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Cheap flights from Great Falls to Portland from $130

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 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:35 pm - 12:42 pmGTF-PDX
18h 07m1 stop
Alaska Airlines Logo
9:37 am - 6:55 pmPDX-GTF
8h 18m1 stop
$194Alaska Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Alaska Airlines Logo
6:50 pm - 12:38 pmGTF-PDX
18h 48m1 stop
Alaska Airlines Logo
8:45 pm - 6:10 pmPDX-GTF
20h 25m1 stop
$204Alaska Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Multiple Airlines Logo
9:22 pm - 11:56 amGTF-PDX
15h 34m2 stops
Multiple Airlines Logo
10:06 am - 2:02 pmPDX-GTF
26h 56m1 stop
$242Multiple Airlines
Find Deal
Mon, Nov 17 - Tue, Nov 25
Alaska Airlines Logo
7:35 pm - 5:55 pmGTF-PDX
23h 20m1 stop
Alaska Airlines Logo
10:38 am - 6:55 pmPDX-GTF
7h 17m2 stops
$252Alaska Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Alaska Airlines Logo
6:50 pm - 4:42 pmGTF-PDX
22h 52m2 stops
Alaska Airlines Logo
8:45 pm - 6:10 pmPDX-GTF
20h 25m1 stop
$262Alaska Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Alaska Airlines Logo
6:50 pm - 10:32 amGTF-PDX
16h 42m1 stop
Alaska Airlines Logo
10:30 pm - 7:02 pmPDX-GTF
19h 32m1 stop
$329Alaska Airlines
Find Deal
Mon, Nov 17 - Tue, Nov 25
Alaska Airlines Logo
7:42 pm - 11:02 amGTF-PDX
16h 20m1 stop
Alaska Airlines Logo
1:24 pm - 7:02 pmPDX-GTF
4h 38m1 stop
$359Alaska Airlines
Find Deal
Sun, Nov 23 - Fri, Nov 28
Hawaiian Airlines Logo
4:00 pm - 6:48 pmGTF-PDX
3h 48m1 stop
Hawaiian Airlines Logo
9:40 am - 3:20 pmPDX-GTF
4h 40m1 stop
$406Hawaiian Airlines
Find Deal
Mon, Mar 23 - Fri, Mar 27
Delta Logo
6:15 pm - 11:54 pmGTF-PDX
6h 39m1 stop
Delta Logo
7:10 am - 5:44 pmPDX-GTF
9h 34m2 stops
$412Delta
Find Deal
Mon, Mar 23 - Fri, Mar 27
Delta Logo
6:15 pm - 11:54 pmGTF-PDX
6h 39m1 stop
Delta Logo
7:45 pm - 5:44 pmPDX-GTF
20h 59m2 stops
$470Delta
Find Deal
Mon, Mar 23 - Fri, Mar 27

Alaska Airlines flights from Great Falls to Portland

Our best Alaska Airlines deals on Great Falls to Portland flight tickets
Alaska Airlines
Dec 10
GTF7:35 pmGreat Falls
18h 07m
1 stop
PDX12:42 pmPortland
Dec 13
PDX9:37 amPortland
8h 18m
1 stop
GTF6:55 pmGreat Falls
$194
Find similar
Alaska Airlines
Nov 14
GTF6:50 pmGreat Falls
18h 48m
1 stop
PDX12:38 pmPortland
Nov 17
PDX8:45 pmPortland
20h 25m
1 stop
GTF6:10 pmGreat Falls
$204
Find similar
Alaska Airlines
Dec 10
GTF7:35 pmGreat Falls
23h 20m
1 stop
PDX5:55 pmPortland
Dec 13
PDX10:38 amPortland
7h 17m
2 stops
GTF6:55 pmGreat Falls
$252
Find similar

Delta flights from Great Falls to Portland

Our best Delta deals on Great Falls to Portland flight tickets
Delta
Mar 23
GTF6:15 pmGreat Falls
6h 39m
1 stop
PDX11:54 pmPortland
Mar 27
PDX7:10 amPortland
9h 34m
2 stops
GTF5:44 pmGreat Falls
$412
Find similar
Delta
Mar 23
GTF6:15 pmGreat Falls
6h 39m
1 stop
PDX11:54 pmPortland
Mar 27
PDX7:45 pmPortland
20h 59m
2 stops
GTF5:44 pmGreat Falls
$470
Find similar
Delta
Dec 10
GTF1:12 pmGreat Falls
6h 38m
2 stops
PDX6:50 pmPortland
Dec 13
PDX5:30 amPortland
10h 58m
2 stops
GTF5:28 pmGreat Falls
$476
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 October 14, 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 12/10

7:35 pm-12:42 pm

1 stop18h 07m

Portland

Sat 12/13

9:37 am-6:55 pm

1 stop8h 18m

$194

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 11/14

6:50 pm-12:38 pm

1 stop18h 48m

Portland

Mon 11/17

8:45 pm-6:10 pm

1 stop20h 25m

$204

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Mon 11/17

9:22 pm-11:56 am

2 stops15h 34m

Portland

Tue 11/25

10:06 am-2:02 pm

1 stop26h 56m

$242

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 12/10

7:35 pm-5:55 pm

1 stop23h 20m

Portland

Sat 12/13

10:38 am-6:55 pm

2 stops7h 17m

$252

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 11/14

6:50 pm-4:42 pm

2 stops22h 52m

Portland

Mon 11/17

8:45 pm-6:10 pm

1 stop20h 25m

$262

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Mon 11/17

6:50 pm-10:32 am

1 stop16h 42m

Portland

Tue 11/25

10:30 pm-7:02 pm

1 stop19h 32m

$329

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sun 11/23

7:42 pm-11:02 am

1 stop16h 20m

Portland

Fri 11/28

1:24 pm-7:02 pm

1 stop4h 38m

$359

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Mon 3/23

4:00 pm-6:48 pm

1 stop3h 48m

Portland

Fri 3/27

9:40 am-3:20 pm

1 stop4h 40m

$406

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Mon 3/23

6:15 pm-11:54 pm

1 stop6h 39m

Portland

Fri 3/27

7:10 am-5:44 pm

2 stops9h 34m

$412

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Mon 3/23

6:15 pm-11:54 pm

1 stop6h 39m

Portland

Fri 3/27

7:45 pm-5:44 pm

2 stops20h 59m

$470

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 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 3h 48m.

  • 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
11,069 reviews
Search Alaska Airlines flights
DeltaPriceFrom $264Free CancellationRating
7.9
7,973 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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