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 6h 01m on average. Another popular route from Oregon to Great Falls is flying from Redmond to Great Falls, which will take roughly 7h 37m. Keep in mind that layovers or delays could extend your travel time.

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

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 December 2025, 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.

$163 Cheap Flights from Oregon to Great Falls in 2025/26

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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.

9:00 am - 5:19 pm

EUG

GTF

7h 19m1 stop

5:59 pm - 4:54 pm

GTF

EUG

23h 55m1 stop

$234Alaska Airlines

Tue, Jan 27 - Sat, Jan 31

8:45 am - 5:19 pm

RDM

GTF

7h 34m1 stop

5:59 pm - 9:15 pm

GTF

RDM

4h 16m1 stop

$244Alaska Airlines

Thu, Jan 29 - Sat, Jan 31

5:35 pm - 5:19 pm

PDX

GTF

22h 44m1 stop

5:59 pm - 1:48 pm

GTF

PDX

20h 49m1 stop

$254Alaska Airlines

Thu, Jan 22 - Sun, Jan 25

5:42 pm - 5:19 pm

MFR

GTF

22h 37m1 stop

5:59 pm - 5:02 pm

GTF

MFR

24h 03m1 stop

$254Alaska Airlines

Thu, Jan 22 - Sun, Jan 25

6:33 pm - 5:19 pm

RDM

GTF

21h 46m1 stop

5:59 pm - 9:15 pm

GTF

RDM

4h 16m1 stop

$254Alaska Airlines

Tue, Jan 6 - Sat, Jan 10

7:10 am - 5:30 pm

PDX

GTF

9h 20m2 stops

1:15 pm - 8:59 pm

GTF

PDX

8h 44m2 stops

$255Delta

Fri, Jan 9 - Sun, Jan 11

5:20 pm - 12:33 pm

RDM

GTF

18h 13m2 stops

6:10 pm - 10:55 am

GTF

RDM

17h 45m2 stops

$255Delta

Wed, Jan 7 - Sun, Jan 11

5:20 pm - 12:33 pm

RDM

GTF

18h 13m2 stops

6:10 pm - 10:50 pm

GTF

RDM

5h 40m1 stop

$271Delta

Wed, Jan 7 - Sun, Jan 11

6:34 pm - 1:39 pm

MFR

GTF

18h 05m2 stops

2:35 pm - 12:08 pm

GTF

MFR

22h 33m2 stops

$707United Airlines

Tue, Dec 30 - Sat, Jan 3

5:00 am - 1:39 pm

MFR

GTF

7h 39m1 stop

2:35 pm - 12:08 pm

GTF

MFR

46h 33m2 stops

$875United Airlines

Tue, Dec 30 - Sat, Jan 3

Alaska Airlines flights from Oregon to Great Falls

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

Alaska Airlines

Jan 30

PDX1:38 pmPortland

26h 41m

1 stop

GTF5:19 pmGreat Falls

Feb 4

GTF5:59 pmGreat Falls

5h 47m

1 stop

PDX10:46 pmPortland

$234

Find similar

Alaska Airlines

Jan 30

PDX5:35 pmPortland

22h 44m

1 stop

GTF5:19 pmGreat Falls

Feb 5

GTF5:59 pmGreat Falls

16h 30m

1 stop

PDX9:29 amPortland

$244

Find similar

Alaska Airlines

Jan 6

RDM6:33 pmBend/Redmond

21h 46m

1 stop

GTF5:19 pmGreat Falls

Jan 10

GTF5:59 pmGreat Falls

4h 16m

1 stop

RDM9:15 pmBend/Redmond

$254

Find similar

Delta flights from Oregon to Great Falls

Our best Delta deals on Oregon to Great Falls flight tickets

Delta

Jan 30

PDX7:10 amPortland

9h 20m

2 stops

GTF5:30 pmGreat Falls

Feb 4

GTF1:12 pmGreat Falls

6h 38m

2 stops

PDX6:50 pmPortland

$245

Find similar

Delta

Jan 9

PDX7:10 amPortland

9h 20m

2 stops

GTF5:30 pmGreat Falls

Jan 11

GTF1:15 pmGreat Falls

8h 44m

2 stops

PDX8:59 pmPortland

$255

Find similar

Delta

Jan 7

