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 September 2025.

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.

$242 Cheap Flights from Great Falls to Portland in 2025

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Find the cheapest flights from Great Falls to Portland

Round-trip

One-way

Cheap round-trip flights

6:50 pm - 12:09 amGTF-PDX

6h 19m1 stop

1:38 pm - 6:10 pmPDX-GTF

3h 32m1 stop

$252Alaska Airlines

Find Deal

Sat, Nov 15 - Tue, Nov 18

1:12 pm - 7:19 pmGTF-PDX

7h 07m2 stops

2:23 pm - 10:44 pmPDX-GTF

7h 21m2 stops

$263Delta

Find Deal

Sat, Nov 15 - Tue, Nov 18

6:50 pm - 12:38 pmGTF-PDX

18h 48m1 stop

7:30 am - 6:10 pmPDX-GTF

9h 40m1 stop

$282Alaska Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

6:50 pm - 6:17 amGTF-PDX

12h 27m1 stop

2:30 pm - 6:10 pmPDX-GTF

26h 40m1 stop

$312Alaska Airlines

Find Deal

Fri, Nov 14 - Mon, Nov 17

6:50 pm - 12:09 amGTF-PDX

6h 19m1 stop

10:55 am - 6:10 pmPDX-GTF

6h 15m2 stops

$320Alaska Airlines

Find Deal

Sat, Nov 15 - Tue, Nov 18

6:50 pm - 11:59 pmGTF-PDX

6h 09m1 stop

1:35 pm - 6:10 pmPDX-GTF

3h 35m1 stop

$366Hawaiian Airlines

Find Deal

Fri, Nov 14 - Sun, Nov 16

6:50 pm - 12:09 amGTF-PDX

6h 19m1 stop

10:30 am - 6:10 pmPDX-GTF

6h 40m1 stop

$389Hawaiian Airlines

Find Deal

Thu, Nov 13 - Sun, Nov 16

6:10 pm - 11:58 pmGTF-PDX

6h 48m1 stop

5:05 pm - 10:44 pmPDX-GTF

4h 39m1 stop

$406Delta

Find Deal

Fri, Nov 14 - Mon, Nov 17

2:30 pm - 9:38 amGTF-PDX

20h 08m1 stop

6:00 am - 1:27 pmPDX-GTF

30h 27m3 stops

$588United Airlines

Find Deal

Fri, Nov 14 - Mon, Nov 17

2:30 pm - 9:38 amGTF-PDX

20h 08m1 stop

6:00 am - 1:33 pmPDX-GTF

30h 33m3 stops

$645United Airlines

Find Deal

Thu, Nov 13 - Sun, Nov 16

Hawaiian Airlines flights from Great Falls to Portland

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

Hawaiian Airlines

Nov 14

GTF6:50 pmGreat Falls

6h 09m

1 stop

PDX11:59 pmPortland

Nov 16

PDX1:35 pmPortland

3h 35m

1 stop

GTF6:10 pmGreat Falls

$366

Find similar

Hawaiian Airlines

Nov 13

GTF6:50 pmGreat Falls

6h 19m

1 stop

PDX12:09 amPortland

Nov 16

PDX10:30 amPortland

6h 40m

1 stop

GTF6:10 pmGreat Falls

$389

Find similar

Alaska Airlines flights from Great Falls to Portland

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

Alaska Airlines

Nov 15

GTF6:50 pmGreat Falls

6h 19m

1 stop

PDX12:09 amPortland

Nov 18

PDX1:38 pmPortland

3h 32m

1 stop

GTF6:10 pmGreat Falls

$252

Find similar

Alaska Airlines

Nov 14

GTF6:50 pmGreat Falls

18h 48m

1 stop

PDX12:38 pmPortland

Nov 18

PDX7:30 amPortland

9h 40m

1 stop

GTF6:10 pmGreat Falls

$282

Find similar

Alaska Airlines

Nov 14

GTF6:50 pmGreat Falls

12h 27m

1 stop

PDX6:17 amPortland

Nov 17

PDX2:30 pmPortland

26h 40m

1 stop

GTF6:10 pmGreat Falls

$312

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sat 11/15

6:50 pm-12:09 am

1 stop6h 19m

Portland

Tue 11/18

1:38 pm-6:10 pm

1 stop3h 32m

$252

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sat 11/15

1:12 pm-7:19 pm

2 stops7h 07m

Portland

Tue 11/18

2:23 pm-10:44 pm

2 stops7h 21m

$263

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 11/14

6:50 pm-12:38 pm

1 stop18h 48m

Portland

Tue 11/18

7:30 am-6:10 pm

1 stop9h 40m

$282

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 11/14

6:50 pm-6:17 am

1 stop12h 27m

Portland

Mon 11/17

2:30 pm-6:10 pm

1 stop26h 40m

$312

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sat 11/15

6:50 pm-12:09 am

1 stop6h 19m

Portland

Tue 11/18

10:55 am-6:10 pm

2 stops6h 15m

$320

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 11/14

6:50 pm-11:59 pm

1 stop6h 09m

Portland

Sun 11/16

1:35 pm-6:10 pm

1 stop3h 35m

$366

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 11/13

6:50 pm-12:09 am

1 stop6h 19m

Portland

Sun 11/16

10:30 am-6:10 pm

1 stop6h 40m

$389

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 11/14

6:10 pm-11:58 pm

1 stop6h 48m

Portland

Mon 11/17

5:05 pm-10:44 pm

1 stop4h 39m

$406

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 11/14

2:30 pm-9:38 am

1 stop20h 08m

Portland

Mon 11/17

6:00 am-1:27 pm

3 stops30h 27m

$588

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 11/13

2:30 pm-9:38 am

1 stop20h 08m

Portland

Sun 11/16

6:00 am-1:33 pm

3 stops30h 33m

$645

Flights are sorted by cheapest round-trip flights first.

Sorted 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

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Thursday when prices can be found for as low as $307. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $541.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $374. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $404 per ticket.

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

Direct flights	None

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 5h 56m.
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 September 2025.
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 67% of the total bookings. Other popular airlines include Alaska Airlines with 33%.

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 $221	Free Cancellation	Rating 8.0 10,000 reviews		Search Alaska Airlines flights
Delta	PriceFrom $264	Free Cancellation	Rating 7.9 7,960 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.