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$172+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — JAX
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Jacksonville are usually found in September or October, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 July 1, 2025.

Round-trip from

$305
(Sun Country Air)

One-way from

$172
(Delta)

Popular in

December

Cheapest in

September

Average price

$479

Good round-trip deal

$599 or less
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. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Jacksonville.
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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 July 1, 2025.

This Sun Country Air deal was found by Cheapflights users on 6/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:55 pmSEA - JAX
1 stop8h 51mSun Country Air
Mon 9/111:13 amJAX - SEA
1 stop26h 45mSun Country Air
Deal found 6/30$305
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 8/2010:11 amSEA - JAX
1 stop9h 20mAmerican Airlines
Thu 8/286:02 pmJAX - SEA
1 stop9h 12mAmerican Airlines
Deal found 6/30$343
This Delta deal was found by Cheapflights users on 6/29. 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 7/299:45 pmSEA - JAX
1 stop10h 00mDelta
Mon 8/47:06 pmJAX - SEA
1 stop7h 49mDelta
Deal found 6/29$345
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 8/2811:54 pmSEA - JAX
1 stop7h 31mUnited Airlines
Tue 9/27:00 amJAX - SEA
2 stops11h 14mUnited Airlines
Deal found 7/1$348
This Southwest deal was found by Cheapflights users on 7/1. 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.
Fri 8/226:15 amSEA - JAX
1 stop7h 30mSouthwest
Mon 8/254:05 pmJAX - SEA
1 stop8h 25mSouthwest
Deal found 7/1$361
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:59 pmSEA - JAX
2 stops17h 56mMultiple Airlines
Mon 8/111:02 pmJAX - SEA
1 stop12h 48mMultiple Airlines
Deal found 6/30$413

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 July 1, 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

Thu 8/28

11:55 pm-11:46 am

1 stop8h 51m

Jacksonville

Mon 9/1

11:13 am-10:58 am

1 stop26h 45m

$305

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 8/20

10:11 am-10:31 pm

1 stop9h 20m

Jacksonville

Thu 8/28

6:02 pm-12:14 am

1 stop9h 12m

$343

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 7/29

9:45 pm-10:45 am

1 stop10h 00m

Jacksonville

Mon 8/4

7:06 pm-11:55 pm

1 stop7h 49m

$345

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 8/28

11:54 pm-10:25 am

1 stop7h 31m

Jacksonville

Tue 9/2

7:00 am-3:14 pm

2 stops11h 14m

$348

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Fri 8/22

6:15 am-4:45 pm

1 stop7h 30m

Jacksonville

Mon 8/25

4:05 pm-9:30 pm

1 stop8h 25m

$361

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 8/7

11:59 pm-8:55 pm

2 stops17h 56m

Jacksonville

Mon 8/11

1:02 pm-10:50 pm

1 stop12h 48m

$413

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 9/8

6:00 am-4:47 pm

1 stop7h 47m

$172

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 7/29

11:56 pm-10:16 am

1 stop7h 20m

$174

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 9/29

7:37 pm-10:41 am

2 stops12h 04m

$177

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 7/17

6:21 pm-11:48 am

1 stop14h 27m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 14 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 June 27, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Jacksonville, you should look to book at least 90 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, August is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of $278). Flying from Seattle to Jacksonville in March is currently the most expensive (average of $365). 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 July 1, 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 afternoon, which can drop the price by up to 29% versus a flight in the morning.

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 July 1, 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
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,919 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

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

    According to our current data, Sun Country Air ($305), American Airlines ($343), and Delta ($345) offers the cheapest pricing from Seattle to Jacksonville. These flights start at 35% 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 Delta. According to our data, you can fly for as low as $172. Users have also found prices from $174 and $177 on American Airlines and United Airlines, respectively.

  • What are the cheapest flights from Seattle to Jacksonville?

    On average you can expect to pay $599 for a flight from Seattle to Jacksonville. The cheapest flight overall is $353 while the most popular route, (Seattle/Tacoma Intl - Jacksonville) is currently priced at $305.

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

    The most popular layover on flights from Seattle to Jacksonville is Dallas. Dallas 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 Dallas?

    If you're on a layover in Dallas and looking for things to do, consider visiting American Airlines Center, Dallas World Aquarium, or Reunion Tower. American Airlines Center, Dallas World Aquarium, and Reunion Tower are located about 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth. Those on a layover in Dallas in need of a rental car can book one at Dallas/Fort Worth for about $53.

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

    Carowind, Mint Museum Uptown, and NASCAR Hall of Fame are the most popular attractions in Charlotte if you're in need of something to do during your layover. Carowind, Mint Museum Uptown, and NASCAR Hall of Fame can be visited by traveling about 8.2 mi, 5.4 mi, and 5.7 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 $43.

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

    Seattle to Jacksonville flights have a layover in Atlanta 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, August is the cheapest month in which you can book a flight from Seattle to Jacksonville (average of $278). Flying from Seattle to Jacksonville in March is currently the most expensive (average of $365). 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 Seattle?

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

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Top 4 airlines flying from Seattle to Jacksonville

Discover the top 4 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$313Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$325Average$468FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$336Average$480FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$377Average$604FlexibilityNo cancel feeOn-time63%

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