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$108+ Cheap flights from Seattle to Great Falls (SEA - GTF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GTF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Seattle to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$152
(Hawaiian Airlines)

One-way from

$108
(Delta)

Popular in

November

Cheapest in

January

Average price

$416

Good round-trip deal

$181 or less
From Seattle/Tacoma Intl to Great Falls
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One-way flight from Seattle/Tacoma Intl to Great Falls
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Highest demand for flights based on searches. 20% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Great Falls.
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Find flight deals from Seattle to Great Falls

Cheapest flights from Seattle to Great Falls
Explore the most affordable flight options available from Seattle to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:14 pmSEA - GTF
Nonstop1h 35mHawaiian Airlines
Sat 9/204:29 pmGTF - SEA
Nonstop2h 03mHawaiian Airlines
Deal found 7/28$152
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:14 pmSEA - GTF
Nonstop1h 35mAlaska Airlines
Sat 9/204:29 pmGTF - SEA
Nonstop2h 03mAlaska Airlines
Deal found 7/27$154
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:30 amSEA - GTF
1 stop4h 33mDelta
Tue 8/265:45 amGTF - SEA
1 stop4h 10mDelta
Deal found 7/27$173

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Seattle to Great Falls that are best for you.

Fly from

Seattle

Fly to

Great Falls

Route

Depart

Return

Price

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Sat 9/13

1:14 pm-3:49 pm

Nonstop1h 35m

Great Falls

Sat 9/20

4:29 pm-5:32 pm

Nonstop2h 03m

$152

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Sat 9/13

1:14 pm-3:49 pm

Nonstop1h 35m

Great Falls

Sat 9/20

4:29 pm-5:32 pm

Nonstop2h 03m

$154

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Tue 8/19

5:30 am-11:03 am

1 stop4h 33m

Great Falls

Tue 8/26

5:45 am-8:55 am

1 stop4h 10m

$173

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Tue 8/19

5:30 am-11:03 am

1 stop4h 33m

$108

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Tue 8/19

1:40 pm-4:13 pm

Nonstop1h 33m

$169

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Mon 8/18

1:40 pm-4:13 pm

Nonstop1h 33m

$244

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Sun 8/3

5:30 pm-9:24 am

1 stop14h 54m

$270

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Tue 8/19

6:25 am-9:28 pm

2 stops14h 03m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Seattle to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Great Falls

What is the cheapest month to book a flight from Seattle to Great Falls?

Currently, January is the cheapest month in which you can book a flight from Seattle to Great Falls (average of $367). Flying from Seattle to Great Falls in July is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to GTF?

Find hourly flight availability from Seattle to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

It’s typically best to fly out from Seattle to Great Falls at noon. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Seattle to Great Falls

Explore weekly flight availability from Seattle to Great Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2025.

The most flights from SEA to GTF are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Great Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Great Falls?

    To fly from Seattle to Great Falls, you need to book a flight from Seattle/Tacoma Intl (SEA) to Great Falls (GTF). Nonstop flights to Great Falls from Seattle/Tacoma Intl take 1h 33m on average. When it comes time to book airfare, you have a few options: there are 3 outbound flights from Seattle/Tacoma Intl to Great Falls offered by 2 different airlines.

  • How popular is this Seattle to Great Falls flight route?

    Within the past month, 2 users have taken a look at flights from Seattle/Tacoma Intl to Great Falls.

  • What are the cheapest airlines flying from Seattle to Great Falls round-trip?

    According to our current data, Hawaiian Airlines ($152), Alaska Airlines ($154), and Delta ($173) offers the cheapest pricing from Seattle to Great Falls. Users have found that Hawaiian Airlines is 49% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Great Falls one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $108. Hawaiian Airlines flights start at $169 while deals on Alaska Airlines start at $244 one-way.

  • What are the most reliable airlines from Seattle to Great Falls?

    No one likes to see their flight delayed. When booking a flight from Seattle to Great Falls consider choosing SkyWest Airlines (78%), Alaska Airlines (76%) or Japan Airlines (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Great Falls?

    While on average a flight from Seattle to Great Falls is generally $181, our data shows the cheapest flight currently is $181. When looking at the most popular route, (Seattle/Tacoma Intl - Great Falls), you can expect to pay $152 for that flight.

  • Can I find deals for flights from Seattle to Great Falls that include hotel bookings?

    Yes. In addition to deals on Seattle to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Great Falls.

  • Can I find deals for business class flights from Seattle to Great Falls?

    Yes. Cheapflights offers flight deals from Seattle to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Great Falls (average of $367). Flying from Seattle to Great Falls in July is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Great Falls?

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Top 2 airlines flying from Seattle to Great Falls

Discover the top 2 airlines that operate flights from Seattle to Great Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$156Average$274FlexibilityNo cancel feeOn-time75%
DeltaCheapest$176Average$321FlexibilityNo cancel feeOn-timeN/A

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