What is the cheapest airline that flies from Great Falls to Portland?

Alaska Airlines is the most popular carrier operating from Great Falls to Portland

When did momondo last update prices for flights from Great Falls Airport to Portland Airport?

Prices for flights from Great Falls Airport to Portland Airport refresh daily.

How many operators does momondo search for flights from Great Falls Airport to Portland Airport?

The number of operators available for flights from Great Falls Airport to Portland Airport is 2 as of January 2026.

How old do you have to be to fly from Great Falls Airport to Portland Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$240 Cheap Flights from Great Falls to Portland in 2026

Q: What is the typical price of a round-trip flight between Great Falls and Portland?

Prices are currently low for flights on this route. Typical prices usually range from $309 to $397. The lowest price recently found on this route was $240.

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Find the cheapest flights from Great Falls to Portland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:15 pm - 6:16 pm

GTF

PDX

6h 01m

1 stop

5:00 pm - 10:29 pm

PDX

GTF

4h 29m

1 stop

$240Delta

Wed, Mar 4 - Fri, Mar 6

1:15 pm - 8:55 pm

GTF

PDX

8h 40m

2 stops

5:00 pm - 10:29 pm

PDX

GTF

4h 29m

1 stop

$246Delta

Wed, Mar 4 - Fri, Mar 6

5:06 pm - 12:35 pm

GTF

PDX

20h 29m

1 stop

1:35 pm - 4:26 pm

PDX

GTF

25h 51m

1 stop

$262Alaska Airlines

Mon, Apr 13 - Fri, Apr 17

6:22 pm - 11:54 pm

GTF

PDX

6h 32m

1 stop

7:05 am - 5:42 pm

PDX

GTF

9h 37m

2 stops

$270Delta

Wed, Apr 8 - Fri, Apr 10

6:28 pm - 10:41 pm

GTF

PDX

5h 13m

1 stop

8:30 am - 4:17 pm

PDX

GTF

6h 47m

1 stop

$284Alaska Airlines

Sat, Feb 21 - Thu, Feb 26

1:05 pm - 6:22 pm

GTF

PDX

6h 17m

1 stop

5:45 am - 12:24 pm

PDX

GTF

5h 39m

1 stop

$287Delta

Sun, Mar 22 - Wed, Mar 25

6:20 pm - 11:53 pm

GTF

PDX

6h 33m

1 stop

5:45 am - 12:30 pm

PDX

GTF

5h 45m

1 stop

$294Delta

Thu, Feb 26 - Sun, Mar 1

1:15 pm - 8:55 pm

GTF

PDX

8h 40m

2 stops

1:27 pm - 10:29 pm

PDX

GTF

8h 02m

2 stops

$298Delta

Wed, Mar 4 - Fri, Mar 6

4:57 pm - 10:41 pm

GTF

PDX

6h 44m

1 stop

8:30 am - 4:17 pm

PDX

GTF

6h 47m

1 stop

$319Alaska Airlines

Fri, Mar 6 - Tue, Mar 10

4:57 pm - 10:41 pm

GTF

PDX

6h 44m

1 stop

8:30 am - 4:17 pm

PDX

GTF

6h 47m

1 stop

$325Alaska Airlines

Fri, Mar 6 - Tue, Mar 10

Delta flights from Great Falls to Portland

Our best Delta deals on Great Falls to Portland flight tickets

Delta

Mar 4

GTF1:15 pmGreat Falls

6h 01m

1 stop

PDX6:16 pmPortland

Mar 6

PDX5:00 pmPortland

4h 29m

1 stop

GTF10:29 pmGreat Falls

$240

Delta

Mar 4

GTF1:15 pmGreat Falls

8h 40m

2 stops

PDX8:55 pmPortland

Mar 6

PDX5:00 pmPortland

4h 29m

1 stop

GTF10:29 pmGreat Falls

$246

Delta

Apr 8

GTF6:22 pmGreat Falls

6h 32m

1 stop

PDX11:54 pmPortland

Apr 10

PDX7:05 amPortland

9h 37m

2 stops

GTF5:42 pmGreat Falls

$270

Alaska Airlines flights from Great Falls to Portland

Our best Alaska Airlines deals on Great Falls to Portland flight tickets

Alaska Airlines

Apr 13

GTF5:06 pmGreat Falls

20h 29m

1 stop

PDX12:35 pmPortland

Apr 17

PDX1:35 pmPortland

25h 51m

1 stop

GTF4:26 pmGreat Falls

$262

Alaska Airlines

Feb 21

GTF6:28 pmGreat Falls

5h 13m

1 stop

PDX10:41 pmPortland

Feb 26

PDX8:30 amPortland

6h 47m

1 stop

GTF4:17 pmGreat Falls

$284

Alaska Airlines

Mar 6

GTF4:57 pmGreat Falls

6h 44m

1 stop

PDX10:41 pmPortland

Mar 10

PDX8:30 amPortland

6h 47m

1 stop

GTF4:17 pmGreat Falls

$319

Fly from

Fly to

Route

Depart

Return

Price

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

1:15 pm-6:16 pm

1 stop6h 01m

Portland

Fri 3/6

5:00 pm-10:29 pm

1 stop4h 29m

$240

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

