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Cheap flights from Great Falls to Portland from $195

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 8/25. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:15 pm - 9:47 am
GTF
-
PDX
17h 32m
1 stop
Alaska Airlines Logo
9:31 am - 4:35 pm
PDX
-
GTF
6h 04m
1 stop
$332Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
4:55 pm - 12:22 pm
GTF
-
PDX
20h 27m
1 stop
Alaska Airlines Logo
11:57 am - 4:13 pm
PDX
-
GTF
3h 16m
1 stop
$332Alaska Airlines
Wed, Dec 2 - Wed, Dec 9
Alaska Airlines Logo
4:55 pm - 10:50 am
GTF
-
PDX
18h 55m
1 stop
Alaska Airlines Logo
9:40 am - 4:13 pm
PDX
-
GTF
5h 33m
1 stop
$332Alaska Airlines
Wed, Dec 2 - Sat, Dec 12
Alaska Airlines Logo
4:55 pm - 10:50 am
GTF
-
PDX
18h 55m
1 stop
Alaska Airlines Logo
9:59 pm - 4:13 pm
PDX
-
GTF
17h 14m
1 stop
$332Alaska Airlines
Wed, Dec 2 - Fri, Dec 11
Delta Logo
1:13 pm - 9:56 pm
GTF
-
PDX
9h 43m
2 stops
Delta Logo
7:33 pm - 12:31 pm
PDX
-
GTF
15h 58m
2 stops
$333Delta
Wed, Dec 2 - Fri, Dec 11
Delta Logo
1:13 pm - 9:56 pm
GTF
-
PDX
9h 43m
2 stops
Delta Logo
7:00 am - 5:41 pm
PDX
-
GTF
9h 41m
2 stops
$333Delta
Tue, Dec 1 - Sat, Dec 12
Delta Logo
1:13 pm - 9:56 pm
GTF
-
PDX
9h 43m
2 stops
Delta Logo
7:00 am - 5:41 pm
PDX
-
GTF
9h 41m
2 stops
$333Delta
Tue, Dec 1 - Wed, Dec 9
Multiple Airlines Logo
10:19 am - 4:54 pm
GTF
-
PDX
7h 35m
1 stop
Multiple Airlines Logo
6:49 pm - 9:29 am
PDX
-
GTF
13h 40m
1 stop
$572Multiple Airlines
Fri, Aug 14 - Sun, Aug 16
Multiple Airlines Logo
10:19 am - 4:54 pm
GTF
-
PDX
7h 35m
1 stop
Multiple Airlines Logo
6:49 pm - 9:29 am
PDX
-
GTF
13h 40m
1 stop
$574Multiple Airlines
Fri, Aug 14 - Sun, Aug 16
Multiple Airlines Logo
10:19 am - 11:35 am
GTF
-
PDX
26h 16m
2 stops
Multiple Airlines Logo
6:49 pm - 9:29 am
PDX
-
GTF
13h 40m
1 stop
$578Multiple Airlines
Fri, Aug 14 - Sun, Aug 16

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Alaska Airlines flights from Great Falls to Portland

Our best Alaska Airlines deals on Great Falls to Portland flight tickets
Alaska Airlines
Dec 2
GTF4:55 pmGreat Falls
20h 27m
1 stop
PDX12:22 pmPortland
Dec 9
PDX11:57 amPortland
3h 16m
1 stop
GTF4:13 pmGreat Falls
$332
Alaska Airlines
Dec 3
GTF4:55 pmGreat Falls
17h 00m
1 stop
PDX8:55 amPortland
Dec 11
PDX1:50 pmPortland
25h 23m
1 stop
GTF4:13 pmGreat Falls
$342
Alaska Airlines
Dec 2
GTF4:55 pmGreat Falls
17h 51m
2 stops
PDX9:46 amPortland
Dec 9
PDX5:00 amPortland
10h 13m
1 stop
GTF4:13 pmGreat Falls
$361

Delta flights from Great Falls to Portland

Our best Delta deals on Great Falls to Portland flight tickets
Delta
Dec 1
GTF1:13 pmGreat Falls
9h 43m
2 stops
PDX9:56 pmPortland
Dec 12
PDX7:00 amPortland
9h 41m
2 stops
GTF5:41 pmGreat Falls
$333
Delta
Dec 3
GTF1:13 pmGreat Falls
9h 43m
2 stops
PDX9:56 pmPortland
Dec 9
PDX7:00 amPortland
9h 41m
2 stops
GTF5:41 pmGreat Falls
$343
Delta
Dec 3
GTF1:13 pmGreat Falls
6h 40m
2 stops
PDX6:53 pmPortland
Dec 10
PDX5:30 amPortland
11h 11m
2 stops
GTF5:41 pmGreat Falls
$353

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 July 30, 2026.
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

Cheapest round-trip

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 10/20

5:15 pm-9:47 am

1 stop17h 32m

Portland

Sat 10/24

9:31 am-4:35 pm

1 stop6h 04m

$332

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 12/2

4:55 pm-12:22 pm

1 stop20h 27m

Portland

Wed 12/9

11:57 am-4:13 pm

1 stop3h 16m

$332

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 12/2

4:55 pm-10:50 am

1 stop18h 55m

Portland

Sat 12/12

9:40 am-4:13 pm

1 stop5h 33m

$332

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 12/2

4:55 pm-10:50 am

1 stop18h 55m

Portland

Fri 12/11

9:59 pm-4:13 pm

1 stop17h 14m

$332

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Wed 12/2

1:13 pm-9:56 pm

2 stops9h 43m

Portland

Fri 12/11

7:33 pm-12:31 pm

2 stops15h 58m

$333
Quickest round-trip

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 12/1

1:13 pm-9:56 pm

2 stops9h 43m

Portland

Sat 12/12

7:00 am-5:41 pm

2 stops9h 41m

$333

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 12/1

1:13 pm-9:56 pm

2 stops9h 43m

Portland

Wed 12/9

7:00 am-5:41 pm

2 stops9h 41m

$333

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 8/14

10:19 am-4:54 pm

1 stop7h 35m

Portland

Sun 8/16

6:49 pm-9:29 am

1 stop13h 40m

$572

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 8/14

10:19 am-4:54 pm

1 stop7h 35m

Portland

Sun 8/16

6:49 pm-9:29 am

1 stop13h 40m

$574

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 8/14

10:19 am-11:35 am

2 stops26h 16m

Portland

Sun 8/16

6:49 pm-9:29 am

1 stop13h 40m

$578

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $468 to $515.
The lowest price recently found on this route was $332.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Great Falls is in March. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in March, then you should wait until May to fly from Great Falls, when ticket prices are also cheap, with an average price of $284.

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

You could potentially save up to 40% 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

3h 57m

Direct flights

None
The fastest flight from Great Falls to Portland takes 3h 57m
There are no direct flights from Great Falls to Portland. There are no popular flight routes from Great Falls to Portland.
Search flight deals

Frequently asked questions about flying from Great Falls to Portland

  • 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 57m.

  • 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
DeltaPriceFrom $222Free CancellationRating
7.8
8,487 reviews
Search Delta flights
Alaska AirlinesPriceFrom $222Free CancellationRating
7.9
12,738 reviews
Search Alaska Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Depoe Bay
Tigard
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
Kelso
Wilsonville

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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