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Cheap flights from Seattle to Jacksonville from C$ 168

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

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 23 October 2025.

Thu 20/1111:00 p.m.SEA - JAX
1 stop6h 36mDelta
Thu 27/115:00 a.m.JAX - SEA
1 stop8h 15mDelta
Deal found 23/10C$ 448
Thu 4/1211:15 p.m.SEA - JAX
1 stop8h 36mDelta
Mon 8/125:05 a.m.JAX - SEA
1 stop8h 14mDelta
Deal found 22/10C$ 449
Fri 5/122:03 p.m.SEA - JAX
1 stop7h 08mDelta
Tue 9/125:05 a.m.JAX - SEA
1 stop8h 14mDelta
Deal found 22/10C$ 475
Sat 22/1111:10 p.m.SEA - JAX
1 stop8h 37mDelta
Thu 27/115:00 a.m.JAX - SEA
1 stop8h 15mDelta
Deal found 22/10C$ 496
Fri 5/127:25 a.m.SEA - JAX
1 stop8h 38mDelta
Mon 8/125:05 a.m.JAX - SEA
1 stop8h 14mDelta
Deal found 22/10C$ 503
Thu 13/115:15 a.m.SEA - JAX
2 stops11h 20mSouthwest
Tue 18/111:05 p.m.JAX - SEA
2 stops12h 50mSouthwest
Deal found 22/10C$ 505
Sun 23/1111:10 p.m.SEA - JAX
1 stop8h 37mDelta
Thu 27/115:00 a.m.JAX - SEA
1 stop8h 15mDelta
Deal found 22/10C$ 508
Fri 5/127:34 p.m.SEA - JAX
2 stops12h 00mUnited Airlines
Mon 8/124:30 p.m.JAX - SEA
1 stop8h 16mUnited Airlines
Deal found 22/10C$ 510
Sat 22/1111:10 p.m.SEA - JAX
1 stop8h 37mDelta
Wed 26/114:01 p.m.JAX - SEA
1 stop10h 58mDelta
Deal found 21/10C$ 514
Wed 10/125:40 a.m.SEA - JAX
2 stops11h 35mSouthwest
Wed 17/121:05 p.m.JAX - SEA
2 stops12h 50mSouthwest
Deal found 23/10C$ 528

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 23 October 2025.

Round-trip from

C$ 448

One-way from

C$ 168

Popular in

December

Cheapest in

September

Average price

C$ 620
Delta
  • Delta
  • 20/11-27/11
  • 2 total stops
  • 14h 51m total
  • Seattle to Jacksonville
Search Deals
Southwest
  • Southwest
  • 21/1
  • 1 total stop
  • 7h 05m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 23 October 2025.
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

Sun 7/12

2:03 p.m.-12:11 a.m.

1 stop7h 08m

Jacksonville

Wed 10/12

4:08 p.m.-11:58 p.m.

1 stop10h 50m

C$ 475

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 6/12

7:25 a.m.-5:35 p.m.

1 stop7h 10m

Jacksonville

Sun 7/12

4:08 p.m.-8:50 p.m.

1 stop7h 42m

C$ 475

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 20/2

11:05 p.m.-11:04 a.m.

1 stop8h 59m

Jacksonville

Sun 22/2

5:30 a.m.-10:29 a.m.

1 stop7h 59m

C$ 480

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 1/3

5:45 p.m.-1:30 p.m.

1 stop16h 45m

Jacksonville

Tue 3/3

5:30 a.m.-10:29 a.m.

1 stop7h 59m

C$ 493

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 29/1

11:05 p.m.-11:04 a.m.

1 stop8h 59m

Jacksonville

Sun 1/2

5:30 a.m.-10:29 a.m.

1 stop7h 59m

C$ 503

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 4/12

11:15 p.m.-10:51 a.m.

1 stop8h 36m

Jacksonville

Sun 7/12

5:05 a.m.-10:19 a.m.

1 stop8h 14m

C$ 503

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 19/2

11:05 p.m.-11:04 a.m.

1 stop8h 59m

Jacksonville

Fri 27/2

8:30 a.m.-2:54 p.m.

1 stop9h 24m

C$ 508

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 20/2

11:05 p.m.-11:04 a.m.

1 stop8h 59m

Jacksonville

Fri 27/2

5:30 a.m.-10:29 a.m.

1 stop7h 59m

C$ 508

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 5/12

7:34 p.m.-10:34 a.m.

2 stops12h 00m

Jacksonville

Mon 8/12

4:30 p.m.-9:46 p.m.

1 stop8h 16m

C$ 510

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 22/11

11:10 p.m.-10:47 a.m.

1 stop8h 37m

Jacksonville

Wed 26/11

4:01 p.m.-11:59 p.m.

1 stop10h 58m

C$ 514

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/10

Showing 1-10 of 20 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 17 October 2025.

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$ 479). 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$ 475, Delta can have you in Jacksonville from Seattle in 7h 10m. 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$ 479). 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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