How long is the flight from Seattle to Jacksonville?

There are many flights that can get you from Seattle to Jacksonville in 7h 11m. Fly via Delta, Southwest, or United 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 ($121), Delta ($254), and United Airlines ($288) 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 $153 and $153 on American Airlines and JetBlue, respectively.

In terms of precipitation, rainfall in Jacksonville ranges from 2.1 - 8.2 inches per month. September is typically the wettest month, when rainfall can reach 8.2 in. November is typically the driest time to visit Jacksonville when rainfall is around 2.1 in.

If weather is an important factor for your trip to Jacksonville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular airlines that fly from Seattle to Jacksonville?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to Jacksonville.

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.

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

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

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 $54.

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

Carowind, NASCAR Hall of Fame, and Mint Museum Uptown 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 Mint Museum Uptown can be visited by traveling 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.

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.

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.

$97+ Flights from Seattle to Jacksonville

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Seattle to Jacksonville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Jacksonville are usually found in September or August, booked 46 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap 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 December 12, 2025.

Thu 12/257:07 amSEA - JAX

1 stop10h 14mAmerican Airlines

Thu 1/13:45 pmJAX - SEA

1 stop8h 25mAmerican Airlines

Deal found 12/11

$385

Tue 12/306:00 amSEA - JAX

1 stop9h 35mAmerican Airlines

Mon 1/56:00 amJAX - SEA

1 stop10h 00mAmerican Airlines

Deal found 12/11

$527

Wed 12/177:00 amSEA - JAX

1 stop12h 55mAmerican Airlines

Mon 1/56:00 amJAX - SEA

1 stop10h 00mAmerican Airlines

Deal found 12/10

$600

Mon 12/296:00 amSEA - JAX

1 stop8h 15mAmerican Airlines

Fri 1/23:45 pmJAX - SEA

1 stop8h 25mAmerican Airlines

Deal found 12/10

$613

Thu 12/255:02 amSEA - JAX

2 stops9h 39mUnited Airlines

Thu 1/16:30 amJAX - SEA

1 stop9h 19mUnited Airlines

Deal found 12/11

$654

Tue 12/3011:59 pmSEA - JAX

2 stops17h 11mUnited Airlines

Mon 1/54:20 pmJAX - SEA

1 stop7h 57mUnited Airlines

Deal found 12/11

$674

Wed 12/316:35 amSEA - JAX

1 stop7h 20mSouthwest

Sun 1/41:40 pmJAX - SEA

2 stops14h 15mSouthwest

Deal found 12/10

$689

Tue 12/167:00 amSEA - JAX

1 stop8h 34mUnited Airlines

Thu 12/254:55 pmJAX - SEA

1 stop8h 57mUnited Airlines

Deal found 12/10

$727

Best flights from Seattle to Jacksonville
Discover carefully curated flight deals from Seattle to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Wed 1/2811:55 amSEA - JAX

1 stop7h 11mDelta

Sat 1/317:30 amJAX - SEA

1 stop7h 50mDelta

Deal found 12/10

$359

Mon 2/236:35 amSEA - JAX

1 stop7h 15mSouthwest

Sat 2/285:10 amJAX - SEA

1 stop8h 05mSouthwest

Deal found 12/11

$376

Tue 2/1711:59 pmSEA - JAX

1 stop7h 50mUnited Airlines

Fri 2/274:16 pmJAX - SEA

1 stop9h 43mUnited Airlines

Deal found 12/11

$398

Sun 1/2511:10 pmSEA - JAX

1 stop8h 59mDelta

Sun 2/15:30 amJAX - SEA

1 stop7h 37mDelta

Deal found 12/11

$398

Tue 1/66:05 amSEA - JAX

2 stops9h 05mSouthwest

Sun 1/114:20 pmJAX - SEA

1 stop9h 30mSouthwest

Deal found 12/10

$403

Sun 1/188:10 amSEA - JAX

1 stop9h 00mUnited Airlines

Sat 1/245:05 pmJAX - SEA

1 stop8h 56mUnited Airlines

Deal found 12/10

$430

Tue 2/176:05 amSEA - JAX

2 stops12h 30mSouthwest

Fri 2/2710:45 amJAX - SEA

2 stops11h 20mSouthwest

Deal found 12/11

$408

Thu 1/2911:10 pmSEA - JAX

1 stop8h 59mDelta

Sun 2/15:30 amJAX - SEA

1 stop7h 37mDelta

Deal found 12/10

$411

Last-minute flights from Seattle to Jacksonville
Discover last-minute flight deals from Seattle to Jacksonville. Data last updated December 12, 2025 and is based on user searches.

