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CA $180 Cheap Flights from Great Falls (GTF) to Seattle (SEA)

View CA $180 flight on Wed, Sep 2, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Seattle-Tacoma International Airport (SEA)

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Cheap flights from Great Falls (GTF) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $180 for one-way flights and CA $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Nov 7 - Sat, Nov 14
GTF
Great Falls
SEA
Seattle
CA $289 Roundtrip, found 15 hours ago
CA $289
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sat, Nov 7 from Great Falls to Seattle, returning Sat, Nov 14, priced at CA $289 found 15 hours ago
Delta
Sat, Nov 7 - Sat, Nov 14
GTF
Great Falls
SEA
Seattle
CA $302 Roundtrip, found 15 hours ago
CA $302
Roundtrip
found 15 hours ago
Select Delta flight, departing Sat, Nov 7 from Great Falls to Seattle, returning Sat, Nov 14, priced at CA $302 found 15 hours ago
Alaska Airlines
Fri, Sep 25 - Wed, Sep 30
GTF
Great Falls
SEA
Seattle
CA $304 Roundtrip, found 1 day ago
CA $304
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Sep 25 from Great Falls to Seattle, returning Wed, Sep 30, priced at CA $304 found 1 day ago
Delta
Sat, Sep 26 - Thu, Oct 1
GTF
Great Falls
SEA
Seattle
CA $316 Roundtrip, found 1 day ago
CA $316
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep 26 from Great Falls to Seattle, returning Thu, Oct 1, priced at CA $316 found 1 day ago
Delta
Wed, Sep 23 - Sat, Sep 26
GTF
Great Falls
SEA
Seattle
CA $345 Roundtrip, found 2 days ago
CA $345
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Sep 23 from Great Falls to Seattle, returning Sat, Sep 26, priced at CA $345 found 2 days ago
Delta
Sat, Sep 26 - Thu, Oct 1
GTF
Great Falls
SEA
Seattle
CA $359 Roundtrip, found 1 day ago
CA $359
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep 26 from Great Falls to Seattle, returning Thu, Oct 1, priced at CA $359 found 1 day ago
Alaska Airlines
Sat, Nov 7 - Sat, Nov 14
GTF
Great Falls
SEA
Seattle
CA $380 Roundtrip, found 15 hours ago
CA $380
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sat, Nov 7 from Great Falls to Seattle, returning Sat, Nov 14, priced at CA $380 found 15 hours ago
Alaska Airlines
Wed, Sep 23 - Sat, Sep 26
GTF
Great Falls
SEA
Seattle
CA $381 Roundtrip, found 2 days ago
CA $381
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Sep 23 from Great Falls to Seattle, returning Sat, Sep 26, priced at CA $381 found 2 days ago
Alaska Airlines
Tue, Sep 8 - Sat, Sep 12
GTF
Great Falls
SEA
Seattle
CA $389 Roundtrip, found 6 days ago
CA $389
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 8 from Great Falls to Seattle, returning Sat, Sep 12, priced at CA $389 found 6 days ago
United
Wed, Aug 19 - Wed, Aug 26
GTF
Great Falls
SEA
Seattle
CA $974 Roundtrip, found 4 days ago
CA $974
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 19 from Great Falls to Seattle, returning Wed, Aug 26, priced at CA $974 found 4 days ago

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 centre is 20 minutes. Flights from CA $599
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $599

Find the cheapest month to fly from Great Falls (GTF) to Seattle (SEA)

April is typically the cheapest month to fly

From CA $151 - CA $366 per traveller.

Frequently asked questions

How much does a flight from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from CA $180 and cheap return flights from CA $289 GTF to SEA with Expedia. Return flights often range between CA$494 and CA$1815. 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 GTF to SEA ticket fares go up or down.
What is the cheapest month to fly from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you're looking for the cheapest time to fly from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), January is typically your best bet. You can expect average return flight prices around CA$294 during this month. January often sees lower prices because it falls after the busy holiday travel season, when demand for flights usually drops. Other budget-friendly months to consider for this route include February and May.
Which airlines fly direct from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter GTF to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Alaska Airlines is one of the cheapest airlines offering nonstop return flights from Great Falls Intl. (GTF) to Seattle - Tacoma Intl. (SEA), with tickets starting from around CA$288 for flights that can be booked for departure within the next year. Alaska Airlines also offers one of the cheapest connecting return flights on this route, with tickets starting from around CA$457. These prices are for economy/coach class per adult. 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.
How do I find cheap flights from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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 airline to fly with from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. United offers the most daily flights from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
When looking for the best time to fly from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), it's all about balancing good prices with flight availability. You'll find the cheapest fares in January and May, with average return flights around CA$294. While these months offer great value, March and August are typically the most popular times to travel, meaning you'll have plenty of flight options to choose from. If you can be flexible, aiming for January or May will give you the best chance to snag a good deal.
How many flights per day from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 6 connecting flights per day from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Denver Intl. (DEN), Salt Lake City Intl. (SLC), and O'Hare Intl. (ORD).
What is the earliest flight from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 5:20 AM. This service is operated by Delta. This is a seasonal service active in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Great Falls Intl. (GTF) to Seattle - Tacoma Intl. (SEA) on a Sunday, with around 6 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Delta, United, and Alaska Airlines. Flight schedules are quite consistent throughout the week, so you'll have several flight options no matter which day you choose to fly.
What are the most popular departure times for flights from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Great Falls Intl. (GTF) to Seattle - Tacoma Intl. (SEA) are in the evening, from 6pm to 9pm. Many major carriers, including Alaska Airlines and Delta, offer flights during this window. Many travelers prefer this because it allows you to have a full day before your flight and arrive in Seattle in the evening.
How long does it take to fly from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) covers a distance of approximately 822 kilometres. If you're looking for the quickest way to get there, a nonstop flight typically takes around 2 hours. For flights with one stop, you can expect the journey to be longer, usually around 4 hours 48 minutes. Flights with two or more stops will take even more time, generally around 10 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to factor in some extra time when planning your trip.
Can you fly business or first class from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can fly business class or first class between GTF and SEA. First class cabins are available on Alaska Airlines, Delta, and United.
How do I earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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 Seattle, WA (SEA) from Great Falls, MT (GTF)?
If you're planning to travel to Seattle from Great Falls Intl. (GTF), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Denver Intl. (DEN), Salt Lake City Intl. (SLC) before reaching Seattle. 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 Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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 Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package 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 Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Great Falls, MT (GTF-Great Falls Intl.) to Seattle, WA (SEA-Seattle - Tacoma 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
Great Falls Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
CA $288
Distance
817 km
Average flight time
1 hour 50 mins

Book with confidence

Great Falls to Seattle Flights

The easy way to book your flights from Great Falls to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Great Falls whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Great Falls to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Great Falls Intl., GTF to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Great Falls to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Great Falls currently is just CA $289 rising to CA $974.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Great Falls 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Great Falls to Seattle Flights

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