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

View AU$289 flight on Tue, 21 July 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.

American Airlines
Wed, 1 July - Wed, 8 July
JAX
Jacksonville
SEA
Seattle
AU$649 Return, found 9 hours ago
AU$649
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 1 July from Jacksonville to Seattle, returning Wed, 8 July, priced at AU$649 found 9 hours ago
Delta
Sun, 19 July - Thu, 30 July
JAX
Jacksonville
SEA
Seattle
AU$668 Return, found 5 days ago
AU$668
Return
found 5 days ago
Select Delta flight, departing Sun, 19 July from Jacksonville to Seattle, returning Thu, 30 July, priced at AU$668 found 5 days ago
American Airlines
Wed, 1 July - Wed, 8 July
JAX
Jacksonville
SEA
Seattle
AU$695 Return, found 9 hours ago
AU$695
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 1 July from Jacksonville to Seattle, returning Wed, 8 July, priced at AU$695 found 9 hours ago
American Airlines
Sun, 19 July - Thu, 30 July
JAX
Jacksonville
SEA
Seattle
AU$697 Return, found 5 days ago
AU$697
Return
found 5 days ago
Select American Airlines flight, departing Sun, 19 July from Jacksonville to Seattle, returning Thu, 30 July, priced at AU$697 found 5 days ago
American Airlines
Wed, 1 July - Wed, 8 July
JAX
Jacksonville
SEA
Seattle
AU$702 Return, found 9 hours ago
AU$702
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 1 July from Jacksonville to Seattle, returning Wed, 8 July, priced at AU$702 found 9 hours ago
American Airlines
Wed, 1 July - Wed, 8 July
JAX
Jacksonville
SEA
Seattle
AU$724 Return, found 9 hours ago
AU$724
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 1 July from Jacksonville to Seattle, returning Wed, 8 July, priced at AU$724 found 9 hours ago
American Airlines
Wed, 1 July - Wed, 8 July
JAX
Jacksonville
SEA
Seattle
AU$730 Return, found 9 hours ago
AU$730
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 1 July from Jacksonville to Seattle, returning Wed, 8 July, priced at AU$730 found 9 hours ago
Delta
Sun, 19 July - Thu, 30 July
JAX
Jacksonville
SEA
Seattle
AU$746 Return, found 5 days ago
AU$746
Return
found 5 days ago
Select Delta flight, departing Sun, 19 July from Jacksonville to Seattle, returning Thu, 30 July, priced at AU$746 found 5 days ago
United
Wed, 1 July - Wed, 8 July
JAX
Jacksonville
SEA
Seattle
AU$840 Return, found 9 hours ago
AU$840
Return
found 9 hours ago
Select United flight, departing Wed, 1 July from Jacksonville to Seattle, returning Wed, 8 July, priced at AU$840 found 9 hours ago
Alaska Airlines
Wed, 1 July - Wed, 8 July
JAX
Jacksonville
SEA
Seattle
AU$855 Return, found 9 hours ago
AU$855
Return
found 9 hours ago
Select Alaska Airlines flight, departing Wed, 1 July from Jacksonville to Seattle, returning Wed, 8 July, priced at AU$855 found 9 hours ago

Frequently asked questions

What is the cheapest month to fly from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
October is typically the cheapest month to fly from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares of approximately £289. This is about 16% lower than the average price throughout the year. October often sees lower prices as the peak summer travel season has ended and before the holiday rush begins, leading to reduced demand. Other cheap months to fly from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include February and September.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) is typically in September or October. Based on booking data from the past year, you can find return flights for around £289 during these months. While these months offer the best value, you'll also find plenty of flight options as the shoulder seasons often balance good weather with fewer crowds, making for a more pleasant travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 71 connecting flights per day from Jacksonville, FL (JAX-Jacksonville Intl.) (JAX) to Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Dallas-Fort Worth Intl. (DFW), and O'Hare Intl. (ORD).
What is the earliest flight from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in January and December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Friday, with around 52 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week, with Friday having only slightly more flights than other days.
What are the most popular departure times for flights from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time. Many major carriers, including American Airlines, Delta Air Lines and United Airlines, offer flights during this window. This timing works well because it allows you to start your travel day early and arrive in Seattle with plenty of time to settle in.
How long does it take to fly from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from JAX to SEA with a connection usually takes about 8 hours 50 minutes, traveling roughly 2,439 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for JAX to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Jacksonville Intl. (JAX)?
From Jacksonville Intl. (JAX), you can fly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like George Bush Intercontinental (IAH), Nashville Intl. (BNA), Baltimore Washington Intl. Thurgood Marshall (BWI) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Jacksonville, FL (JAX-Jacksonville Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Jacksonville Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
AU$649
Distance
3902 km
Average flight time
9 hours 9 mins

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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 20 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 AU$649 to AU$855, 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 July.

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.

Your quick guide to flights from Jacksonville to Seattle

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