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$136+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SEA
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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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 March 10, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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.
Wed 5/1311:12 am
JAX
-
SEA
1 stop12h 41m
JetBlue
Tue 5/269:39 pm
SEA
-
JAX
1 stop12h 13m
JetBlue
Deal found 3/7$340
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:50 am
JAX
-
SEA
1 stop8h 20m
Sun Country Air
Sun 4/266:26 pm
SEA
-
JAX
1 stop14h 07m
Sun Country Air
Deal found 3/7$348
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Mon 5/412:51 pm
JAX
-
SEA
2 stops47h 36m
Multiple Airlines
Mon 5/1110:42 am
SEA
-
JAX
1 stop30h 41m
Multiple Airlines
Deal found 3/10$357
This Southwest deal was found by Cheapflights users on 3/9. 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.
Tue 5/54:30 pm
JAX
-
SEA
1 stop9h 00m
Southwest
Tue 5/129:20 am
SEA
-
JAX
1 stop8h 15m
Southwest
Deal found 3/9$359
This Booking.com deal was found by Cheapflights users on 3/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:50 am
JAX
-
SEA
1 stop8h 20m
Sun Country Air
Sun 5/36:21 pm
SEA
-
JAX
1 stop14h 20m
Sun Country Air
Deal found 3/6$360
This Lucky2Go deal was found by Cheapflights users on 3/9. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:50 am
JAX
-
SEA
1 stop8h 20m
Multiple Airlines
Thu 4/303:55 pm
SEA
-
JAX
1 stop22h 45m
Multiple Airlines
Deal found 3/9$361
This Southwest deal was found by Cheapflights users on 3/10. 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.
Tue 4/74:30 pm
JAX
-
SEA
1 stop9h 00m
Southwest
Tue 4/1411:45 pm
SEA
-
JAX
2 stops10h 55m
Southwest
Deal found 3/10$364
This CheapOair deal was found by Cheapflights users on 3/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:42 pm
JAX
-
SEA
1 stop17h 33m
JetBlue
Tue 6/29:39 pm
SEA
-
JAX
1 stop12h 13m
JetBlue
Deal found 3/7$365
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 5/812:30 pm
JAX
-
SEA
1 stop7h 50m
Sun Country Air
Sun 5/175:30 pm
SEA
-
JAX
1 stop15h 11m
Sun Country Air
Deal found 3/9$368
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 4/1712:19 pm
JAX
-
SEA
1 stop7h 51m
Sun Country Air
Sun 4/196:20 pm
SEA
-
JAX
1 stop14h 13m
Sun Country Air
Deal found 3/9$373
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Wed 4/84:19 pm
JAX
-
SEA
1 stop7h 47m
United Airlines
Mon 4/137:37 pm
SEA
-
JAX
2 stops11h 54m
United Airlines
Deal found 3/5$374

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$340
(Cheapflightsfares)

One-way from

$136
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$618
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 ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 2026.
Use the filters below to find and compare flights from Jacksonville to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 4/7

1:15 pm-10:30 pm

2 stops12h 15m

Seattle/Tacoma Intl

Tue 4/14

11:45 pm-1:40 pm

2 stops10h 55m

$369

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Sat 5/9

3:49 pm-9:56 pm

1 stop9h 07m

Seattle/Tacoma Intl

Thu 5/14

10:35 pm-1:03 pm

1 stop11h 28m

$379

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 4/8

6:05 am-1:35 pm

2 stops10h 30m

Seattle/Tacoma Intl

Mon 4/13

11:55 pm-1:40 pm

2 stops10h 45m

$389

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 5/7

3:25 pm-11:30 pm

2 stops11h 05m

Seattle/Tacoma Intl

Mon 5/11

8:00 am-10:05 pm

2 stops11h 05m

$389

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 4/29

7:20 am-12:45 pm

1 stop8h 25m

Seattle/Tacoma Intl

Sun 5/3

5:15 am-10:05 pm

1 stop13h 50m

$413

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 4/17

4:19 pm-10:33 pm

1 stop9h 14m

Seattle/Tacoma Intl

Tue 4/28

8:55 am-10:04 pm

2 stops10h 09m

$423
Quickest round-trip

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 7/29

1:55 pm-8:10 pm

1 stop9h 15m

Seattle/Tacoma Intl

Thu 8/6

11:25 am-9:45 pm

1 stop7h 20m

$457

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Sat 7/11

7:15 pm-12:05 am

1 stop7h 50m

Seattle/Tacoma Intl

Mon 7/20

11:05 pm-12:35 pm

2 stops10h 30m

$462

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 4/8

9:20 am-8:57 pm

2 stops14h 37m

Seattle/Tacoma Intl

Wed 4/15

11:59 pm-10:21 am

1 stop7h 22m

$484

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 4/15

6:35 am-6:00 pm

2 stops14h 25m

Seattle/Tacoma Intl

Sat 4/18

8:51 am-10:56 pm

2 stops11h 05m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 22 resultsSorted by cheapest first
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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 March.
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 March 6, 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, October is the cheapest month in which you can book a flight from Jacksonville to Seattle (average of $184). Flying from Jacksonville to Seattle in February is currently the most expensive (average of $363). 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 March 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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
4,317 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,317 reviews
Southwest
8.0
Very good
4,317 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Delta
7.9
Good
8,276 reviews
Southwest
8.0
Very good
4,317 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
United Airlines
7.4
Good
9,409 reviews
Southwest
8.0
Very good
4,317 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
American Airlines
7.1
Good
11,414 reviews
Southwest
8.0
Very good
4,317 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Sun Country Air
6.8
Okay
341 reviews
Southwest
8.0
Very good
4,317 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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.

  • What airports do I use to fly from Jacksonville to Seattle?

    Booking a flight from Jacksonville (JAX) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Jacksonville to Seattle. On a typical day, there is 1 flight from Jacksonville to Seattle/Tacoma Intl, all of which are around 7h 55m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Jacksonville to Seattle.

  • How long is the flight from Jacksonville to Seattle?

    For as low as $379, Southwest can have you in Seattle from Jacksonville in 9h 07m. 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), Delta ($238), and American Airlines ($324) 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 $52 per day.

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

    Carowind, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame 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, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame, by traveling 8.2 mi, 5.8 mi, and 5.7 mi, respectively after landing at Charlotte Douglas. Travelers can book a car rental at Charlotte Douglas for about $48 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, October is the cheapest month in which you can book a flight from Jacksonville to Seattle (average of $184). Flying from Jacksonville to Seattle in February is currently the most expensive (average of $363). 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
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Jacksonville to Seattle

Discover the top 5 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$142Average$268FlexibilityNo cancel feeOn-time83%
DeltaCheapest$238Average$453FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$324Average$465FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$332Average$480FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$391Average$495FlexibilityNo cancel feeOn-time63%

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