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$105+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$105
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$384
Provider with most accurate pricing for Seattle/Tacoma Intl-Jacksonville flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Jacksonville flights.
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From Seattle/Tacoma Intl to Jacksonville
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One-way flight from Seattle/Tacoma Intl to Jacksonville
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Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/8. 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 2/267:15 amSEA - JAX
1 stop12h 43mAmerican Airlines
Wed 3/412:05 pmJAX - SEA
1 stop15h 19mAmerican Airlines
Deal found 1/8$259
This American Airlines deal was found by Cheapflights users on 1/8. 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 2/197:15 amSEA - JAX
1 stop12h 43mAmerican Airlines
Wed 2/257:01 amJAX - SEA
1 stop9h 41mAmerican Airlines
Deal found 1/8$265
This Delta deal was found by Cheapflights users on 1/7. 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 3/2410:58 pmSEA - JAX
1 stop11h 47mDelta
Wed 4/227:05 amJAX - SEA
1 stop10h 45mDelta
Deal found 1/7$271
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Tue 2/310:58 amSEA - JAX
1 stop7h 46mUnited Airlines
Tue 2/107:00 amJAX - SEA
2 stops11h 44mUnited Airlines
Deal found 1/7$276
This Southwest deal was found by Cheapflights users on 1/6. 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.
Tue 1/276:45 amSEA - JAX
1 stop7h 05mSouthwest
Wed 2/411:50 amJAX - SEA
2 stops13h 40mSouthwest
Deal found 1/6$277
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Tue 2/107:35 amSEA - JAX
1 stop9h 24mAmerican Airlines
Thu 2/1212:05 pmJAX - SEA
1 stop15h 19mAmerican Airlines
Deal found 1/6$285
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sun 2/16:00 amSEA - JAX
1 stop10h 59mAmerican Airlines
Wed 2/116:00 amJAX - SEA
1 stop8h 45mAmerican Airlines
Deal found 1/7$287
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Sat 2/211:16 pmSEA - JAX
2 stops40h 43mMultiple Airlines
Sat 2/289:39 amJAX - SEA
1 stop9h 43mMultiple Airlines
Deal found 1/7$293
This American Airlines deal was found by Cheapflights users on 1/8. 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 2/58:04 amSEA - JAX
1 stop9h 54mAmerican Airlines
Thu 2/1212:05 pmJAX - SEA
1 stop15h 19mAmerican Airlines
Deal found 1/8$297

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 January 8, 2026.
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

Tue 2/3

5:00 am-3:15 pm

1 stop7h 15m

Jacksonville

Tue 2/10

4:17 pm-9:15 pm

1 stop7h 58m

$271

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 1/28

7:00 am-6:47 pm

1 stop8h 47m

Jacksonville

Wed 2/4

4:41 pm-9:47 pm

1 stop8h 06m

$271

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 1/27

6:45 am-4:50 pm

1 stop7h 05m

Jacksonville

Wed 2/4

5:50 am-5:50 pm

1 stop15h 00m

$278

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 1/28

11:10 pm-11:09 am

1 stop8h 59m

Jacksonville

Sat 1/31

6:30 am-12:20 pm

1 stop8h 50m

$319

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 2/14

9:00 am-9:15 pm

1 stop9h 15m

Jacksonville

Tue 2/24

5:31 pm-11:00 pm

1 stop8h 29m

$319

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 1/31

10:20 am-7:55 pm

1 stop6h 35m

Jacksonville

Wed 2/4

11:50 am-10:30 pm

2 stops13h 40m

$325

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 2/19

11:59 pm-10:37 am

1 stop7h 38m

Jacksonville

Wed 2/25

7:00 am-3:41 pm

2 stops11h 41m

$342

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 2/14

11:59 pm-10:37 am

1 stop7h 38m

Jacksonville

Wed 2/18

5:31 pm-11:00 pm

1 stop8h 29m

$344

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 1/27

8:40 am-9:47 pm

2 stops10h 07m

Jacksonville

Wed 1/28

7:00 am-4:29 pm

2 stops12h 29m

$349

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 2/10

8:40 am-9:47 pm

2 stops10h 07m

Jacksonville

Thu 2/12

11:33 am-7:03 pm

1 stop10h 30m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 18 results
1
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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 January.
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 January 2, 2026.

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 $148). 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.

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 January 8, 2026.
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
4,250 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,029 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,141 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,095 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Sun Country Air
6.8
Okay
340 reviews
Southwest
8.0
Very good
4,250 reviews

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 7h 05m. Fly via United Airlines, American Airlines, or Southwest 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 ($121), Delta ($259), and United Airlines ($283) offers the cheapest pricing from Seattle to Jacksonville. These flights start at 73% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Jacksonville one-way?

    For one-way options, check prices for Sun Country Air. According to our data, you can fly for as low as $115. Users have also found prices from $134 and $153 on United Airlines and American Airlines, respectively.

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

    The most popular layover on flights from Seattle to Jacksonville is Atlanta. Atlanta is followed by Charlotte 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 Atlanta?

    If you're on a layover in Atlanta and looking for things to do, consider visiting Georgia Aquarium, Fox Theatre, or Centennial Olympic Park. Georgia Aquarium, Fox Theatre, and Centennial Olympic Park are located 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 $51.

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

    Carowind, NASCAR Hall of Fame, and North Carolina Blumenthal Performing Arts Center are the most popular attractions in Charlotte if you're in need of something to do during your layover. Carowind, NASCAR Hall of Fame, and North Carolina Blumenthal Performing Arts Center can be visited by traveling about 8.2 mi, 5.7 mi, and 5.8 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 $48.

  • 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 $148). 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
Yulee

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$200Average$370FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$283Average$472FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$312Average$456FlexibilityNo cancel feeOn-time71%
DeltaCheapest$312Average$454FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$321Average$440FlexibilityNo cancel feeOn-time63%

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