Which airport is the most popular layover for flights between Seattle and Jacksonville?

Atlanta (ATL) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seattle to Jacksonville?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 7h 08m.

Which layover airport offers the lowest fares from Seattle to Jacksonville?

Flights via Denver (DEN) offer the lowest average round-trip price of $393.

What airlines fly to Jacksonville?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Jacksonville from Seattle according to our data. American Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Jacksonville. Keep in mind that there are 5 different airlines that fly to Jacksonville on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Jacksonville?

Frontier, Delta, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Jacksonville

Which layover airport has the shortest connection time from Seattle to Jacksonville?

Charlotte (CLT) has the shortest average layover time for this route: 0h 51m.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport were last updated today.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport?

There are 5 operators available for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport as of November 2025.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Jacksonville Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Jacksonville Airport.

What documentation or ID do you need to fly to Jacksonville Airport?

The travel and health documents you'll need for your trip to Jacksonville Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Jacksonville Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$100 Cheap Flights from Seattle to Jacksonville in 2025/26

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Cheap round-trip flights

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9:32 am - 8:48 pmSEA-JAX

8h 16m1 stop

1:57 pm - 8:46 amJAX-SEA

21h 49m1 stop

$321Frontier

Find Deal

Sun, Nov 23 - Thu, Dec 4

8:22 pm - 7:01 pmSEA-JAX

19h 39m2 stops

9:38 am - 9:56 amJAX-SEA

27h 18m1 stop

$336Multiple Airlines

Find Deal

Sun, Nov 16 - Sat, Dec 6

6:45 am - 4:50 pmSEA-JAX

7h 05m1 stop

5:50 am - 10:45 amJAX-SEA

7h 55m1 stop

$355Southwest

Find Deal

Wed, Feb 18 - Wed, Feb 25

6:04 am - 4:44 pmSEA-JAX

7h 40m1 stop

8:30 am - 2:18 pmJAX-SEA

8h 48m1 stop

$359Delta

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Tue, Mar 3 - Wed, Mar 4

9:55 am - 9:55 pmSEA-JAX

9h 00m1 stop

1:35 pm - 10:30 pmJAX-SEA

11h 55m2 stops

$360Southwest

Find Deal

Wed, Feb 18 - Wed, Feb 25

11:10 pm - 11:11 amSEA-JAX

9h 01m1 stop

11:07 am - 8:00 pmJAX-SEA

11h 53m1 stop

$363Delta

Find Deal

Wed, Jan 28 - Sat, Jan 31

8:35 am - 7:59 pmSEA-JAX

8h 24m1 stop

7:19 am - 3:34 pmJAX-SEA

11h 15m1 stop

$365American Airlines

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Thu, Jan 15 - Tue, Jan 20

8:04 am - 8:58 pmSEA-JAX

9h 54m1 stop

2:42 pm - 10:20 pmJAX-SEA

10h 38m2 stops

$368American Airlines

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Wed, Jan 28 - Sat, Jan 31

7:00 am - 9:52 pmSEA-JAX

11h 52m2 stops

4:00 pm - 9:17 pmJAX-SEA

8h 17m1 stop

$442United Airlines

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Thu, Mar 5 - Tue, Mar 10

7:00 am - 9:14 pmSEA-JAX

11h 14m2 stops

4:16 pm - 9:14 pmJAX-SEA

7h 58m1 stop

$464United Airlines

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Tue, Mar 3 - Wed, Mar 4

Southwest flights from Seattle to Jacksonville

Our best Southwest deals on Seattle to Jacksonville flight tickets

Southwest

Feb 18

SEA6:45 amSeattle/Tacoma Intl

7h 05m

1 stop

JAX4:50 pmJacksonville

Feb 25

JAX5:50 amJacksonville

7h 55m

1 stop

SEA10:45 amSeattle/Tacoma Intl

$355

Find similar

Southwest

Feb 18

SEA9:55 amSeattle/Tacoma Intl

9h 00m

1 stop

JAX9:55 pmJacksonville

Feb 25

JAX1:35 pmJacksonville

11h 55m

2 stops

SEA10:30 pmSeattle/Tacoma Intl

$360

Find similar

Southwest

Dec 3

SEA5:40 amSeattle/Tacoma Intl

9h 40m

1 stop

JAX6:20 pmJacksonville

Dec 9

