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$71+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SEA
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Jacksonville to Seattle/Tacoma Intl are usually found in January or September, booked 70 days in advance, depart on a Monday or Tuesday and return on a Friday

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 October 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/41:57 pmJAX - SEA
1 stop21h 49mFrontier
Thu 12/1112:48 pmSEA - JAX
2 stops25h 52mFrontier
Deal found 10/26$265
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 12/161:14 pmJAX - SEA
1 stop7h 33mDelta
Wed 12/3110:55 pmSEA - JAX
1 stop9h 08mDelta
Deal found 10/27$320
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:00 amJAX - SEA
1 stop8h 15mDelta
Wed 12/311:55 pmSEA - JAX
1 stop10h 09mDelta
Deal found 10/25$325
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/141:39 pmJAX - SEA
2 stops31h 53mMultiple Airlines
Fri 11/219:53 pmSEA - JAX
1 stop19h 04mMultiple Airlines
Deal found 10/26$326
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/271:33 pmJAX - SEA
1 stop10h 21mUnited Airlines
Thu 12/47:00 amSEA - JAX
2 stops11h 48mUnited Airlines
Deal found 10/25$330
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:00 amJAX - SEA
1 stop8h 15mDelta
Tue 12/211:59 pmSEA - JAX
1 stop10h 05mDelta
Deal found 10/25$333
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/41:57 pmJAX - SEA
1 stop21h 49mMultiple Airlines
Thu 12/112:25 pmSEA - JAX
1 stop27h 26mMultiple Airlines
Deal found 10/26$339
This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 12/45:31 pmJAX - SEA
1 stop9h 28mDelta
Mon 12/86:00 amSEA - JAX
1 stop8h 35mDelta
Deal found 10/27$351
This Southwest deal was found by Cheapflights users on 10/27. 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 12/161:05 pmJAX - SEA
2 stops12h 50mSouthwest
Wed 12/316:35 amSEA - JAX
1 stop7h 20mSouthwest
Deal found 10/27$356
This Southwest deal was found by Cheapflights users on 10/26. 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 12/41:05 pmJAX - SEA
2 stops12h 50mSouthwest
Thu 12/115:40 amSEA - JAX
2 stops10h 35mSouthwest
Deal found 10/26$361
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:00 amJAX - SEA
1 stop8h 15mDelta
Fri 12/59:59 pmSEA - JAX
1 stop9h 31mDelta
Deal found 10/25$368
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 11/184:51 pmJAX - SEA
1 stop9h 51mAmerican Airlines
Thu 11/2710:07 pmSEA - JAX
1 stop7h 31mAmerican Airlines
Deal found 10/25$373

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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$265
(Kiwi.com)

One-way from

$71
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$451
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. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 27, 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

Thu 11/27

5:00 am-10:15 am

1 stop8h 15m

Seattle/Tacoma Intl

Thu 12/4

9:59 pm-10:30 am

1 stop9h 31m

$325

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 11/27

5:00 am-10:15 am

1 stop8h 15m

Seattle/Tacoma Intl

Tue 12/2

11:59 pm-1:04 pm

1 stop10h 05m

$333

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 12/9

12:11 pm-5:51 pm

1 stop8h 40m

Seattle/Tacoma Intl

Mon 12/15

12:31 am-11:21 am

1 stop7h 50m

$351

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 12/4

5:00 am-12:47 pm

1 stop10h 47m

Seattle/Tacoma Intl

Mon 12/8

11:34 am-10:24 pm

1 stop7h 50m

$351

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 12/9

11:46 am-6:32 pm

1 stop9h 46m

Seattle/Tacoma Intl

Tue 12/16

11:55 pm-1:04 pm

1 stop10h 09m

$351

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 12/4

1:05 pm-10:55 pm

2 stops12h 50m

Seattle/Tacoma Intl

Thu 12/11

5:40 am-7:15 pm

2 stops10h 35m

$361

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 12/9

1:14 pm-5:47 pm

1 stop7h 33m

Seattle/Tacoma Intl

Sun 12/14

11:00 pm-10:41 am

1 stop8h 41m

$394

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 12/12

11:30 am-8:35 pm

2 stops12h 05m

Seattle/Tacoma Intl

Mon 12/15

6:15 am-9:15 pm

2 stops12h 00m

$404

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 11/27

6:10 am-8:56 pm

2 stops17h 46m

Seattle/Tacoma Intl

Sat 12/6

6:00 am-5:35 pm

1 stop8h 35m

$421

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 11/27

5:00 am-5:00 pm

2 stops15h 00m

Seattle/Tacoma Intl

Wed 12/3

6:00 am-5:21 pm

1 stop8h 21m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 21 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Jacksonville-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

Booking 70 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 January is currently the most expensive (average of $336). 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 October 27, 2025.

It’s optimal to fly from Jacksonville to Seattle in the morning. By choosing this option you can save up to 8% 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 October 26, 2025.

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 October 27, 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
4,238 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
7.9
Good
7,996 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
8,999 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
11,031 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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
335 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

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 $325, Delta can have you in Seattle from Jacksonville in 8h 15m. 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 ($240), and JetBlue ($266) offers the cheapest pricing from Jacksonville to Seattle. Sun Country Air is priced at 66% 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 American Airlines, with whom users have recently found tickets for as low as $145. However, be on the lookout for offers from Delta and United Airlines, 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 Dos Equis Pavilion are currently the most popular points of interest in Dallas at the moment. American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion can be accessed by traveling approximately 15.0 mi, 15.5 mi, and 18.3 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 $57 per day.

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

    Carowind, NASCAR Hall of Fame, and Mint Museum Uptown 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 Mint Museum Uptown, by traveling 8.2 mi, 5.7 mi, and 5.4 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, 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 January is currently the most expensive (average of $336). 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
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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Alternative routes for Jacksonville to Seattle

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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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$161Average$350FlexibilityNo cancel feeOn-time83%
DeltaCheapest$240Average$429FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$266Average$388FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$325Average$485FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$336Average$500FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$393Average$533FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$516Average$622FlexibilityNo cancel feeOn-time75%

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