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$233+ Cheap flights from Great Falls to Portland (GTF - PDX)

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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PDX
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Great Falls to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Portland (PDX). 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 1, 2025.

Round-trip from

$262
(Alaska Airlines)

One-way from

$233
(Delta)

Popular in

January

Cheapest in

October

Average price

$395
From Great Falls to Portland
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One-way flight from Great Falls to Portland
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Highest demand for flights based on searches. 16% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Great Falls to Portland

Cheapest flights from Great Falls to Portland
Explore the most affordable flight options available from Great Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 8/274:29 pmGTF - PDX
1 stop8h 30mAlaska Airlines
Tue 9/22:32 pmPDX - GTF
1 stop24h 17mAlaska Airlines
Deal found 6/30$262
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 8/275:45 amGTF - PDX
2 stops5h 49mDelta
Tue 9/25:05 pmPDX - GTF
1 stop4h 40mDelta
Deal found 6/30$306
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:25 amGTF - PDX
1 stop16h 51mUnited Airlines
Tue 7/228:50 amPDX - GTF
1 stop11h 23mUnited Airlines
Deal found 7/1$655
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/104:55 pmGTF - PDX
1 stop4h 13mHawaiian Airlines
Sun 7/1311:57 amPDX - GTF
1 stop3h 16mHawaiian Airlines
Deal found 7/1$747
This United deal was found by Cheapflights users on 6/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/12:35 pmGTF - PDX
1 stop7h 15mMultiple Airlines
Tue 7/111:59 pmPDX - GTF
2 stops12h 37mMultiple Airlines
Deal found 6/30$1,699

Cheapflights Fare Finder

Customize your flight search to find flights from Great Falls to Portland 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 1, 2025.
Use the filters below to find and compare flights from Great Falls to Portland that are best for you.

Fly from

Great Falls

Fly to

Portland

Route

Depart

Return

Price

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 8/27

4:29 pm-11:59 pm

1 stop8h 30m

Portland

Tue 9/2

2:32 pm-3:49 pm

1 stop24h 17m

$262

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 8/27

5:45 am-10:34 am

2 stops5h 49m

Portland

Tue 9/2

5:05 pm-10:45 pm

1 stop4h 40m

$306

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 7/15

6:25 am-10:16 pm

1 stop16h 51m

Portland

Tue 7/22

8:50 am-9:13 pm

1 stop11h 23m

$655

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 7/17

5:45 am-8:52 am

1 stop4h 07m

$233

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 7/17

4:55 pm-9:24 am

2 stops17h 29m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Great Falls to Portland

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

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

Currently, November is the cheapest month in which you can book a flight from Great Falls to Portland (average of $277). Flying from Great Falls to Portland in March is currently the most expensive (average of $368). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated July 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Great Falls to Portland. 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

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

    Currently priced at $262, Alaska Airlines will fly you from Great Falls to Portland and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $306 and $655, respectively. Alaska Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Great Falls to Portland (average of $277). Flying from Great Falls to Portland in March is currently the most expensive (average of $368). 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
Seaside
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale
Gresham

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Top 2 airlines flying from Great Falls to Portland

Discover the top 2 airlines that operate flights from Great Falls to Portland. 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$221Average$610FlexibilityNo cancel feeOn-time75%
DeltaCheapest$264Average$397FlexibilityNo cancel feeOn-timeN/A

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