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Cheap flights from Seattle to Jacksonville from C$ 216

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
7 Aug — 14 Aug1
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 8 July 2026.

Tue 13/1011:14 p.m.
SEA
-
JAX
1 stop8h 46m
United Airlines
Tue 20/104:58 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 7/7C$ 423
Tue 11/86:00 a.m.
SEA
-
JAX
1 stop7h 29m
Delta
Tue 18/811:16 a.m.
JAX
-
SEA
1 stop7h 44m
Delta
Deal found 8/7C$ 430
Sat 22/87:16 a.m.
SEA
-
JAX
1 stop7h 29m
Delta
Sat 29/812:07 p.m.
JAX
-
SEA
1 stop9h 38m
Delta
Deal found 7/7C$ 433
Tue 25/86:25 a.m.
SEA
-
JAX
2 stops10h 15m
Southwest
Mon 31/84:50 p.m.
JAX
-
SEA
1 stop9h 05m
Southwest
Deal found 7/7C$ 443
Sun 6/96:05 a.m.
SEA
-
JAX
1 stop7h 47m
Delta
Thu 17/92:31 p.m.
JAX
-
SEA
1 stop9h 17m
Delta
Deal found 8/7C$ 476
Tue 18/811:59 p.m.
SEA
-
JAX
1 stop7h 46m
United Airlines
Mon 31/84:45 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 7/7C$ 486
Mon 2/115:30 a.m.
SEA
-
JAX
1 stop7h 35m
Southwest
Fri 6/117:05 p.m.
JAX
-
SEA
1 stop8h 25m
Southwest
Deal found 7/7C$ 496
Fri 30/1011:03 p.m.
SEA
-
JAX
1 stop9h 08m
United Airlines
Mon 2/113:39 p.m.
JAX
-
SEA
2 stops10h 23m
United Airlines
Deal found 8/7C$ 500
Sat 22/811:59 p.m.
SEA
-
JAX
1 stop7h 46m
United Airlines
Sat 29/811:40 a.m.
JAX
-
SEA
2 stops12h 03m
United Airlines
Deal found 7/7C$ 501
Fri 30/105:50 a.m.
SEA
-
JAX
1 stop10h 05m
Southwest
Mon 2/117:20 a.m.
JAX
-
SEA
1 stop8h 55m
Southwest
Deal found 7/7C$ 504

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 8 July 2026.

Round-trip from

C$ 423

One-way from

C$ 216

Popular in

March

Cheapest in

August

Average price

C$ 696
United Airlines
  • United Airlines
  • 13/10-20/10
  • 2 total stops
  • 17h 44m total
  • Seattle to Jacksonville
Search Deals
Delta
  • Delta
  • 6/8
  • 1 total stop
  • 8h 57m 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$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 8 July 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

Tue 13/10

10:50 a.m.-9:15 p.m.

1 stop7h 25m

Jacksonville

Tue 20/10

2:00 p.m.-9:40 p.m.

2 stops10h 40m

C$ 443

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 19/8

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

1 stop8h 55m

Jacksonville

Mon 24/8

4:30 p.m.-9:45 p.m.

1 stop8h 15m

C$ 557

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 6/9

5:10 a.m.-7:05 p.m.

2 stops10h 55m

Jacksonville

Thu 17/9

4:30 p.m.-9:45 p.m.

1 stop8h 15m

C$ 564

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 9/10

12:10 a.m.-1:45 p.m.

1 stop10h 35m

Jacksonville

Sun 25/10

1:55 p.m.-7:40 p.m.

1 stop8h 45m

C$ 564

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 29/9

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

1 stop8h 46m

Jacksonville

Wed 30/9

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

1 stop8h 58m

C$ 580

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 7/9

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

2 stops10h 50m

Jacksonville

Thu 17/9

4:30 p.m.-9:45 p.m.

1 stop8h 15m

C$ 607

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 14/8

8:40 a.m.-9:46 p.m.

1 stop10h 06m

Jacksonville

Fri 21/8

4:45 p.m.-10:43 p.m.

1 stop8h 58m

C$ 671
Quickest round-trip

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 10/8

11:49 p.m.-10:45 a.m.

1 stop7h 56m

Jacksonville

Tue 18/8

4:45 p.m.-10:43 p.m.

1 stop8h 58m

C$ 671

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 14/10

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

1 stop9h 09m

Jacksonville

Tue 27/10

4:45 p.m.-10:53 p.m.

1 stop9h 08m

C$ 671

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 2/11

9:55 p.m.-10:44 a.m.

1 stop9h 49m

Jacksonville

Fri 6/11

3:53 p.m.-10:03 p.m.

1 stop9h 10m

C$ 678

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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$ 590). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 763). 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$ 443, Southwest can have you in Jacksonville from Seattle in 7h 25m. There are 3924 km between Seattle and Jacksonville.

  • 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$ 590). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 763). 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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