1:15 pm-8:55 pm

2 stops8h 40m

Portland

Fri 3/6

5:00 pm-10:29 pm

1 stop4h 29m

$246

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Mon 4/13

5:06 pm-12:35 pm

1 stop20h 29m

Portland

Fri 4/17

1:35 pm-4:26 pm

1 stop25h 51m

$262

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 4/8

6:22 pm-11:54 pm

1 stop6h 32m

Portland

Fri 4/10

7:05 am-5:42 pm

2 stops9h 37m

$270

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sat 2/21

6:28 pm-10:41 pm

1 stop5h 13m

Portland

Thu 2/26

8:30 am-4:17 pm

1 stop6h 47m

$284

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sun 3/22

1:05 pm-6:22 pm

1 stop6h 17m

Portland

Wed 3/25

5:45 am-12:24 pm

1 stop5h 39m

$287

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 2/26

6:20 pm-11:53 pm

1 stop6h 33m

Portland

Sun 3/1

5:45 am-12:30 pm

1 stop5h 45m

$294

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

1:15 pm-8:55 pm

2 stops8h 40m

Portland

Fri 3/6

1:27 pm-10:29 pm

2 stops8h 02m

$298

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 3/6

4:57 pm-10:41 pm

1 stop6h 44m

Portland

Tue 3/10

8:30 am-4:17 pm

1 stop6h 47m

$319

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 3/6

4:57 pm-10:41 pm

1 stop6h 44m

Portland

Tue 3/10

8:30 am-4:17 pm

1 stop6h 47m

$325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Great Falls to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Great Falls and Portland?

Can stopping save me money on Great Falls to Portland flights?

You could potentially save up to 49% on your flight if you consider stops on a Great Falls to Portland flight.

When to book flights from Great Falls to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Great Falls to Portland (GTF to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Portland

Fastest flight time	4h 34m
Direct flights	None

The fastest flight from Great Falls to Portland takes 4h 34m

There are no direct flights from Great Falls to Portland. There are no popular flight routes from Great Falls to Portland.

Search flight deals

How far is Great Falls to Portland by plane?
Great Falls and Portland are 556.9 mi apart from one another. A reasonable flight in good conditions will take 4h 34m.
When did momondo last update prices for flights from Great Falls Airport to Portland Airport?
Prices for flights from Great Falls Airport to Portland Airport refresh daily.
How many operators does momondo search for flights from Great Falls Airport to Portland Airport?
The number of operators available for flights from Great Falls Airport to Portland Airport is 2 as of January 2026.
How old do you have to be to fly from Great Falls Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Great Falls to Portland?
Based on momondo bookings for flights between Great Falls and Portland, the leading airline is Delta, making up 62% of the total bookings. Other popular airlines include Alaska Airlines with 38%.

Best airlines flying from Great Falls to Portland

Compare and see reviews for airlines that fly from Great Falls to Portland with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $284	Free Cancellation	Rating 8.0 11,801 reviews		Search Alaska Airlines flights
Delta	PriceFrom $292	Free Cancellation	Rating 7.9 8,122 reviews		Search Delta flights

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Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Great Falls.

Can I find flights from Great Falls to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Great Falls with this policy.

How can momondo help me find flights from Great Falls to Portland?

momondo helps you find the best flight between Great Falls and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Great Falls to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Great Falls and alert you when they change.