Cheap flights from Seattle / Tacoma International to Jacksonville International

Compare Seattle / Tacoma International to Jacksonville International flight deals

Find the cheapest month or even day of the year to fly to Jacksonville International

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Flight deals from Seattle / Tacoma International to Jacksonville International

Looking for a cheap last-minute deal or the best round-trip flight from Seattle / Tacoma International to Jacksonville International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Jacksonville International

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

Direct flights from Seattle / Tacoma International to Jacksonville International

Seattle / Tacoma International to Jacksonville International: Alternative routes

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

Seattle to Jacksonville: Flight information

The things to know before you go.
Cheapest flight foundC$466
Cheapest month to flySeptember
Average flight time5 hrs, 19 mins
Most popular airlineAmerican Airlines
Average flights per week1

Finding cheap flights from Seattle / Tacoma International to Jacksonville International: Frequently asked questions

The best price we found for a round-trip flight from Seattle / Tacoma International to Jacksonville International is C$466. 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.
5 hours and 19 minutes is the average flight time from Seattle / Tacoma International to Jacksonville International.
American Airlines flies direct from Seattle / Tacoma International to Jacksonville International.
There is one flight per week flying from Seattle / Tacoma International to Jacksonville International, as of July 2025.
The cheapest month to fly from Seattle / Tacoma International to Jacksonville International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Jacksonville International Airport on Wednesday, September 17, 2025.
Yes – the average flight time is 5 hours and 19 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 Jacksonville International 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 Jacksonville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to Jacksonville International.

Flying from Seattle-Tacoma International Airport (SEA) to Jacksonville International Airport (JAX): what you need to know

  • The timezone in Jacksonville is UTC-4, which is three hours ahead of Seattle.

  • Arrive at the airport on time so you don't miss your SEA to JAX flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • 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 is a wise move.

  • Think about adding a stopover when booking your ticket from Seattle-Tacoma International Airport to Jacksonville International Airport. Simply deselect 'Direct flights only' to break up your journey, or visit a new city along the way. Here are some options between SEA and JAX:

    • Dallas Love Field Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Denver International Airport

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Jacksonville International Airport (JAX)

  • The lowest price we've seen for a one-way Seattle-Tacoma International Airport to Jacksonville International Airport flight is C$201. A round-trip fare is currently C$466. Depending on the availability when you book, these fares could change.

  • To score cheap tickets from SEA to JAX, book as early as you can. Airlines typically offer their best fares when flights are first released.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the cheapest price in each month when looking for a flight from Seattle-Tacoma International Airport to Jacksonville International Airport.

  • You don't need to check every day to see if fares have gone down when you set up a Price Alert. We'll notify you the moment a special offer becomes available on cheap flights from SEA to JAX.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Seattle-Tacoma International Airport to Jacksonville International Airport.

Handy information about Seattle-Tacoma International Airport (SEA)

  • 81.27% of flights leaving Seattle-Tacoma International Airport touch down at their destination as planned. With its reliable on-time performance, you're unlikely to face delays when setting off from SEA.

  • Central Seattle to Seattle-Tacoma International Airport is around 23 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Planning to catch public transport? Expect a trip time of around 55 minutes.

  • Have an early flight from Seattle-Tacoma International Airport to Jacksonville International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these stays near SEA:

Arriving at Jacksonville International Airport (JAX)

Getting from Jacksonville International Airport (JAX) to central Jacksonville

  • JAX is located at 2400 Yankee Clipper Drive.

  • Jacksonville International Airport is approximately 23 kilometres from the centre of Jacksonville. The drive time takes about 15 minutes.

  • Travelling to the centre by public transport takes about 1 hour 20 minutes.

When to fly to Jacksonville International Airport (JAX)

  • The quietest month for a flight from Seattle-Tacoma International Airport to Jacksonville International Airport is May, while July is the busiest. Pick the best time to visit Jacksonville based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When reserving your flight from Seattle-Tacoma International Airport to Jacksonville International Airport, think about the kind of weather you like. July is the warmest month in Jacksonville, with temperatures ranging from 23ºC (73ºF) to 34ºC (93ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from SEA to JAX in January. Average temperatures are between 5ºC (41ºF) and 21ºC (70ºF) then.

Explore more of United States

  • Jacksonville has plenty going for it, but there are so many other parts of United States you'll want to see. Around 467 kilometres north-west of Jacksonville, a trip to Atlanta will keep your itinerary busy. Start with leading sights like Georgia Aquarium, Centennial Olympic Park and Piedmont Park.

  • If there's time to check out another great destination in United States, consider Tampa, about 274 kilometres south of Jacksonville. Ybor City Tattoo Company, Tampa Riverwalk and The Florida Aquarium are among the biggest draws.

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