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$133+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Jacksonville to Seattle/Tacoma Intl are usually found in September or October, 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 junio 12, 2025.

Round-trip from

$306
(American Airlines)

One-way from

$133
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$516
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 ($11 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 June 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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 8/284:34 pmJAX - SEA
1 stop9h 42mAmerican Airlines
sáb. 9/65:26 amSEA - JAX
1 stop7h 15mAmerican Airlines
Deal found 6/12$306
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/255:35 amJAX - SEA
1 stop12h 15mSouthwest
lun. 9/2911:10 pmSEA - JAX
2 stops10h 25mSouthwest
Deal found 6/12$308
This Sun Country Air deal was found by Cheapflights users on 6/12. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1612:17 pmJAX - SEA
1 stop8h 02mSun Country Air
dom. 10/266:16 pmSEA - JAX
1 stop13h 51mSun Country Air
Deal found 6/12$315
This United Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 8/257:00 amJAX - SEA
2 stops11h 14mUnited Airlines
jue. 8/2811:54 pmSEA - JAX
1 stop7h 31mUnited Airlines
Deal found 6/11$325
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 8/202:40 pmJAX - SEA
1 stop8h 41mDelta
lun. 8/2511:15 pmSEA - JAX
1 stop8h 32mDelta
Deal found 6/11$328
This Mytrip deal was found by Cheapflights users on 6/12. 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.
jue. 7/109:44 amJAX - SEA
3 stops33h 41mMultiple Airlines
jue. 7/175:30 pmSEA - JAX
2 stops24h 25mMultiple Airlines
Deal found 6/12$435
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/284:34 pmJAX - SEA
1 stop9h 20mAlaska Airlines
vie. 9/512:59 amSEA - JAX
1 stop9h 12mAlaska Airlines
Deal found 6/10$482
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/269:37 pmJAX - SEA
2 stops19h 34mFrontier
dom. 6/293:11 pmSEA - JAX
2 stops21h 20mFrontier
Deal found 6/12$490

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 junio 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

jue. 8/28

4:34 pm-9:38 pm

1 stop8h 04m

Seattle/Tacoma Intl

sáb. 9/6

7:49 am-7:15 pm

1 stop8h 26m

$306

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

lun. 8/25

7:00 am-3:14 pm

2 stops11h 14m

Seattle/Tacoma Intl

jue. 8/28

11:54 pm-10:25 am

1 stop7h 31m

$325

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

mié. 8/20

2:40 pm-8:21 pm

1 stop8h 41m

Seattle/Tacoma Intl

lun. 8/25

11:15 pm-10:47 am

1 stop8h 32m

$328

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

mié. 8/6

7:20 am-3:20 pm

2 stops11h 00m

Seattle/Tacoma Intl

lun. 8/11

11:10 pm-1:45 pm

1 stop11h 35m

$339

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

vie. 7/4

1:08 pm-10:47 pm

1 stop12h 39m

Seattle/Tacoma Intl

jue. 7/10

11:59 pm-12:12 pm

1 stop9h 13m

$345

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

dom. 7/13

12:57 pm-4:25 pm

2 stops30h 28m

Seattle/Tacoma Intl

sáb. 7/19

7:00 am-8:54 am

2 stops22h 54m

$351

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

jue. 8/28

4:34 pm-10:54 pm

1 stop9h 20m

Seattle/Tacoma Intl

vie. 9/5

12:59 am-1:11 pm

1 stop9h 12m

$482

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

jue. 6/26

9:37 pm-2:11 pm

2 stops19h 34m

Seattle/Tacoma Intl

jue. 7/3

3:11 pm-3:31 pm

2 stops21h 20m

$516

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

mar. 8/12

11:03 am-8:02 pm

1 stop11h 59m

$133

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

lun. 9/8

4:05 pm-9:30 pm

1 stop8h 25m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 14 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 June 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 $391). 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 junio 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 junio 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

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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, American Airlines ($306), United Airlines ($325), and Delta ($328) offers the cheapest pricing from Jacksonville to Seattle. American Airlines is priced at 35% 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 $133. However, be on the lookout for offers from Southwest 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 $61 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 $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, 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 $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$188Average$350FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$255Average$359FlexibilityNo cancel feeOn-time62%
DeltaCheapest$286Average$431FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$296Average$494FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$310Average$465FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$416Average$538FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$456Average$622FlexibilityNo cancel feeOn-time75%

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