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Cheap flights from Jacksonville to Seattle from $143

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 10/30. 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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Cheap round-trip flights

Frontier Logo
11:37 am - 12:07 pmJAX-SEA
27h 30m2 stops
Frontier Logo
9:22 pm - 6:09 pmSEA-JAX
17h 47m2 stops
$326Frontier
Find Deal
Fri, Oct 17 - Thu, Oct 30
Frontier Logo
7:04 pm - 6:32 pmJAX-SEA
26h 28m2 stops
Frontier Logo
12:58 pm - 12:39 pmSEA-JAX
44h 41m2 stops
$327Frontier
Find Deal
Fri, Nov 7 - Wed, Nov 12
Delta Logo
5:10 am - 10:14 amJAX-SEA
8h 04m1 stop
Delta Logo
6:00 am - 4:27 pmSEA-JAX
7h 27m1 stop
$334Delta
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Wed, Oct 29 - Sat, Nov 1
United Airlines Logo
7:00 am - 3:32 pmJAX-SEA
11h 32m2 stops
United Airlines Logo
12:43 pm - 11:15 pmSEA-JAX
7h 32m1 stop
$339United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 18
American Airlines Logo
7:22 am - 1:46 pmJAX-SEA
9h 24m1 stop
American Airlines Logo
11:04 am - 10:58 pmSEA-JAX
8h 54m1 stop
$342American Airlines
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Wed, Oct 15 - Fri, Oct 31
Delta Logo
12:14 pm - 8:16 pmJAX-SEA
11h 02m1 stop
Delta Logo
6:00 am - 5:30 pmSEA-JAX
8h 30m1 stop
$348Delta
Find Deal
Fri, Oct 24 - Wed, Oct 29
United Airlines Logo
4:20 pm - 9:34 pmJAX-SEA
8h 14m1 stop
United Airlines Logo
7:37 pm - 10:41 amSEA-JAX
12h 04m2 stops
$353United Airlines
Find Deal
Wed, Oct 15 - Fri, Oct 17
Southwest Logo
12:55 pm - 9:00 pmJAX-SEA
11h 05m2 stops
Southwest Logo
5:40 am - 9:05 pmSEA-JAX
12h 25m2 stops
$367Southwest
Find Deal
Sat, Dec 6 - Thu, Dec 11
Southwest Logo
2:40 pm - 8:15 pmJAX-SEA
8h 35m1 stop
Southwest Logo
5:50 am - 6:15 pmSEA-JAX
9h 25m2 stops
$373Southwest
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Fri, Oct 24 - Tue, Oct 28
American Airlines Logo
6:00 am - 12:37 pmJAX-SEA
9h 37m1 stop
American Airlines Logo
10:13 pm - 8:43 amSEA-JAX
7h 30m1 stop
$374American Airlines
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Tue, Dec 23 - Tue, Dec 30

JetBlue flights from Jacksonville to Seattle

Our best JetBlue deals on Jacksonville to Seattle flight tickets
JetBlue
Oct 17
JAX11:30 amJacksonville
14h 06m
1 stop
SEA10:36 pmSeattle/Tacoma Intl
Oct 21
SEA11:56 pmSeattle/Tacoma Intl
13h 21m
1 stop
JAX4:17 pmJacksonville
$330
Find similar
JetBlue
Oct 17
JAX5:12 pmJacksonville
32h 24m
1 stop
SEA10:36 pmSeattle/Tacoma Intl
Oct 21
SEA11:40 pmSeattle/Tacoma Intl
13h 37m
1 stop
JAX4:17 pmJacksonville
$347
Find similar
JetBlue
Oct 3
JAX5:12 pmJacksonville
32h 12m
1 stop
SEA10:24 pmSeattle/Tacoma Intl
Oct 10
SEA11:40 pmSeattle/Tacoma Intl
32h 00m
1 stop
JAX10:40 amJacksonville
$356
Find similar

