Find flights
When to book
FAQs

Cheap flights from Seattle to Jacksonville from C$ 209

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
7 Jan — 14 Jan1
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 8 December 2025.

Wed 31/126:35 a.m.SEA - JAX
1 stop7h 20mSouthwest
Sun 4/15:05 p.m.JAX - SEA
2 stops11h 20mSouthwest
Deal found 7/12C$ 752
Thu 25/126:35 a.m.SEA - JAX
1 stop7h 20mSouthwest
Fri 2/15:05 p.m.JAX - SEA
2 stops11h 20mSouthwest
Deal found 7/12C$ 805
Thu 18/1211:40 a.m.SEA - JAX
1 stop9h 25mDelta
Wed 24/123:12 p.m.JAX - SEA
1 stop8h 33mDelta
Deal found 8/12C$ 834
Thu 25/1210:55 p.m.SEA - JAX
1 stop6h 53mDelta
Sun 4/18:04 p.m.JAX - SEA
2 stops17h 41mDelta
Deal found 8/12C$ 837
Mon 22/126:15 a.m.SEA - JAX
2 stops14h 00mSouthwest
Mon 5/111:30 a.m.JAX - SEA
2 stops12h 05mSouthwest
Deal found 6/12C$ 839
Thu 25/1210:55 p.m.SEA - JAX
1 stop6h 53mDelta
Wed 31/126:00 a.m.JAX - SEA
2 stops15h 26mDelta
Deal found 8/12C$ 908
Wed 17/1211:59 p.m.SEA - JAX
1 stop8h 45mUnited Airlines
Wed 24/121:30 p.m.JAX - SEA
2 stops14h 29mUnited Airlines
Deal found 8/12C$ 910
Wed 24/1210:55 p.m.SEA - JAX
1 stop7h 48mDelta
Sun 4/18:04 p.m.JAX - SEA
2 stops17h 41mDelta
Deal found 7/12C$ 920
Thu 25/125:02 a.m.SEA - JAX
1 stop7h 16mUnited Airlines
Thu 1/16:30 a.m.JAX - SEA
1 stop9h 19mUnited Airlines
Deal found 7/12C$ 939

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 8 December 2025.

Round-trip from

C$ 461

One-way from

C$ 209

Popular in

December

Cheapest in

September

Average price

C$ 782
Southwest
  • Southwest
  • 14/1-17/1
  • 2 total stops
  • 15h 15m total
  • Seattle to Jacksonville
Search Deals
Delta
  • Delta
  • 25/12
  • 1 total stop
  • 6h 53m 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. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 8 December 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

Wed 28/1

6:15 a.m.-6:52 p.m.

1 stop9h 37m

Jacksonville

Sat 31/1

7:30 a.m.-12:20 p.m.

1 stop7h 50m

C$ 507

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 6/1

9:59 p.m.-10:27 a.m.

1 stop9h 28m

Jacksonville

Sun 11/1

5:30 a.m.-10:09 a.m.

1 stop7h 39m

C$ 555

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 29/1

6:05 a.m.-4:55 p.m.

1 stop7h 50m

Jacksonville

Sun 1/2

5:30 a.m.-10:07 a.m.

1 stop7h 37m

C$ 568

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 18/1

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

1 stop7h 15m

Jacksonville

Sat 24/1

5:05 p.m.-11:01 p.m.

1 stop8h 56m

C$ 600

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 10/2

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

1 stop7h 46m

Jacksonville

Sat 14/2

5:22 p.m.-11:03 p.m.

1 stop8h 41m

C$ 600

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 5/5

6:00 a.m.-6:55 p.m.

1 stop9h 55m

Jacksonville

Thu 14/5

2:25 p.m.-8:47 p.m.

1 stop9h 22m

C$ 604

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 11/3

6:00 a.m.-6:45 p.m.

1 stop9h 45m

Jacksonville

Mon 16/3

5:50 a.m.-12:40 p.m.

2 stops9h 50m

C$ 611

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 9/3

9:05 a.m.-10:45 p.m.

2 stops10h 40m

Jacksonville

Thu 12/3

6:40 a.m.-12:40 p.m.

1 stop9h 00m

C$ 611

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 16/1

12:57 p.m.-9:44 p.m.

2 stops29h 47m

Jacksonville

Tue 20/1

1:45 p.m.-8:57 p.m.

1 stop10h 12m

C$ 674

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 25/12

10:55 p.m.-8:48 a.m.

1 stop6h 53m

C$ 209

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 16 results
1
2

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 5 December 2025.

The best time to book flights from Seattle to Jacksonville is 46 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$ 204). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 472). 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$ 507, Delta can have you in Jacksonville from Seattle in 9h 37m. 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$ 204). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 472). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Jacksonville

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Miami flights
Seattle to Orlando flights
Seattle to Fort Lauderdale flights
Seattle to Tampa flights
Bellingham to Miami flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.