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Cheap flights from Seattle to Jacksonville from C$ 192

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
10 Feb — 17 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 11 January 2026.

Round-trip from

C$ 422

One-way from

C$ 192

Popular in

May

Cheapest in

September

Average price

C$ 581
Southwest
  • Southwest
  • 9/2-24/2
  • 2 total stops
  • 15h 10m total
  • Seattle to Jacksonville
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Sun Country Air
  • Sun Country Air
  • 7/6
  • 1 total stop
  • 8h 46m total
  • Seattle to Jacksonville
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Highest demand for flights based on searches. 5% potential increase in price (C$ 52 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 11 January 2026.

Mon 9/26:35 a.m.SEA - JAX
1 stop7h 15mSouthwest
Tue 24/25:50 a.m.JAX - SEA
1 stop7h 55mSouthwest
Deal found 9/1C$ 422
Thu 29/16:45 a.m.SEA - JAX
1 stop7h 05mSouthwest
Wed 4/21:35 p.m.JAX - SEA
2 stops11h 55mSouthwest
Deal found 9/1C$ 430
Wed 11/28:10 a.m.SEA - JAX
1 stop9h 00mUnited Airlines
Sat 14/26:25 a.m.JAX - SEA
2 stops12h 16mUnited Airlines
Deal found 8/1C$ 451
Wed 11/26:05 a.m.SEA - JAX
2 stops10h 50mSouthwest
Sat 14/211:30 a.m.JAX - SEA
2 stops10h 05mSouthwest
Deal found 8/1C$ 472
Sat 7/210:58 a.m.SEA - JAX
1 stop7h 46mUnited Airlines
Sat 14/211:33 a.m.JAX - SEA
1 stop10h 30mUnited Airlines
Deal found 10/1C$ 511
Sat 7/210:20 a.m.SEA - JAX
1 stop6h 35mSouthwest
Sat 14/211:30 a.m.JAX - SEA
2 stops10h 05mSouthwest
Deal found 10/1C$ 517
Tue 3/28:40 a.m.SEA - JAX
2 stops11h 12mUnited Airlines
Tue 10/27:00 a.m.JAX - SEA
1 stop8h 49mUnited Airlines
Deal found 8/1C$ 523
Sat 7/25:15 a.m.SEA - JAX
2 stops12h 00mSouthwest
Tue 10/211:50 a.m.JAX - SEA
2 stops13h 40mSouthwest
Deal found 10/1C$ 526
Wed 4/28:45 a.m.SEA - JAX
2 stops10h 10mSouthwest
Mon 9/24:20 p.m.JAX - SEA
1 stop9h 30mSouthwest
Deal found 11/1C$ 530
Mon 23/311:59 p.m.SEA - JAX
1 stop8h 15mUnited Airlines
Tue 21/44:19 p.m.JAX - SEA
1 stop7h 47mUnited Airlines
Deal found 10/1C$ 536

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 11 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

Mon 9/2

6:35 a.m.-9:15 p.m.

2 stops11h 40m

Jacksonville

Tue 24/2

5:50 a.m.-10:45 a.m.

1 stop7h 55m

C$ 428

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 29/1

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

1 stop9h 00m

Jacksonville

Wed 4/2

5:50 a.m.-5:50 p.m.

1 stop15h 00m

C$ 430

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 11/2

8:10 a.m.-8:10 p.m.

1 stop9h 00m

Jacksonville

Sat 14/2

6:25 a.m.-3:41 p.m.

2 stops12h 16m

C$ 451

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 11/2

6:05 a.m.-7:55 p.m.

2 stops10h 50m

Jacksonville

Sat 14/2

11:30 a.m.-6:35 p.m.

2 stops10h 05m

C$ 472

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 7/2

10:58 a.m.-9:44 p.m.

1 stop7h 46m

Jacksonville

Sat 14/2

11:33 a.m.-7:03 p.m.

1 stop10h 30m

C$ 511

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 18/2

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

1 stop8h 57m

Jacksonville

Sat 28/2

6:25 a.m.-1:24 p.m.

1 stop9h 59m

C$ 511

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 21/2

2:05 p.m.-11:50 p.m.

1 stop6h 45m

Jacksonville

Wed 25/2

5:50 a.m.-10:45 a.m.

1 stop7h 55m

C$ 511

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 7/2

5:00 a.m.-3:15 p.m.

1 stop7h 15m

C$ 256

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 18/2

6:05 a.m.-8:35 p.m.

2 stops11h 30m

C$ 263

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 11/2

6:05 a.m.-6:10 p.m.

2 stops9h 05m

C$ 263

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 17 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 9 January 2026.

The best time to book flights from Seattle to Jacksonville is 65 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$ 206). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 476). 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$ 428, Southwest can have you in Jacksonville from Seattle in 11h 40m. 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, June is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 206). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 476). 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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