Thu 1/111:59 pmSEA - JAX

1 stop7h 18mAmerican Airlines

Sun 1/182:42 pmJAX - SEA

1 stop9h 03mAmerican Airlines

Deal found 12/10

$300

Tue 1/67:13 pmSEA - JAX

1 stop21h 46mMultiple Airlines

Sun 1/116:55 pmJAX - SEA

2 stops27h 52mMultiple Airlines

Deal found 12/10

$339

Thu 1/812:26 pmSEA - JAX

2 stops25h 31mMultiple Airlines

Mon 1/126:27 pmJAX - SEA

1 stop19h 05mMultiple Airlines

Deal found 12/11

$279

Sat 1/1011:10 pmSEA - JAX

1 stop9h 00mDelta

Sat 1/1711:07 amJAX - SEA

1 stop11h 53mDelta

Deal found 12/9

$331

Thu 1/1510:50 amSEA - JAX

1 stop9h 04mAmerican Airlines

Tue 1/207:19 amJAX - SEA

1 stop8h 45mAmerican Airlines

Deal found 12/10

$343

Fri 1/1611:12 pmSEA - JAX

1 stop9h 45mAmerican Airlines

Tue 1/206:00 amJAX - SEA

1 stop8h 45mAmerican Airlines

Deal found 12/11

$369

Sun 1/187:00 amSEA - JAX

1 stop8h 00mAmerican Airlines

Sat 1/2411:53 amJAX - SEA

1 stop10h 11mAmerican Airlines

Deal found 12/10

$330

Wed 1/2811:55 amSEA - JAX

1 stop7h 11mDelta

Sat 1/317:30 amJAX - SEA

1 stop7h 50mDelta

Deal found 12/10

$359

Wed 1/2810:50 amSEA - JAX

1 stop9h 07mAmerican Airlines

Sat 1/312:42 pmJAX - SEA

2 stops10h 38mAmerican Airlines

Deal found 12/11

$364

One-way flights from Seattle to Jacksonville
Search for one-way flight options from Seattle to Jacksonville. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Sat 1/173:58 pmSEA - JAX

2 stops20h 05mFrontier

Deal found 12/10

$97

Thu 1/812:26 pmSEA - JAX

2 stops25h 31mFrontier

Deal found 12/10

$113

Fri 1/1612:19 pmSEA - JAX

2 stops28h 03mFrontier

Deal found 12/10

$129

Sun 1/1112:26 pmSEA - JAX

2 stops25h 31mFrontier

Deal found 12/10

$130

Thu 1/2912:34 pmSEA - JAX

2 stops48h 49mFrontier

Deal found 12/11

$138

Mon 1/199:10 pmSEA - JAX

3 stops42h 13mMultiple Airlines

Deal found 12/10

$141

Thu 1/1512:19 pmSEA - JAX

2 stops28h 03mFrontier

Deal found 12/10

$143

Thu 1/229:25 pmSEA - JAX

3 stops39h 58mMultiple Airlines

Deal found 12/10

$147

Thu 12/2510:55 pmSEA - JAX

1 stop6h 53mDelta

Deal found 12/10

$151

Fri 1/99:02 pmSEA - JAX

3 stops34h 39mMultiple Airlines

Deal found 12/10

$153

Sat 1/102:49 pmSEA - JAX

2 stops27h 03mMultiple Airlines

Deal found 12/10

$167

Sun 1/1110:19 amSEA - JAX

3 stops27h 38mMultiple Airlines

Deal found 12/10

$169

Find flight deals from Seattle to Jacksonville

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$279 (eDestinos)
One-way from	$97 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$566

