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Great Falls

$128+ Cheap flights from Oregon to Great Falls (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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GTF
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
1 adult, Economy
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Cheap flight deals from Oregon to Great Falls

Cheapest flights from Oregon to Great Falls
Explore the most affordable flight options available from Oregon to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 1, 2026.

This Delta deal was found by Cheapflights users on 1/31. 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.
Thu 3/125:45 am
PDX
-
GTF
1 stop5h 39m
Delta
Sun 3/156:22 pm
GTF
-
PDX
1 stop6h 32m
Delta
Deal found 1/31$290
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/312:55 pm
MFR
-
GTF
1 stop7h 58m
United Airlines
Sat 2/72:29 pm
GTF
-
MFR
1 stop7h 33m
United Airlines
Deal found 1/29$343
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
Fri 7/107:20 pm
MFR
-
GTF
1 stop21h 55m
Alaska Airlines
Tue 7/146:55 pm
GTF
-
MFR
1 stop6h 04m
Alaska Airlines
Deal found 1/30$378
This Delta deal was found by Cheapflights users on 2/1. 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.
Thu 6/254:40 pm
EUG
-
GTF
1 stop5h 04m
Delta
Mon 6/296:20 pm
GTF
-
EUG
1 stop6h 26m
Delta
Deal found 2/1$394
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 2/178:30 am
PDX
-
GTF
1 stop6h 47m
Alaska Airlines
Mon 2/234:57 pm
GTF
-
PDX
1 stop6h 44m
Alaska Airlines
Deal found 1/30$413
This Delta deal was found by Cheapflights users on 1/30. 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.
Fri 7/106:05 am
MFR
-
GTF
2 stops10h 34m
Delta
Tue 7/146:20 pm
GTF
-
MFR
1 stop6h 21m
Delta
Deal found 1/30$427
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 6/259:51 am
EUG
-
GTF
1 stop7h 24m
Alaska Airlines
Mon 6/296:55 pm
GTF
-
EUG
2 stops24h 38m
Alaska Airlines
Deal found 1/30$478
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:25 pm
MFR
-
GTF
2 stops25h 54m
United Airlines
Tue 7/142:29 pm
GTF
-
MFR
3 stops22h 35m
United Airlines
Deal found 1/31$622
This Delta deal was found by Cheapflights users on 1/30. 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 2/177:15 am
PDX
-
GTF
2 stops9h 18m
Delta
Mon 2/231:15 pm
GTF
-
PDX
2 stops8h 40m
Delta
Deal found 1/30$665
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 2/208:30 am
PDX
-
GTF
1 stop6h 47m
Alaska Airlines
Tue 2/244:57 pm
GTF
-
PDX
1 stop6h 44m
Alaska Airlines
Deal found 1/31$681
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 2/32:30 pm
PDX
-
GTF
2 stops25h 49m
Alaska Airlines
Sat 2/75:59 pm
GTF
-
PDX
2 stops23h 46m
Alaska Airlines
Deal found 1/31$700
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/71:10 pm
EUG
-
GTF
1 stop7h 33m
United Airlines
Tue 2/102:29 pm
GTF
-
EUG
1 stop7h 49m
United Airlines
Deal found 1/31$742

Find flight deals from Oregon to Great Falls

Keep the following information in mind while searching for Oregon to Great Falls flight deals. Data was last updated February 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$290
(Delta)

One-way from

$128
(Alaska Airlines)

Popular in

January

Cheapest in

December

Average price

$378
Provider with most accurate pricing for Portland-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Great Falls flights.
Search Deals
From Oregon to Great Falls
Search Deals
One-way flight from Oregon to Great Falls
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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 February 1, 2026.
Use the filters below to find and compare flights from Oregon to Great Falls that are best for you.

Fly from

Oregon

Fly to

Great Falls

Route

Depart

Return

Price

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Thu 3/12

5:45 am-12:24 pm

1 stop5h 39m

Great Falls

Sun 3/15

6:22 pm-11:54 pm

1 stop6h 32m

$290

MedfordGreat Falls

MFR - GTF

MFRGTF

Medford

Fri 7/10

7:20 pm-6:15 pm

1 stop21h 55m

Great Falls

Tue 7/14

6:55 pm-11:59 pm

1 stop6h 04m

$378

EugeneGreat Falls

EUG - GTF

EUGGTF

Eugene

Thu 6/25

6:00 am-6:15 pm

1 stop11h 15m

Great Falls

Mon 6/29

6:55 pm-12:20 am

1 stop6h 25m

$394

EugeneGreat Falls

EUG - GTF

EUGGTF

Eugene

Thu 6/25

4:40 pm-10:44 pm

1 stop5h 04m

Great Falls

Mon 6/29

6:20 pm-11:46 pm

1 stop6h 26m

$394

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Tue 2/17

8:30 am-4:17 pm

1 stop6h 47m

Great Falls

Mon 2/23

4:57 pm-10:41 pm

1 stop6h 44m

$413

MedfordGreat Falls

MFR - GTF

MFRGTF

Medford

Fri 7/10

6:05 am-5:39 pm

2 stops10h 34m

Great Falls

Tue 7/14

6:20 pm-11:41 pm

1 stop6h 21m

$427

MedfordGreat Falls

MFR - GTF

MFRGTF

Medford

Fri 7/10

6:25 pm-9:19 pm

2 stops25h 54m

Great Falls

Tue 7/14

2:29 pm-12:04 pm

3 stops22h 35m

$622

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Tue 2/17

7:15 am-5:33 pm

2 stops9h 18m

Great Falls

Mon 2/23

1:15 pm-8:55 pm

2 stops8h 40m

$665

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Fri 2/20

8:30 am-4:17 pm

1 stop6h 47m

Great Falls

Tue 2/24

4:57 pm-10:41 pm

1 stop6h 44m

$681

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Fri 2/20

11:35 am-10:29 pm

2 stops9h 54m

Great Falls

Tue 2/24

1:15 pm-8:55 pm

2 stops8h 40m

$1,711

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 20 results
1
2

Best time to book a flight from Oregon to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Oregon 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 Oregon to Great Falls

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

Currently, May is the cheapest month in which you can book a flight from Oregon to Great Falls (average of $205). Flying from Oregon to Great Falls in March is currently the most expensive (average of $342). 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.

Related info for your journey

Find useful and relevant information for your journey from Oregon 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 airport do you fly into for flights to Great Falls from Oregon?

    Located just 3.5 mi from the city center, Great Falls (GTF) is the airport most travelers will use when flying to Great Falls from Oregon.

  • How long is the flight from Oregon to Great Falls?

    Delta and Alaska Airlines can get you from Oregon to Great Falls in just under 5h 39m. Your travel time can differ by up to 16h 16m. The distance from Oregon to Great Falls is about 548 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Oregon to Great Falls?

    While some choose either Medford - Great Falls or Bend/Redmond - Great Falls, Portland - Great Falls is the most popular route from Oregon to Great Falls.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon 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 Oregon to Great Falls?

    Currently, May is the cheapest month in which you can book a flight from Oregon to Great Falls (average of $205). Flying from Oregon to Great Falls in March is currently the most expensive (average of $342). 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?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

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Top 2 airlines flying from Oregon to Great Falls

Discover the top 2 airlines that operate flights from Oregon 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 February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$186Average$374FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$314Average$525FlexibilityNo cancel feeOn-time75%

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