Cheap flights from Jacksonville to St. Louis from $73
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to St. Louis departing on 10/13. 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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Delta flights from Jacksonville to St. Louis
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Southwest flights from Jacksonville to St. Louis
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How to get the cheapest flight ticket from Jacksonville to St. Louis
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 St. Louis?
In general, July is the cheapest month to fly from Jacksonville to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $284. The month of April is another great option to travel to St. Louis, with average flight prices from Jacksonville averaging around $298.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $341. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $456. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Jacksonville in the evening is the least expensive time of day to depart. momondo users have found prices as low as $381 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $446 per ticket.
What is the cheapest Jacksonville to Lambert-St Louis flight route?
Fly from Jacksonville to Lambert-St Louis for the best Jacksonville - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $340 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Jacksonville for as low as $218 on momondo.
What cabin class options are available on Jacksonville to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Jacksonville to Lambert-St Louis 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 Jacksonville to St. Louis flights?
No. A direct flight is the cheapest option for a flight between Jacksonville to St. Louis.
How have Jacksonville to St. Louis flight prices changed over time?
As of June 2025, prices for Jacksonville to St. Louis flights are approximately 21% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Jacksonville to Lambert-St Louis?
Frontier, Southwest, and Delta are the most popular carriers operating from Jacksonville to Lambert-St Louis
What airlines fly to St. Louis?
Southwest, Delta and American Airlines are the top three most popular airlines that fly to St. Louis from Jacksonville according to our data. Southwest is the first choice among our users, with 40% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Jacksonville to St. Louis on average per day?
The number of flights available between Jacksonville and St. Louis is 1 per day as of June 2025. The most frequent departure time is 7:00AM, with 50% of daily flights leaving at noon.
How many flights depart from Jacksonville to St. Louis on average per week?
The number of flights available between Jacksonville and St. Louis is 10 per week as of June 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.
When to book flights from Jacksonville to St. Louis
Cheap Jacksonville to St. Louis (JAX to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Jacksonville to St. Louis
How far is Jacksonville to Lambert-St Louis by plane?
A flight from Jacksonville to Lambert-St Louis will travel around 750.5 mi. A reasonable flight in good conditions will take 2h 10m.
When did momondo last update prices for flights from Jacksonville Airport to Lambert-St Louis Airport?
Prices for flights from Jacksonville Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Jacksonville Airport to Lambert-St Louis Airport?
There are 4 operators available for flights from Jacksonville Airport to Lambert-St Louis Airport as of June 2025.
How old do you have to be to fly from Jacksonville Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Jacksonville Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Jacksonville to St. Louis?
Based on momondo bookings for flights between Jacksonville and St. Louis, the leading plane model is Boeing 737-700 Passenger/BBJ1 (winglets), making up 34.30% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 25.12%, Boeing 737 MAX 8 with 10.14%, and Airbus A220-300 with 5.80%.
What is the most popular airline from Jacksonville to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Jacksonville to St. Louis is Southwest (47% of total bookings). The next most popular airlines are Delta (33%), American Airlines (18%), and United Airlines (2%).
Best airlines flying from Jacksonville to St. Louis
Compare and see reviews for airlines that fly from Jacksonville to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 7.4 8,852 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 8.0 7,973 reviews | |||
| PriceFrom $227 | Free Cancellation | Rating 8.0 4,278 reviews |
Southwest Flights From Jacksonville to St. Louis
Southwest flies from Jacksonville to St. Louis around 10 times per week, with 4,278 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Jacksonville to St. Louis in the last 72 hours was $227 (round-trip), much lower than the average airfare cost of $337 for Southwest flights on this route.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Jacksonville to St. Louis?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Jacksonville to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from Jacksonville to St. Louis with flexible booking policies on momondo?
momondo does allow users to show only those flights to St. Louis from Jacksonville which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Jacksonville to St. Louis?
Once you have performed a search for Jacksonville to St. Louis 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 Jacksonville to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Jacksonville to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.