$151 Cheap Flights from Jacksonville (JAX) to Seattle (SEA)

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

Experience a range of options for Jacksonville to Seattle flights on this domestic long-haul journey. With choices from full-service airlines to budget carriers, you can easily compare Jacksonville to Seattle airfare to find the perfect itinerary that aligns with your budget and schedule. Explore Seattle's iconic sights and diverse neighborhoods as you plan your trip. Discover essential details for flights from Jacksonville International Airport (JAX) to Seattle-Tacoma International Airport (SEA), including weekly flights available for your convenience.

• Fastest flight duration: around 6 hours non-stop
• Route distance: roughly 2,400 miles (3,860 km)
• Flights per week: around 25+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $150–$520, depending on seasonality and how far ahead you book

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

Based on the latest traveler bookings, here are the top airlines flying from Jacksonville to Seattle, often selected for one-stop and multi-stop flights. Popular layover options include Dallas-Fort Worth International Airport (DFW) with a 1 hour and 30-minute layover, Hartsfield-Jackson Atlanta International Airport (ATL) with a 1 hour and 15-minute layover, and Charlotte-Douglas International Airport (CLT), also with a 1 hour and 15-minute layover. These choices offer the flexibility to balance 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 ticket prices generally falling between $150 and $510. It represents about 45% of departures on this route, featuring an in-flight duration of 7 hours and 15 minutes, leading to a total travel time of approximately 8 hours and 30 minutes.
• Delta: As a full-service airline, Delta offers one-stop flights with one-way fares typically ranging from $150 to $575. It makes up around 27% of the departures for this route, with an in-flight time of 7 hours and 15 minutes, resulting in an overall journey time of about 8 hours and 30 minutes, including layover.
• United: This full-service carrier provides one-stop service, with one-way fares usually between $165 and $600. United accounts for approximately 16% of the departures on this route, featuring a flight duration of 7 hours and 15 minutes, leading to a total travel time of roughly 8 hours and 30 minutes, including layover.
• Southwest Airlines: A budget-friendly airline, Southwest offers non-stop, one-stop, and multi-stop services, with one-way fares typically ranging from $170 to $480. It comprises around 9% of the departures on this route, with a standard one-stop flight duration of 7 hours and 15 minutes, resulting in a total journey time of about 8 hours and 30 minutes.
• Alaska Airlines: As a full-service airline providing one-stop service, Alaska Airlines has one-way fares typically falling between $225 and $620. It holds a small share of 1% of departures on this route, with an in-flight time of 7 hours and 15 minutes and an overall journey time of approximately 8 hours and 30 minutes, including layover.

Travelers flying from Jacksonville to Seattle have the option to upgrade their seats. Delta provides both first class and premium economy service, while American Airlines and United each offer first class for an enhanced travel experience.

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

The most popular months for travelers flying from Jacksonville to Seattle are April, June, and July, when peak temperatures in Seattle reach up to 67.1°F in July. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 61.3°F and typically the lowest average one-way fare (around $238). Flight availability peaks in June and July, with approximately 44 flights per week, making it easier to find convenient departure times. February has the fewest flights, with approximately 20 flights per week.

• Cheapest time to fly: September usually offers good deals with average one-way fare around $238, roughly 19% cheaper than the yearly average.
• Another budget-friendly time to fly: October typically offers an average one-way fare of around $246.
• Most flight options: June and July have the highest number of flights from Jacksonville to Seattle, with approximately 44 flights per week, giving you more flexibility in scheduling your trip.

*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 Jacksonville (JAX) to Seattle (SEA)

• Gainesville to Seattle (GNV-SEA): Gainesville Regional Airport (GNV) is located approximately 66 miles from Jacksonville International Airport (JAX). One-way economy prices on this route generally fall between $215 and $605, varying by season and how far in advance you purchase your ticket. Typically, this route offers one-stop flights, with common layover points at Hartsfield-Jackson Atlanta International Airport (ATL) and Dallas-Fort Worth International Airport (DFW). The leading airlines for this route include American Airlines and Delta, with options for business and first-class service available as well.

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

Getting some of the best deals on flights from Jacksonville to Seattle 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 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures (12 PM to 6 PM) often offer lower prices, while Morning flights (5 AM to 12 PM) are more popular. Additionally, flying on Wednesday typically results in cheaper fares, though Saturday remains the most sought-after travel day.
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 Seattle - Tacoma International Airport from Jacksonville International Airport

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

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
• Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma 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 Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles away on foot, while Tukwila Station, a train station, is about 4.3 miles away by car, providing convenient access for travelers seeking both local and longer-distance transportation options.

Jacksonville to Seattle Flights

The cheapest times to fly from Jacksonville to Seattle

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 Jacksonville to Seattle are during the month of November. You can find some of the cheapest flights from Jacksonville to Seattle with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Jacksonville to Seattle

Sunday is one of the best days to book for cheap flights from Jacksonville to Seattle: 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 Jacksonville to Seattle

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 Jacksonville to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $151 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 Jacksonville to Seattle 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 Jacksonville to Seattle 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.