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Cheap flights from Seattle to Jacksonville 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 Seattle to Jacksonville departing on 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Jacksonville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:59 pm - 11:14 am
SEA
-
JAX
8h 15m
1 stop
United Airlines Logo
6:35 am - 1:07 pm
JAX
-
SEA
9h 32m
1 stop
$372United Airlines
Mon, Mar 23 - Wed, Mar 25
American Airlines Logo
12:59 am - 12:23 pm
SEA
-
JAX
8h 24m
1 stop
American Airlines Logo
7:45 pm - 12:55 am
JAX
-
SEA
8h 10m
1 stop
$373American Airlines
Mon, Mar 16 - Mon, Mar 23
United Airlines Logo
5:00 am - 9:14 pm
SEA
-
JAX
13h 14m
2 stops
United Airlines Logo
5:27 pm - 11:12 pm
JAX
-
SEA
8h 45m
1 stop
$377United Airlines
Tue, Mar 24 - Thu, Apr 2
Delta Logo
6:00 am - 5:06 pm
SEA
-
JAX
8h 06m
1 stop
Delta Logo
7:00 am - 2:42 pm
JAX
-
SEA
10h 42m
1 stop
$378Delta
Sat, Apr 18 - Fri, May 1
United Airlines Logo
11:59 pm - 10:21 am
SEA
-
JAX
7h 22m
1 stop
United Airlines Logo
11:32 am - 4:41 pm
JAX
-
SEA
8h 09m
1 stop
$379United Airlines
Sun, Apr 12 - Wed, Apr 15
United Airlines Logo
7:37 pm - 10:31 am
SEA
-
JAX
11h 54m
2 stops
United Airlines Logo
11:32 am - 4:37 pm
JAX
-
SEA
8h 05m
1 stop
$383United Airlines
Mon, Apr 13 - Fri, Apr 17
Southwest Logo
11:55 pm - 1:40 pm
SEA
-
JAX
10h 45m
2 stops
Southwest Logo
4:30 pm - 10:30 pm
JAX
-
SEA
9h 00m
1 stop
$384Southwest
Mon, Apr 6 - Tue, Apr 14
United Airlines Logo
11:59 pm - 11:14 am
SEA
-
JAX
8h 15m
1 stop
United Airlines Logo
5:27 pm - 10:50 pm
JAX
-
SEA
8h 23m
1 stop
$385United Airlines
Mon, Mar 23 - Mon, Mar 30
American Airlines Logo
10:08 pm - 8:51 am
SEA
-
JAX
7h 43m
1 stop
American Airlines Logo
7:45 pm - 12:55 am
JAX
-
SEA
8h 10m
1 stop
$386American Airlines
Wed, Mar 18 - Mon, Mar 23
American Airlines Logo
10:08 pm - 8:51 am
SEA
-
JAX
7h 43m
1 stop
American Airlines Logo
5:01 pm - 11:09 pm
JAX
-
SEA
9h 08m
1 stop
$387American Airlines
Wed, Mar 18 - Tue, Mar 24

United Airlines flights from Seattle to Jacksonville

Our best United Airlines deals on Seattle to Jacksonville flight tickets
United Airlines
Mar 23
SEA11:59 pmSeattle/Tacoma Intl
8h 15m
1 stop
JAX11:14 amJacksonville
Mar 25
JAX6:35 amJacksonville
9h 32m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
$372
United Airlines
Mar 24
SEA5:00 amSeattle/Tacoma Intl
13h 14m
2 stops
JAX9:14 pmJacksonville
Apr 2
JAX5:27 pmJacksonville
8h 45m
1 stop
SEA11:12 pmSeattle/Tacoma Intl
$377
United Airlines
Apr 13
SEA11:59 pmSeattle/Tacoma Intl
7h 22m
1 stop
JAX10:21 amJacksonville
Apr 17
JAX4:19 pmJacksonville
7h 47m
1 stop
SEA9:06 pmSeattle/Tacoma Intl
$378

Southwest flights from Seattle to Jacksonville

Our best Southwest deals on Seattle to Jacksonville flight tickets
Southwest
Apr 6
SEA11:55 pmSeattle/Tacoma Intl
10h 45m
2 stops
JAX1:40 pmJacksonville
Apr 14
JAX4:30 pmJacksonville
9h 00m
1 stop
SEA10:30 pmSeattle/Tacoma Intl
$384
Southwest
Mar 24
SEA5:30 amSeattle/Tacoma Intl
12h 40m
2 stops
JAX9:10 pmJacksonville
Apr 2
JAX5:50 amJacksonville
9h 50m
2 stops
SEA12:40 pmSeattle/Tacoma Intl
$388
Southwest
Apr 2
SEA5:15 amSeattle/Tacoma Intl
13h 50m
1 stop
JAX10:05 pmJacksonville
Apr 14
JAX2:20 pmJacksonville
11h 10m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
$390