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. 5% potential increase in price ($26 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 1/28

11:55 am-10:06 pm

1 stop7h 11m

Jacksonville

Sat 1/31

7:30 am-12:20 pm

1 stop7h 50m

$359

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Mon 2/23

6:35 am-4:50 pm

1 stop7h 15m

Jacksonville

Sat 2/28

5:10 am-10:15 am

1 stop8h 05m

$376

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 2/17

11:59 pm-10:49 am

1 stop7h 50m

Jacksonville

Fri 2/27

4:16 pm-10:59 pm

1 stop9h 43m

$398

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 1/25

11:10 pm-11:09 am

1 stop8h 59m

Jacksonville

Sun 2/1

5:30 am-10:07 am

1 stop7h 37m

$398

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 1/6

6:05 am-6:10 pm

2 stops9h 05m

Jacksonville

Sun 1/11

4:20 pm-10:50 pm

1 stop9h 30m

$403

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 2/17

6:05 am-9:35 pm

2 stops12h 30m

Jacksonville

Fri 2/27

10:45 am-7:05 pm

2 stops11h 20m

$408

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 1/29

11:10 pm-11:09 am

1 stop8h 59m

Jacksonville

Sun 2/1

5:30 am-10:07 am

1 stop7h 37m

$411

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 1/18

8:10 am-8:10 pm

1 stop9h 00m

Jacksonville

Sat 1/24

5:05 pm-11:01 pm

1 stop8h 56m

$430

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sat 1/17

3:58 pm-3:03 pm

2 stops20h 05m

$97

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 1/11

12:26 pm-4:57 pm

2 stops25h 31m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 20 results

Compare providers for flights from Seattle to Jacksonville

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Jacksonville in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust 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?

To ensure you get the cheapest price possible for a flight from Seattle to Jacksonville, you should look to book at least 46 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.

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

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 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

7.9

Good

4,252 reviews

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

7.9

Good

4,252 reviews

Southwest

7.9

Good

4,252 reviews

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

8,009 reviews

Southwest

7.9

Good

4,252 reviews

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

9,095 reviews

Southwest

7.9

Good

4,252 reviews

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

11,048 reviews

Southwest

7.9

Good

4,252 reviews

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

6.9

Okay

333 reviews

Southwest

7.9

Good

4,252 reviews

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

How long is the flight from Seattle to Jacksonville?
There are many flights that can get you from Seattle to Jacksonville in 7h 11m. Fly via Delta, Southwest, or United 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 ($121), Delta ($254), and United Airlines ($288) 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 $153 and $153 on American Airlines and JetBlue, 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 $54.
What are some popular points of interest to see during a layover in Charlotte?
Carowind, NASCAR Hall of Fame, and Mint Museum Uptown 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 Mint Museum Uptown can be visited by traveling 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.
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

Jacksonville Beach

Orange Park

Fernandina Beach

Kingsland

Waycross

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Top 5 airlines flying from Seattle to Jacksonville

Airline	Cheapest	Average	Flexibility	On-time
Sun Country Air	Cheapest$200	Average$370	FlexibilityNo cancel fee	On-time83%
Delta	Cheapest$297	Average$454	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$300	Average$495	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$316	Average$463	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$358	Average$490	FlexibilityNo cancel fee	On-time63%

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$97+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Jacksonville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Jacksonville are usually found in September or August, booked 46 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap flight deals from Seattle to Jacksonville

Cheapest flights from Seattle to JacksonvilleExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Seattle to Jacksonville

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Jacksonville that are best for you.

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 December.

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.

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?

What is the cheapest month to book a flight from Seattle to Jacksonville?

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

Reviews of airlines servicing Jacksonville

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.

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?

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

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

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

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

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

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

Can I find deals for flights from Seattle to Jacksonville that include hotel bookings?

How can I find direct flights from Seattle to Jacksonville?

Can I find deals for business class flights from Seattle to Jacksonville?

What is the cheapest month to book a flight from Seattle to Jacksonville?

Traveling to a place near Jacksonville?

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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.

Top 5 airlines flying from Seattle to Jacksonville

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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 December 12, 2025.