A beach with a pier extending into the ocean, a sandy shore, and buildings in the background.

$225 Cheap Flights from Seattle (SEA) to Jacksonville (JAX)

View $225 flight on Fri, Oct 2, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Jacksonville International Airport (JAX)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Seattle to Jacksonville (SEA-JAX)

Prices were available within the past 7 days and start at $225 for one-way flights and $377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Feb 17 - Sat, Feb 27
SEA
Seattle
JAX
Jacksonville
$377 Roundtrip, found 2 days ago
$377
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Feb 17 from Seattle to Jacksonville, returning Sat, Feb 27, priced at $377 found 2 days ago
United
Fri, Dec 4 - Thu, Dec 10
SEA
Seattle
JAX
Jacksonville
$396 Roundtrip, found 2 days ago
$396
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 4 from Seattle to Jacksonville, returning Thu, Dec 10, priced at $396 found 2 days ago
Southwest Airlines
Fri, Dec 4 - Mon, Dec 7
SEA
Seattle
JAX
Jacksonville
$405 Roundtrip, found 2 days ago
$405
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Fri, Dec 4 from Seattle to Jacksonville, returning Mon, Dec 7, priced at $405 found 2 days ago
United
Tue, Jan 12 - Tue, Jan 19
SEA
Seattle
JAX
Jacksonville
$407 Roundtrip, found 2 days ago
$407
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 12 from Seattle to Jacksonville, returning Tue, Jan 19, priced at $407 found 2 days ago
Frontier Airlines
Fri, Oct 23 - Sun, Oct 25
SEA
Seattle
JAX
Jacksonville
$443 Roundtrip, found 1 hour ago
$443
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Oct 23 from Seattle to Jacksonville, returning Sun, Oct 25, priced at $443 found 1 hour ago
United
Fri, Oct 2 - Mon, Oct 5
SEA
Seattle
JAX
Jacksonville
$444 Roundtrip, just found
$444
Roundtrip
just found
Select United flight, departing Fri, Oct 2 from Seattle to Jacksonville, returning Mon, Oct 5, priced at $444 just found
American Airlines
Fri, Oct 2 - Mon, Oct 5
SEA
Seattle
JAX
Jacksonville
$449 Roundtrip, just found
$449
Roundtrip
just found
Select American Airlines flight, departing Fri, Oct 2 from Seattle to Jacksonville, returning Mon, Oct 5, priced at $449 just found
United
Fri, Oct 2 - Mon, Oct 5
SEA
Seattle
JAX
Jacksonville
$450 Roundtrip, just found
$450
Roundtrip
just found
Select United flight, departing Fri, Oct 2 from Seattle to Jacksonville, returning Mon, Oct 5, priced at $450 just found
Frontier Airlines
Fri, Oct 9 - Tue, Oct 13
SEA
Seattle
JAX
Jacksonville
$452 Roundtrip, just found
$452
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 9 from Seattle to Jacksonville, returning Tue, Oct 13, priced at $452 just found
Delta
Fri, Oct 2 - Mon, Oct 5
SEA
Seattle
JAX
Jacksonville
$459 Roundtrip, just found
$459
Roundtrip
just found
Select Delta flight, departing Fri, Oct 2 from Seattle to Jacksonville, returning Mon, Oct 5, priced at $459 just found

Alternative airports near Jacksonville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Jacksonville Intl. JAX. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $607
JAX
Jacksonville Intl.
Cheapest
Average driving time to city center19 min
Flights from $607

What you need to know for your flight from Seattle - Tacoma Intl. to Jacksonville Intl.

Seattle (SEA) to Jacksonville (JAX) at a glance

Travel from Seattle (SEA) to Jacksonville (JAX) with a range of airlines offering weekly flights on this domestic long-haul route. Whether you prefer full-service or low-cost carriers, you can compare options to discover the itinerary that aligns with your budget and schedule. As you plan your visit, keep an eye out for the latest deals on flights and prepare to explore Jacksonville's iconic attractions and vibrant neighborhoods.

  • Fastest flight duration: around 5h 15m non-stop
  • Route distance: roughly 2,400 miles (3,860 km)
  • Flights per week: around 30+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $155–$510, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Jacksonville International Airport (JAX)

Drawing from the latest traveler bookings, here are the top airlines favored for flights from Seattle to Jacksonville, typically featuring one-stop and multi-stop options. Common layover points include Dallas-Fort Worth International Airport (DFW) with a layover of approximately 1 hour and 15 minutes, Charlotte-Douglas International Airport (CLT) also around 1 hour and 15 minutes, and Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour and 30 minutes. This allows you to mix and match price, total travel time, and cabin class to create the ideal itinerary.

  • American Airlines: This full-service airline provides both non-stop and one-stop options, with one-way fares typically falling between $155 and $510. It represents about 47% of departures on this route, with a standard one-stop flight time of 6 hours and 15 minutes, totaling approximately 7 hours and 45 minutes for the entire journey.
  • Delta: Offering one-stop services as a full-service carrier, Delta's one-way fares usually range from $155 to $550. It makes up around 22% of the departures along this route, with an in-flight duration of 6 hours and 15 minutes and a total travel time of about 7 hours and 45 minutes, including layover time.
  • United: This full-service airline provides one-stop flights, with one-way ticket prices generally between $165 and $635. United accounts for approximately 17% of departures on this route, featuring an in-flight duration of 6 hours and 15 minutes and a total journey time close to 7 hours and 45 minutes, factoring in layovers.
  • Southwest Airlines: As a low-cost carrier, Southwest offers one-stop and multi-stop services, with one-way fares typically between $155 and $510. It comprises about 10% of departures on the route, featuring a standard in-flight time of 6 hours and 15 minutes, with a total journey time nearing 7 hours and 45 minutes.
  • Alaska Airlines: A full-service carrier that provides one-stop service, Alaska Airlines has one-way fares ranging from $225 to $535. It accounts for roughly 2% of departures on this route, with a flight duration of 6 hours and 15 minutes and an overall journey time of about 7 hours and 45 minutes, including layover periods.

