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Cheap flights from Seattle to Jacksonville from C$ 233

SEA — JAX
22 Sep — 29 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Jacksonville

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Jacksonville

Sat 5/98:10 a.m. -
1 stop9h 44m
Sat 19/94:45 p.m. -
1 stop9h 00m
Deal found 21/8C$ 457
Mon 14/911:59 p.m. -
1 stop7h 09m
Mon 21/95:40 p.m. -
1 stop9h 15m
Deal found 21/8C$ 464
Tue 15/99:00 a.m. -
2 stops11h 39m
Tue 22/97:05 a.m. -
1 stop8h 43m
Deal found 18/8C$ 471
Mon 19/1012:10 a.m. -
2 stops9h 40m
Tue 27/106:40 a.m. -
2 stops10h 40m
Deal found 19/8C$ 478
Mon 5/1011:14 p.m. -
1 stop8h 46m
Fri 9/104:58 p.m. -
1 stop8h 58m
Deal found 20/8C$ 479
Fri 18/910:40 p.m. -
1 stop9h 51m
Tue 22/96:59 p.m. -
1 stop7h 59m
Deal found 21/8C$ 486
Wed 30/95:20 a.m. -
2 stops11h 25m
Wed 21/102:00 p.m. -
2 stops10h 40m
Deal found 18/8C$ 491
Wed 16/95:20 a.m. -
1 stop13h 00m
Wed 23/92:05 p.m. -
2 stops12h 05m
Deal found 18/8C$ 493
Thu 10/911:00 p.m. -
1 stop11h 20m
Mon 14/94:50 p.m. -
1 stop9h 10m
Deal found 19/8C$ 498
Fri 18/911:04 p.m. -
1 stop8h 41m
Fri 25/94:58 p.m. -
1 stop8h 58m
Deal found 19/8C$ 501
Tue 15/95:20 a.m. -
2 stops11h 25m
Tue 22/95:25 p.m. -
1 stop9h 15m
Deal found 18/8C$ 507
Fri 18/910:40 p.m. -
1 stop9h 51m
Fri 25/96:59 p.m. -
1 stop7h 59m
Deal found 21/8C$ 508

Find flight deals from Seattle to Jacksonville

Round-trip from

C$ 457

One-way from

C$ 233

Popular in

March

Cheapest in

August

Average price

C$ 624
United Airlines
  • United Airlines
  • 5/9-19/9
  • 2 total stops
  • 18h 44m total
  • Seattle to Jacksonville
Search Deals
United Airlines
  • United Airlines
  • 8/9
  • 1 total stop
  • 8h 51m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
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

Cheapest round-trip

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Sat 5/9

11:59 p.m.-10:45 a.m.

1 stop7h 46m

Jacksonville

Sat 19/9

4:45 p.m.-10:45 p.m.

1 stop9h 00m

C$ 457

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Mon 7/12

10:40 p.m.-11:11 a.m.

1 stop9h 31m

Jacksonville

Thu 10/12

4:45 p.m.-10:29 p.m.

1 stop8h 44m

C$ 457

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Thu 15/10

11:45 a.m.-11:56 p.m.

1 stop9h 11m

Jacksonville

Thu 29/10

3:54 p.m.-10:03 p.m.

1 stop9h 09m

C$ 464

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Fri 18/9

10:40 p.m.-11:31 a.m.

1 stop9h 51m

Jacksonville

Fri 25/9

6:59 p.m.-11:58 p.m.

1 stop7h 59m

C$ 508

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Tue 15/9

11:05 p.m.-12:55 p.m.

2 stops10h 50m

Jacksonville

Tue 22/9

3:35 p.m.-11:10 p.m.

2 stops10h 35m

C$ 513

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Tue 13/10

6:15 a.m.-6:30 p.m.

2 stops9h 15m

Jacksonville

Tue 27/10

2:25 p.m.-10:40 p.m.

2 stops11h 15m

C$ 557

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Fri 4/9

7:00 a.m.-7:25 p.m.

1 stop9h 25m

Jacksonville

Sat 19/9

4:45 p.m.-10:45 p.m.

1 stop9h 00m

C$ 643

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Fri 16/10

11:14 p.m.-11:00 a.m.

1 stop8h 46m

Jacksonville

Tue 27/10

9:45 a.m.-8:56 p.m.

2 stops14h 11m

C$ 644

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Thu 3/9

5:00 a.m.-3:33 p.m.

1 stop7h 33m

Jacksonville

Sun 6/9

7:05 a.m.-4:14 p.m.

2 stops12h 09m

C$ 657
Quickest round-trip

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Tue 2/2

7:00 a.m.-5:57 p.m.

1 stop7h 57m

Jacksonville

Sat 6/2

4:45 p.m.-10:29 p.m.

1 stop8h 44m

C$ 663

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/8

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Jacksonville

Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Jacksonville

How far ahead should I book a flight from Seattle to Jacksonville?

The best time to book flights from Seattle to Jacksonville is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Jacksonville?

Currently, August is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 624). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 739). 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.

How much does it cost to fly round-trip from Seattle to Jacksonville?

Airfare is below average for this route at the moment.

Seattle to Jacksonville flights typically cost between C$ 518 and C$ 783 in September.
The cheapest round-trip price found within the last 5 days was C$ 457 on United Airlines (5 Sep-19 Sep).

Related info for your journey

  • How long is the flight from Seattle to Jacksonville?

    For as low as C$ 457, United Airlines can have you in Jacksonville from Seattle in 7h 46m. There are 3924 km between Seattle and Jacksonville. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Seattle to Jacksonville that include hotel bookings?

    Yes. In addition to deals on Seattle to Jacksonville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Jacksonville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Jacksonville.

  • Can I find deals for business class flights from Seattle to Jacksonville?

    Yes. Cheapflights offers flight deals from Seattle to Jacksonville 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 Seattle to Jacksonville?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 624). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 739). 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

Travelling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Kingsland

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Alternative routes for Seattle to Jacksonville

Seattle to Miami flights
Seattle to Fort Lauderdale flights
Seattle to Orlando flights
Bellingham to Miami flights
Seattle to Tampa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Jacksonville?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Jacksonville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Jacksonville?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Jacksonville from Seattle.

Can Cheapflights find flights from Seattle to Jacksonville with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Jacksonville with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Jacksonville become cheaper?

Yes! Start tracking prices for Seattle to Jacksonville flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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