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Cheap flights from Seattle to Jacksonville from C$ 259

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
24 Aug — 31 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 25 July 2026.

Wed 16/912:10 p.m.
SEA
-
JAX
1 stop8h 10m
United Airlines
Tue 22/94:45 p.m.
JAX
-
SEA
1 stop9h 00m
United Airlines
Deal found 22/7C$ 510
Mon 5/1011:59 p.m.
SEA
-
JAX
1 stop7h 17m
Delta
Tue 13/103:53 p.m.
JAX
-
SEA
1 stop9h 10m
Delta
Deal found 22/7C$ 517
Thu 27/811:03 a.m.
SEA
-
JAX
2 stops9h 17m
United Airlines
Tue 1/94:45 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 22/7C$ 519
Wed 19/86:40 a.m.
SEA
-
JAX
1 stop10h 45m
Southwest
Wed 26/82:05 p.m.
JAX
-
SEA
1 stop9h 20m
Southwest
Deal found 22/7C$ 524
Mon 21/910:40 p.m.
SEA
-
JAX
1 stop9h 51m
Delta
Tue 20/106:59 p.m.
JAX
-
SEA
1 stop7h 53m
Delta
Deal found 24/7C$ 531
Thu 20/811:00 p.m.
SEA
-
JAX
1 stop13h 55m
Southwest
Wed 26/86:15 a.m.
JAX
-
SEA
2 stops10h 05m
Southwest
Deal found 22/7C$ 533
Sat 19/911:05 p.m.
SEA
-
JAX
2 stops11h 15m
Southwest
Sat 26/96:15 a.m.
JAX
-
SEA
2 stops9h 55m
Southwest
Deal found 24/7C$ 538
Tue 29/97:10 a.m.
SEA
-
JAX
2 stops9h 35m
Southwest
Sat 31/106:15 a.m.
JAX
-
SEA
2 stops14h 35m
Southwest
Deal found 23/7C$ 540
Thu 13/812:10 p.m.
SEA
-
JAX
1 stop8h 10m
United Airlines
Tue 25/811:40 a.m.
JAX
-
SEA
1 stop10h 28m
United Airlines
Deal found 22/7C$ 555
Sat 5/911:05 p.m.
SEA
-
JAX
2 stops13h 00m
Southwest
Wed 9/92:05 p.m.
JAX
-
SEA
2 stops12h 00m
Southwest
Deal found 21/7C$ 557
Fri 2/107:00 a.m.
SEA
-
JAX
1 stop9h 09m
United Airlines
Mon 5/104:58 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 25/7C$ 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 25 July 2026.

Round-trip from

C$ 510

One-way from

C$ 259

Popular in

March

Cheapest in

September

Average price

C$ 727
United Airlines
  • United Airlines
  • 16/9-22/9
  • 2 total stops
  • 17h 10m total
  • Seattle to Jacksonville
Search Deals
Delta
  • Delta
  • 9/9
  • 1 total stop
  • 7h 39m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 35 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 25 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 15/9

11:59 p.m.-10:45 a.m.

1 stop7h 46m

Jacksonville

Tue 22/9

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

1 stop9h 00m

C$ 510

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 22/8

5:00 a.m.-3:33 p.m.

1 stop7h 33m

Jacksonville

Sat 29/8

11:40 a.m.-7:08 p.m.

1 stop10h 28m

C$ 517
Quickest round-trip

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 18/8

11:59 p.m.-10:45 a.m.

1 stop7h 46m

Jacksonville

Tue 25/8

7:05 a.m.-12:48 p.m.

1 stop8h 43m

C$ 517

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 21/9

11:59 p.m.-10:45 a.m.

1 stop7h 46m

Jacksonville

Sat 26/9

3:00 p.m.-11:27 p.m.

2 stops11h 27m

C$ 524

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 18/8

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

1 stop8h 55m

Jacksonville

Tue 25/8

5:34 p.m.-11:57 p.m.

1 stop9h 23m

C$ 531

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 21/9

11:05 p.m.-2:55 p.m.

2 stops12h 50m

Jacksonville

Sat 26/9

6:40 a.m.-1:10 p.m.

2 stops9h 30m

C$ 531

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 15/9

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

2 stops10h 15m

Jacksonville

Tue 22/9

2:05 p.m.-11:05 p.m.

2 stops12h 00m

C$ 531

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 19/9

11:05 p.m.-1:20 p.m.

2 stops11h 15m

Jacksonville

Sat 26/9

6:15 a.m.-1:10 p.m.

2 stops9h 55m

C$ 538

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 5/9

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

2 stops13h 00m

Jacksonville

Wed 9/9

2:05 p.m.-11:05 p.m.

2 stops12h 00m

C$ 557

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 4/9

11:25 a.m.-9:45 p.m.

1 stop7h 20m

Jacksonville

Tue 8/9

5:25 p.m.-11:35 p.m.

1 stop9h 10m

C$ 595

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 23 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 74 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$ 620). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 757). 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$ 607 and C$ 830 in September.
The cheapest round-trip price found within the last 5 days was C$ 510 on United Airlines (16 Sep-22 Sep).

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$ 510, United Airlines can have you in Jacksonville from Seattle in 7h 46m. 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$ 620). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 757). 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

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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