Travelers flying from Seattle to Jacksonville can choose to upgrade their experience with top airlines. Delta offers both first class and premium economy cabins, while American Airlines and United each provide a first class option to enhance your journey.

Best time to fly from Seattle (SEA) to Jacksonville (JAX)

The most popular months for travelers flying from Seattle to Jacksonville are March, April, and July, when peak temperatures in Jacksonville reach up to 82.4°F in July. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 79.3°F and typically the lowest average one-way fare (around $269). Flight availability peaks in June and December, with approximately 39 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 22 flights per week.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $269, roughly 9% cheaper than the yearly average.
  • More budget-friendly months to fly: October, July, and August typically offer average one-way fares roughly ranging from $271 to $293.
  • Most flight options: June and December have the highest number of flights from Seattle to Jacksonville, with approximately 39 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January55.9°F (13.3°C)Average22$295
February59.9°F (15.5°C)Average23$305
March64.4°F (18.0°C)Moderately High26$332
April70.2°F (21.2°C)Moderately High29$306
May75.7°F (24.3°C)Moderately Low34$296
June80.8°F (27.1°C)Average39$305
July82.4°F (28.0°C)Moderately High38$288
August82.4°F (28.0°C)Average35$293
September79.3°F (26.3°C)Moderately Low31$269
October72.9°F (22.7°C)Average34$271
November64.6°F (18.1°C)Moderately Low24$298
December60.1°F (15.6°C)Average39$312

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Seattle (SEA) to Jacksonville (JAX)

  • Seattle to Gainesville (SEA-GNV): Gainesville Regional Airport (GNV) is located approximately 66 miles from Jacksonville International Airport (JAX). One-way economy tickets for this journey generally fall within the range of $230 to $565, influenced by the time of year and how early you book. This route commonly features one-stop flights, with frequent layover points at Hartsfield-Jackson Atlanta International Airport (ATL) and Charlotte-Douglas International Airport (CLT). Major airlines servicing this route include American Airlines and Delta, and first-class service is also available.

How to find the best prices for flights from Seattle (SEA) to Jacksonville (JAX)

Getting some of the best deals on flights from Seattle to Jacksonville is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers reserve their flights 2 to 8 weeks ahead. Morning departures, between 5 a.m. and 12 p.m., not only tend to be cheaper but also are the most popular. Additionally, flying on Wednesdays generally offers lower prices, while Thursdays are the most sought-after travel days.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Jacksonville International Airport from Seattle - Tacoma International Airport

Jacksonville welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Jacksonville efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Jacksonville, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Jacksonville International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Jacksonville International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Jacksonville International Airport, the Jacksonville Cruise Terminal, a transport terminal, is located about 8.4 miles away, while Jacksonville Station, a train station, is approximately 9 miles from the airport.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) cost?
You can find cheap one-way flights from $225 and cheap return flights from $377 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) with Expedia. One-way flights typically cost between $219 and $1126, and return flights often range between $408 and $1522. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
September is the cheapest month to fly from Seattle (SEA) to Jacksonville (JAX), with average return fares around $413. This is about 14% lower than the average price throughout the year, as demand typically drops after the summer travel season. Other cheap months to fly from SEA to JAX include January and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
Enter SEA to JAX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
American Airlines is one of the cheapest airlines offering nonstop flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.), with round-trip tickets starting from around $522. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
The best time to fly from Seattle to Jacksonville is in September or October, with average return flight prices around $413. These months provide a good combination of lower fares and favorable weather, making them great for your travel plans.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
The earliest flight from Seattle, WA (Seattle - Tacoma Intl.) to Jacksonville, FL (Jacksonville Intl.) typically departs at around 12:05 AM, operated by American Airlines. This seasonal service is available in February and March, allowing you to maximize your time in Jacksonville. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
The most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Air Lines, and United Airlines, offer flights during this window. This timing is popular because it allows travelers to start their day early and arrive in Jacksonville with plenty of time to explore.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
Direct flights from SEA to JAX usually take about 5 hours 20 minutes, traveling roughly 2,439 miles. If you opt for a connecting flight, expect to add around 2 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
Business class seats are offered on the SEA to JAX route with American Airlines.First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Jacksonville from Seattle - Tacoma Intl. (SEA)?
From Seattle - Tacoma Intl. (SEA), you can fly into Jacksonville Intl. (JAX) and Albert J. Ellis (OAJ) in Jacksonville. Some flights may connect through major hubs like Denver Intl. (DEN), San Francisco Intl. (SFO), Sky Harbor Intl. (PHX) before reaching Jacksonville. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) Jacksonville Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Jacksonville, FL (JAX-Jacksonville Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Jacksonville Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$376
Distance
2438 mi

Book with confidence

Seattle to Jacksonville Flights

The cheapest times to fly from Seattle to Jacksonville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Jacksonville are during the month of February. You can find some of the cheapest flights from Seattle to Jacksonville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Jacksonville

Sunday is one of the best days to book for cheap flights from Seattle to Jacksonville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Jacksonville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Jacksonville in 2026. You can also book with separate airlines for your outbound and return journeys, from $225 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Jacksonville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Jacksonville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Jacksonville Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia