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Cheap flights from Jacksonville to Seattle from $140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to Seattle departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Jacksonville to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:51 pm - 9:27 am
JAX
-
SEA
47h 36m
2 stops
Multiple Airlines Logo
10:42 am - 8:23 pm
SEA
-
JAX
30h 41m
1 stop
$357Multiple Airlines
Mon, May 4 - Mon, May 11
United Airlines Logo
11:32 am - 7:00 pm
JAX
-
SEA
10h 28m
1 stop
United Airlines Logo
7:00 am - 7:34 pm
SEA
-
JAX
9h 34m
1 stop
$359United Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
11:50 am - 5:10 pm
JAX
-
SEA
8h 20m
1 stop
Multiple Airlines Logo
3:55 pm - 5:40 pm
SEA
-
JAX
22h 45m
1 stop
$361Multiple Airlines
Fri, Apr 24 - Thu, Apr 30
Southwest Logo
4:30 pm - 10:30 pm
JAX
-
SEA
9h 00m
1 stop
Southwest Logo
11:45 pm - 1:40 pm
SEA
-
JAX
10h 55m
2 stops
$364Southwest
Tue, Apr 7 - Tue, Apr 14
Sun Country Air Logo
12:30 pm - 5:20 pm
JAX
-
SEA
7h 50m
1 stop
Sun Country Air Logo
5:30 pm - 11:41 am
SEA
-
JAX
15h 11m
1 stop
$368Sun Country Air
Fri, May 8 - Sun, May 17
Southwest Logo
1:15 pm - 10:30 pm
JAX
-
SEA
12h 15m
2 stops
Southwest Logo
6:50 am - 8:35 pm
SEA
-
JAX
10h 45m
2 stops
$369Southwest
Tue, Apr 7 - Tue, Apr 14
Sun Country Air Logo
12:19 pm - 5:10 pm
JAX
-
SEA
7h 51m
1 stop
Sun Country Air Logo
6:20 pm - 11:33 am
SEA
-
JAX
14h 13m
1 stop
$373Sun Country Air
Fri, Apr 17 - Sun, Apr 19
Southwest Logo
3:35 pm - 11:30 pm
JAX
-
SEA
10h 55m
2 stops
Southwest Logo
9:20 am - 8:35 pm
SEA
-
JAX
8h 15m
1 stop
$374Southwest
Mon, May 11 - Wed, May 13
American Airlines Logo
5:01 pm - 12:55 am
JAX
-
SEA
10h 54m
1 stop
American Airlines Logo
10:25 am - 11:44 pm
SEA
-
JAX
10h 19m
1 stop
$377American Airlines
Wed, Apr 1 - Thu, Apr 9
Delta Logo
2:00 pm - 10:45 pm
JAX
-
SEA
11h 45m
1 stop
Delta Logo
9:45 am - 10:26 pm
SEA
-
JAX
9h 41m
1 stop
$379Delta
Thu, May 7 - Sat, May 16

Sun Country Air flights from Jacksonville to Seattle

Our best Sun Country Air deals on Jacksonville to Seattle flight tickets
Sun Country Air
May 8
JAX12:30 pmJacksonville
7h 50m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
May 17
SEA5:30 pmSeattle/Tacoma Intl
15h 11m
1 stop
JAX11:41 amJacksonville
$368
Sun Country Air
Apr 17
JAX12:19 pmJacksonville
7h 51m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Apr 19
SEA6:20 pmSeattle/Tacoma Intl
14h 13m
1 stop
JAX11:33 amJacksonville
$373
Sun Country Air
Apr 24
JAX11:50 amJacksonville
8h 20m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
May 3
SEA6:21 pmSeattle/Tacoma Intl
14h 20m
1 stop
JAX11:41 amJacksonville
$383

United Airlines flights from Jacksonville to Seattle

Our best United Airlines deals on Jacksonville to Seattle flight tickets
United Airlines
Apr 8
JAX11:32 amJacksonville
10h 28m
1 stop
SEA7:00 pmSeattle/Tacoma Intl
Apr 15
SEA7:00 amSeattle/Tacoma Intl
9h 34m
1 stop
JAX7:34 pmJacksonville
$359
United Airlines
Apr 7
JAX4:19 pmJacksonville
7h 47m
1 stop
SEA9:06 pmSeattle/Tacoma Intl
Apr 14
SEA8:55 amSeattle/Tacoma Intl
10h 09m
2 stops
JAX10:04 pmJacksonville
$364
United Airlines
Apr 2
JAX5:27 pmJacksonville
8h 45m
1 stop
SEA11:12 pmSeattle/Tacoma Intl
Apr 14
SEA7:12 amSeattle/Tacoma Intl
11h 52m
2 stops
JAX10:04 pmJacksonville
$384

momondo 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, momondo users made 832,500 searches. Data last updated March 13, 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

