$159 Cheap United flights Sacramento (SMF) to Great Falls (GTF)

View $159 flight on Wed, Nov 26, 2025Opens in a new window

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$159 Cheap United flights Sacramento (SMF) to Great Falls (GTF)

Prices were available within the past 7 days and start at $159 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 30 - Tue, Sep 2
SMF
Sacramento
GTF
Great Falls
$277 Roundtrip, found 6 days ago
$277
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 30 from Sacramento to Great Falls, returning Tue, Sep 2, priced at $277 found 6 days ago
United
Tue, Nov 18 - Wed, Dec 3
SMF
Sacramento
GTF
Great Falls
$314 Roundtrip, found 12 hours ago
$314
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Nov 18 from Sacramento to Great Falls, returning Wed, Dec 3, priced at $314 found 12 hours ago
United
Thu, Nov 6 - Sun, Nov 9
SMF
Sacramento
GTF
Great Falls
$318 Roundtrip, found 6 hours ago
$318
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Nov 6 from Sacramento to Great Falls, returning Sun, Nov 9, priced at $318 found 6 hours ago
United
Sat, Nov 15 - Fri, Nov 28
SMF
Sacramento
GTF
Great Falls
$331 Roundtrip, found 4 days ago
$331
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 15 from Sacramento to Great Falls, returning Fri, Nov 28, priced at $331 found 4 days ago
Flights from Sacramento (SMF) to Great Falls (GTF)
Origin airport
Sacramento Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Popular airline
Delta
Distance
795 mi

Frequently asked questions

How much is a United Airlines flight from Sacramento Intl. Airport (SMF) to Great Falls Intl. Airport (GTF)?
Finding cheap one-way United Airlines flights from SMF to GTF from $159 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $277 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SMF to GTF with United Airlines?
January is one of the least expensive months to jet off to Great Falls with United Airlines. You could also find great prices on return and one-way tickets in February.
What is the cheapest time to book flights from Sacramento Intl. Airport (SMF) to Great Falls Intl. Airport (GTF) with United Airlines?
Search for affordable United Airlines flights from Sacramento Intl. Airport (SMF) to Great Falls Intl. Airport (GTF) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Sacramento Intl. Airport (SMF) to Great Falls Intl. Airport (GTF)?
Click on our "Nonstop" filter when looking for direct United Airlines flights from SMF to GTF. It's also an easy way to compare other airlines servicing the same nonstop route.
What is the earliest United Airlines flight from SMF to GTF?
To find the earliest departures from SMF to GTF with United Airlines, filter your results by "Morning" and "Early Morning." Choosing an early flight generally means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Great Falls?
Great Falls Intl. Airport (GTF) is the primary Great Falls gateway for United Airlines flights from Sacramento Intl. Airport (SMF).
Why fly with United Airlines from SMF to GTF?
Journey from SMF to GTF with United Airlines and you can look forward to a range of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Sacramento Intl. Airport (SMF) to Great Falls Intl. Airport (GTF)?
You can usually modify or cancel your flight, although there may be additional fees if you made your booking over 24 hours ago. Need to keep your options open? Use Expedia's "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you need to adjust your plans. To modify your itinerary, head to "Trips," select your flight and click on "Manage Booking" for more details.
*Available to One Key members.