RDM5:20 pmBend/Redmond

18h 13m

2 stops

GTF12:33 pmGreat Falls

Jan 11

GTF6:10 pmGreat Falls

5h 40m

1 stop

RDM10:50 pmBend/Redmond

$271

Find similar

Fly from

Fly to

Route

Depart

Return

Price

EugeneGreat Falls

EUG - GTF

EUGGTF

Eugene

Tue 1/27

9:00 am-5:19 pm

1 stop7h 19m

Great Falls

Sat 1/31

5:59 pm-4:54 pm

1 stop23h 55m

$234

RedmondGreat Falls

RDM - GTF

RDMGTF

Bend/Redmond

Thu 1/29

8:45 am-5:19 pm

1 stop7h 34m

Great Falls

Sat 1/31

5:59 pm-9:15 pm

1 stop4h 16m

$244

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Thu 1/22

5:35 pm-5:19 pm

1 stop22h 44m

Great Falls

Sun 1/25

5:59 pm-1:48 pm

1 stop20h 49m

$254

MedfordGreat Falls

MFR - GTF

MFRGTF

Medford

Thu 1/22

5:42 pm-5:19 pm

1 stop22h 37m

Great Falls

Sun 1/25

5:59 pm-5:02 pm

1 stop24h 03m

$254

RedmondGreat Falls

RDM - GTF

RDMGTF

Bend/Redmond

Tue 1/6

6:33 pm-5:19 pm

1 stop21h 46m

Great Falls

Sat 1/10

5:59 pm-9:15 pm

1 stop4h 16m

$254

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Fri 1/9

7:10 am-5:30 pm

2 stops9h 20m

Great Falls

Sun 1/11

1:15 pm-8:59 pm

2 stops8h 44m

$255

RedmondGreat Falls

RDM - GTF

RDMGTF

Bend/Redmond

Wed 1/7

5:20 pm-12:33 pm

2 stops18h 13m

Great Falls

Sun 1/11

6:10 pm-10:55 am

2 stops17h 45m

$255

RedmondGreat Falls

RDM - GTF

RDMGTF

Bend/Redmond

Wed 1/7

5:20 pm-12:33 pm

2 stops18h 13m

Great Falls

Sun 1/11

6:10 pm-10:50 pm

1 stop5h 40m

$271

MedfordGreat Falls

MFR - GTF

MFRGTF

Medford

Tue 12/30

6:34 pm-1:39 pm

2 stops18h 05m

Great Falls

Sat 1/3

2:35 pm-12:08 pm

2 stops22h 33m

$707

MedfordGreat Falls

MFR - GTF

MFRGTF

Medford

Tue 12/30

5:00 am-1:39 pm

1 stop7h 39m

Great Falls

Sat 1/3

2:35 pm-12:08 pm

2 stops46h 33m

$875

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 May is another great option to travel to Great Falls, with average flight prices from Oregon averaging around $345.

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Saturday 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. On the other hand, Thursday is the most expensive day to depart from Oregon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $428.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the afternoon. momondo users have found flights departing from Oregon to Great Falls in the afternoon for as low as $341. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $367 on average. Flights to Great Falls from Oregon in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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	6h 01m
Direct flights	None

The fastest flight from Oregon to Great Falls takes 6h 01m

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

Search flight deals

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 December 2025, 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 $260	Free Cancellation	Rating 7.9 8,008 reviews		Search Delta flights
Alaska Airlines	PriceFrom $264	Free Cancellation	Rating 8.0 11,452 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.