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Cheap flights from Seattle to Jacksonville from C$ 245

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
5 Jun — 12 Jun1
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 6 May 2026.

Tue 25/88:38 a.m.
SEA
-
JAX
1 stop10h 05m
Delta
Wed 26/82:31 p.m.
JAX
-
SEA
1 stop9h 14m
Delta
Deal found 4/5C$ 532
Wed 16/911:05 p.m.
SEA
-
JAX
2 stops11h 15m
Southwest
Wed 23/95:25 p.m.
JAX
-
SEA
1 stop9h 10m
Southwest
Deal found 3/5C$ 539
Wed 1/75:00 a.m.
SEA
-
JAX
1 stop8h 10m
Southwest
Wed 29/76:45 p.m.
JAX
-
SEA
1 stop8h 35m
Southwest
Deal found 4/5C$ 546
Wed 15/711:55 a.m.
SEA
-
JAX
1 stop8h 25m
United Airlines
Wed 29/79:20 a.m.
JAX
-
SEA
1 stop9h 35m
United Airlines
Deal found 6/5C$ 553
Wed 3/611:45 p.m.
SEA
-
JAX
1 stop9h 30m
Southwest
Wed 1/76:45 p.m.
JAX
-
SEA
1 stop8h 35m
Southwest
Deal found 6/5C$ 559
Wed 1/75:00 a.m.
SEA
-
JAX
1 stop8h 10m
Southwest
Wed 1/76:45 p.m.
JAX
-
SEA
1 stop8h 35m
Southwest
Deal found 3/5C$ 565
Wed 24/611:05 p.m.
SEA
-
JAX
1 stop9h 55m
Southwest
Tue 25/82:05 p.m.
JAX
-
SEA
2 stops10h 40m
Southwest
Deal found 3/5C$ 572
Tue 14/75:20 a.m.
SEA
-
JAX
1 stop9h 07m
Delta
Wed 29/72:31 p.m.
JAX
-
SEA
1 stop9h 15m
Delta
Deal found 6/5C$ 573
Sat 19/97:55 a.m.
SEA
-
JAX
1 stop7h 00m
Southwest
Sat 26/912:40 p.m.
JAX
-
SEA
2 stops11h 50m
Southwest
Deal found 5/5C$ 580
Wed 3/66:00 a.m.
SEA
-
JAX
2 stops12h 30m
Southwest
Wed 10/62:55 p.m.
JAX
-
SEA
2 stops11h 35m
Southwest
Deal found 6/5C$ 581

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 6 May 2026.

Round-trip from

C$ 532

One-way from

C$ 245

Popular in

May

Cheapest in

August

Average price

C$ 743
Southwest
  • Southwest
  • 16/9-23/9
  • 2 total stops
  • 16h 20m total
  • Seattle to Jacksonville
Search Deals
Frontier
  • Frontier
  • 18/6
  • 2 total stops
  • 18h 21m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 5% 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 May 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 6 May 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 25/8

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

2 stops10h 15m

Jacksonville

Sat 29/8

5:10 p.m.-9:30 p.m.

1 stop7h 20m

C$ 598

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 8/6

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

1 stop10h 00m

Jacksonville

Sat 20/6

5:50 p.m.-11:05 p.m.

1 stop8h 15m

C$ 611
Quickest round-trip

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 15/7

5:20 a.m.-5:27 p.m.

1 stop9h 07m

Jacksonville

Thu 30/7

7:09 p.m.-11:59 p.m.

1 stop7h 50m

C$ 618

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 16/7

10:40 p.m.-11:32 a.m.

1 stop9h 52m

Jacksonville

Tue 28/7

5:30 a.m.-9:54 a.m.

1 stop7h 24m

C$ 618

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

1:30 p.m.-9:30 p.m.

2 stops11h 00m

C$ 625

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 14/7

5:20 a.m.-5:27 p.m.

1 stop9h 07m

Jacksonville

Sat 1/8

2:42 p.m.-8:11 p.m.

1 stop8h 29m

C$ 659

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 18/6

5:15 a.m.-6:35 p.m.

2 stops10h 20m

Jacksonville

Tue 23/6

1:55 p.m.-11:30 p.m.

2 stops12h 35m

C$ 663

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 13/7

5:20 a.m.-5:27 p.m.

1 stop9h 07m

Jacksonville

Thu 30/7

7:09 p.m.-11:59 p.m.

1 stop7h 50m

C$ 663

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 5/6

11:45 a.m.-10:35 p.m.

1 stop7h 50m

Jacksonville

Fri 26/6

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

1 stop14h 50m

C$ 679

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 1/9

10:47 p.m.-10:16 a.m.

1 stop8h 29m

Jacksonville

Wed 2/9

3:10 p.m.-9:11 p.m.

1 stop9h 01m

C$ 682

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

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 90 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$ 534). Flying from Seattle to Jacksonville in May is currently the most expensive (average of C$ 743). 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$ 618, Southwest can have you in Jacksonville from Seattle in 9h 07m. 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$ 534). Flying from Seattle to Jacksonville in May is currently the most expensive (average of C$ 743). 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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