HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$98+ Cheap flights from Jacksonville to Seattle (JAX - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SEA
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Jacksonville to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Jacksonville to Seattle

Cheapest flights from Jacksonville to Seattle
Explore the most affordable flight options available from Jacksonville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:59 am
JAX
-
SEA
1 stop8h 16m
Sun Country Air
Sun 4/266:20 pm
SEA
-
JAX
1 stop14h 17m
Sun Country Air
Deal found 1/25$274
This Kiwi.com deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:56 pm
JAX
-
SEA
2 stops19h 05m
Multiple Airlines
Tue 3/37:33 pm
SEA
-
JAX
1 stop21h 26m
Multiple Airlines
Deal found 1/23$331
This Sun Country Air deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:42 pm
JAX
-
SEA
1 stop13h 04m
Sun Country Air
Thu 6/49:15 am
SEA
-
JAX
1 stop23h 30m
Sun Country Air
Deal found 1/25$350
This Cheapflightsfares deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:42 pm
JAX
-
SEA
1 stop13h 04m
Sun Country Air
Sun 6/76:42 pm
SEA
-
JAX
1 stop14h 03m
Sun Country Air
Deal found 1/25$353
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:02 pm
JAX
-
SEA
1 stop9h 05m
American Airlines
Tue 3/312:07 am
SEA
-
JAX
1 stop8h 28m
American Airlines
Deal found 1/25$367
This Trip.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:30 am
JAX
-
SEA
1 stop12h 23m
JetBlue
Mon 6/811:59 pm
SEA
-
JAX
1 stop12h 44m
JetBlue
Deal found 1/25$373
This Southwest deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:50 am
JAX
-
SEA
2 stops13h 40m
Southwest
Tue 3/36:05 am
SEA
-
JAX
2 stops10h 50m
Southwest
Deal found 1/23$378
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:50 pm
JAX
-
SEA
1 stop7h 54m
American Airlines
Tue 5/197:00 am
SEA
-
JAX
1 stop8h 39m
American Airlines
Deal found 1/24$385
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:19 pm
JAX
-
SEA
1 stop7h 55m
United Airlines
Mon 3/167:35 pm
SEA
-
JAX
2 stops11h 56m
United Airlines
Deal found 1/24$390
This Southwest deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:25 pm
JAX
-
SEA
2 stops12h 15m
Southwest
Mon 4/206:30 am
SEA
-
JAX
2 stops8h 55m
Southwest
Deal found 1/24$395
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:20 am
JAX
-
SEA
1 stop9h 55m
American Airlines
Sat 4/256:00 am
SEA
-
JAX
1 stop8h 22m
American Airlines
Deal found 1/25$400
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:31 pm
JAX
-
SEA
1 stop8h 29m
United Airlines
Mon 3/27:29 pm
SEA
-
JAX
2 stops12h 14m
United Airlines
Deal found 1/24$408

Find flight deals from Jacksonville to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$274
(Cheapflightsfares)

One-way from

$98
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$430
Provider with most accurate pricing for Jacksonville-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville-Seattle/Tacoma Intl flights.
Search Deals
From Jacksonville to Seattle/Tacoma Intl
Search Deals
One-way flight from Jacksonville to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Jacksonville to Seattle that are best for you.

Fly from

Jacksonville

Fly to

Seattle

Route

Depart

Return

Price

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 2/25

5:31 pm-11:00 pm

1 stop8h 29m

Seattle/Tacoma Intl

Tue 3/3

8:17 am-8:14 pm

1 stop8h 57m

$367

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 3/10

11:55 am-7:03 pm

1 stop10h 08m

Seattle/Tacoma Intl

Mon 3/16

11:59 pm-10:31 am

1 stop7h 32m

$385

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 4/23

3:35 pm-11:30 pm

2 stops10h 55m

Seattle/Tacoma Intl

Sat 4/25

5:45 am-4:10 pm

1 stop7h 25m

$390

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 4/16

3:25 pm-12:40 am

2 stops12h 15m

Seattle/Tacoma Intl

Mon 4/20

6:30 am-6:25 pm

2 stops8h 55m

$395

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 4/23

6:20 am-1:15 pm

1 stop9h 55m

Seattle/Tacoma Intl

Sat 4/25

6:00 am-5:22 pm

1 stop8h 22m

$400

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 4/17

6:00 am-2:24 pm

1 stop11h 24m

Seattle/Tacoma Intl

Sat 4/25

10:25 am-9:02 pm

1 stop7h 37m

$411

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 2/27

11:33 am-7:03 pm

1 stop10h 30m

Seattle/Tacoma Intl

Mon 3/2

8:17 am-8:14 pm

1 stop8h 57m

$411

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 3/6

7:00 am-12:47 pm

1 stop8h 47m

Seattle/Tacoma Intl

Mon 3/9

7:21 am-6:24 pm

1 stop8h 03m

$411

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Mon 3/30

6:40 am-12:40 pm

1 stop9h 00m

Seattle/Tacoma Intl

Thu 4/2

5:30 am-6:55 pm

2 stops10h 25m

$416

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 2/27

10:50 am-7:05 pm

2 stops11h 15m

Seattle/Tacoma Intl

Mon 3/2

8:35 am-10:15 pm

2 stops10h 40m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 19 results
1
2

Compare providers for flights from Jacksonville to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Jacksonville to Seattle in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Jacksonville-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Jacksonville-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Jacksonville-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Jacksonville-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Jacksonville to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Jacksonville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Jacksonville to Seattle

How far ahead should I book a flight from Jacksonville to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Jacksonville to Seattle. Price data was last updated on January 23, 2026.

