Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Great Falls to Portland from $192

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 8/21. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Great Falls to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:25 pm - 11:54 pm
GTF
-
PDX
6h 29m
2 stops
Delta Logo
5:14 pm - 10:37 pm
PDX
-
GTF
4h 23m
1 stop
$410Delta
Tue, Jul 14 - Tue, Jul 21
Delta Logo
5:40 am - 8:39 am
GTF
-
PDX
3h 59m
1 stop
Delta Logo
5:14 pm - 10:37 pm
PDX
-
GTF
4h 23m
1 stop
$424Delta
Thu, Jul 2 - Wed, Jul 8
Delta Logo
6:22 pm - 10:38 pm
GTF
-
PDX
5h 16m
1 stop
Delta Logo
7:05 am - 5:42 pm
PDX
-
GTF
9h 37m
2 stops
$430Delta
Sat, Aug 8 - Tue, Aug 11
Alaska Airlines Logo
5:09 pm - 10:25 pm
GTF
-
PDX
6h 16m
1 stop
Alaska Airlines Logo
12:03 pm - 4:29 pm
PDX
-
GTF
3h 26m
1 stop
$444Alaska Airlines
Fri, Aug 7 - Mon, Aug 10
Delta Logo
1:17 pm - 10:00 pm
GTF
-
PDX
9h 43m
2 stops
Delta Logo
5:14 pm - 10:37 pm
PDX
-
GTF
4h 23m
1 stop
$462Delta
Tue, Jul 14 - Tue, Jul 21
Alaska Airlines Logo
5:09 pm - 10:25 pm
GTF
-
PDX
6h 16m
1 stop
Alaska Airlines Logo
9:19 am - 4:29 pm
PDX
-
GTF
6h 10m
1 stop
$489Alaska Airlines
Thu, Jul 2 - Wed, Jul 8
Alaska Airlines Logo
5:09 pm - 10:25 pm
GTF
-
PDX
6h 16m
1 stop
Alaska Airlines Logo
9:19 am - 4:29 pm
PDX
-
GTF
6h 10m
1 stop
$497Alaska Airlines
Fri, Jul 10 - Tue, Jul 14
Alaska Airlines Logo
5:09 pm - 6:14 am
GTF
-
PDX
14h 05m
2 stops
Alaska Airlines Logo
7:19 am - 4:29 pm
PDX
-
GTF
8h 10m
1 stop
$500Alaska Airlines
Fri, Aug 7 - Mon, Aug 10
Delta Logo
6:25 pm - 11:44 pm
GTF
-
PDX
6h 19m
1 stop
Delta Logo
5:14 pm - 10:37 pm
PDX
-
GTF
4h 23m
1 stop
$508Delta
Tue, Jul 14 - Tue, Jul 21
Multiple Airlines Logo
9:10 pm - 4:26 pm
GTF
-
PDX
20h 16m
2 stops
Multiple Airlines Logo
6:49 pm - 9:29 am
PDX
-
GTF
13h 40m
1 stop
$513Multiple Airlines
Thu, Jul 23 - Sun, Jul 26

Delta flights from Great Falls to Portland

Our best Delta deals on Great Falls to Portland flight tickets
Delta
Jul 14
GTF6:25 pmGreat Falls
6h 29m
2 stops
PDX11:54 pmPortland
Jul 21
PDX5:14 pmPortland
4h 23m
1 stop
GTF10:37 pmGreat Falls
$410
Delta
Jul 2
GTF5:40 amGreat Falls
3h 59m
1 stop
PDX8:39 amPortland
Jul 8
PDX5:14 pmPortland
4h 23m
1 stop
GTF10:37 pmGreat Falls
$424
Delta
Aug 8
GTF6:22 pmGreat Falls
5h 16m
1 stop
PDX10:38 pmPortland
Aug 11
PDX7:05 amPortland
9h 37m
2 stops
GTF5:42 pmGreat Falls
$430

Alaska Airlines flights from Great Falls to Portland

Our best Alaska Airlines deals on Great Falls to Portland flight tickets
Alaska Airlines
Aug 7
GTF5:09 pmGreat Falls
6h 16m
1 stop
PDX10:25 pmPortland
Aug 10
PDX12:03 pmPortland
3h 26m
1 stop
GTF4:29 pmGreat Falls
$444
Alaska Airlines
Jul 2
GTF5:09 pmGreat Falls
6h 16m
1 stop
PDX10:25 pmPortland
Jul 8
PDX9:19 amPortland
6h 10m
1 stop
GTF4:29 pmGreat Falls
$489
Alaska Airlines
Jul 10
GTF5:09 pmGreat Falls
6h 16m
1 stop
PDX10:25 pmPortland
Jul 14
PDX9:19 amPortland
6h 10m
1 stop
GTF4:29 pmGreat Falls
$497

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 May 27, 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 7/14

6:25 pm-11:54 pm

2 stops6h 29m

Portland

Tue 7/21

5:14 pm-10:37 pm

1 stop4h 23m

$410
Quickest round-trip

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 7/2

5:40 am-8:39 am

1 stop3h 59m

Portland

Wed 7/8

5:14 pm-10:37 pm

1 stop4h 23m

$424

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Sat 8/8

6:22 pm-10:38 pm

1 stop5h 16m

Portland

Tue 8/11

7:05 am-5:42 pm

2 stops9h 37m

$430

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 8/7

5:09 pm-10:25 pm

1 stop6h 16m

Portland

Mon 8/10

12:03 pm-4:29 pm

1 stop3h 26m

$444

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 7/14

1:17 pm-10:00 pm

2 stops9h 43m

Portland

Tue 7/21

5:14 pm-10:37 pm

1 stop4h 23m

$462

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 7/2

5:09 pm-10:25 pm

1 stop6h 16m

Portland

Wed 7/8

9:19 am-4:29 pm

1 stop6h 10m

$489

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 7/10

5:09 pm-10:25 pm

1 stop6h 16m

Portland

Tue 7/14

9:19 am-4:29 pm

1 stop6h 10m

$497

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Fri 8/7

5:09 pm-6:14 am

2 stops14h 05m

Portland

Mon 8/10

7:19 am-4:29 pm

1 stop8h 10m

$500

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Tue 7/14

6:25 pm-11:44 pm

1 stop6h 19m

Portland

Tue 7/21

5:14 pm-10:37 pm

1 stop4h 23m

$508

Great FallsPortland

GTF - PDX

GTFPDX

Great Falls

Thu 7/23

9:10 pm-4:26 pm

2 stops20h 16m

Portland

Sun 7/26

6:49 pm-9:29 am

1 stop13h 40m

$513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $253.

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

You could potentially save up to 16% 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

6h 16m

Direct flights

None
The fastest flight from Great Falls to Portland takes 6h 16m
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 6h 16m.

  • 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 $222Free CancellationRating
7.9
12,419 reviews
Search Alaska Airlines flights
DeltaPriceFrom $273Free CancellationRating
7.9
8,425 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
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Hood River
Longview
Troutdale
Newberg
The Dalles
McMinnville
Gresham
Clackamas

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.

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/26
Fri 7/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States