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

Delta 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.

$137 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 $463 to $595. The lowest price recently found on this route was $222.

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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.

4:57 pm - 8:49 am

GTF

PDX

16h 52m1 stop

8:30 am - 4:17 pm

PDX

GTF

6h 47m1 stop

$222Alaska Airlines

Fri, Mar 6 - Tue, Mar 10

4:57 pm - 10:41 pm

GTF

PDX

6h 44m1 stop

8:30 am - 5:48 pm

PDX

GTF

8h 18m1 stop

$232Alaska Airlines

Sun, Feb 15 - Sat, Feb 21

5:59 pm - 9:29 am

GTF

PDX

16h 30m1 stop

9:10 am - 5:19 pm

PDX

GTF

7h 09m1 stop

$234Alaska Airlines

Wed, Feb 4 - Wed, Feb 11

4:57 pm - 10:46 am

GTF

PDX

18h 49m1 stop

8:30 am - 4:17 pm

PDX

GTF

6h 47m1 stop

$244Alaska Airlines

Fri, Mar 6 - Tue, Mar 10

4:57 pm - 4:50 pm

GTF

PDX

24h 53m2 stops

8:30 am - 4:17 pm

PDX

GTF

6h 47m1 stop

$262Alaska Airlines

Fri, Mar 6 - Tue, Mar 10

1:12 pm - 6:50 pm

GTF

PDX

6h 38m2 stops

5:08 pm - 10:30 pm

PDX

GTF

4h 22m1 stop

$280Delta

Wed, Feb 4 - Wed, Feb 11

4:57 pm - 1:43 pm

GTF

PDX

21h 46m2 stops

8:30 am - 5:48 pm

PDX

GTF

8h 18m1 stop

$282Alaska Airlines

Sun, Feb 15 - Sat, Feb 21

6:15 pm - 11:55 pm

GTF

PDX

6h 40m1 stop

5:50 am - 12:32 pm

PDX

GTF

5h 42m1 stop

$284Delta

Sun, Feb 1 - Tue, Feb 3

1:12 pm - 8:59 pm

GTF

PDX

8h 47m2 stops

5:50 am - 12:32 pm

PDX

GTF

5h 42m1 stop

$290Delta

Sun, Feb 1 - Tue, Feb 3

1:12 pm - 8:59 pm

GTF

PDX

8h 47m2 stops

7:10 am - 5:30 pm

PDX

GTF

9h 20m2 stops

$295Delta

Sun, Feb 1 - Tue, Feb 3

Delta flights from Great Falls to Portland

Our best Delta deals on Great Falls to Portland flight tickets

Delta

Feb 4

GTF1:12 pmGreat Falls

6h 38m

2 stops

PDX6:50 pmPortland

Feb 11

PDX5:08 pmPortland

4h 22m

1 stop

GTF10:30 pmGreat Falls

$280

Find similar

Delta

Feb 1

GTF6:15 pmGreat Falls

6h 40m

1 stop

PDX11:55 pmPortland

Feb 3

PDX5:50 amPortland

5h 42m

1 stop

GTF12:32 pmGreat Falls

$284

Find similar

Delta

Feb 1

GTF1:12 pmGreat Falls

8h 47m

2 stops

PDX8:59 pmPortland

Feb 3

PDX5:50 amPortland

5h 42m

1 stop

GTF12:32 pmGreat Falls

$290

Find similar

Alaska Airlines flights from Great Falls to Portland

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

Alaska Airlines

Mar 6

GTF4:57 pmGreat Falls

16h 52m

1 stop

PDX8:49 amPortland

Mar 10

PDX8:30 amPortland

6h 47m

1 stop

GTF4:17 pmGreat Falls

$222

Find similar

Alaska Airlines

Feb 15

GTF4:57 pmGreat Falls

6h 44m

1 stop

PDX10:41 pmPortland

Feb 21

PDX8:30 amPortland

8h 18m

1 stop

GTF5:48 pmGreat Falls

$232

Find similar

Alaska Airlines

Feb 4

GTF5:59 pmGreat Falls

16h 30m

1 stop

PDX9:29 amPortland

Feb 11

PDX9:10 amPortland

7h 09m

1 stop

GTF5:19 pmGreat Falls

$234

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 3/6

4:57 pm-8:49 am

1 stop16h 52m

Portland

Tue 3/10

8:30 am-4:17 pm

1 stop6h 47m

$222

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sun 2/15

4:57 pm-10:41 pm

1 stop6h 44m

Portland

Sat 2/21

8:30 am-5:48 pm

1 stop8h 18m

$232

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 2/4

5:59 pm-9:29 am

1 stop16h 30m

Portland

Wed 2/11

9:10 am-5:19 pm

1 stop7h 09m

$234

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 3/6

4:57 pm-10:46 am

1 stop18h 49m

Portland

Tue 3/10

8:30 am-4:17 pm

1 stop6h 47m

$244

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 3/6

4:57 pm-4:50 pm

2 stops24h 53m

Portland

Tue 3/10

8:30 am-4:17 pm

1 stop6h 47m

$262

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 2/4

1:12 pm-6:50 pm

2 stops6h 38m

Portland

Wed 2/11

5:08 pm-10:30 pm

1 stop4h 22m

$280

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sun 2/15

4:57 pm-1:43 pm

2 stops21h 46m

Portland

Sat 2/21

8:30 am-5:48 pm

1 stop8h 18m

$282

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sun 2/1

6:15 pm-11:55 pm

1 stop6h 40m

Portland

Tue 2/3

5:50 am-12:32 pm

1 stop5h 42m

$284

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sun 2/1

1:12 pm-8:59 pm

2 stops8h 47m

Portland

Tue 2/3

5:50 am-12:32 pm

1 stop5h 42m

$290

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sun 2/1

1:12 pm-8:59 pm

2 stops8h 47m

Portland

Tue 2/3

7:10 am-5:30 pm

2 stops9h 20m

$295

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 39m
Direct flights	None

The fastest flight from Great Falls to Portland takes 4h 39m

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 39m.
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 70% of the total bookings. Other popular airlines include Alaska Airlines with 30%.

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
Delta	PriceFrom $264	Free Cancellation	Rating 7.9 8,017 reviews		Search Delta flights
Alaska Airlines	PriceFrom $381	Free Cancellation	Rating 8.0 11,648 reviews		Search Alaska Airlines 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.