How long is the flight from Great Falls to Portland?

A quick flight from Great Falls to Portland can take about 3h 48m. Alaska Airlines provides one of the quickest options available for as low as $194. There are 548 mi between Great Falls and Portland.

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

Currently priced at $221, 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. Check Cheapflights for deals on Delta for as low as $264. Alaska Airlines is 54% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

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

When flying from Great Falls to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Great Falls-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Portland flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$194+ Flights from Great Falls to Portland

Q: How much does it cost to fly round-trip from Great Falls to Portland?

Airfare is below average for this route at the moment. Great Falls to Portland flights typically cost between $467 and $850 in January. The cheapest round-trip price found within the last 3 days was $194 on Alaska Airlines (Jan 17-Jan 21).

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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap 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 dezembro 5, 2025.

qui 12/257:21 pmGTF - PDX

1 stop5h 51mAlaska Airlines

ter 12/303:59 pmPDX - GTF

1 stop25h 42mAlaska Airlines

Deal found 12/4

$379

sex 12/196:10 pmGTF - PDX

1 stop6h 54mDelta

ter 12/2310:03 amPDX - GTF

1 stop6h 35mDelta

Deal found 12/4

$827

Best flights from Great Falls to Portland
Discover carefully curated flight deals from Great Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated dezembro 5, 2025.

sáb 1/175:59 pmGTF - PDX

1 stop3h 48mAlaska Airlines

qua 1/219:10 amPDX - GTF

1 stop7h 09mAlaska Airlines

Deal found 12/2

$194

qua 4/156:20 pmGTF - PDX

1 stop6h 21mDelta

qua 4/291:38 pmPDX - GTF

2 stops8h 06mDelta

Deal found 12/4

$372

qui 12/257:21 pmGTF - PDX

1 stop5h 51mAlaska Airlines

ter 12/303:59 pmPDX - GTF

1 stop25h 42mAlaska Airlines

Deal found 12/4

$379

qua 5/61:10 pmGTF - PDX

2 stops8h 39mDelta

dom 5/1010:15 amPDX - GTF

1 stop6h 24mDelta

Deal found 12/3

$392

Last-minute flights from Great Falls to Portland
Discover last-minute flight deals from Great Falls to Portland. Data last updated dezembro 5, 2025 and is based on user searches.

sex 12/196:10 pmGTF - PDX

1 stop6h 54mDelta

ter 12/2310:03 amPDX - GTF

1 stop6h 35mDelta

Deal found 12/4

$827

qui 12/257:21 pmGTF - PDX

1 stop5h 51mAlaska Airlines

ter 12/303:59 pmPDX - GTF

1 stop25h 42mAlaska Airlines

Deal found 12/4

$379

sáb 1/175:59 pmGTF - PDX

1 stop3h 48mAlaska Airlines

qua 1/217:10 amPDX - GTF

1 stop9h 09mAlaska Airlines

Deal found 12/3

$194

Find flight deals from Great Falls to Portland

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$194 (Alaska Airlines)
Popular in	October
Cheapest in	February
Average price	$578

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

Highest demand for flights based on searches. 8% potential increase in price ($47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

sáb 1/17

5:59 pm-8:47 pm

1 stop3h 48m

Portland

qua 1/21

9:10 am-5:19 pm

1 stop7h 09m

$194

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

qua 4/15

6:20 pm-11:41 pm

1 stop6h 21m

Portland

qua 4/29

1:38 pm-10:44 pm

2 stops8h 06m

$372

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

qui 12/25

7:21 pm-12:12 am

1 stop5h 51m

Portland

ter 12/30

3:59 pm-6:41 pm

1 stop25h 42m

$379

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

qua 5/6

1:10 pm-8:49 pm

2 stops8h 39m

Portland

dom 5/10

10:15 am-5:39 pm

1 stop6h 24m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Compare providers for flights from Great Falls to Portland

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 December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Portland flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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, August is the cheapest month in which you can book a flight from Great Falls to Portland (average of $143). Flying from Great Falls to Portland in April is currently the most expensive (average of $425). 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.

How much does it cost to fly round-trip from Great Falls to Portland?

Reviews of airlines servicing Portland

Read reviews from past customers who have flown Alaska Airlines and Delta 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

11,400 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

11,400 reviews

Alaska Airlines

8.0

Very good

11,400 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Delta

7.9

Good

8,008 reviews

Alaska Airlines

8.0

Very good

11,400 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

How long is the flight from Great Falls to Portland?
A quick flight from Great Falls to Portland can take about 3h 48m. Alaska Airlines provides one of the quickest options available for as low as $194. There are 548 mi between Great Falls and Portland.
What are the cheapest airlines flying from Great Falls to Portland round-trip?
Currently priced at $221, 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. Check Cheapflights for deals on Delta for as low as $264. Alaska Airlines is 54% 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, August is the cheapest month in which you can book a flight from Great Falls to Portland (average of $143). Flying from Great Falls to Portland in April is currently the most expensive (average of $425). 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

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Other flights to Portland

Top 2 airlines flying from Great Falls to Portland

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$221	Average$610	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$264	Average$397	FlexibilityNo cancel fee	On-timeN/A

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$194+ Cheap flights from Great Falls to Portland (GTF - PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Great Falls to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Great Falls to Portland

Cheapest flights from Great Falls to PortlandExplore 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 dezembro 5, 2025.

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 dezembro 5, 2025.

Find flight deals from Great Falls to Portland

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to Portland that are best for you.

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 December.

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.

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?

How much does it cost to fly round-trip from Great Falls to Portland?

Reviews of airlines servicing Portland

Read reviews from past customers who have flown Alaska Airlines and Delta 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.

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.

How long is the flight from Great Falls to Portland?

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

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

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

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

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

Traveling to a place near Portland?

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Alternative routes for Great Falls to Portland

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Top 2 airlines flying from Great Falls to Portland

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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 dezembro 5, 2025.