Lambert-St Louis

Wed 2/4

1:05 pm-8:43 pm

1 stop6h 38m

$253

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Tue 2/3

10:30 am-4:50 pm

2 stops7h 20m

Lambert-St Louis

Wed 2/4

10:25 am-6:10 pm

1 stop6h 45m

$268

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 12/4

3:40 pm-9:58 pm

1 stop7h 18m

Lambert-St Louis

Mon 12/8

8:30 am-2:58 pm

1 stop5h 28m

$271

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 12/4

2:41 pm-9:47 pm

1 stop8h 06m

Lambert-St Louis

Mon 12/8

6:52 am-12:12 pm

1 stop4h 20m

$271

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 12/4

6:10 pm-7:30 pm

Nonstop2h 20m

Lambert-St Louis

Mon 12/8

10:15 am-5:00 pm

1 stop5h 45m

$271

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 2/19

5:49 pm-11:38 pm

1 stop6h 49m

Lambert-St Louis

Mon 2/23

1:10 pm-8:43 pm

1 stop6h 33m

$271

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 12/10

5:16 pm-9:58 pm

1 stop5h 42m

Lambert-St Louis

Fri 12/12

3:19 pm-9:32 pm

1 stop5h 13m

$285

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 12/24

3:12 pm-10:16 pm

1 stop8h 04m

Lambert-St Louis

Sun 1/4

5:13 pm-10:43 pm

1 stop4h 30m

$285

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 12/24

11:58 am-5:00 pm

1 stop6h 02m

Lambert-St Louis

Fri 1/2

7:02 pm-11:56 pm

1 stop3h 54m

$285

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Sun 12/14

5:05 am-10:45 am

1 stop6h 40m

Lambert-St Louis

Wed 12/17

11:40 am-7:03 pm

1 stop6h 23m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 20 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 November.
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 November 7, 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 $263). 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 November 13, 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 November 2, 2025.

Travelers seeking maximum savings on their Jacksonville to St. Louis flight should consider departing on Tuesday mornings 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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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 November 13, 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
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 20m for a nonstop flight. There are 2 flights 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 22 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?

    Delta, Southwest, and United Airlines can get you from Jacksonville to St. Louis in just under 6h 23m. Your travel time can differ by up to 57m. 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 $194, 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 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

    On average you can expect to pay $311 for a flight from Jacksonville to St. Louis. The cheapest flight overall is $135 while the most popular route, (Jacksonville - Lambert-St Louis) is currently priced at $227.

  • 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 $263). 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 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$194Average$280FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$214Average$311FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$218Average$318FlexibilityNo cancel feeOn-time71%

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