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$102+ Cheap flights from St. Louis to Jacksonville (STL - JAX)

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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — JAX
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Jacksonville are usually found in February or April, booked 85 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from St. Louis to Jacksonville

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Jacksonville (JAX). 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

July

Cheapest in

February

Average price

$348

Good round-trip deal

$284 or less
Provider with most accurate pricing for Lambert-St Louis-Jacksonville flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Jacksonville flights.
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From Lambert-St Louis to Jacksonville
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One-way flight from Lambert-St Louis to Jacksonville
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Jacksonville.
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Find flight deals from St. Louis to Jacksonville

Cheapest flights from St. Louis to Jacksonville
Explore the most affordable flight options available from St. Louis to Jacksonville. 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 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/217:03 pmSTL - JAX
1 stop4h 02mAmerican Airlines
Thu 4/245:03 amJAX - STL
1 stop4h 27mAmerican Airlines
Deal found 3/24$203
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.
Fri 7/46:00 amSTL - JAX
1 stop4h 51mDelta
Sun 7/66:10 amJAX - STL
1 stop4h 29mDelta
Deal found 3/24$219
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:30 amSTL - JAX
2 stops7h 32mUnited Airlines
Thu 5/158:00 amJAX - STL
1 stop7h 47mUnited Airlines
Deal found 3/24$224
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:10 pmSTL - JAX
Nonstop1h 55mSouthwest
Thu 5/157:25 pmJAX - STL
Nonstop2h 20mSouthwest
Deal found 3/24$277
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.
Thu 5/1510:10 amSTL - JAX
2 stops28h 19mMultiple Airlines
Mon 5/1912:40 pmJAX - STL
3 stops24h 05mMultiple Airlines
Deal found 3/24$425

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Jacksonville 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 St. Louis to Jacksonville that are best for you.

Fly from

St. Louis

Fly to

Jacksonville

Route

Depart

Return

Price

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Mon 4/21

7:03 pm-12:05 am

1 stop4h 02m

Jacksonville

Thu 4/24

5:03 am-8:30 am

1 stop4h 27m

$203

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Wed 4/23

5:35 pm-11:28 pm

1 stop4h 53m

Jacksonville

Sat 4/26

7:05 am-2:41 pm

1 stop8h 36m

$219

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Mon 4/21

7:10 am-1:55 pm

1 stop5h 45m

Jacksonville

Mon 4/28

7:35 am-11:45 am

1 stop5h 10m

$239

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Tue 5/13

7:10 pm-10:05 pm

Nonstop1h 55m

Jacksonville

Thu 5/15

7:25 pm-8:45 pm

Nonstop2h 20m

$277

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 5/15

10:10 am-3:29 pm

2 stops28h 19m

Jacksonville

Mon 5/19

12:40 pm-11:45 am

3 stops24h 05m

$425

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sat 4/26

5:00 am-1:13 pm

1 stop7h 13m

$102

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Thu 4/24

5:32 pm-12:08 am

1 stop5h 36m

$110

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Tue 4/29

10:40 am-9:20 pm

2 stops9h 40m

$112

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sun 5/25

7:00 pm-9:55 pm

Nonstop1h 55m

$136

St. LouisJacksonville

STL - JAX

STLJAX

Lambert-St Louis

Sun 5/11

10:10 am-5:29 pm

2 stops30h 19m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from St. Louis to Jacksonville

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 St. Louis to Jacksonville 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 St. Louis-Jacksonville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Jacksonville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Jacksonville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Jacksonville 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 St. Louis-Jacksonville 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 St. Louis to Jacksonville

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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Jacksonville. Price data was last updated on March 21, 2025.

The price you pay for your flight from St. Louis to Jacksonville may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Jacksonville?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Jacksonville (average of $278). Flying from St. Louis to Jacksonville in March is currently the most expensive (average of $365). 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 STL to JAX?

Find hourly flight availability from St. Louis to Jacksonville. 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.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Jacksonville at noon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Jacksonville. Price data was last updated on March 16, 2025.

Travelers seeking maximum savings on their St. Louis to Jacksonville flight should consider departing on Thursday evenings 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.

Rainfall in Jacksonville by month

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

In terms of precipitation, rainfall in Jacksonville ranges from 2.1 - 8.2 inches per month. September is typically the wettest month, when rainfall can reach 8.2 in. November is typically the driest time to visit Jacksonville when rainfall is around 2.1 in.

Temperature in Jacksonville by month

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

If weather is an important factor for your trip to Jacksonville, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Jacksonville

Get insights into the airlines that provide service to Jacksonville. 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 Jacksonville. Reviews last updated March 25, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from St. Louis to Jacksonville have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

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

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

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

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

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

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

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

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

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 St. Louis to Jacksonville. 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 St. Louis to Jacksonville flight route?

    Flights from Lambert-St Louis to Jacksonville have been viewed 4 times in the past calendar month.

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

    According to our current data, American Airlines ($203), United Airlines ($219), and Delta ($239) offers the cheapest pricing from St. Louis to Jacksonville. You may be able to fly from St. Louis to Jacksonville for 39% less than the average price by searching for these airlines.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $102. Users have also found prices from $110 and $112 on Delta and United Airlines, respectively.

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

    Looking for the cheapest flight from St. Louis to Jacksonville? While on average our users pay $328, our data indicates the cheapest price to be $271. The most popular route (Lambert-St Louis - Jacksonville), is priced around $219.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Jacksonville (average of $278). Flying from St. Louis to Jacksonville in March is currently the most expensive (average of $365). 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
Jacksonville Beach
Orange Park
Kingsland
Waycross
Fernandina Beach

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Top 3 airlines flying from St. Louis to Jacksonville

Discover the top 3 airlines that operate flights from St. Louis to Jacksonville. 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
American AirlinesCheapest$218Average$337FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$338FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$284Average$381FlexibilityNo cancel feeOn-time63%
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