Cheap flights from St. Louis to Jacksonville from $79
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Jacksonville departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Southwest flights from St. Louis to Jacksonville
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How to get the cheapest flight ticket from St. Louis to Jacksonville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Jacksonville?
If you are unable to visit Jacksonville during the month of February, then departing from St. Louis during the month May is also very affordable. Most momondo users find prices during this month for around $308.
What is the cheapest day to depart on your flight to Jacksonville?
According to our data, Thursday is the cheapest day to fly to Jacksonville from St. Louis. The lowest ticket price found for a Thursday departure recently was $320. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $403.
What is the cheapest time of day to depart on your flight to Jacksonville?
Flying to Jacksonville from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $288 when looking at flights departing in the evening. Flights to Jacksonville are more costly in the afternoon, with an average ticket price of $376. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Lambert-St Louis to Jacksonville flight route?
Fly from Lambert-St Louis to Jacksonville for the best Lambert-St Louis - Jacksonville flight prices
How far in advance should I book a flight to Jacksonville?
You are more likely to see cheaper flights to Jacksonville from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Jacksonville for around $336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jacksonville from St. Louis for as low as $279 on momondo.
What cabin class options are available on Lambert-St Louis to Jacksonville flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to Jacksonville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on St. Louis to Jacksonville flights?
You could potentially save up to 8% on your flight if you consider stops on a St. Louis to Jacksonville flight.
How have St. Louis to Jacksonville flight prices changed over time?
As of July 2025, prices for St. Louis to Jacksonville flights are approximately 18% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Lambert-St Louis to Jacksonville?
Southwest, Delta, and Frontier are the most popular carriers operating from Lambert-St Louis to Jacksonville
What airlines fly to Jacksonville?
Delta, American Airlines and Southwest are the top three most popular airlines that fly to Jacksonville from St. Louis according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Jacksonville. Keep in mind that there are 4 different airlines that fly to Jacksonville on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Jacksonville on average per day?
The number of flights available between St. Louis and Jacksonville is 1 per day as of July 2025. The most frequent departure time is 8:00PM, with 50% of daily flights leaving at noon.
How many flights depart from St. Louis to Jacksonville on average per week?
8 flights are operational weekly from St. Louis to Jacksonville as of July 2025. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.
When to book flights from St. Louis to Jacksonville
Cheap St. Louis to Jacksonville (STL to JAX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Jacksonville
Best Price Found | $79 |
|---|---|
Fastest flight time | 1h 55m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Jacksonville | 1 airport |
How far is Lambert-St Louis to Jacksonville by plane?
Lambert-St Louis and Jacksonville are 750.5 mi apart from one another. By plane, this route typically takes 1h 55m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Jacksonville Airport?
Prices for flights from Lambert-St Louis Airport to Jacksonville Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Jacksonville Airport?
The number of operators available for flights from Lambert-St Louis Airport to Jacksonville Airport is 3 as of July 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Jacksonville Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Jacksonville Airport.
What documentation or ID do you need to fly to Jacksonville Airport?
The travel and health documents required for your trip to Jacksonville Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Jacksonville Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from St. Louis to Jacksonville?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Jacksonville is Boeing 737-700 Passenger/BBJ1 (winglets), representing 45.05% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 28.83%, Boeing 737-800 Passenger/BBJ2 (winglets) at 21.62%, and Boeing 737-800 at 1.80%.
What is the most popular airline from St. Louis to Jacksonville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Jacksonville is Southwest (45% of total bookings). The next most popular airlines are American Airlines (28%) and Delta (27%).
Best airlines flying from St. Louis to Jacksonville
Compare and see reviews for airlines that fly from St. Louis to Jacksonville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $202 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $244 | Free Cancellation | Rating 8.0 4,266 reviews |
Southwest Flights From St. Louis to Jacksonville
The lowest priced Southwest flight from St. Louis to Jacksonville from the last 72 hours was $244. Generally, Southwest has 8 flights on this route every week with an average price of $362. Southwest is rated 8.0/10 by our users.
Traveling to a place near Jacksonville?
Book flights to Jacksonville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Jacksonville?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Jacksonville from St. Louis.
Can I find flights from St. Louis to Jacksonville with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Jacksonville from St. Louis with this policy.
How can momondo help me find flights from St. Louis to Jacksonville?
Once you have performed a search for St. Louis to Jacksonville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Jacksonville right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Jacksonville from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.