JAX1:05 pmJacksonville

12h 50m

2 stops

SEA10:55 pmSeattle/Tacoma Intl

$364

Find similar

Delta flights from Seattle to Jacksonville

Our best Delta deals on Seattle to Jacksonville flight tickets

Delta

Mar 3

SEA6:04 amSeattle/Tacoma Intl

7h 40m

1 stop

JAX4:44 pmJacksonville

Mar 4

JAX8:30 amJacksonville

8h 48m

1 stop

SEA2:18 pmSeattle/Tacoma Intl

$359

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Delta

Jan 28

SEA11:10 pmSeattle/Tacoma Intl

9h 01m

1 stop

JAX11:11 amJacksonville

Jan 31

JAX11:07 amJacksonville

11h 53m

1 stop

SEA8:00 pmSeattle/Tacoma Intl

$363

Find similar

Delta

Nov 22

SEA11:10 pmSeattle/Tacoma Intl

8h 37m

1 stop

JAX10:47 amJacksonville

Dec 6

JAX6:40 pmJacksonville

8h 19m

1 stop

SEA11:59 pmSeattle/Tacoma Intl

$367

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Fly from

Fly to

Route

Depart

Return

Price

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 11/23

9:32 am-8:48 pm

1 stop8h 16m

Jacksonville

Thu 12/4

1:57 pm-8:46 am

1 stop21h 49m

$321

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Sun 11/16

8:22 pm-7:01 pm

2 stops19h 39m

Jacksonville

Sat 12/6

9:38 am-9:56 am

1 stop27h 18m

$336

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 2/18

6:45 am-4:50 pm

1 stop7h 05m

Jacksonville

Wed 2/25

5:50 am-10:45 am

1 stop7h 55m

$355

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 3/3

6:04 am-4:44 pm

1 stop7h 40m

Jacksonville

Wed 3/4

8:30 am-2:18 pm

1 stop8h 48m

$359

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 2/18

9:55 am-9:55 pm

1 stop9h 00m

Jacksonville

Wed 2/25

1:35 pm-10:30 pm

2 stops11h 55m

$360

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 1/28

11:10 pm-11:11 am

1 stop9h 01m

Jacksonville

Sat 1/31

11:07 am-8:00 pm

1 stop11h 53m

$363

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 1/15

8:35 am-7:59 pm

1 stop8h 24m

Jacksonville

Tue 1/20

7:19 am-3:34 pm

1 stop11h 15m

$365

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Wed 1/28

8:04 am-8:58 pm

1 stop9h 54m

Jacksonville

Sat 1/31

2:42 pm-10:20 pm

2 stops10h 38m

$368

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Thu 3/5

7:00 am-9:52 pm

2 stops11h 52m

Jacksonville

Tue 3/10

4:00 pm-9:17 pm

1 stop8h 17m

$442

SeattleJacksonville

SEA - JAX

SEAJAX

Seattle/Tacoma Intl

Tue 3/3

7:00 am-9:14 pm

2 stops11h 14m

Jacksonville

Wed 3/4

4:16 pm-9:14 pm

1 stop7h 58m

$464

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How to get the cheapest flight ticket from Seattle to Jacksonville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of September, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $402.

What is the cheapest day to depart on your flight to Jacksonville?

According to our data, Friday is the cheapest day to fly to Jacksonville from Seattle. The lowest ticket price found for a Friday departure recently was $398. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $601.

What is the cheapest time of day to depart on your flight to Jacksonville?

Flying to Jacksonville from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $398 when looking at flights departing in the morning. Flights to Jacksonville are more costly in the evening, with an average ticket price of $512. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Seattle/Tacoma Intl to Jacksonville flight route?

Fly from Seattle/Tacoma Intl to Jacksonville for the best Seattle/Tacoma Intl - Jacksonville flight prices

How far in advance should I book a flight to Jacksonville?

You are more likely to see cheaper flights to Jacksonville from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Jacksonville for around $474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Jacksonville from Seattle for as low as $259 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Jacksonville flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Jacksonville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Jacksonville flight prices changed over time?

