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$133+ Cheap flights from Seattle to Jacksonville (SEA - JAX)

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Jacksonville are usually found in September or August, booked 65 days in advance, depart on a Friday or Tuesday and return on a Monday

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 November 17, 2025.

This Delta deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:55 pmSEA - JAX
1 stop9h 58mDelta
Tue 12/25:35 pmJAX - SEA
1 stop9h 24mDelta
Deal found 11/17$359
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:38 amSEA - JAX
1 stop7h 50mAmerican Airlines
Sun 12/79:10 amJAX - SEA
1 stop8h 45mAmerican Airlines
Deal found 11/16$432
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:10 amSEA - JAX
1 stop9h 00mUnited Airlines
Sun 12/147:00 amJAX - SEA
2 stops11h 30mUnited Airlines
Deal found 11/17$437
This Southwest deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:45 amSEA - JAX
2 stops11h 25mSouthwest
Sun 12/711:30 amJAX - SEA
2 stops11h 30mSouthwest
Deal found 11/16$442
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:07 amSEA - JAX
1 stop8h 42mFrontier
Fri 12/56:36 pmJAX - SEA
2 stops20h 17mFrontier
Deal found 11/16$461
This Delta deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:03 pmSEA - JAX
1 stop7h 02mDelta
Thu 12/44:08 pmJAX - SEA
1 stop7h 42mDelta
Deal found 11/17$462
This American Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:38 amSEA - JAX
1 stop8h 05mAmerican Airlines
Sat 12/1312:11 pmJAX - SEA
1 stop9h 44mAmerican Airlines
Deal found 11/17$463
This United Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:00 amSEA - JAX
1 stop7h 24mUnited Airlines
Fri 12/53:40 pmJAX - SEA
2 stops12h 10mUnited Airlines
Deal found 11/16$467
This Southwest deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:40 amSEA - JAX
2 stops11h 35mSouthwest
Fri 12/51:05 pmJAX - SEA
2 stops12h 50mSouthwest
Deal found 11/16$472
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:07 pmSEA - JAX
1 stop7h 31mAmerican Airlines
Mon 12/17:52 pmJAX - SEA
1 stop8h 06mAmerican Airlines
Deal found 11/16$474
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:45 amSEA - JAX
2 stops45h 53mMultiple Airlines
Sat 1/39:38 amJAX - SEA
1 stop27h 33mMultiple Airlines
Deal found 11/16$478
This Southwest deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:35 amSEA - JAX
2 stops11h 35mSouthwest
Sun 12/215:05 pmJAX - SEA
2 stops11h 20mSouthwest
Deal found 11/16$487

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 November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$342
(JetBlue)

One-way from

$133
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$546
Provider with most accurate pricing for Seattle/Tacoma Intl-Jacksonville flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Jacksonville flights.
Search Deals
From Seattle/Tacoma Intl to Jacksonville
Search Deals
One-way flight from Seattle/Tacoma Intl to Jacksonville
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 2,558,603 searches. Data last updated November 17, 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 1/28

