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

Alaska Airlines and Delta are the most popular carriers operating from Oregon to Great Falls

How long does it take to fly to Great Falls?

Flight times from Oregon to Great Falls vary, but if you’re flying out of Portland and flying into Great Falls (one of the most popular routes), then the duration is 5h 27m on average. Another popular route from Oregon to Great Falls is flying from Eugene to Great Falls, which will take roughly 6h 19m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Oregon to Great Falls Airport?

Prices for flights from Oregon to Great Falls Airport are updated daily.

How many operators does momondo search for flights from Oregon to Great Falls Airport?

As of November 2026, there are 2 operators available to choose from for flights from Oregon to Great Falls Airport.

How old do you have to be to fly from Oregon to Great Falls Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$248 Cheap Flights from Oregon to Great Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 5:39 pmPDX Portland-GTF Great Falls

9h 39m2 stops Seattle/Tacoma Intl Salt Lake City

5:35 am - 1:35 pmGTF Great Falls-PDX Portland

9h 00m2 stops Salt Lake City Seattle/Tacoma Intl

$403Delta

Thu, Dec 10 - Sun, Dec 13

5:20 am - 12:39 pmEUG Eugene-GTF Great Falls

6h 19m1 stop Salt Lake City

1:19 pm - 11:59 pmGTF Great Falls-EUG Eugene

11h 40m2 stops Salt Lake City Seattle/Tacoma Intl

$429Delta

Tue, Dec 8 - Mon, Dec 14

6:00 am - 3:28 pmEUG Eugene-GTF Great Falls

8h 28m1 stop Seattle/Tacoma Intl

4:08 pm - 9:06 pmGTF Great Falls-EUG Eugene

5h 58m1 stop Seattle/Tacoma Intl

$432Alaska Airlines

Sat, Jan 23 - Wed, Jan 27

8:36 am - 3:28 pmEUG Eugene-GTF Great Falls

5h 52m1 stop Seattle/Tacoma Intl

4:08 pm - 9:06 pmGTF Great Falls-EUG Eugene

5h 58m1 stop Seattle/Tacoma Intl

$434Alaska Airlines

Sat, Jan 16 - Fri, Jan 22

6:59 pm - 4:11 pmEUG Eugene-GTF Great Falls

20h 12m1 stop Seattle/Tacoma Intl

4:51 pm - 3:00 pmGTF Great Falls-EUG Eugene

23h 09m1 stop Seattle/Tacoma Intl

$437Alaska Airlines

Tue, Dec 8 - Mon, Dec 14

6:02 am - 3:28 pmRDM Bend/Redmond-GTF Great Falls

8h 26m1 stop Seattle/Tacoma Intl

4:08 pm - 11:58 pmGTF Great Falls-RDM Bend/Redmond

8h 50m1 stop Seattle/Tacoma Intl

$442Alaska Airlines

Tue, Jan 12 - Sat, Jan 16

9:23 am - 5:39 pmPDX Portland-GTF Great Falls

7h 16m2 stops Seattle/Tacoma Intl Salt Lake City

1:19 pm - 4:37 pmGTF Great Falls-PDX Portland

4h 18m1 stop Salt Lake City

$484Delta

Thu, Dec 10 - Sun, Dec 13

6:25 am - 5:47 pmEUG Eugene-GTF Great Falls

10h 22m2 stops Seattle/Tacoma Intl Salt Lake City

5:30 am - 12:57 pmGTF Great Falls-EUG Eugene

8h 27m2 stops Salt Lake City Seattle/Tacoma Intl

$511Delta

Sun, Feb 7 - Sun, Feb 14

5:45 am - 12:39 pmPDX Portland-GTF Great Falls

5h 54m1 stop Salt Lake City

6:19 pm - 11:59 pmGTF Great Falls-PDX Portland

6h 40m1 stop Salt Lake City

$684Delta

Fri, Dec 4 - Fri, Dec 4

3:40 pm - 1:49 pmPDX Portland-GTF Great Falls

21h 09m2 stops San Francisco Denver Intl

2:45 pm - 12:22 pmGTF Great Falls-PDX Portland

22h 37m2 stops Denver Intl San Francisco

$1,329United Airlines

Sun, Nov 22 - Sun, Nov 29

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Delta flights from Oregon to Great Falls

