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Cheap flights from Seattle to Jacksonville from C$ 229

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
20 Jul — 27 Jul1
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
Explore the most affordable flight options available from Seattle to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 June 2026.

Tue 30/61:35 p.m.
SEA
-
JAX
1 stop7h 24m
Delta
Sat 4/711:45 a.m.
JAX
-
SEA
1 stop10h 00m
Delta
Deal found 19/6C$ 457
Sat 5/911:59 p.m.
SEA
-
JAX
1 stop7h 46m
United Airlines
Sat 12/94:45 p.m.
JAX
-
SEA
1 stop9h 00m
United Airlines
Deal found 17/6C$ 507
Tue 11/811:59 p.m.
SEA
-
JAX
1 stop7h 46m
United Airlines
Tue 18/84:45 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 15/6C$ 515
Tue 25/86:05 a.m.
SEA
-
JAX
1 stop7h 47m
Delta
Wed 14/106:46 p.m.
JAX
-
SEA
1 stop8h 23m
Delta
Deal found 16/6C$ 522
Tue 25/86:25 a.m.
SEA
-
JAX
2 stops10h 15m
Southwest
Sat 29/86:15 a.m.
JAX
-
SEA
2 stops9h 55m
Southwest
Deal found 18/6C$ 536
Wed 12/811:59 p.m.
SEA
-
JAX
1 stop7h 46m
United Airlines
Mon 17/84:45 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 16/6C$ 539
Thu 27/87:16 a.m.
SEA
-
JAX
1 stop7h 38m
Delta
Wed 14/101:45 p.m.
JAX
-
SEA
1 stop10h 00m
Delta
Deal found 16/6C$ 546
Wed 12/810:30 p.m.
SEA
-
JAX
1 stop8h 55m
Southwest
Mon 17/82:00 p.m.
JAX
-
SEA
2 stops10h 45m
Southwest
Deal found 16/6C$ 553
Tue 21/79:45 p.m.
SEA
-
JAX
1 stop8h 51m
Delta
Tue 28/77:04 a.m.
JAX
-
SEA
1 stop10h 46m
Delta
Deal found 19/6C$ 558
Tue 25/86:25 a.m.
SEA
-
JAX
2 stops10h 15m
Southwest
Mon 12/105:10 a.m.
JAX
-
SEA
2 stops12h 15m
Southwest
Deal found 16/6C$ 561

Find flight deals from Seattle to Jacksonville

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Jacksonville (JAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 June 2026.

Round-trip from

C$ 457

One-way from

C$ 229

Popular in

March

Cheapest in

August

Average price

C$ 670
Delta
  • Delta
  • 30/6-4/7
  • 2 total stops
  • 16h 39m total
  • Seattle to Jacksonville
Search Deals
Delta
  • Delta
  • 30/6
  • 1 total stop
  • 8h 59m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 20 June 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

Cheapest round-trip

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 26/8

11:10 p.m.-11:07 a.m.

1 stop8h 57m

Jacksonville

Tue 6/10

5:30 a.m.-10:26 a.m.

1 stop7h 56m

C$ 522

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 19/8

5:30 a.m.-5:25 p.m.

1 stop8h 55m

Jacksonville

Fri 21/8

2:31 p.m.-8:50 p.m.

1 stop9h 19m

C$ 599

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 14/7

9:25 p.m.-10:25 a.m.

1 stop10h 00m

Jacksonville

Tue 21/7

2:55 p.m.-11:35 p.m.

2 stops11h 40m

C$ 607

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 21/7

9:25 p.m.-10:25 a.m.

1 stop10h 00m

Jacksonville

Sun 26/7

1:50 p.m.-6:55 p.m.

1 stop8h 05m

C$ 634

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 11/8

6:25 a.m.-7:40 p.m.

2 stops10h 15m

Jacksonville

Tue 18/8

3:35 p.m.-11:05 p.m.

2 stops10h 30m

C$ 637
Quickest round-trip

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 1/7

7:20 a.m.-5:59 p.m.

1 stop7h 39m

Jacksonville

Mon 6/7

7:05 p.m.-11:59 p.m.

1 stop7h 54m

C$ 651

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 29/9

8:30 a.m.-9:41 p.m.

1 stop10h 11m

Jacksonville

Wed 30/9

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

1 stop8h 58m

C$ 671

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 2/9

8:40 a.m.-11:20 p.m.

2 stops11h 40m

Jacksonville

Tue 8/9

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

1 stop9h 00m

C$ 685
Cheapest one-way

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 16/9

10:30 p.m.-10:25 a.m.

1 stop8h 55m

C$ 262

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 20/8

5:30 a.m.-5:25 p.m.

1 stop8h 55m

C$ 286

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 47 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$ 587). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 760). 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?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Jacksonville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Jacksonville?

    For as low as C$ 522, Delta can have you in Jacksonville from Seattle in 8h 57m. 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$ 587). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 760). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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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