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 3h 50m on average. Another popular route from Oregon to Great Falls is flying from Redmond to Great Falls, which will take roughly 5h 23m. Keep in mind that layovers or delays could extend your travel time.

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

Delta and Alaska Airlines are the most popular carriers operating 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 August 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.

$348 Cheap Flights from Oregon to Great Falls in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:14 am - 4:39 pmPDX Portland-GTF Great Falls

7h 25m1 stop Seattle/Tacoma Intl

5:19 pm - 7:50 pmGTF Great Falls-PDX Portland

3h 31m1 stop Seattle/Tacoma Intl

$409Alaska Airlines

Sat, Sep 12 - Sat, Sep 26

10:45 am - 4:39 pmPDX Portland-GTF Great Falls

4h 54m1 stop Seattle/Tacoma Intl

5:19 pm - 8:28 amGTF Great Falls-PDX Portland

16h 09m1 stop Seattle/Tacoma Intl

$419Alaska Airlines

Sat, Sep 26 - Fri, Oct 2

6:17 pm - 4:39 pmRDM Bend/Redmond-GTF Great Falls

21h 22m1 stop Seattle/Tacoma Intl

5:19 pm - 5:26 pmGTF Great Falls-RDM Bend/Redmond

25h 07m1 stop Seattle/Tacoma Intl

$422Alaska Airlines

Tue, Sep 29 - Fri, Oct 2

6:06 pm - 5:17 pmRDM Bend/Redmond-GTF Great Falls

22h 11m1 stop Seattle/Tacoma Intl

4:57 pm - 8:56 pmGTF Great Falls-RDM Bend/Redmond

4h 59m1 stop Seattle/Tacoma Intl

$422Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

1:35 pm - 5:19 pmRDM Bend/Redmond-GTF Great Falls

26h 44m1 stop Seattle/Tacoma Intl

4:59 pm - 5:01 pmGTF Great Falls-RDM Bend/Redmond

25h 02m1 stop Seattle/Tacoma Intl

$422Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

5:10 pm - 10:37 pmPDX Portland-GTF Great Falls

4h 27m1 stop Salt Lake City

5:40 am - 10:40 amGTF Great Falls-PDX Portland

6h 00m2 stops Salt Lake City Seattle/Tacoma Intl

$432Delta

Sat, Sep 12 - Sat, Sep 26

6:05 am - 5:47 pmEUG Eugene-GTF Great Falls

10h 42m2 stops Seattle/Tacoma Intl Salt Lake City

6:27 pm - 11:59 pmGTF Great Falls-EUG Eugene

6h 32m2 stops Salt Lake City Seattle/Tacoma Intl

$433Delta

Thu, Oct 15 - Sun, Oct 18

7:00 am - 5:41 pmPDX Portland-GTF Great Falls

9h 41m2 stops Seattle/Tacoma Intl Salt Lake City

5:40 am - 8:41 amGTF Great Falls-PDX Portland

4h 01m1 stop Salt Lake City

$440Delta

Wed, Sep 16 - Mon, Sep 21

6:05 am - 5:47 pmEUG Eugene-GTF Great Falls

10h 42m2 stops Seattle/Tacoma Intl Salt Lake City

6:27 pm - 11:49 pmGTF Great Falls-EUG Eugene

6h 22m1 stop Salt Lake City

$444Delta

Fri, Oct 16 - Sun, Oct 18

1:00 pm - 9:12 pmMFR Medford-GTF Great Falls

7h 12m1 stop Denver Intl

6:15 am - 1:01 pmGTF Great Falls-MFR Medford

7h 46m1 stop Denver Intl

$674United Airlines

Mon, Aug 24 - Thu, Aug 27

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Delta flights from Oregon to Great Falls

