Cheap Flights from Jacksonville (JAX) to Seattle (SEA)

View AU$322 flight on Tue, 24 Mar. 2026Opens in a new window

Popular airlines from Jacksonville International Airport (JAX) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Jacksonville (JAX) to Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Jacksonville (JAX) to Seattle (SEA)

September is typically the cheapest month to fly

From AU$307 - AU$959 per traveller.

Graph displaying average flight prices per month

Flight from Jacksonville to Seattle route information
Origin airport
Jacksonville Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3902 km
Average flight time
8 hours 25 mins

Your quick guide to flights from Jacksonville to Seattle

Pick up great flights from Jacksonville to Seattle

With Expedia, you have your pick of flights a day with 7 airlines covering flights from Jacksonville to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Jacksonville to Seattle that take around hours.

Find cheap flights from Jacksonville to Seattle

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Jacksonville to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in .

Reasons to book your flight from Jacksonville to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Jacksonville to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from JAX to Seattle - Tacoma Intl. Airport (SEA)?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Jacksonville Intl. Airport and Sea-Tac Airport start from . Make your booking today to secure the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from JAX to Sea-Tac Airport?
This can differ between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are easy instructions on how to cancel your flight online.
How do I find cheap flights from Jacksonville Intl. Airport to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Jacksonville Intl. Airport to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Jacksonville Intl. Airport to SEA?
The flight distance from JAX to Sea-Tac Airport is 3 900 kilometres. Bring along a drink, some snacks and something to read. Keep yourself entertained and time will zip by.
Which airlines fly direct from JAX to Sea-Tac Airport?
Unfortunately, there aren't any airlines that directly fly between Jacksonville Intl. Airport and Seattle - Tacoma Intl. Airport (SEA). You'll need to book a flight with one or more stops.
Are JAX to SEA flight tickets cheaper when they're purchased at the last minute?
Booking your trip from JAX to Seattle - Tacoma Intl. Airport (SEA) at the last minute could be your ticket to a great deal. However, you might miss out on a flight altogether! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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