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$105+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Jacksonville to Seattle/Tacoma Intl are usually found in October or September, booked 50 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap 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 September 11, 2025.

Round-trip from

$327
(American Airlines)

One-way from

$105
(Southwest)

Popular in

March

Cheapest in

October

Average price

$408

Good one-way deal

$198 or less
From Jacksonville to Seattle/Tacoma Intl
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One-way flight from Jacksonville to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Jacksonville to Seattle/Tacoma Intl.
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Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:17 amJAX - SEA
1 stop10h 33mAmerican Airlines
Sun 10/512:30 amSEA - JAX
1 stop8h 11mAmerican Airlines
Deal found 9/9$325
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/93:21 pmJAX - SEA
1 stop8h 33mAmerican Airlines
Thu 10/168:49 pmSEA - JAX
1 stop9h 46mAmerican Airlines
Deal found 9/11$327
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:37 amJAX - SEA
2 stops27h 36mFrontier
Tue 11/412:58 pmSEA - JAX
2 stops48h 15mFrontier
Deal found 9/9$328
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:25 pmJAX - SEA
1 stop11h 34mAmerican Airlines
Fri 10/109:59 pmSEA - JAX
1 stop7h 56mAmerican Airlines
Deal found 9/10$329
This Southwest deal was found by Cheapflights users on 9/8. 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.
Sat 10/186:55 amJAX - SEA
1 stop7h 40mSouthwest
Sat 10/255:00 amSEA - JAX
1 stop6h 40mSouthwest
Deal found 9/8$330
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/23:38 pmJAX - SEA
1 stop9h 06mUnited Airlines
Tue 10/711:10 amSEA - JAX
2 stops9h 05mUnited Airlines
Deal found 9/10$332
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:10 amJAX - SEA
1 stop8h 08mDelta
Mon 1/56:00 amSEA - JAX
1 stop8h 28mDelta
Deal found 9/10$333
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:37 amJAX - SEA
2 stops46h 56mFrontier
Thu 10/301:18 pmSEA - JAX
2 stops25h 51mFrontier
Deal found 9/10$337
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amJAX - SEA
2 stops13h 53mDelta
Tue 1/61:45 pmSEA - JAX
1 stop7h 16mDelta
Deal found 9/10$338
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:00 amJAX - SEA
1 stop10h 44mDelta
Sat 1/312:59 amSEA - JAX
1 stop10h 07mDelta
Deal found 9/10$340

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 September 11, 2025.
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

Sat 10/18

6:55 am-11:35 am

1 stop7h 40m

Seattle/Tacoma Intl

Sat 10/25

5:00 am-2:40 pm

1 stop6h 40m

$330

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 10/3

3:38 pm-11:29 pm

2 stops10h 51m

Seattle/Tacoma Intl

Mon 10/6

11:10 pm-10:41 am

1 stop8h 31m

$332

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 10/2

3:38 pm-9:44 pm

1 stop9h 06m

Seattle/Tacoma Intl

Tue 10/7

11:10 am-11:15 pm

2 stops9h 05m

$332

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 10/2

7:00 am-3:32 pm

2 stops11h 32m

Seattle/Tacoma Intl

Mon 10/6

11:10 pm-10:41 am

1 stop8h 31m

$346

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 10/29

11:40 am-11:10 pm

2 stops14h 30m

Seattle/Tacoma Intl

Sat 11/1

7:10 am-5:51 pm

1 stop7h 41m

$348

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 10/29

11:40 am-10:30 pm

2 stops13h 50m

Seattle/Tacoma Intl

Wed 11/5

11:59 pm-10:33 am

1 stop7h 34m

$348

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 9/24

7:00 am-3:14 pm

2 stops11h 14m

Seattle/Tacoma Intl

Wed 10/8

11:40 pm-10:25 am

1 stop7h 45m

$349

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 10/10

5:57 pm-12:27 am

1 stop9h 30m

Seattle/Tacoma Intl

Mon 10/13

8:49 pm-9:35 am

1 stop9h 46m

$353

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 10/15

7:00 am-4:24 pm

2 stops12h 24m

Seattle/Tacoma Intl

Wed 10/22

7:37 pm-10:41 am

2 stops12h 04m

$353

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 10/21

2:30 pm-11:45 pm

2 stops12h 15m

Seattle/Tacoma Intl

Fri 10/24

8:20 am-10:05 pm

2 stops10h 45m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 19 results
1
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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 August 29, 2025.

Booking 50 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, January is the cheapest month in which you can book a flight from Jacksonville to Seattle (average of $238). Flying from Jacksonville to Seattle in June is currently the most expensive (average of $388). 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.

What is the cheapest time of day to fly from JAX to SEA?

Find hourly flight availability from Jacksonville to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Jacksonville to Seattle in the afternoon. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Jacksonville to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Jacksonville to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Jacksonville to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
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
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Sun Country Air
6.9
Okay
330 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 $330, Southwest can have you in Seattle from Jacksonville in 7h 40m. 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 ($161), Delta ($253), and JetBlue ($266) offers the cheapest pricing from Jacksonville to Seattle. Sun Country Air is priced at 65% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Jacksonville to Seattle?

    Looking for the cheapest flight from Jacksonville to Seattle? While on average our users pay $235, our data indicates the cheapest price to be $170. The most popular route (Jacksonville - Seattle/Tacoma Intl), is priced around $214.

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

    The most popular layover on flights from Jacksonville to Seattle is Charlotte. Dallas 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 Charlotte?

    Carowind, Mint Museum Uptown, and NASCAR Hall of Fame are currently the most popular points of interest in Charlotte at the moment. Carowind, Mint Museum Uptown, and NASCAR Hall of Fame can be accessed by traveling approximately 8.2 mi, 5.4 mi, and 5.7 mi, respectively from Charlotte Douglas. Those looking to explore during their layover in Charlotte can rent a car from Charlotte Douglas for about $44 per day.

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

    American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion are the most popular attractions in Dallas if you're in need of something to do during your layover. Travelers on a layover in Dallas can visit American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion, by traveling 15.0 mi, 15.5 mi, and 18.3 mi, respectively after landing at Dallas/Fort Worth. Travelers can book a car rental at Dallas/Fort Worth for about $50 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, January is the cheapest month in which you can book a flight from Jacksonville to Seattle (average of $238). Flying from Jacksonville to Seattle in June is currently the most expensive (average of $388). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
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Issaquah
Aberdeen
Shoreline

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Alternative routes for Jacksonville to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Jacksonville to Seattle

Discover the top 7 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$161Average$350FlexibilityNo cancel feeOn-time83%
DeltaCheapest$253Average$432FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$266Average$388FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$325Average$476FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$342Average$504FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$396Average$536FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$456Average$622FlexibilityNo cancel feeOn-time75%

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