American Airlines flights from Jacksonville to Seattle

Our best American Airlines deals on Jacksonville to Seattle flight tickets
American Airlines
Oct 15
JAX7:22 amJacksonville
9h 24m
1 stop
SEA1:46 pmSeattle/Tacoma Intl
Oct 31
SEA11:04 amSeattle/Tacoma Intl
8h 54m
1 stop
JAX10:58 pmJacksonville
$342
Find similar
American Airlines
Dec 23
JAX6:00 amJacksonville
9h 37m
1 stop
SEA12:37 pmSeattle/Tacoma Intl
Dec 30
SEA10:13 pmSeattle/Tacoma Intl
7h 30m
1 stop
JAX8:43 amJacksonville
$374
Find similar
American Airlines
Nov 8
JAX9:11 amJacksonville
9h 20m
1 stop
SEA3:31 pmSeattle/Tacoma Intl
Nov 12
SEA12:59 amSeattle/Tacoma Intl
7h 28m
1 stop
JAX11:27 amJacksonville
$385
Find similar

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 September 17, 2025.
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

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 10/17

11:37 am-12:07 pm

2 stops27h 30m

Seattle/Tacoma Intl

Thu 10/30

9:22 pm-6:09 pm

2 stops17h 47m

$326

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 11/7

7:04 pm-6:32 pm

2 stops26h 28m

Seattle/Tacoma Intl

Wed 11/12

12:58 pm-12:39 pm

2 stops44h 41m

$327

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 10/29

5:10 am-10:14 am

1 stop8h 04m

Seattle/Tacoma Intl

Sat 11/1

6:00 am-4:27 pm

1 stop7h 27m

$334

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 10/7

7:00 am-3:32 pm

2 stops11h 32m

Seattle/Tacoma Intl

Sat 10/18

12:43 pm-11:15 pm

1 stop7h 32m

$339

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 10/15

7:22 am-1:46 pm

1 stop9h 24m

Seattle/Tacoma Intl

Fri 10/31

11:04 am-10:58 pm

1 stop8h 54m

$342

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 10/24

12:14 pm-8:16 pm

1 stop11h 02m

Seattle/Tacoma Intl

Wed 10/29

6:00 am-5:30 pm

1 stop8h 30m

$348

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Wed 10/15

4:20 pm-9:34 pm

1 stop8h 14m

Seattle/Tacoma Intl

Fri 10/17

7:37 pm-10:41 am

2 stops12h 04m

$353

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Sat 12/6

12:55 pm-9:00 pm

2 stops11h 05m

Seattle/Tacoma Intl

Thu 12/11

5:40 am-9:05 pm

2 stops12h 25m

$367

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Fri 10/24

2:40 pm-8:15 pm

1 stop8h 35m

Seattle/Tacoma Intl

Tue 10/28

5:50 am-6:15 pm

2 stops9h 25m

$373

JacksonvilleSeattle

JAX - SEA

JAXSEA

Jacksonville

Tue 12/23

6:00 am-12:37 pm

1 stop9h 37m

Seattle/Tacoma Intl

Tue 12/30

10:13 pm-8:43 am

1 stop7h 30m

$374

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, October 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 $412. If you don’t want to visit Seattle in October, then you should wait until January to fly from Jacksonville, when ticket prices are also cheap, with an average price of $416.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Jacksonville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $467. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Jacksonville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $586.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Jacksonville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $516 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $554. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $382 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 September 2025, prices for Jacksonville to Seattle flights are approximately 8% 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

5h 59m

Direct flights

Tue

Airports in Seattle

1 airport
The fastest flight from Jacksonville to Seattle takes 5h 59m
Direct flights go from Jacksonville to Seattle on Tuesday. The only airline offering direct flights is American Airlines.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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 44m.

  • 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 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 $161Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
DeltaPriceFrom $255Free CancellationRating
7.9
7,961 reviews
Search Delta flights
JetBluePriceFrom $266Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $396Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $456Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Southwest Flights From Jacksonville to Seattle

    Southwest is one of the most popular airlines flying from Jacksonville to Seattle, operating 3 flights/week on average for this route. A good Southwest flight deal for Jacksonville to Seattle starts from $396 round-trip, up to an average price of $536. Our users have rated Southwest at 8.0/10.

Traveling to a place near Seattle?

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

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.

An easier way to manage your Seattle trip

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