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Cheap flights from Seattle to Jacksonville from C$ 146

SEA — JAX
13 Oct — 20 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

Tue 29/911:13 p.m. -
1 stop8h 38m
Tue 6/104:58 p.m. -
1 stop8h 58m
Deal found 8/9C$ 516
Tue 20/1011:59 p.m. -
1 stop7h 53m
Mon 26/107:30 a.m. -
1 stop11h 02m
Deal found 8/9C$ 523
Sat 14/116:45 a.m. -
1 stop7h 00m
Thu 19/118:45 a.m. -
1 stop12h 05m
Deal found 9/9C$ 530
Tue 17/117:40 a.m. -
2 stops11h 35m
Wed 2/121:55 p.m. -
2 stops11h 35m
Deal found 9/9C$ 537
Wed 9/129:25 a.m. -
2 stops8h 50m
Mon 14/126:35 a.m. -
2 stops14h 15m
Deal found 8/9C$ 545
Mon 2/1111:59 p.m. -
1 stop8h 54m
Fri 6/118:28 a.m. -
1 stop10h 48m
Deal found 9/9C$ 546
Mon 9/115:30 a.m. -
1 stop7h 35m
Sat 14/1110:40 a.m. -
2 stops12h 50m
Deal found 9/9C$ 553
Wed 2/127:00 a.m. -
1 stop7h 59m
Tue 8/124:45 p.m. -
Nonstop8h 58m
Deal found 10/9C$ 565
Thu 22/1011:45 a.m. -
1 stop8h 02m
Mon 26/105:10 a.m. -
1 stop7h 53m
Deal found 10/9C$ 574
Sun 11/1011:14 p.m. -
1 stop8h 46m
Sat 17/104:58 p.m. -
1 stop8h 58m
Deal found 9/9C$ 592

Find flight deals from Seattle to Jacksonville

Round-trip from

C$ 516

One-way from

C$ 146

Popular in

March

Cheapest in

August

Average price

C$ 663
United Airlines
  • United Airlines
  • 14/10-20/10
  • 2 total stops
  • 18h 27m total
  • Seattle to Jacksonville
Search Deals
Frontier
  • Frontier
  • 6/11-31/12
  • 2 total stops
  • 23h 01m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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
Quickest round-trip

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Sat 7/11

1:40 p.m.-11:56 p.m.

1 stop7h 16m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 262

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Wed 4/11

1:40 p.m.-11:56 p.m.

1 stop7h 16m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 262

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Mon 2/11

1:40 p.m.-11:56 p.m.

1 stop7h 16m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 262

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Sat 24/10

7:15 a.m.-9:55 p.m.

1 stop11h 40m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 262

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Sun 8/11

8:30 a.m.-9:31 p.m.

1 stop10h 01m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 338

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Thu 17/12

5:30 a.m.-4:05 p.m.

1 stop7h 35m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 338

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Tue 1/12

7:40 a.m.-10:20 p.m.

2 stops11h 40m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 340

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Wed 21/10

6:30 a.m.-11:20 p.m.

2 stops13h 50m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 345

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Sat 24/10

9:05 a.m.-11:20 p.m.

2 stops11h 15m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 345

SeattleJacksonville

SEA Seattle/Tacoma Intl - JAX Jacksonville

SEAJAX

Seattle/Tacoma Intl

Sun 1/11

10:59 p.m.-11:37 a.m.

1 stop9h 38m

Jacksonville

Wed 31/12

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

Nonstop0h 00m

C$ 352

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

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$ 628). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 745). 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 typical for this route at the moment.

Seattle to Jacksonville flights typically cost between C$ 512 and C$ 738 in September.
The cheapest round-trip price found within the last 5 days was C$ 516 on United Airlines (29 Sep-6 Oct).

Related info for your journey

  • How long is the flight from Seattle to Jacksonville?

    For as low as C$ 516, United Airlines can have you in Jacksonville from Seattle in 7h 45m. 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$ 628). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 745). 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 Fort Lauderdale flights
Seattle to Orlando flights
Bellingham to Miami flights
Seattle to Tampa flights

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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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