£153 Cheap Flights from Seattle (SEA) to Jacksonville (JAX)

View £153 flight on Wed, 17 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £153 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From £166 - £375 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Jacksonville route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Jacksonville Intl.
Distance
3902 km

Compare flights from Seattle to Jacksonville easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Jacksonville. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Jacksonville Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Jacksonville Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Jacksonville Intl. (JAX)

The easiest way to view the best deals on flights from Seattle to Jacksonville today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Jacksonville Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seattle and Jacksonville
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seattle to Jacksonville flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Jacksonville Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX)?
If you're travelling from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX), round-trip flights start from . This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Jacksonville Intl. Airport (JAX)?
The majority of flights can be cancelled online, but each airline has a different set of terms and conditions. If you do decide to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX) 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 Seattle - Tacoma Intl. Airport (SEA) to JAX flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Jacksonville Intl. Airport?
Around 3,900 kilometres separates SeaTac and Jacksonville, so pack something to help you while away a couple of hours. That action-packed novel you haven't had time to start will be just the ticket.
Which airlines fly direct from Sea-Tac Airport to Jacksonville Intl. Airport (JAX)?
You won't find any airlines flying directly between Seattle - Tacoma Intl. Airport (SEA) and JAX, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip!
Are Sea-Tac Airport to JAX flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SEA to JAX at the last minute could be your ticket to a great deal. However, you might miss out on a flight altogether! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

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