Our best Delta deals on Oregon to Great Falls flight tickets

Delta

Sep 12

PDX5:10 pmPortland

4h 27m

1 stop

GTF10:37 pmGreat Falls

Sep 26

GTF5:40 amGreat Falls

6h 00m

2 stops

PDX10:40 amPortland

$432

Delta

Oct 15

EUG6:05 amEugene

10h 42m

2 stops

GTF5:47 pmGreat Falls

Oct 18

GTF6:27 pmGreat Falls

6h 32m

2 stops

EUG11:59 pmEugene

$433

Delta

Sep 16

PDX7:00 amPortland

9h 41m

2 stops

GTF5:41 pmGreat Falls

Sep 21

GTF5:40 amGreat Falls

4h 01m

1 stop

PDX8:41 amPortland

$440

Alaska Airlines flights from Oregon to Great Falls

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

Alaska Airlines

Sep 12

PDX8:14 amPortland

7h 25m

1 stop

GTF4:39 pmGreat Falls

Sep 26

GTF5:19 pmGreat Falls

3h 31m

1 stop

PDX7:50 pmPortland

$409

Alaska Airlines

Sep 26

PDX10:45 amPortland

4h 54m

1 stop

GTF4:39 pmGreat Falls

Oct 2

GTF5:19 pmGreat Falls

16h 09m

1 stop

PDX8:28 amPortland

$419

Alaska Airlines

Oct 29

PDX12:18 pmPortland

3h 17m

1 stop

GTF4:35 pmGreat Falls

Nov 2

GTF4:57 pmGreat Falls

19h 22m

1 stop

PDX11:19 amPortland

$422

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandGreat Falls

PDX Portland - GTF Great Falls

PDXGTF

Portland

Sat 9/12

8:14 am-4:39 pm

1 stop7h 25m

Great Falls

Sat 9/26

5:19 pm-7:50 pm

1 stop3h 31m

$409

PortlandGreat Falls

PDX Portland - GTF Great Falls

PDXGTF

Portland

Sat 9/26

10:45 am-4:39 pm

1 stop4h 54m

Great Falls

Fri 10/2

5:19 pm-8:28 am

1 stop16h 09m

$419

RedmondGreat Falls

RDM Bend/Redmond - GTF Great Falls

RDMGTF

Bend/Redmond

Tue 9/29

6:17 pm-4:39 pm

1 stop21h 22m

Great Falls

Fri 10/2

5:19 pm-5:26 pm

1 stop25h 07m

$422

RedmondGreat Falls

RDM Bend/Redmond - GTF Great Falls

RDMGTF

Bend/Redmond

Sat 10/31

6:06 pm-5:17 pm

1 stop22h 11m

Great Falls

Tue 11/3

4:57 pm-8:56 pm

1 stop4h 59m

$422

RedmondGreat Falls

RDM Bend/Redmond - GTF Great Falls

RDMGTF

Bend/Redmond

Sat 10/31

1:35 pm-5:19 pm

1 stop26h 44m

Great Falls

Tue 11/3

4:59 pm-5:01 pm

1 stop25h 02m

$422

Quickest round-trip

PortlandGreat Falls

PDX Portland - GTF Great Falls

PDXGTF

Portland

Sat 9/12

5:10 pm-10:37 pm

1 stop4h 27m

Great Falls

Sat 9/26

5:40 am-10:40 am

2 stops6h 00m

$432

EugeneGreat Falls

EUG Eugene - GTF Great Falls

EUGGTF

Eugene

Thu 10/15

6:05 am-5:47 pm

2 stops10h 42m

Great Falls

Sun 10/18

6:27 pm-11:59 pm

2 stops6h 32m

$433

PortlandGreat Falls

PDX Portland - GTF Great Falls

PDXGTF

Portland

Wed 9/16

7:00 am-5:41 pm

2 stops9h 41m

Great Falls

Mon 9/21

5:40 am-8:41 am

1 stop4h 01m

$440

EugeneGreat Falls

EUG Eugene - GTF Great Falls

EUGGTF

Eugene

Fri 10/16

6:05 am-5:47 pm

2 stops10h 42m

Great Falls

Sun 10/18

6:27 pm-11:49 pm

1 stop6h 22m

$444

MedfordGreat Falls

MFR Medford - GTF Great Falls

MFRGTF

Medford

Mon 8/24

1:00 pm-9:12 pm

1 stop7h 12m

Great Falls

Thu 8/27

6:15 am-1:01 pm

1 stop7h 46m

$674

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

Fastest flight time	3h 50m
Direct flights	None

The fastest flight from Oregon to Great Falls takes 3h 50m

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 August 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 8,506 reviews		Search Delta flights
Alaska Airlines	PriceFrom $270	Free Cancellation	Rating 7.9 12,794 reviews		Search Alaska Airlines flights

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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.