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Cheap flights from Seattle to Jacksonville from C$ 266

SEA — JAX
23 Oct — 30 Oct1
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

Mon 2/115:30 a.m. -
1 stop7h 35m
Mon 9/117:05 p.m. -
1 stop8h 40m
Deal found 18/9C$ 500
Sat 17/107:00 a.m. -
1 stop9h 09m
Sat 24/104:58 p.m. -
1 stop8h 58m
Deal found 20/9C$ 523
Wed 21/106:00 a.m. -
1 stop8h 41m
Thu 29/102:28 p.m. -
1 stop10h 35m
Deal found 22/9C$ 530
Sat 7/116:45 a.m. -
2 stops10h 20m
Sat 14/116:40 a.m. -
2 stops12h 25m
Deal found 20/9C$ 544
Fri 4/128:09 a.m. -
1 stop9h 01m
Mon 7/124:45 p.m. -
1 stop8h 58m
Deal found 22/9C$ 545
Fri 23/1011:10 p.m. -
1 stop9h 03m
Sat 31/105:53 p.m. -
1 stop8h 59m
Deal found 22/9C$ 552
Wed 28/1012:10 a.m. -
2 stops9h 45m
Mon 2/117:05 p.m. -
1 stop8h 35m
Deal found 22/9C$ 559
Tue 20/1012:10 a.m. -
2 stops9h 40m
Wed 28/102:00 p.m. -
2 stops10h 45m
Deal found 21/9C$ 566
Fri 11/1212:15 a.m. -
2 stops12h 20m
Tue 5/11:30 p.m. -
1 stop13h 00m
Deal found 22/9C$ 568
Fri 6/119:45 p.m. -
1 stop9h 03m
Fri 13/115:50 p.m. -
1 stop9h 45m
Deal found 22/9C$ 573

Find flight deals from Seattle to Jacksonville

Round-trip from

C$ 500

One-way from

C$ 266

Popular in

December

Cheapest in

August

Average price

C$ 680
Southwest
  • Southwest
  • 2/11-9/11
  • 2 total stops
  • 16h 15m total
  • Seattle to Jacksonville
Search Deals
Delta
  • Delta
  • 19/10-31/12
  • 1 total stop
  • 8h 54m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

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

Thu 26/11

11:15 p.m.-11:17 a.m.

1 stop9h 02m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 266

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Wed 14/10

8:25 a.m.-8:54 p.m.

1 stop9h 29m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 266

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Tue 20/10

6:00 a.m.-5:41 p.m.

1 stop8h 41m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 266

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Mon 19/10

7:00 a.m.-7:09 p.m.

1 stop9h 09m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 266

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Sat 17/10

7:11 a.m.-9:41 p.m.

2 stops11h 30m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 273
Quickest round-trip

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Fri 16/10

11:59 p.m.-10:52 a.m.

1 stop7h 53m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 288

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Fri 20/11

7:00 a.m.-6:01 p.m.

1 stop8h 01m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 343

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Mon 12/10

11:59 p.m.-10:52 a.m.

1 stop7h 53m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 357

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Tue 13/10

11:59 p.m.-10:52 a.m.

1 stop7h 53m

Jacksonville

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 357

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Sat 17/10

12:00 p.m.-11:20 p.m.

1 stop8h 20m

Jacksonville

Sat 24/10

4:58 p.m.-10:56 p.m.

1 stop8h 58m

C$ 523

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/9

Showing 1-10 of 18 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$ 636). Flying from Seattle to Jacksonville in December is currently the most expensive (average of C$ 782). 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$ 556 and C$ 859 in October.
The cheapest round-trip price found within the last 5 days was C$ 523 on United Airlines (17 Oct-24 Oct).

Related info for your journey

  • How long is the flight from Seattle to Jacksonville?

    For as low as C$ 523, United Airlines can have you in Jacksonville from Seattle in 8h 20m. 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$ 636). Flying from Seattle to Jacksonville in December is currently the most expensive (average of C$ 782). 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
Jacksonville Beach

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Jacksonville

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