HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$148+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PDX
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Great Falls to Portland with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(Delta)

One-way from

$148
(Delta)

Popular in

January

Cheapest in

May

Average price

$475
Provider with most accurate pricing for Great Falls-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Portland flights.
Search Deals
From Great Falls to Portland
Search Deals
One-way flight from Great Falls to Portland
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 8, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 5/96:07 pmGTF - PDX
1 stop13h 18mAlaska Airlines
Mon 5/1211:35 amPDX - GTF
1 stop4h 52mAlaska Airlines
Deal found 3/7$319
This Delta deal was found by Cheapflights users on 3/7. 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 5/911:45 amGTF - PDX
2 stops10h 07mDelta
Mon 5/125:20 amPDX - GTF
1 stop4h 45mDelta
Deal found 3/7$328
This Hawaiian Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 8/274:00 pmGTF - PDX
1 stop3h 53mHawaiian Airlines
Tue 9/210:40 amPDX - GTF
1 stop3h 40mHawaiian Airlines
Deal found 3/7$342

Find flights from Great Falls to Portland within your budget

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 March 8, 2025.

Fly from

Great Falls

Fly to

Portland

Route

Depart

Return

Price

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 5/9

6:07 pm-6:25 am

1 stop13h 18m

Portland

Mon 5/12

11:35 am-5:27 pm

1 stop4h 52m

$319

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 5/9

11:45 am-8:52 pm

2 stops10h 07m

Portland

Mon 5/12

5:20 am-11:05 am

1 stop4h 45m

$328

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sat 4/12

1:00 pm-4:21 pm

1 stop4h 21m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Compare providers for flights from Great Falls to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Portland in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Great Falls-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Great Falls to Portland

Get recent, data-driven insights about flights from Great Falls to Portland including ideal travel times, pricing trends, and more.

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 $376). 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 March 8, 2025.
Alaska Airlines
8.0
Very good
9,716 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,716 reviews
Alaska Airlines
8.0
Very good
9,716 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,024 reviews
Alaska Airlines
8.0
Very good
9,716 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,649 reviews
Alaska Airlines
8.0
Very good
9,716 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $296, Delta will fly you from Great Falls to Portland and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and United Airlines - these airlines can fly you to your destination from $317 and $643, respectively. Delta is 28% 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 $376). 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
Lincoln City
Beaverton
Seaside
McMinnville
Lake Oswego
Hillsboro
Vancouver
Gresham
Long Beach
Cannon Beach
Tigard
Hood River
Astoria
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview
Wilsonville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Great Falls to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Boise flights
Bozeman to Portland flights
Billings to Portland flights
Kalispell to Portland flights
Billings to Redmond flights
Missoula to Portland flights
Great Falls to Boise flights
Billings to Boise flights
Helena to Portland flights
Bozeman to Medford flights
Missoula to Boise flights
Bozeman to Redmond flights
Kalispell to Boise flights
Helena to Boise flights
Missoula to Eugene flights
Great Falls to Eugene flights
Billings to Medford flights
Missoula to Medford flights
Great Falls to Redmond flights
Bozeman to Eugene flights
Helena to Medford flights
Butte to Portland flights
Helena to Eugene flights
Billings to Eugene flights
Helena to North Bend flights
Butte to Eugene flights
Helena to Redmond flights
Cody to Portland flights
Bozeman to North Bend flights
Missoula to Pendleton flights

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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$397FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$307Average$411FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.