9:59 pm-10:27 am

1 stop9h 28m

Jacksonville

Sat 1/31

11:20 am-7:00 pm

1 stop10h 40m

$367

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 5/5

11:59 pm-3:43 pm

1 stop12h 44m

Jacksonville

Thu 5/14

11:30 am-8:53 pm

1 stop12h 23m

$386

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 1/15

8:04 am-8:58 pm

1 stop9h 54m

Jacksonville

Tue 1/20

9:27 am-5:45 pm

1 stop11h 18m

$394

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 5/13

11:59 pm-3:43 pm

1 stop12h 44m

Jacksonville

Wed 6/3

11:30 am-8:53 pm

1 stop12h 23m

$395

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 1/7

11:10 pm-11:10 am

1 stop9h 00m

Jacksonville

Sun 6/14

7:30 am-1:44 pm

1 stop9h 14m

$402

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 3/3

5:58 pm-10:23 am

2 stops13h 25m

Jacksonville

Wed 3/4

3:03 pm-10:25 pm

1 stop10h 22m

$406

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 12/6

8:10 am-8:10 pm

1 stop9h 00m

Jacksonville

Sun 12/14

8:15 am-1:47 pm

1 stop8h 32m

$432

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 12/6

8:40 am-9:19 pm

1 stop9h 39m

Jacksonville

Sun 12/7

7:00 am-12:42 pm

1 stop8h 42m

$432

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 12/5

12:31 am-11:21 am

1 stop7h 50m

Jacksonville

Sun 12/14

7:12 am-1:55 pm

1 stop9h 43m

$432

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 1/25

6:00 am-7:59 pm

1 stop10h 59m

Jacksonville

Sun 2/1

7:19 am-1:17 pm

1 stop8h 58m

$436

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 19 results
1
2

Compare providers for flights from Seattle to Jacksonville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Jacksonville in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Jacksonville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Jacksonville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Jacksonville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Jacksonville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Jacksonville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 14, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Jacksonville, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $147). Flying from Seattle to Jacksonville in March is currently the most expensive (average of $342). 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.

What is the cheapest time of day to fly from SEA to JAX?

Find hourly flight availability from Seattle to Jacksonville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 17, 2025.

When flying from Seattle to Jacksonville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 22% versus a flight in the evening.

Reviews of airlines servicing Jacksonville

Get insights into the airlines that provide service to Jacksonville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jacksonville. Reviews last updated November 17, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Seattle to Jacksonville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,006 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,014 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,046 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Sun Country Air
6.9
Okay
334 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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?

    There are many flights that can get you from Seattle to Jacksonville in 9h 28m. Fly via Delta, JetBlue, or American Airlines to get the fastest option. The distance between Seattle and Jacksonville is about 2438 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seattle to Jacksonville round-trip?

    According to our current data, Sun Country Air ($200), United Airlines ($300), and Delta ($311) offers the cheapest pricing from Seattle to Jacksonville. These flights start at 57% lower than the current average price 3 months from now.

  • Where are the most common layover locations when flying from Seattle to Jacksonville?

    The most popular layover on flights from Seattle to Jacksonville is Charlotte. Charlotte is followed by Atlanta in terms of the most popular layover location on flights from Seattle to Jacksonville.

  • What are some popular things to do or see while on a layover in Charlotte?

    If you're on a layover in Charlotte and looking for things to do, consider visiting Carowind, NASCAR Hall of Fame, or Mint Museum Uptown. Carowind, NASCAR Hall of Fame, and Mint Museum Uptown are located about 8.2 mi, 5.7 mi, and 5.4 mi, respectively from Charlotte Douglas. Those on a layover in Charlotte in need of a rental car can book one at Charlotte Douglas for about $49.

  • What are some popular points of interest to see during a layover in Atlanta?

    Georgia Aquarium, Fox Theatre, and Centennial Olympic Park are the most popular attractions in Atlanta if you're in need of something to do during your layover. Georgia Aquarium, Fox Theatre, and Centennial Olympic Park can be visited by traveling about 8.6 mi, 9.3 mi, and 8.4 mi respectively from Atlanta Hartsfield-Jackson. Those on a layover in Atlanta in need of a rental car can book one at Atlanta Hartsfield-Jackson for about $59.

  • Where are the least popular layover locations for Seattle to Jacksonville flights?

    Seattle to Jacksonville flights have a layover in Dallas the least frequently.

  • 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 $147). Flying from Seattle to Jacksonville in March is currently the most expensive (average of $342). 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

Traveling to a place near Jacksonville?

Book flights to Jacksonville if you plan to visit one of these locations
Jacksonville Beach
Orange Park
Fernandina Beach
Kingsland
Waycross

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Top 5 airlines flying from Seattle to Jacksonville

Discover the top 5 airlines that operate flights from Seattle to Jacksonville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$200Average$370FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$300Average$487FlexibilityNo cancel feeOn-time69%
DeltaCheapest$311Average$487FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$320Average$469FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$364Average$506FlexibilityNo cancel feeOn-time63%

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