$100 Cheap Flights from Gulfport (GPT) to Seattle (SEA)

View $100 flight on Wed, Feb 18, 2026Opens in a new window

Popular airlines from Gulfport - Biloxi Intl. Airport (GPT) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Gulfport to Seattle (GPT-SEA)

Prices were available within the past 7 days and start at $100 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Feb 10 - Wed, Feb 18
GPT
Gulfport
SEA
Seattle
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Feb 10 from Gulfport to Seattle, returning Wed, Feb 18, priced at $217 found 1 day ago
American Airlines
Fri, Oct 31 - Sun, Nov 2
GPT
Gulfport
SEA
Seattle
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 31 from Gulfport to Seattle, returning Sun, Nov 2, priced at $218 found 1 day ago
United
Wed, Feb 11 - Wed, Feb 18
GPT
Gulfport
SEA
Seattle
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select United flight, departing Wed, Feb 11 from Gulfport to Seattle, returning Wed, Feb 18, priced at $222 found 6 days ago
United
Tue, Feb 10 - Wed, Feb 18
GPT
Gulfport
SEA
Seattle
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 10 from Gulfport to Seattle, returning Wed, Feb 18, priced at $224 found 1 day ago
Delta
Fri, Oct 31 - Sun, Nov 2
GPT
Gulfport
SEA
Seattle
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 31 from Gulfport to Seattle, returning Sun, Nov 2, priced at $227 found 1 day ago
Delta
Tue, Nov 11 - Tue, Nov 18
GPT
Gulfport
SEA
Seattle
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 11 from Gulfport to Seattle, returning Tue, Nov 18, priced at $235 found 1 day ago
American Airlines
Thu, Oct 30 - Mon, Nov 3
GPT
Gulfport
SEA
Seattle
$238 Roundtrip, found 5 hours ago
$238
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Gulfport to Seattle, returning Mon, Nov 3, priced at $238 found 5 hours ago
Delta
Tue, Oct 7 - Tue, Oct 21
GPT
Gulfport
SEA
Seattle
$243 Roundtrip, found 18 hours ago
$243
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Oct 7 from Gulfport to Seattle, returning Tue, Oct 21, priced at $243 found 18 hours ago
American Airlines
Tue, Oct 28 - Wed, Oct 29
GPT
Gulfport
SEA
Seattle
$256 Roundtrip, found 4 hours ago
$256
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Gulfport to Seattle, returning Wed, Oct 29, priced at $256 found 4 hours ago
Alaska Airlines
Sat, Nov 1 - Tue, Nov 4
GPT
Gulfport
SEA
Seattle
$335 Roundtrip, just found
$335
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Nov 1 from Gulfport to Seattle, returning Tue, Nov 4, priced at $335 just found

Find the cheapest month to fly from Gulfport (GPT) to Seattle (SEA)

September is typically the cheapest month to fly

From $214 - $544 per traveler.
Flights from Gulfport (GPT) to Seattle (SEA)
Origin airport
Gulfport - Biloxi Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$216
Distance
2113 mi

Gulfport to Seattle Flights

The cheapest times to fly from Gulfport 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 Gulfport to Seattle are during the month of February. You can find some of the cheapest flights from Gulfport to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Gulfport to Seattle

Sunday is one of the best days to book for cheap flights from Gulfport 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 Gulfport 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 Gulfport to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Gulfport 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 Gulfport 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.

 

Frequently asked questions

How much does a flight from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $100 or cheap return flight from $217 from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA)?
February is the most affordable month to fly from GPT to SEA. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest GPT to SEA flight.
How many flights per day from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GPT to SEA?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA)?
To arrive at Seattle - Tacoma Intl. Airport (SEA) without delays, opt for a flight that takes off from Gulfport - Biloxi Intl. Airport (GPT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until right before your break to book a flight from GPT to SEA generally means paying more. While it's possible to find some last-minute deals, there's no guarantee. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a GPT to SEA flight and hotel package?
You can save money by booking a GPT to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your ideal accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Gulfport - Biloxi Intl. Airport (GPT) to Seattle - Tacoma Intl. Airport (SEA)?
You can usually cancel or reschedule your GPT to SEA flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.