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Cheap flights from Seattle to Jacksonville from C$ 264

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
28 Jan — 4 Feb1
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 29 December 2025.

Wed 31/1210:15 a.m.SEA - JAX
1 stop8h 12mDelta
Sat 10/17:30 a.m.JAX - SEA
1 stop7h 50mDelta
Deal found 28/12C$ 1,110
Wed 31/127:05 a.m.SEA - JAX
2 stops9h 10mSouthwest
Sat 10/112:30 p.m.JAX - SEA
2 stops11h 35mSouthwest
Deal found 28/12C$ 1,178
Tue 30/125:55 p.m.SEA - JAX
2 stops17h 27mDelta
Fri 2/111:58 a.m.JAX - SEA
1 stop9h 30mDelta
Deal found 27/12C$ 1,287
Mon 29/126:15 a.m.SEA - JAX
1 stop9h 39mDelta
Sun 4/16:41 p.m.JAX - SEA
2 stops19h 04mDelta
Deal found 27/12C$ 1,335
Mon 29/126:15 a.m.SEA - JAX
1 stop6h 36mDelta
Mon 5/15:39 p.m.JAX - SEA
2 stops20h 06mDelta
Deal found 27/12C$ 1,341
Mon 29/127:45 a.m.SEA - JAX
1 stop9h 36mAlaska Airlines
Tue 6/14:41 p.m.JAX - SEA
1 stop8h 49mAlaska Airlines
Deal found 27/12C$ 1,349
Tue 30/129:29 p.m.SEA - JAX
1 stop11h 27mAlaska Airlines
Mon 5/112:27 p.m.JAX - SEA
2 stops13h 48mAlaska Airlines
Deal found 27/12C$ 1,356
Mon 29/125:00 a.m.SEA - JAX
2 stops11h 10mSouthwest
Mon 5/111:30 a.m.JAX - SEA
2 stops11h 30mSouthwest
Deal found 29/12C$ 1,363
Mon 29/125:00 a.m.SEA - JAX
1 stop12h 35mSouthwest
Sun 4/12:40 p.m.JAX - SEA
2 stops13h 45mSouthwest
Deal found 28/12C$ 1,364
Mon 29/125:00 a.m.SEA - JAX
1 stop9h 41mUnited Airlines
Sat 3/111:45 a.m.JAX - SEA
1 stop11h 09mUnited Airlines
Deal found 27/12C$ 1,451
Mon 29/125:00 a.m.SEA - JAX
1 stop7h 43mUnited Airlines
Fri 2/14:20 p.m.JAX - SEA
1 stop7h 57mUnited Airlines
Deal found 27/12C$ 1,458

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 29 December 2025.

Round-trip from

C$ 462

One-way from

C$ 264

Popular in

December

Cheapest in

September

Average price

C$ 815
Delta
  • Delta
  • 17/1-26/1
  • 2 total stops
  • 37h 05m total
  • Seattle to Jacksonville
Search Deals
United Airlines
  • United Airlines
  • 26/1
  • 1 total stop
  • 7h 46m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 24 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 29 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

Sat 17/1

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

1 stop9h 00m

Jacksonville

Mon 26/1

6:55 p.m.-8:00 p.m.

1 stop28h 05m

C$ 462

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 17/2

9:55 p.m.-10:34 a.m.

1 stop9h 39m

Jacksonville

Wed 18/2

4:01 p.m.-11:12 p.m.

1 stop10h 11m

C$ 476

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 4/2

6:45 a.m.-4:50 p.m.

1 stop7h 05m

Jacksonville

Wed 11/2

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

1 stop7h 55m

C$ 491

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 21/1

6:45 a.m.-4:50 p.m.

1 stop7h 05m

Jacksonville

Wed 28/1

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

1 stop7h 55m

C$ 491

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 26/2

9:55 p.m.-10:34 a.m.

1 stop9h 39m

Jacksonville

Wed 4/3

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

1 stop7h 37m

C$ 508

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 24/1

5:15 a.m.-8:15 p.m.

2 stops12h 00m

Jacksonville

Sat 31/1

5:00 a.m.-10:10 a.m.

1 stop8h 10m

C$ 508

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 31/1

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

1 stop7h 46m

Jacksonville

Mon 2/2

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

1 stop10h 12m

C$ 514

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 26/1

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

1 stop9h 00m

Jacksonville

Wed 28/1

11:50 a.m.-10:30 p.m.

2 stops13h 40m

C$ 515

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 15/6

9:20 p.m.-8:46 a.m.

1 stop8h 26m

C$ 299

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 6/6

6:30 a.m.-7:35 p.m.

2 stops10h 05m

C$ 306

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/12

Showing 1-10 of 19 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 26 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$ 202). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 467). 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$ 491, Delta can have you in Jacksonville from Seattle in 7h 05m. 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$ 202). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 467). 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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