Our best Delta deals on Oregon to Great Falls flight tickets

Delta

Dec 10

PDX7:00 amPortland

9h 39m

2 stops

GTF5:39 pmGreat Falls

Dec 13

GTF5:35 amGreat Falls

9h 00m

2 stops

PDX1:35 pmPortland

$403

Delta

Dec 8

EUG5:20 amEugene

6h 19m

1 stop

GTF12:39 pmGreat Falls

Dec 14

GTF1:19 pmGreat Falls

11h 40m

2 stops

EUG11:59 pmEugene

$429

Delta

Dec 10

PDX9:23 amPortland

7h 16m

2 stops

GTF5:39 pmGreat Falls

Dec 13

GTF1:19 pmGreat Falls

4h 18m

1 stop

PDX4:37 pmPortland

$484

Alaska Airlines flights from Oregon to Great Falls

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

Alaska Airlines

Jan 23

EUG6:00 amEugene

8h 28m

1 stop

GTF3:28 pmGreat Falls

Jan 27

GTF4:08 pmGreat Falls

5h 58m

1 stop

EUG9:06 pmEugene

$432

Alaska Airlines

Jan 16

EUG8:36 amEugene

5h 52m

1 stop

GTF3:28 pmGreat Falls

Jan 22

GTF4:08 pmGreat Falls

5h 58m

1 stop

EUG9:06 pmEugene

$434

Alaska Airlines

Dec 8

EUG6:59 pmEugene

20h 12m

1 stop

GTF4:11 pmGreat Falls

Dec 14

GTF4:51 pmGreat Falls

23h 09m

1 stop

EUG3:00 pmEugene

$437

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandGreat Falls

PDX Portland - GTF Great Falls

PDXGTF

Portland

Thu 12/10

7:00 am-5:39 pm

2 stops9h 39m

Great Falls

Sun 12/13

5:35 am-1:35 pm

2 stops9h 00m

$403

EugeneGreat Falls

EUG Eugene - GTF Great Falls

EUGGTF

Eugene

Tue 12/8

5:20 am-12:39 pm

1 stop6h 19m

Great Falls

Mon 12/14

1:19 pm-11:59 pm

2 stops11h 40m

$429

EugeneGreat Falls

EUG Eugene - GTF Great Falls

EUGGTF

Eugene

Sat 1/23

6:00 am-3:28 pm

1 stop8h 28m

Great Falls

Wed 1/27

4:08 pm-9:06 pm

1 stop5h 58m

$432

EugeneGreat Falls

EUG Eugene - GTF Great Falls

EUGGTF

Eugene

Sat 1/16

8:36 am-3:28 pm

1 stop5h 52m

Great Falls

Fri 1/22

4:08 pm-9:06 pm

1 stop5h 58m

$434

EugeneGreat Falls

EUG Eugene - GTF Great Falls

EUGGTF

Eugene

Tue 12/8

6:59 pm-4:11 pm

1 stop20h 12m

Great Falls

Mon 12/14

4:51 pm-3:00 pm

1 stop23h 09m

$437

RedmondGreat Falls

RDM Bend/Redmond - GTF Great Falls

RDMGTF

Bend/Redmond

Tue 1/12

6:02 am-3:28 pm

1 stop8h 26m

Great Falls

Sat 1/16

4:08 pm-11:58 pm

1 stop8h 50m

$442

Quickest round-trip

PortlandGreat Falls

PDX Portland - GTF Great Falls

PDXGTF

Portland

Thu 12/10

9:23 am-5:39 pm

2 stops7h 16m

Great Falls

Sun 12/13

1:19 pm-4:37 pm

1 stop4h 18m

$484

EugeneGreat Falls

EUG Eugene - GTF Great Falls

EUGGTF

Eugene

Sun 2/7

6:25 am-5:47 pm

2 stops10h 22m

Great Falls

Sun 2/14

5:30 am-12:57 pm

2 stops8h 27m

$511

PortlandGreat Falls

PDX Portland - GTF Great Falls

PDXGTF

Portland

Fri 12/4

5:45 am-12:39 pm

1 stop5h 54m

Great Falls

Fri 12/4

6:19 pm-11:59 pm

1 stop6h 40m

$684

PortlandGreat Falls

PDX Portland - GTF Great Falls

PDXGTF

Portland

Sun 11/22

3:40 pm-1:49 pm

2 stops21h 09m

Great Falls

Sun 11/29

2:45 pm-12:22 pm

2 stops22h 37m

$1,329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oregon to Great Falls

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

Other information

What is the cheapest month to fly to Great Falls?

The month of February is another great option to travel to Great Falls, with average flight prices from Oregon averaging around $275.

Cheap Oregon to Great Falls flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Great Falls

Best Price Found	$248
Fastest flight time	5h 27m
Direct flights	None

The best one-way flight to Great Falls from Oregon in the past 72 hours is $248. The best round-trip flight deal from Oregon to Great Falls found on momondo in the last 72 hours is $403.

The fastest flight from Oregon to Great Falls takes 5h 27m

There are no direct flights from Oregon to Great Falls. There are no popular flight routes from Oregon to Great Falls.

Search flight deals

Frequently asked questions about flying from Oregon to Great Falls

When did momondo last update prices for flights from Oregon to Great Falls Airport?
Prices for flights from Oregon to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Oregon to Great Falls Airport?
As of November 2026, there are 2 operators available to choose from for flights from Oregon to Great Falls Airport.
How old do you have to be to fly from Oregon to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Oregon to Great Falls

Compare and see reviews for airlines that fly from Oregon to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $186	Free Cancellation	Rating 7.8 8,714 reviews		Search Delta flights
Alaska Airlines	PriceFrom $223	Free Cancellation	Rating 7.9 13,158 reviews		Search Alaska Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Great Falls?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oregon to Great Falls. momondo saves you time and could save you money on your trip.

Can I find flights from Oregon to Great Falls with flexible booking policies on momondo?

momondo does allow users to show only those flights to Great Falls from Oregon which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Oregon to Great Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Great Falls from Oregon.

I’m not ready to book a flight from Oregon to Great Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Great Falls from Oregon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.