Booking 5 days in advance of your planned departure date is, on average, the best time to get cheap flights from Jacksonville to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Jacksonville to Seattle?

Currently, March is the cheapest month in which you can book a flight from Jacksonville to Seattle (average of $148). Flying from Jacksonville to Seattle in November is currently the most expensive (average of $327). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated January 26, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Jacksonville to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,199 reviews
Southwest
8.0
Very good
4,268 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Sun Country Air
6.9
Okay
343 reviews
Southwest
8.0
Very good
4,268 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Jacksonville to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Jacksonville to Seattle?

    For as low as $367, United Airlines can have you in Seattle from Jacksonville in 8h 29m. Jacksonville and Seattle are separated by a distance of 2438 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Jacksonville to Seattle round-trip?

    According to our current data, Sun Country Air ($142), JetBlue ($181), and Delta ($238) offers the cheapest pricing from Jacksonville to Seattle. Sun Country Air is priced at 70% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Jacksonville to Seattle one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $150. However, be on the lookout for offers from American Airlines and Sun Country Air, as they are both options that can get you from Jacksonville to Seattle for a low price.

  • Where are the most common layover locations when flying from Jacksonville to Seattle?

    The most popular layover on flights from Jacksonville to Seattle is Dallas. Charlotte sees the second most layovers for non-direct flights flying from Jacksonville to Seattle.

  • What are some popular things to do or see while on a layover in Dallas?

    American Airlines Center, Dallas World Aquarium, and Reunion Tower are currently the most popular points of interest in Dallas at the moment. American Airlines Center, Dallas World Aquarium, and Reunion Tower can be accessed by traveling approximately 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth. Those looking to explore during their layover in Dallas can rent a car from Dallas/Fort Worth for about $51 per day.

  • What are some popular points of interest to see during a layover in Charlotte?

    Carowind, NASCAR Hall of Fame, and North Carolina Blumenthal Performing Arts Center are the most popular attractions in Charlotte if you're in need of something to do during your layover. Travelers on a layover in Charlotte can visit Carowind, NASCAR Hall of Fame, and North Carolina Blumenthal Performing Arts Center, by traveling 8.2 mi, 5.7 mi, and 5.8 mi, respectively after landing at Charlotte Douglas. Travelers can book a car rental at Charlotte Douglas for about $46 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Jacksonville to Seattle flights?

    The least popular layover on flights from Jacksonville to Seattle is Atlanta.

  • Can I find deals for flights from Jacksonville to Seattle that include hotel bookings?

    Yes. In addition to deals on Jacksonville to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Jacksonville to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Jacksonville to Seattle.

  • Can I find deals for business class flights from Jacksonville to Seattle?

    Yes. Cheapflights offers flight deals from Jacksonville to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Jacksonville to Seattle?

    Currently, March is the cheapest month in which you can book a flight from Jacksonville to Seattle (average of $148). Flying from Jacksonville to Seattle in November is currently the most expensive (average of $327). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Jacksonville to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Seattle flights
Tampa to Seattle flights
Miami to Seattle flights
Fort Lauderdale to Seattle flights
Pensacola to Seattle flights
Fort Myers to Seattle flights
Panama City to Seattle flights
West Palm Beach to Seattle flights
Orlando to Portland flights
Tampa to Portland flights
Fort Lauderdale to Portland flights
Miami to Portland flights
Valparaiso to Seattle flights
Sarasota to Seattle flights
Orlando to Spokane flights
Tallahassee to Seattle flights
Jacksonville to Portland flights
Daytona Beach to Seattle flights
Key West to Seattle flights
Pensacola to Portland flights
Fort Myers to Portland flights
West Palm Beach to Portland flights
Tampa to Spokane flights
Fort Myers to Spokane flights
Sarasota to Portland flights
Orlando to Pasco flights
Pensacola to Spokane flights
Fort Lauderdale to Spokane flights
Melbourne to Seattle flights
Jacksonville to Spokane flights
Panama City to Portland flights
West Palm Beach to Spokane flights
Gainesville to Seattle flights
Miami to Spokane flights
Gainesville to Portland flights
Key West to Portland flights
Tallahassee to Portland flights
Valdosta to Seattle flights
Jacksonville to Pasco flights
Valparaiso to Portland flights
Valparaiso to Spokane flights
Daytona Beach to Spokane flights
Miami to Pasco flights
Fort Lauderdale to Pasco flights
Orlando to Bellingham flights
Orlando to Pullman flights
Tampa to Pasco flights
Miami to Bellingham flights
Orlando to Yakima flights

Top 6 airlines flying from Jacksonville to Seattle

Discover the top 6 airlines that operate flights from Jacksonville to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$142Average$338FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$181Average$325FlexibilityNo cancel feeOn-time62%
DeltaCheapest$238Average$442FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$324Average$467FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$332Average$490FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$391Average$513FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.