As of November 2025, prices for Seattle to Jacksonville flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Jacksonville

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Jacksonville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Jacksonville (SEA to JAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Jacksonville

Direct flights	None

There are no direct flights from Seattle to Jacksonville. There are no popular flight routes from Seattle to Jacksonville.

Search flight deals

How far is Seattle/Tacoma Intl to Jacksonville by plane?
The distance between Seattle/Tacoma Intl and Jacksonville is about 2450.3 mi. 7h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport?
There are 5 operators available for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport as of November 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Jacksonville Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Jacksonville Airport.
What documentation or ID do you need to fly to Jacksonville Airport?
The travel and health documents you'll need for your trip to Jacksonville Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Jacksonville Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Jacksonville?
Based on momondo bookings for flights between Seattle and Jacksonville, the leading plane model is Airbus A321-100/200, making up 100.00% of the total bookings.
What is the most popular airline from Seattle to Jacksonville?
Based on momondo bookings for flights between Seattle and Jacksonville, the leading airline is American Airlines, making up 63% of the total bookings. Other popular airlines include Delta with 21%, United Airlines with 9%, and Southwest with 6%.

Best airlines flying from Seattle to Jacksonville

Compare and see reviews for airlines that fly from Seattle to Jacksonville with momondo

Airline	Rating	Free Cancellation	Price
Sun Country Air	PriceFrom $200	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights
United Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
Delta	PriceFrom $312	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
American Airlines	PriceFrom $322	Free Cancellation	Rating 7.2 11,036 reviews	Search American Airlines flights
Southwest	PriceFrom $364	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights

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Orange Park

Ponte Vedra Beach

Kingsland

Waycross

Atlantic Beach

Neptune Beach

St Johns

Yulee

Cumberland Island

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Jacksonville?

Finding the right flight to Jacksonville from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Jacksonville quick and easy, saving you time and money.

Can I find flights from Seattle to Jacksonville with flexible booking policies on momondo?

Yes. All flights to Jacksonville from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Jacksonville?

momondo provides multiple filters to help you find the best flight to Jacksonville from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Jacksonville right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Jacksonville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Jacksonville trip

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Cheap flights from Seattle to Jacksonville from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Jacksonville departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Seattle to Jacksonville

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How to get the cheapest flight ticket from Seattle to Jacksonville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Jacksonville?

If you are unable to visit Jacksonville during the month of September, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $402.

What is the cheapest day to depart on your flight to Jacksonville?

What is the cheapest time of day to depart on your flight to Jacksonville?

What is the cheapest Seattle/Tacoma Intl to Jacksonville flight route?

Fly from Seattle/Tacoma Intl to Jacksonville for the best Seattle/Tacoma Intl - Jacksonville flight prices

How far in advance should I book a flight to Jacksonville?

What cabin class options are available on Seattle/Tacoma Intl to Jacksonville flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Jacksonville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Jacksonville flight prices changed over time?

As of November 2025, prices for Seattle to Jacksonville flights are approximately 16% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Jacksonville?

Frontier, Delta, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Jacksonville

What airlines fly to Jacksonville?

Which airport is the most popular layover for flights between Seattle and Jacksonville?

Atlanta (ATL) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Jacksonville?

Flights via Denver (DEN) offer the lowest average round-trip price of $393.

Which layover airport has the shortest travel time from Seattle to Jacksonville?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 7h 08m.

Which layover airport has the shortest connection time from Seattle to Jacksonville?

Charlotte (CLT) has the shortest average layover time for this route: 0h 51m.

When to book flights from Seattle to Jacksonville

Cheap Seattle to Jacksonville (SEA to JAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Jacksonville

Direct flights

How far is Seattle/Tacoma Intl to Jacksonville by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Jacksonville Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Jacksonville Airport?

What documentation or ID do you need to fly to Jacksonville Airport?

What is the most popular plane model from Seattle to Jacksonville?

What is the most popular airline from Seattle to Jacksonville?

Best airlines flying from Seattle to Jacksonville

Compare and see reviews for airlines that fly from Seattle to Jacksonville with momondo

Traveling to a place near Jacksonville?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Jacksonville?

Can I find flights from Seattle to Jacksonville with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Jacksonville?

I’m not ready to book a flight from Seattle to Jacksonville right now. Can momondo alert me if prices change?

An easier way to manage your Jacksonville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida