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Cheap flights from Great Falls to Portland from $212

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Portland departing on 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Great Falls to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:28 pm - 8:49 amGTF-PDX
15h 21m1 stop
Alaska Airlines Logo
9:19 pm - 5:48 pmPDX-GTF
19h 29m1 stop
$234Alaska Airlines
Find Deal
Wed, Mar 4 - Fri, Mar 6
Alaska Airlines Logo
6:28 pm - 10:41 pmGTF-PDX
5h 13m1 stop
Alaska Airlines Logo
7:33 pm - 5:48 pmPDX-GTF
21h 15m2 stops
$271Alaska Airlines
Find Deal
Wed, Mar 4 - Fri, Mar 6
Hawaiian Airlines Logo
6:28 pm - 10:41 pmGTF-PDX
5h 13m1 stop
Hawaiian Airlines Logo
10:30 am - 4:17 pmPDX-GTF
4h 47m1 stop
$276Hawaiian Airlines
Find Deal
Wed, Mar 4 - Fri, Mar 6
Delta Logo
1:10 pm - 8:55 pmGTF-PDX
8h 45m2 stops
Delta Logo
6:00 am - 12:30 pmPDX-GTF
5h 30m1 stop
$282Delta
Find Deal
Wed, Mar 4 - Fri, Mar 6
Delta Logo
1:10 pm - 8:55 pmGTF-PDX
8h 45m2 stops
Delta Logo
7:35 pm - 12:30 pmPDX-GTF
15h 55m2 stops
$290Delta
Find Deal
Wed, Mar 4 - Fri, Mar 6
Delta Logo
1:10 pm - 8:55 pmGTF-PDX
8h 45m2 stops
Delta Logo
1:27 pm - 10:29 pmPDX-GTF
8h 02m2 stops
$338Delta
Find Deal
Wed, Mar 4 - Fri, Mar 6
Delta Logo
1:10 pm - 8:55 pmGTF-PDX
8h 45m2 stops
Delta Logo
7:35 pm - 12:30 pmPDX-GTF
15h 55m2 stops
$356Delta
Find Deal
Wed, Mar 4 - Fri, Mar 6
Alaska Airlines Logo
7:35 pm - 12:19 amGTF-PDX
5h 44m1 stop
Alaska Airlines Logo
1:34 pm - 6:55 pmPDX-GTF
4h 21m1 stop
$516Alaska Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Delta Logo
6:10 pm - 12:04 amGTF-PDX
6h 54m1 stop
Delta Logo
9:10 am - 5:28 pmPDX-GTF
7h 18m2 stops
$542Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
Delta Logo
5:30 am - 1:13 pmGTF-PDX
8h 43m2 stops
Delta Logo
2:23 pm - 11:22 pmPDX-GTF
7h 59m2 stops
$683Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13

Delta flights from Great Falls to Portland

Our best Delta deals on Great Falls to Portland flight tickets
Delta
Mar 4
GTF1:10 pmGreat Falls
8h 45m
2 stops
PDX8:55 pmPortland
Mar 6
PDX6:00 amPortland
5h 30m
1 stop
GTF12:30 pmGreat Falls
$282
Find similar
Delta
Mar 4
GTF1:10 pmGreat Falls
8h 45m
2 stops
PDX8:55 pmPortland
Mar 6
PDX7:35 pmPortland
15h 55m
2 stops
GTF12:30 pmGreat Falls
$290
Find similar
Delta
Mar 4
GTF1:10 pmGreat Falls
8h 45m
2 stops
PDX8:55 pmPortland
Mar 6
PDX1:27 pmPortland
8h 02m
2 stops
GTF10:29 pmGreat Falls
$338
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 4
GTF6:28 pmGreat Falls
15h 21m
1 stop
PDX8:49 amPortland
Mar 6
PDX9:19 pmPortland
19h 29m
1 stop
GTF5:48 pmGreat Falls
$234
Find similar
Alaska Airlines
Mar 4
GTF6:28 pmGreat Falls
5h 13m
1 stop
PDX10:41 pmPortland
Mar 6
PDX7:33 pmPortland
21h 15m
2 stops
GTF5:48 pmGreat Falls
$271
Find similar
Alaska Airlines
Dec 10
GTF7:35 pmGreat Falls
5h 44m
1 stop
PDX12:19 amPortland
Dec 13
PDX1:34 pmPortland
4h 21m
1 stop
GTF6:55 pmGreat Falls
$516
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated November 26, 2025.
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

Wed 3/4

6:28 pm-8:49 am

1 stop15h 21m

Portland

Fri 3/6

9:19 pm-5:48 pm

1 stop19h 29m

$234

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

6:28 pm-10:41 pm

1 stop5h 13m

Portland

Fri 3/6

7:33 pm-5:48 pm

2 stops21h 15m

$271

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

6:28 pm-10:41 pm

1 stop5h 13m

Portland

Fri 3/6

10:30 am-4:17 pm

1 stop4h 47m

$276

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

1:10 pm-8:55 pm

2 stops8h 45m

Portland

Fri 3/6

6:00 am-12:30 pm

1 stop5h 30m

$282

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

1:10 pm-8:55 pm

2 stops8h 45m

Portland

Fri 3/6

7:35 pm-12:30 pm

2 stops15h 55m

$290

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

1:10 pm-8:55 pm

2 stops8h 45m

Portland

Fri 3/6

1:27 pm-10:29 pm

2 stops8h 02m

$338

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 3/4

1:10 pm-8:55 pm

2 stops8h 45m

Portland

Fri 3/6

7:35 pm-12:30 pm

2 stops15h 55m

$356

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 12/10

7:35 pm-12:19 am

1 stop5h 44m

Portland

Sat 12/13

1:34 pm-6:55 pm

1 stop4h 21m

$516

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 12/10

6:10 pm-12:04 am

1 stop6h 54m

Portland

Sat 12/13

9:10 am-5:28 pm

2 stops7h 18m

$542

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 12/10

5:30 am-1:13 pm

2 stops8h 43m

Portland

Sat 12/13

2:23 pm-11:22 pm

2 stops7h 59m

$683

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Portland from

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

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

Fastest flight time

5h 13m

Direct flights

None
The fastest flight from Great Falls to Portland takes 5h 13m
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 13m.

  • 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?

  • 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?

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 AirlinesPriceFrom $221Free CancellationRating
8.0
11,354 reviews
Search Alaska Airlines flights
DeltaPriceFrom $264Free CancellationRating
7.9
7,998 reviews
Search Delta flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
The Dalles
Pacific City
Tigard
Manzanita
Tillamook

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.

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