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Cheap flights from Seattle to Jacksonville from C$ 258

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
31 aug — 7 sep1
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 1 augusti 2026.

ons 14/108:25 a.m.
SEA
-
JAX
1 stop9h 29m
United Airlines
mån 19/104:58 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 29/7C$ 507
tors 27/811:59 p.m.
SEA
-
JAX
1 stop8h 45m
Delta
tis 1/92:29 p.m.
JAX
-
SEA
1 stop7h 36m
Delta
Deal found 29/7C$ 514
lör 5/911:00 p.m.
SEA
-
JAX
1 stop9h 45m
Southwest
fre 11/92:00 p.m.
JAX
-
SEA
2 stops10h 45m
Southwest
Deal found 31/7C$ 521
tis 1/98:10 a.m.
SEA
-
JAX
1 stop9h 44m
United Airlines
lör 5/94:45 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 1/8C$ 524
ons 21/1012:10 a.m.
SEA
-
JAX
2 stops11h 15m
Southwest
tis 8/128:45 a.m.
JAX
-
SEA
1 stop12h 00m
Southwest
Deal found 28/7C$ 530
mån 23/115:30 a.m.
SEA
-
JAX
1 stop13h 45m
Southwest
tis 5/16:35 a.m.
JAX
-
SEA
2 stops14h 10m
Southwest
Deal found 29/7C$ 537
lör 5/911:59 p.m.
SEA
-
JAX
1 stop7h 46m
United Airlines
lör 19/97:05 a.m.
JAX
-
SEA
2 stops11h 59m
United Airlines
Deal found 1/8C$ 538
lör 22/811:59 p.m.
SEA
-
JAX
1 stop7h 46m
United Airlines
ons 26/84:45 p.m.
JAX
-
SEA
1 stop8h 58m
United Airlines
Deal found 31/7C$ 541
lör 5/911:00 p.m.
SEA
-
JAX
2 stops13h 05m
Southwest
lör 19/912:25 p.m.
JAX
-
SEA
2 stops8h 55m
Southwest
Deal found 1/8C$ 545
ons 9/1210:45 p.m.
SEA
-
JAX
1 stop6h 51m
Delta
ons 16/123:00 p.m.
JAX
-
SEA
1 stop8h 46m
Delta
Deal found 31/7C$ 548

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 1 augusti 2026.

Round-trip from

C$ 507

One-way from

C$ 258

Popular in

March

Cheapest in

August

Average price

C$ 616
United Airlines
  • United Airlines
  • 16/1-23/1
  • 2 total stops
  • 17h 30m total
  • Seattle to Jacksonville
Search Deals
United Airlines
  • United Airlines
  • 25/8
  • 1 total stop
  • 9h 25m total
  • Seattle to Jacksonville
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 1 augusti 2026.
Use the filters below to find and compare flights from Seattle to Jacksonville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

lör 5/9

11:00 p.m.-11:45 a.m.

1 stop9h 45m

Jacksonville

fre 11/9

4:30 p.m.-9:45 p.m.

1 stop8h 15m

C$ 514
Quickest round-trip

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

lör 5/9

5:00 a.m.-3:33 p.m.

1 stop7h 33m

Jacksonville

lör 19/9

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

1 stop9h 00m

C$ 524

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

ons 21/10

12:10 a.m.-2:25 p.m.

2 stops11h 15m

Jacksonville

tis 8/12

8:45 a.m.-5:45 p.m.

1 stop12h 00m

C$ 530

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

lör 5/9

11:00 p.m.-3:05 p.m.

2 stops13h 05m

Jacksonville

lör 19/9

12:25 p.m.-6:20 p.m.

2 stops8h 55m

C$ 545

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

lör 22/8

7:00 a.m.-5:39 p.m.

1 stop7h 39m

Jacksonville

lör 29/8

9:25 a.m.-6:29 p.m.

2 stops12h 04m

C$ 555

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

fre 16/10

11:59 p.m.-10:52 a.m.

1 stop7h 53m

Jacksonville

tis 27/10

4:45 p.m.-10:59 p.m.

1 stop9h 14m

C$ 558

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

lör 31/10

11:59 p.m.-10:20 a.m.

1 stop8h 21m

Jacksonville

fre 6/11

3:15 p.m.-8:50 p.m.

1 stop8h 35m

C$ 565

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

fre 4/9

12:10 p.m.-11:20 p.m.

1 stop8h 10m

Jacksonville

fre 18/9

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

1 stop9h 00m

C$ 608

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

mån 24/8

11:05 p.m.-12:55 p.m.

2 stops10h 50m

Jacksonville

tors 10/9

2:00 p.m.-9:45 p.m.

2 stops10h 45m

C$ 642

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

tors 27/8

8:40 a.m.-9:46 p.m.

1 stop10h 06m

Jacksonville

mån 31/8

4:45 p.m.-10:43 p.m.

1 stop8h 58m

C$ 661

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The best time to book flights from Seattle to Jacksonville is 74 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, August is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 616). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 752). 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.

How much does it cost to fly round-trip from Seattle to Jacksonville?

Airfare is below average for this route at the moment.

Seattle to Jacksonville flights typically cost between C$ 518 and C$ 800 in October.
The cheapest round-trip price found within the last 5 days was C$ 507 on United Airlines (14 Oct-19 Oct).

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, United Airlines can have you in Jacksonville from Seattle in 8h 46m. 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, August is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of C$ 616). Flying from Seattle to Jacksonville in March is currently the most expensive (average of C$ 752). 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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Bellingham to Miami flights

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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