Cheap Flights from Jacksonville International to St Louis

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Flight deals from Jacksonville International to St Louis

Looking for a cheap last-minute deal or the best return flight from Jacksonville International to St Louis? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Jacksonville International to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Jacksonville International to St Louis flights are currently cheapest in July.

Direct flights from Jacksonville International to St Louis

Jacksonville International to St Louis: Alternative routes

Compare routes from Jacksonville International to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Jacksonville to St Louis: Flight information

The things to know before you go.
Cheapest flight foundRs24,810
Cheapest month to flyJuly
Average flight time2 hrs, 14 mins
Most popular airlineSouthwest Airlines
Average flights per week13

Finding cheap flights from Jacksonville International to St Louis: Frequently asked questions

The best price we found for a return flight from Jacksonville International to St Louis is Rs49,796. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 14 minutes is the average flight time from Jacksonville International to St Louis.
Southwest Airlines flies direct from Jacksonville International to St Louis.
As of May 2025, there are 13 flights per week flying from Jacksonville International to St Louis.
The cheapest month to fly from Jacksonville International to St Louis is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Jacksonville International Airport to St Louis Airport on Sunday, 22 June 2025.
Yes – the average flight time is 2 hours and 14 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and Southwest Airlines offer the cheapest flight tickets to St Louis.

Travelling from Jacksonville International Airport (JAX) to Lambert-St. Louis International Airport (STL): what you need to know

  • The average duration of a direct flight from Jacksonville International Airport to Lambert-St. Louis International Airport is 2 hours 15 minutes.

  • St Louis is one hour behind Jacksonville and follows the UTC-5 timezone.

  • Flights from JAX to STL start from 07:15 — the first with Southwest Airlines. The last service of the day is at 20:45 with Southwest Airlines. In total, you can take your pick of five weekly Jacksonville International Airport to Lambert-St. Louis International Airport flights.

  • Your JAX to STL flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • You'll likely experience longer queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • Southwest Airlines is your gateway to discovering St Louis (and perhaps some other great corners of United States!). Browse the direct flights from Jacksonville International Airport to Lambert-St. Louis International Airport offered by this airline.

  • The majority of travellers choose to travel with Southwest Airlines on this route.

  • The most punctual carrier operating JAX to STL flights is Southwest Airlines. Its services arrive as planned 79.59% of the time.

  • If you want to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from Jacksonville International Airport to Lambert-St. Louis International Airport. These are the top stopovers between JAX and STL:

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

    • Chicago Midway International Airport

How to find the cheapest flights from Jacksonville International Airport (JAX) to Lambert-St. Louis International Airport (STL)

  • Rs24,810 is the best price for a one-way Jacksonville International Airport to Lambert-St. Louis International Airport flight. Return flights start from Rs49,796. These fares may change depending on availability and demand.

  • To secure cheap tickets from JAX to STL, reserve your trip six months before your planned departure.

  • Organise your trip for May. That's the cheapest month for flights from Jacksonville International Airport to Lambert-St. Louis International Airport. If you're flexible with your dates, try out the 'Whole month' tool to see the lowest airfare across each month.

  • You don't need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll update you as soon as there's a new deal on cheap flights from JAX to STL.

  • Tailor your flights with filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Jacksonville International Airport to Lambert-St. Louis International Airport.

Handy information about Jacksonville International Airport (JAX)

  • JAX is located at 2400 Yankee Clipper Drive.

  • 80.42% of flights departing from Jacksonville International Airport touch down at their destination on schedule. Given its reliable on-time performance, delays are unlikely when setting off from JAX.

  • Jacksonville International Airport is about 23 kilometres from central Jacksonville. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

  • Catching public transport? Expect a journey time of around 1 hour 20 minutes.

  • Need a convenient hotel close to JAX? If you're boarding an early flight from Jacksonville International Airport to Lambert-St. Louis International Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • The address for STL is 10701 Lambert International Blvd..

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometres away. It takes around 20 minutes to get to the centre driving.

  • If you're taking public transport, expect a journey of roughly 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • The quietest month for a flight from Jacksonville International Airport to Lambert-St. Louis International Airport is April, while July is the most popular. Choose the ideal time to visit St Louis based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Jacksonville International Airport to Lambert-St. Louis International Airport for July if you'd like to explore St Louis during its warmest month. Expect temperatures of between 17ºC and 33ºC.

  • January sees average temperatures of between -8ºC and 7ºC. Look for cheap tickets from JAX to STL around that time if you like cooler conditions.

Explore more of United States

  • St Louis has loads to offer, but there are so many other parts of United States just waiting to be explored. About 418 kilometres north-east of St Louis, a trip to Chicago will keep you on the go. Start with leading sights like Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 370 kilometres east of St Louis, Indianapolis is another essential stop in United States. Experience the best of this destination with a visit to The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.