Mon 5/4

12:51 pm-9:27 am

2 stops47h 36m

Seattle/Tacoma Intl

Mon 5/11

10:42 am-8:23 pm

1 stop30h 41m

$357

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 4/8

11:32 am-7:00 pm

1 stop10h 28m

Seattle/Tacoma Intl

Wed 4/15

7:00 am-7:34 pm

1 stop9h 34m

$359

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 4/24

11:50 am-5:10 pm

1 stop8h 20m

Seattle/Tacoma Intl

Thu 4/30

3:55 pm-5:40 pm

1 stop22h 45m

$361

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 4/7

4:30 pm-10:30 pm

1 stop9h 00m

Seattle/Tacoma Intl

Tue 4/14

11:45 pm-1:40 pm

2 stops10h 55m

$364

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 5/8

12:30 pm-5:20 pm

1 stop7h 50m

Seattle/Tacoma Intl

Sun 5/17

5:30 pm-11:41 am

1 stop15h 11m

$368

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 4/7

1:15 pm-10:30 pm

2 stops12h 15m

Seattle/Tacoma Intl

Tue 4/14

6:50 am-8:35 pm

2 stops10h 45m

$369

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 4/17

12:19 pm-5:10 pm

1 stop7h 51m

Seattle/Tacoma Intl

Sun 4/19

6:20 pm-11:33 am

1 stop14h 13m

$373
Quickest round-trip

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Mon 5/11

3:35 pm-11:30 pm

2 stops10h 55m

Seattle/Tacoma Intl

Wed 5/13

9:20 am-8:35 pm

1 stop8h 15m

$374

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 4/1

5:01 pm-12:55 am

1 stop10h 54m

Seattle/Tacoma Intl

Thu 4/9

10:25 am-11:44 pm

1 stop10h 19m

$377

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Thu 5/7

2:00 pm-10:45 pm

1 stop11h 45m

Seattle/Tacoma Intl

Sat 5/16

9:45 am-10:26 pm

1 stop9h 41m

$379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Jacksonville to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Jacksonville to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $411. If you don’t want to visit Seattle in February, then you should wait until September to fly from Jacksonville, when ticket prices are also cheap, with an average price of $416.

What is the cheapest Jacksonville to Seattle/Tacoma Intl flight route?

Fly from Jacksonville to Seattle/Tacoma Intl for the best Jacksonville - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $473 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Jacksonville for as low as $377 on momondo.

What cabin class options are available on Jacksonville to Seattle/Tacoma Intl flights?

There is only 1 cabin class available to choose from on Jacksonville to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Jacksonville to Seattle flight prices changed over time?

As of March 2026, prices for Jacksonville to Seattle flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Jacksonville to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Jacksonville to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Jacksonville to Seattle (JAX to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Jacksonville to Seattle

Fastest flight time

7h 30m

Direct flights

None
The fastest flight from Jacksonville to Seattle takes 7h 30m
There are no direct flights from Jacksonville to Seattle. There are no popular flight routes from Jacksonville to Seattle.
Search flight deals

  • How far is Jacksonville to Seattle/Tacoma Intl by plane?

    The distance between Jacksonville and Seattle/Tacoma Intl is about 2450.3 mi. By plane, this route typically takes 7h 30m.

  • When did momondo last update prices for flights from Jacksonville Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Jacksonville Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Jacksonville Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Jacksonville Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Jacksonville Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Jacksonville to Seattle?

  • What is the most popular airline from Jacksonville to Seattle?

Best airlines flying from Jacksonville to Seattle

Compare and see reviews for airlines that fly from Jacksonville to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Sun Country AirPriceFrom $142Free CancellationRating
6.8
342 reviews
Search Sun Country Air flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,285 reviews
Search Delta flights
American AirlinesPriceFrom $324Free CancellationRating
7.1
11,448 reviews
Search American Airlines flights
United AirlinesPriceFrom $332Free CancellationRating
7.4
9,418 reviews
Search United Airlines flights
SouthwestPriceFrom $391Free CancellationRating
8.0
4,318 reviews
Search Southwest flights

  • United Airlines Flights From Jacksonville to Seattle

    United Airlines is one of the most popular airlines flying from Jacksonville to Seattle, operating 7 flights/week on average for this route. A good United Airlines flight deal for Jacksonville to Seattle starts from $332 round-trip, up to an average price of $480. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Fife
Westport
Centralia
Kirkland
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Jacksonville to Seattle?

Finding the right flight to Seattle from Jacksonville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Jacksonville to Seattle with flexible booking policies on momondo?

All flight searches from Jacksonville to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Jacksonville to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Jacksonville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Jacksonville to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Jacksonville to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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