Cheap Flights from Great Falls (GTF) to Seattle (BFI)

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (BFI-Boeing Field)

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Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $252
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $252
Flights from Great Falls (GTF) to Seattle (BFI)
Origin airport
Great Falls Intl.
Destination airport
Boeing Field
Distance
510 mi

Great Falls to Seattle Flights

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

 

The best time to book a flight from Great Falls to Seattle

Sunday is one of the best days to book for cheap flights from Great Falls 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 Great Falls 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 Great Falls to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Great Falls 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 Great Falls 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 Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI) cost?
Lock in a cheap one-way flight or cheap return flight from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI)?
is the cheapest month to fly from GTF to BFI. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from GTF to BFI. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI)?
You'll need to take a flight with a layover when traveling from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from GTF to BFI?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI)?
Book a flight from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**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.
What airports do you fly into for Seattle from Great Falls Intl. Airport (GTF)?
If you're boarding a direct flight from Great Falls Intl. Airport (GTF) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI) last-minute?
Holding off until right before your break to book your flight from GTF to BFI generally means paying more. Although you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a GTF to BFI flight and hotel package?
Compared with arranging hotels and flights separately, booking a GTF to BFI flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Boeing Field Airport (BFI)?
Typically, you're able to reschedule or cancel your GTF to BFI flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more details, visit our Customer Service portal.

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