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Cheap flights from Seattle to Jacksonville from C$ 219

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 407

One-way from

C$ 219

Popular in

December

Cheapest in

September

Average price

C$ 545
JetBlue
  • JetBlue
  • 6/10-14/10
  • 2 total stops
  • 50h 30m total
  • Seattle to Jacksonville
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Delta
  • Delta
  • 16/12
  • 1 total stop
  • 10h 09m total
  • Seattle to Jacksonville
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Highest demand for flights based on searches. 10% potential increase in price (C$ 101 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Jacksonville

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 17 September 2025.

Mon 6/1011:56 p.m.SEA - JAX
1 stop31h 44mJetBlue
Tue 14/106:35 a.m.JAX - SEA
1 stop18h 46mJetBlue
Deal found 17/9C$ 407
Wed 29/101:40 p.m.SEA - JAX
1 stop7h 19mDelta
Wed 5/1111:39 a.m.JAX - SEA
1 stop9h 44mDelta
Deal found 16/9C$ 436
Tue 14/1011:40 p.m.SEA - JAX
1 stop7h 45mUnited Airlines
Tue 21/108:15 a.m.JAX - SEA
2 stops11h 05mUnited Airlines
Deal found 16/9C$ 443
Mon 27/109:59 p.m.SEA - JAX
1 stop15h 38mDelta
Wed 5/117:10 p.m.JAX - SEA
1 stop7h 44mDelta
Deal found 17/9C$ 447
Wed 29/1011:55 p.m.SEA - JAX
1 stop9h 45mDelta
Thu 6/115:10 a.m.JAX - SEA
1 stop8h 04mDelta
Deal found 16/9C$ 459
Thu 13/115:15 a.m.SEA - JAX
2 stops11h 20mSouthwest
Wed 19/111:05 p.m.JAX - SEA
2 stops12h 50mSouthwest
Deal found 16/9C$ 473
Wed 15/105:50 a.m.SEA - JAX
1 stop11h 20mSouthwest
Wed 22/102:30 p.m.JAX - SEA
2 stops12h 15mSouthwest
Deal found 15/9C$ 475
Wed 29/1011:55 p.m.SEA - JAX
1 stop9h 45mDelta
Fri 7/111:35 p.m.JAX - SEA
1 stop9h 45mDelta
Deal found 16/9C$ 479
Sat 25/105:00 a.m.SEA - JAX
1 stop7h 13mUnited Airlines
Mon 27/104:57 p.m.JAX - SEA
1 stop8h 49mUnited Airlines
Deal found 17/9C$ 483
Sat 11/1011:10 p.m.SEA - JAX
1 stop8h 31mUnited Airlines
Tue 14/103:38 p.m.JAX - SEA
2 stops10h 37mUnited Airlines
Deal found 17/9C$ 486
Sat 25/107:37 p.m.SEA - JAX
2 stops12h 00mUnited Airlines
Sat 1/114:26 p.m.JAX - SEA
1 stop7h 47mUnited Airlines
Deal found 17/9C$ 490
Fri 14/1111:10 p.m.SEA - JAX
1 stop8h 37mDelta
Mon 17/116:38 p.m.JAX - SEA
1 stop8h 21mDelta
Deal found 16/9C$ 502

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 17 September 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 29/10

11:59 p.m.-10:33 a.m.

1 stop7h 34m

Jacksonville

Wed 5/11

4:32 p.m.-10:45 p.m.

1 stop9h 13m

C$ 436

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 27/10

9:59 p.m.-4:37 p.m.

1 stop15h 38m

Jacksonville

Wed 5/11

5:10 a.m.-10:14 a.m.

1 stop8h 04m

C$ 447

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 31/10

9:59 p.m.-10:29 p.m.

1 stop21h 30m

Jacksonville

Wed 5/11

7:05 a.m.-2:38 p.m.

1 stop10h 33m

C$ 447

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 28/1

9:55 p.m.-10:45 a.m.

1 stop9h 50m

Jacksonville

Sat 31/1

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

1 stop7h 59m

C$ 459

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 18/2

5:07 a.m.-8:14 p.m.

2 stops12h 07m

Jacksonville

Mon 23/2

5:21 p.m.-10:59 p.m.

1 stop8h 38m

C$ 466

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 15/10

5:50 a.m.-8:10 p.m.

1 stop11h 20m

Jacksonville

Wed 22/10

2:30 p.m.-11:45 p.m.

2 stops12h 15m

C$ 475

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 14/11

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

1 stop8h 37m

Jacksonville

Wed 19/11

5:28 p.m.-11:59 p.m.

1 stop9h 31m

C$ 479

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 22/1

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

1 stop7h 05m

Jacksonville

Mon 26/1

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

1 stop7h 55m

C$ 483

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 25/10

11:55 p.m.-12:40 p.m.

1 stop9h 45m

Jacksonville

Sat 1/11

11:27 a.m.-3:50 p.m.

1 stop7h 23m

C$ 483

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 16/12

11:55 p.m.-1:04 p.m.

1 stop10h 09m

C$ 219

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

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 12 September 2025.

The best time to book flights from Seattle to Jacksonville is 70 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, July is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 403). Flying from Seattle to Jacksonville in December is currently the most expensive (average of C$ 530). 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$ 436, United Airlines can have you in Jacksonville from Seattle in 7h 34m. 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, July is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 403). Flying from Seattle to Jacksonville in December is currently the most expensive (average of C$ 530). 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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