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$102+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — STL
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 May or August, booked 82 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(American Airlines)

One-way from

$102
(American Airlines)

Popular in

March

Cheapest in

May

Average price

$445

Good round-trip deal

$347 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Jacksonville-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Jacksonville-Lambert-St Louis flights.
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From Jacksonville to Lambert-St Louis
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One-way flight from Jacksonville to Lambert-St Louis
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Jacksonville to Lambert-St Louis.
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Price to beat on a one-way flight from Jacksonville to Lambert-St Louis.
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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 March 25, 2025.

This American Airlines deal was found by Cheapflights users on 3/23. 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 4/266:30 amJAX - STL
1 stop7h 22mAmerican Airlines
Tue 4/297:19 amSTL - JAX
1 stop6h 34mAmerican Airlines
Deal found 3/23$203
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/18:00 amJAX - STL
1 stop5h 20mUnited Airlines
Mon 5/59:40 amSTL - JAX
2 stops9h 24mUnited Airlines
Deal found 3/23$218
This Delta deal was found by Cheapflights users on 3/24. 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 4/235:35 amJAX - STL
1 stop5h 01mDelta
Sun 4/276:00 amSTL - JAX
1 stop3h 22mDelta
Deal found 3/24$219
This Southwest deal was found by Cheapflights users on 3/23. 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 4/208:00 amJAX - STL
Nonstop2h 10mSouthwest
Mon 4/217:45 pmSTL - JAX
Nonstop1h 55mSouthwest
Deal found 3/23$275
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Wed 5/149:30 amJAX - STL
2 stops24h 45mMultiple Airlines
Sun 5/187:30 amSTL - JAX
1 stop27h 13mMultiple Airlines
Deal found 3/24$567

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 March 25, 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

Sat 4/26

6:30 am-12:52 pm

1 stop7h 22m

Lambert-St Louis

Tue 4/29

7:19 am-2:53 pm

1 stop6h 34m

$203

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 5/1

8:00 am-12:20 pm

1 stop5h 20m

Lambert-St Louis

Mon 5/5

9:40 am-8:04 pm

2 stops9h 24m

$218

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 4/23

5:35 am-9:36 am

1 stop5h 01m

Lambert-St Louis

Sun 4/27

6:00 am-10:22 am

1 stop3h 22m

$219

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Sun 4/20

8:00 am-9:10 am

Nonstop2h 10m

Lambert-St Louis

Mon 4/21

7:45 pm-10:40 pm

Nonstop1h 55m

$275

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Wed 5/14

9:30 am-9:15 am

2 stops24h 45m

Lambert-St Louis

Sun 5/18

7:30 am-11:43 am

1 stop27h 13m

$567

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 4/24

5:03 am-8:30 am

1 stop4h 27m

$102

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Thu 5/29

8:00 am-12:20 pm

1 stop5h 20m

$107

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Mon 4/28

6:43 pm-11:34 pm

1 stop5h 51m

$110

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Sun 5/25

9:05 am-10:15 am

Nonstop2h 10m

$136

JacksonvilleSt. Louis

JAX - STL

JAXSTL

Jacksonville

Mon 4/28

1:20 pm-5:15 pm

2 stops28h 55m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-St. Louis flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 is known for quick screening times at TSA, making it one of the most convenient airports in Florida for 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 airport.

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

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 March 21, 2025.

The best time to book flights from Jacksonville to St. Louis is 78 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, August is the cheapest month in which you can book a flight from Jacksonville to St. Louis (average of $311). Flying from Jacksonville 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 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 March 25, 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 afternoon, which can drop the price by up to 11% versus a flight in the evening.

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 March 16, 2025.

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

Rainfall in St. Louis by month

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

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

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 March 25, 2025.
To help decide which airline to fly from Jacksonville to St. Louis, see what other customers have to say about Southwest, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

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

    The Jacksonville to Lambert-St Louis flight path was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    American Airlines, at $203, was found to be the cheapest airline from Jacksonville to St. Louis.Alternate airlines to your destination round-trip include Delta and United Airlines. American Airlines is 42% 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 American Airlines ($102), United Airlines ($107), and Delta ($110).

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

    On average you can expect to pay $331 for a flight from Jacksonville to St. Louis. The cheapest flight overall is $155 while the most popular route, (Jacksonville - Lambert-St Louis) is currently priced at $213.

  • 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, August is the cheapest month in which you can book a flight from Jacksonville to St. Louis (average of $311). Flying from Jacksonville 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 Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

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Top 4 airlines flying from Jacksonville to St. Louis

Discover the top 4 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$400FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$218Average$332FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$344FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$284Average$373FlexibilityNo cancel feeOn-time63%
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