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$135+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SEA
May 17 — May 241
Sat 5/17
Sat 5/24
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 76 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Priceline
3 stars

Round-trip from

$325
(Delta)

One-way from

$135
(Cheapflightsfares)

Popular in

March

Cheapest in

October

Average price

$547
Provider with most accurate pricing for Jacksonville-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Jacksonville-Seattle/Tacoma Intl flights.
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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. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 12, 2025.

This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:30 amJAX - SEA
1 stop10h 15mDelta
Tue 9/912:40 amSEA - JAX
1 stop9h 38mDelta
Deal found 5/11$325
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 8/237:12 amJAX - SEA
1 stop10h 07mAmerican Airlines
Sun 8/315:24 amSEA - JAX
1 stop7h 20mAmerican Airlines
Deal found 5/12$327
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:00 amJAX - SEA
2 stops11h 43mUnited Airlines
Wed 9/1011:54 pmSEA - JAX
1 stop7h 31mUnited Airlines
Deal found 5/11$330
This JetBlue deal was found by Cheapflights users on 5/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/312:11 pmJAX - SEA
1 stop11h 43mJetBlue
Tue 6/1010:40 pmSEA - JAX
1 stop8h 58mJetBlue
Deal found 5/12$338
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:35 pmJAX - SEA
1 stop9h 20mSouthwest
Tue 8/196:45 amSEA - JAX
2 stops10h 15mSouthwest
Deal found 5/11$348
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1011:15 amJAX - SEA
2 stops15h 55mMultiple Airlines
Mon 6/169:09 amSEA - JAX
2 stops22h 16mMultiple Airlines
Deal found 5/12$412
This FlightHub deal was found by Cheapflights users on 5/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2012:50 pmJAX - SEA
1 stop13h 00mSun Country Air
Sun 6/2211:59 pmSEA - JAX
1 stop8h 21mSun Country Air
Deal found 5/12$445
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:45 amJAX - SEA
1 stop8h 49mAlaska Airlines
Sun 9/2112:33 amSEA - JAX
1 stop8h 23mAlaska Airlines
Deal found 5/12$517

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 May 12, 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

Sun 8/31

7:30 am-2:45 pm

1 stop10h 15m

Seattle/Tacoma Intl

Tue 9/9

12:40 am-1:18 pm

1 stop9h 38m

$325

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Sat 8/23

7:12 am-2:19 pm

1 stop10h 07m

Seattle/Tacoma Intl

Sun 8/31

5:24 am-3:44 pm

1 stop7h 20m

$327

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Sun 8/31

7:00 am-3:43 pm

2 stops11h 43m

Seattle/Tacoma Intl

Wed 9/10

11:54 pm-10:25 am

1 stop7h 31m

$330

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 6/3

12:11 pm-8:54 pm

1 stop11h 43m

Seattle/Tacoma Intl

Tue 6/10

10:40 pm-10:38 am

1 stop8h 58m

$338

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 8/12

2:35 pm-8:55 pm

1 stop9h 20m

Seattle/Tacoma Intl

Tue 8/19

6:45 am-8:00 pm

2 stops10h 15m

$348

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 6/10

11:15 am-12:10 am

2 stops15h 55m

Seattle/Tacoma Intl

Mon 6/16

9:09 am-10:25 am

2 stops22h 16m

$412

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 6/20

12:50 pm-10:50 pm

1 stop13h 00m

Seattle/Tacoma Intl

Sun 6/22

11:59 pm-11:20 am

1 stop8h 21m

$445

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 9/18

12:17 pm-5:31 pm

1 stop8h 14m

Seattle/Tacoma Intl

Sun 9/21

12:59 am-11:31 am

1 stop7h 32m

$517

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 10/31

12:11 pm-5:01 pm

1 stop7h 50m

$135

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 7/1

12:10 pm-8:03 pm

1 stop10h 53m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 15 results
1
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FlightsMojoPrice Accuracy-Trust Score*3 stars

*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 Priceline the most. Priceline 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 May 9, 2025.

Booking 76 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 July is currently the most expensive (average of $403). 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 May 12, 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 May 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Jacksonville to Seattle by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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

    According to our current data, Delta ($325), American Airlines ($327), and United Airlines ($330) offers the cheapest pricing from Jacksonville to Seattle. Delta is priced at 32% 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 Sun Country Air, with whom users have recently found tickets for as low as $135. However, be on the lookout for offers from American Airlines 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 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 $60 per day.

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

    Carowind, Mint Museum Uptown, 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, Mint Museum Uptown, and NASCAR Hall of Fame, by traveling 8.2 mi, 5.4 mi, and 5.7 mi, respectively after landing at Charlotte Douglas. Travelers can book a car rental at Charlotte Douglas for about $52 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 July is currently the most expensive (average of $403). 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 Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Cle Elum
Kent
Centralia
Kirkland
Aberdeen
Shelton
Silverdale
Redmond

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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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$188Average$335FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$255Average$362FlexibilityNo cancel feeOn-time62%
DeltaCheapest$296Average$456FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$302Average$522FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$317Average$478FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$417Average$552FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$496Average$688FlexibilityNo cancel feeOn-time75%

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