$144 Cheap Flights from Seattle (SEA) to Jacksonville (JAX)

View $144 flight on Sat, Jan 24, 2026Opens in a new window

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

Cheap Flights from Seattle to Jacksonville (SEA-JAX)

Prices were available within the past 7 days and start at $144 for one-way flights and $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Feb 25 - Wed, Mar 4
SEA
Seattle
JAX
Jacksonville
$260 Roundtrip, found 6 days ago
$260
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Feb 25 from Seattle to Jacksonville, returning Wed, Mar 4, priced at $260 found 6 days ago
Southwest Airlines
Wed, Feb 18 - Mon, Feb 23
SEA
Seattle
JAX
Jacksonville
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, Feb 18 from Seattle to Jacksonville, returning Mon, Feb 23, priced at $263 found 5 days ago
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
SEA
Seattle
JAX
Jacksonville
$263 Roundtrip, found 6 days ago
$263
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Seattle to Jacksonville, returning Wed, Jan 14, priced at $263 found 6 days ago
Delta
Wed, Dec 17 - Wed, Dec 24
SEA
Seattle
JAX
Jacksonville
$270 Roundtrip, found 5 days ago
$270
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 17 from Seattle to Jacksonville, returning Wed, Dec 24, priced at $270 found 5 days ago
Delta
Tue, Dec 16 - Wed, Dec 17
SEA
Seattle
JAX
Jacksonville
$275 Roundtrip, found 5 days ago
$275
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Dec 16 from Seattle to Jacksonville, returning Wed, Dec 17, priced at $275 found 5 days ago
American Airlines
Wed, Feb 18 - Mon, Feb 23
SEA
Seattle
JAX
Jacksonville
$280 Roundtrip, found 5 days ago
$280
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Feb 18 from Seattle to Jacksonville, returning Mon, Feb 23, priced at $280 found 5 days ago
American Airlines
Mon, Dec 8 - Sat, Dec 13
SEA
Seattle
JAX
Jacksonville
$285 Roundtrip, found 6 days ago
$285
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Dec 8 from Seattle to Jacksonville, returning Sat, Dec 13, priced at $285 found 6 days ago
American Airlines
Wed, Feb 25 - Wed, Mar 4
SEA
Seattle
JAX
Jacksonville
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Feb 25 from Seattle to Jacksonville, returning Wed, Mar 4, priced at $289 found 6 days ago
United
Fri, Oct 31 - Thu, Nov 27
SEA
Seattle
JAX
Jacksonville
$303 Roundtrip, found 4 days ago
$303
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Seattle to Jacksonville, returning Thu, Nov 27, priced at $303 found 4 days ago
JetBlue Airways
Fri, May 1 - Wed, May 6
SEA
Seattle
JAX
Jacksonville
$386 Roundtrip, found 4 hours ago
$386
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Fri, May 1 from Seattle to Jacksonville, returning Wed, May 6, priced at $386 found 4 hours ago

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

September is typically the cheapest month to fly

From $225 - $460 per traveler.

Alternative airports near Jacksonville

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

Select flight to Jacksonville Intl. JAX. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $550
JAX
Jacksonville Intl.
Cheapest
Average driving time to city center19 min
Flights from $550

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX) cost?
Snag a cheap one-way flight from $144 or cheap return flight from $260 from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX)?
Traveling in February is a good way to save, as it's the cheapest month for flights between SEA and JAX. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SEA to JAX flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX)?
You'll need to catch a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SEA to JAX?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX)?
To land at Jacksonville Intl. Airport (JAX) without delays, choose a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX) last-minute?
Booking your ticket from SEA to JAX right before your getaway is generally more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a SEA to JAX flight and hotel package?
Opting for a SEA to JAX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Jacksonville Intl. Airport (JAX)?
It's usually possible to cancel or reschedule your SEA to JAX flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Jacksonville Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$260
Distance
2438 mi

Book with confidence

Seattle to Jacksonville Flights

The cheapest times to fly from Seattle to Jacksonville

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 Seattle to Jacksonville are during the month of February. You can find some of the cheapest flights from Seattle to Jacksonville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Jacksonville

Sunday is one of the best days to book for cheap flights from Seattle to Jacksonville: 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 Seattle to Jacksonville

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 Seattle to Jacksonville in 2025. You can also book with separate airlines for your outbound and return journeys, from $144 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 Seattle to Jacksonville 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 Seattle to Jacksonville 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.

 

Seattle to Jacksonville Flights

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*Available to One Key members.