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Jacksonville 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 February 27, 2026.
Use the filters below to find and compare flights from Seattle to Jacksonville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 3/23

11:59 pm-11:14 am

1 stop8h 15m

Jacksonville

Wed 3/25

6:35 am-1:07 pm

1 stop9h 32m

$372

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 3/16

12:59 am-12:23 pm

1 stop8h 24m

Jacksonville

Mon 3/23

7:45 pm-12:55 am

1 stop8h 10m

$373

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 3/24

5:00 am-9:14 pm

2 stops13h 14m

Jacksonville

Thu 4/2

5:27 pm-11:12 pm

1 stop8h 45m

$377

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 4/18

6:00 am-5:06 pm

1 stop8h 06m

Jacksonville

Fri 5/1

7:00 am-2:42 pm

1 stop10h 42m

$378

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 4/12

11:59 pm-10:21 am

1 stop7h 22m

Jacksonville

Wed 4/15

11:32 am-4:41 pm

1 stop8h 09m

$379

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 4/13

7:37 pm-10:31 am

2 stops11h 54m

Jacksonville

Fri 4/17

11:32 am-4:37 pm

1 stop8h 05m

$383

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 4/6

11:55 pm-1:40 pm

2 stops10h 45m

Jacksonville

Tue 4/14

4:30 pm-10:30 pm

1 stop9h 00m

$384

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 3/23

11:59 pm-11:14 am

1 stop8h 15m

Jacksonville

Mon 3/30

5:27 pm-10:50 pm

1 stop8h 23m

$385

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 3/18

10:08 pm-8:51 am

1 stop7h 43m

Jacksonville

Mon 3/23

7:45 pm-12:55 am

1 stop8h 10m

$386

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 3/18

10:08 pm-8:51 am

1 stop7h 43m

Jacksonville

Tue 3/24

5:01 pm-11:09 pm

1 stop9h 08m

$387

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 Jacksonville from

How to get the cheapest flight ticket from Seattle to Jacksonville

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 Jacksonville?

If you are unable to visit Jacksonville during the month of September, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $402.

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

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

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

You are more likely to see cheaper flights to Jacksonville from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Jacksonville for around $465 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jacksonville from Seattle for as low as $248 on momondo.

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

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

Can stopping save me money on Seattle to Jacksonville flights?

You could potentially save up to 3% on your flight if you consider stops on a Seattle to Jacksonville flight.

How have Seattle to Jacksonville flight prices changed over time?

As of February 2026, prices for Seattle to Jacksonville flights are approximately 40% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Jacksonville

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

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

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

Fastest flight time

7h 17m

Direct flights

None
The fastest flight from Seattle to Jacksonville takes 7h 17m
There are no direct flights from Seattle to Jacksonville. There are no popular flight routes from Seattle to Jacksonville.
Search flight deals

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

    The distance between Seattle/Tacoma Intl and Jacksonville is about 2450.3 mi. 7h 17m is a normal flight duration for this route.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Jacksonville Airport.

  • What documentation or ID do you need to fly to Jacksonville Airport?

    The travel and health documents you'll need for your trip to Jacksonville 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 Jacksonville 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 Seattle to Jacksonville?

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

Best airlines flying from Seattle to Jacksonville

Compare and see reviews for airlines that fly from Seattle to Jacksonville with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,349 reviews
Search United Airlines flights
DeltaPriceFrom $297Free CancellationRating
7.9
8,242 reviews
Search Delta flights
American AirlinesPriceFrom $306Free CancellationRating
7.2
11,357 reviews
Search American Airlines flights
SouthwestPriceFrom $321Free CancellationRating
8.0
4,301 reviews
Search Southwest flights

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Fernandina Beach
Jacksonville Beach
Orange Park
Kingsland
Ponte Vedra Beach
Waycross
Atlantic Beach
Neptune Beach
St Johns
Yulee
Cumberland Island

Why use momondo?

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

Finding the right flight to Jacksonville from Seattle 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 Jacksonville quick and easy, saving you time and money.

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

Yes. All flights to Jacksonville from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Of course. momondo tracks the price of Seattle to Jacksonville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Jacksonville trip

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