$145 Cheap Flights from Jacksonville (JAX) to Seattle (SEA)

View $145 flight on Thu, Dec 25, 2025Opens 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 to Seattle (JAX-SEA)

Prices were available within the past 7 days and start at $145 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, Apr 30 - Mon, May 4
JAX
Jacksonville
SEA
Seattle
$289 Roundtrip, found 6 hours ago
$289
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Thu, Apr 30 from Jacksonville to Seattle, returning Mon, May 4, priced at $289 found 6 hours ago
American Airlines
Sun, Feb 15 - Thu, Feb 19
JAX
Jacksonville
SEA
Seattle
$311 Roundtrip, found 1 day ago
$311
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Feb 15 from Jacksonville to Seattle, returning Thu, Feb 19, priced at $311 found 1 day ago
Sun Country Airlines
Fri, Apr 24 - Thu, May 7
JAX
Jacksonville
SEA
Seattle
$313 Roundtrip, found 1 hour ago
$313
Roundtrip
found 1 hour ago
Select Sun Country Airlines flight, departing Fri, Apr 24 from Jacksonville to Seattle, returning Thu, May 7, priced at $313 found 1 hour ago
JetBlue Airways
Wed, May 6 - Thu, May 14
JAX
Jacksonville
SEA
Seattle
$316 Roundtrip, found 2 hours ago
$316
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Wed, May 6 from Jacksonville to Seattle, returning Thu, May 14, priced at $316 found 2 hours ago
American Airlines
Tue, Jan 6 - Tue, Jan 20
JAX
Jacksonville
SEA
Seattle
$320 Roundtrip, found 2 days ago
$320
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jan 6 from Jacksonville to Seattle, returning Tue, Jan 20, priced at $320 found 2 days ago
American Airlines
Tue, Jan 6 - Tue, Jan 20
JAX
Jacksonville
SEA
Seattle
$322 Roundtrip, found 2 days ago
$322
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jan 6 from Jacksonville to Seattle, returning Tue, Jan 20, priced at $322 found 2 days ago
United
Wed, Feb 11 - Tue, Feb 17
JAX
Jacksonville
SEA
Seattle
$328 Roundtrip, found 2 days ago
$328
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 11 from Jacksonville to Seattle, returning Tue, Feb 17, priced at $328 found 2 days ago
American Airlines
Thu, Dec 25 - Thu, Jan 1
JAX
Jacksonville
SEA
Seattle
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Dec 25 from Jacksonville to Seattle, returning Thu, Jan 1, priced at $329 found 2 days ago
American Airlines
Wed, Feb 18 - Wed, Feb 25
JAX
Jacksonville
SEA
Seattle
$332 Roundtrip, found 1 day ago
$332
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Feb 18 from Jacksonville to Seattle, returning Wed, Feb 25, priced at $332 found 1 day ago
Southwest Airlines
Thu, Dec 11 - Sun, Dec 14
JAX
Jacksonville
SEA
Seattle
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Dec 11 from Jacksonville to Seattle, returning Sun, Dec 14, priced at $349 found 1 day ago

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

September is typically the cheapest month to fly

From $197 - $416 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $557
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $557

Frequently asked questions

How much does a flight from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA) cost?
Grab a cheap one-way flight from $145 or cheap return flight from $289 from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA)?
Traveling in April can help you save, as it's the cheapest month for flights between JAX and SEA. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from JAX to SEA. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA)?
You'll have to hop on a flight with a layover if you're traveling from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from JAX to SEA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA)?
To land at Seattle - Tacoma Intl. Airport (SEA) on time, book a flight that leaves Jacksonville Intl. Airport (JAX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute fares from JAX to SEA are typically more expensive. To lock in the best rates, start searching for flights well ahead of time. That said, if your travel plans are flexible, you may find a cheap ticket right before your trip.
Is it cheaper to book a JAX to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a JAX to SEA flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Jacksonville Intl. Airport (JAX) to Seattle - Tacoma Intl. Airport (SEA)?
In most cases, you can cancel or reschedule your JAX to SEA flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Jacksonville Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$288
Distance
2438 mi

Book with confidence

Jacksonville to Seattle Flights

The cheapest times to fly from Jacksonville to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Jacksonville to Seattle are during the month of April. You can find some of the cheapest flights from Jacksonville to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Jacksonville to Seattle

Sunday is one of the best days to book for cheap flights from Jacksonville to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Jacksonville to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Jacksonville to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $145 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Jacksonville to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Jacksonville to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Jacksonville to Seattle Flights

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*Available to One Key members.