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Cheap flights from Seattle to Jacksonville from C$ 242

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
28 Feb — 7 Mar1
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 29 January 2026.

Wed 22/46:00 a.m.
SEA
-
JAX
1 stop12h 15m
Southwest
Wed 29/44:30 p.m.
JAX
-
SEA
1 stop9h 00m
Southwest
Deal found 26/1C$ 494
Tue 3/311:05 p.m.
SEA
-
JAX
1 stop6h 39m
Delta
Thu 5/34:01 p.m.
JAX
-
SEA
1 stop10h 11m
Delta
Deal found 28/1C$ 505
Sat 28/29:55 p.m.
SEA
-
JAX
1 stop9h 39m
Delta
Tue 10/37:10 a.m.
JAX
-
SEA
1 stop18h 10m
Delta
Deal found 26/1C$ 509
Sat 28/29:55 p.m.
SEA
-
JAX
1 stop9h 39m
Delta
Mon 9/36:41 p.m.
JAX
-
SEA
1 stop8h 14m
Delta
Deal found 26/1C$ 510
Mon 20/411:35 p.m.
SEA
-
JAX
1 stop7h 56m
United Airlines
Wed 22/49:20 a.m.
JAX
-
SEA
2 stops12h 15m
United Airlines
Deal found 27/1C$ 512
Tue 3/39:55 a.m.
SEA
-
JAX
1 stop9h 00m
Southwest
Tue 10/33:40 p.m.
JAX
-
SEA
2 stops12h 00m
Southwest
Deal found 26/1C$ 517
Mon 20/45:30 a.m.
SEA
-
JAX
2 stops9h 55m
Southwest
Wed 22/41:50 p.m.
JAX
-
SEA
2 stops11h 40m
Southwest
Deal found 27/1C$ 519
Thu 5/35:15 a.m.
SEA
-
JAX
1 stop13h 50m
Southwest
Tue 10/33:40 p.m.
JAX
-
SEA
2 stops12h 00m
Southwest
Deal found 27/1C$ 520
Mon 2/311:15 p.m.
SEA
-
JAX
1 stop8h 59m
Delta
Tue 10/37:10 a.m.
JAX
-
SEA
1 stop18h 10m
Delta
Deal found 26/1C$ 521
Mon 2/39:55 p.m.
SEA
-
JAX
1 stop9h 39m
Delta
Mon 9/35:33 p.m.
JAX
-
SEA
1 stop9h 22m
Delta
Deal found 26/1C$ 523

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 29 January 2026.

Round-trip from

C$ 494

One-way from

C$ 242

Popular in

May

Cheapest in

September

Average price

C$ 607
Southwest
  • Southwest
  • 22/4-29/4
  • 2 total stops
  • 21h 15m total
  • Seattle to Jacksonville
Search Deals
Sun Country Air
  • Sun Country Air
  • 5/4
  • 1 total stop
  • 7h 57m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 29 January 2026.
Use the filters below to find and compare flights from Seattle to Jacksonville that are best for you.

Fly from

Seattle

Fly to

Jacksonville

Route

Depart

Return

Price

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 28/2

9:55 p.m.-10:34 a.m.

1 stop9h 39m

Jacksonville

Sat 7/3

5:57 p.m.-11:10 p.m.

1 stop8h 13m

C$ 510

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 3/3

6:15 a.m.-4:51 p.m.

1 stop7h 36m

Jacksonville

Sat 7/3

5:57 p.m.-11:10 p.m.

1 stop8h 13m

C$ 510

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 5/3

5:15 a.m.-10:05 p.m.

1 stop13h 50m

Jacksonville

Tue 10/3

3:40 p.m.-12:40 a.m.

2 stops12h 00m

C$ 520

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 2/3

11:15 p.m.-11:14 a.m.

1 stop8h 59m

Jacksonville

Tue 10/3

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

1 stop18h 10m

C$ 521

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 23/2

8:17 a.m.-8:14 p.m.

1 stop8h 57m

Jacksonville

Mon 2/3

4:39 p.m.-11:51 p.m.

1 stop10h 12m

C$ 523

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 23/2

8:35 a.m.-9:55 p.m.

2 stops10h 20m

Jacksonville

Mon 2/3

4:20 p.m.-10:50 p.m.

1 stop9h 30m

C$ 529

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 26/2

5:15 a.m.-10:00 p.m.

2 stops13h 45m

Jacksonville

Thu 5/3

2:30 p.m.-10:50 p.m.

2 stops11h 20m

C$ 536

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 1/3

9:55 p.m.-6:17 p.m.

1 stop17h 22m

Jacksonville

Mon 9/3

6:41 p.m.-11:55 p.m.

1 stop8h 14m

C$ 547

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 17/4

11:35 p.m.-10:31 a.m.

1 stop7h 56m

Jacksonville

Sat 25/4

8:00 a.m.-4:03 p.m.

1 stop11h 03m

C$ 558

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 28/2

9:55 p.m.-10:34 a.m.

1 stop9h 39m

Jacksonville

Thu 12/3

2:41 p.m.-8:47 p.m.

1 stop9h 06m

C$ 561

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 23 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Jacksonville. Price data was last updated on 23 January 2026.

The best time to book flights from Seattle to Jacksonville is 48 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, June is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 202). Flying from Seattle to Jacksonville in April is currently the most expensive (average of C$ 448). 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.

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$ 517, Delta can have you in Jacksonville from Seattle in 9h. 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, June is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 202). Flying from Seattle to Jacksonville in April is currently the most expensive (average of C$ 448). 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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Bellingham to Miami flights

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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