What is the cheapest airline that flies from Oregon to Helena?

Alaska Airlines is the most popular carrier operating from Oregon to Helena

How long does it take to fly to Helena?

On average, it takes 1h 33m to fly from Oregon to Helena if you fly out of Portland (the most popular airport in Oregon) and into Bozeman (the most popular airport in Helena). If you’re flying out of Eugene and into Bozeman, then the flight time is around 3h 54m.

What airlines fly to Helena?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Helena from Oregon according to our data. Alaska Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 4 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Oregon to Helena Airport were last updated today.

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

As of December 2025, there are 2 operators available to choose from for flights from Oregon to Helena Airport.

How old do you have to be to fly from Oregon to Helena 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 Helena Airport.

What documentation or ID do you need to fly to Helena Airport?

The travel and health documents you'll need for your trip to Helena 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 Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$264 Cheap Flights from Oregon to Helena in 2025/26

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Find the cheapest flights from Oregon to Helena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 3:59 pm

PDX

HLN

8h 59m1 stop

4:36 pm - 11:44 pm

HLN

PDX

8h 08m1 stop

$264Alaska Airlines

Sat, Feb 28 - Tue, Mar 3

6:28 am - 3:59 pm

BOI

HLN

9h 31m1 stop

4:36 pm - 3:08 pm

HLN

BOI

22h 32m1 stop

$264Alaska Airlines

Sat, Mar 7 - Wed, Mar 11

1:38 pm - 6:11 pm

PDX

HLN

3h 33m1 stop

6:48 pm - 9:29 am

HLN

PDX

15h 41m1 stop

$274Alaska Airlines

Fri, Jan 16 - Sat, Jan 17

9:02 am - 3:59 pm

RDM

HLN

5h 57m1 stop

4:36 pm - 11:50 pm

HLN

RDM

8h 14m1 stop

$274Alaska Airlines

Thu, Feb 26 - Sat, Feb 28

3:43 pm - 6:11 pm

BOI

HLN

26h 28m1 stop

6:48 pm - 10:52 am

HLN

BOI

16h 04m1 stop

$274Alaska Airlines

Fri, Jan 30 - Mon, Feb 2

5:35 pm - 6:11 pm

PDX

HLN

23h 36m1 stop

6:48 pm - 10:46 pm

HLN

PDX

4h 58m1 stop

$275Alaska Airlines

Fri, Jan 23 - Mon, Jan 26

1:38 pm - 6:11 pm

PDX

HLN

3h 33m1 stop

6:48 pm - 9:29 am

HLN

PDX

15h 41m1 stop

$285Alaska Airlines

Thu, Jan 22 - Sun, Jan 25

5:35 pm - 6:11 pm

PDX

HLN

23h 36m1 stop

6:48 pm - 12:38 pm

HLN

PDX

18h 50m1 stop

$305Alaska Airlines

Mon, Jan 12 - Mon, Jan 19

5:50 am - 12:27 pm

PDX

HLN

5h 37m1 stop

5:30 am - 9:03 am

HLN

PDX

4h 33m1 stop

$348Delta

Sat, Jan 10 - Sun, Jan 11

6:15 pm - 10:29 pm

BOI

HLN

4h 14m1 stop

5:30 am - 10:24 am

HLN

BOI

4h 54m1 stop

$357Delta

Sun, Jan 11 - Sun, Jan 18

Alaska Airlines flights from Oregon to Helena

Our best Alaska Airlines deals on Oregon to Helena flight tickets

Alaska Airlines

Feb 28

PDX6:00 amPortland

8h 59m

1 stop

HLN3:59 pmHelena

Mar 3

HLN4:36 pmHelena

8h 08m

1 stop

PDX11:44 pmPortland

$264

Find similar

Alaska Airlines

Feb 26

RDM9:02 amBend/Redmond

5h 57m

1 stop

HLN3:59 pmHelena

Feb 28

HLN4:36 pmHelena

8h 14m

1 stop

RDM11:50 pmBend/Redmond

$274

Find similar

Alaska Airlines

Jan 23

PDX5:35 pmPortland

23h 36m

1 stop

HLN6:11 pmHelena

Jan 26

HLN6:48 pmHelena

4h 58m

1 stop

PDX10:46 pmPortland

$275

Find similar

Delta flights from Oregon to Helena

Our best Delta deals on Oregon to Helena flight tickets

Delta

Jan 10

PDX5:50 amPortland

5h 37m

1 stop

HLN12:27 pmHelena

Jan 11

HLN5:30 amHelena

4h 33m

1 stop

PDX9:03 amPortland

$348

Find similar

Delta

Jan 11

BOI6:15 pmBoise Air Term. Gowen Fld

4h 14m

1 stop

HLN10:29 pmHelena

Jan 18

HLN5:30 amHelena

4h 54m

1 stop

BOI10:24 amBoise Air Term. Gowen Fld

$357

Find similar

Delta

Jan 11

PDX5:00 pmPortland

4h 29m

1 stop

HLN10:29 pmHelena

Jan 18

HLN5:30 amHelena

4h 33m

1 stop

PDX9:03 amPortland

$387

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHelena

PDX - HLN

PDXHLN

Portland

Sat 2/28

6:00 am-3:59 pm

1 stop8h 59m

Helena

Tue 3/3

4:36 pm-11:44 pm

1 stop8h 08m

$264

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 3/7

6:28 am-3:59 pm

1 stop9h 31m

Helena

Wed 3/11

4:36 pm-3:08 pm

1 stop22h 32m

$264

PortlandHelena

PDX - HLN

PDXHLN

Portland

Fri 1/16

1:38 pm-6:11 pm

1 stop3h 33m

Helena

Sat 1/17

6:48 pm-9:29 am

1 stop15h 41m

$274

RedmondHelena

RDM - HLN

RDMHLN

Bend/Redmond

Thu 2/26

9:02 am-3:59 pm

1 stop5h 57m

Helena

Sat 2/28

4:36 pm-11:50 pm

1 stop8h 14m

$274

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 1/30

3:43 pm-6:11 pm

1 stop26h 28m

Helena

Mon 2/2

6:48 pm-10:52 am

1 stop16h 04m

$274

PortlandHelena

PDX - HLN

PDXHLN

Portland

Fri 1/23

5:35 pm-6:11 pm

1 stop23h 36m

Helena

Mon 1/26

6:48 pm-10:46 pm

1 stop4h 58m

$275

PortlandHelena

PDX - HLN

PDXHLN

Portland

Thu 1/22

1:38 pm-6:11 pm

1 stop3h 33m

Helena

Sun 1/25

6:48 pm-9:29 am

1 stop15h 41m

$285

PortlandHelena

PDX - HLN

PDXHLN

Portland

Mon 1/12

5:35 pm-6:11 pm

1 stop23h 36m

Helena

Mon 1/19

6:48 pm-12:38 pm

1 stop18h 50m

$305

PortlandHelena

PDX - HLN

PDXHLN

Portland

Sat 1/10

5:50 am-12:27 pm

1 stop5h 37m

Helena

Sun 1/11

5:30 am-9:03 am

1 stop4h 33m

$348

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sun 1/11

6:15 pm-10:29 pm

1 stop4h 14m

Helena

Sun 1/18

5:30 am-10:24 am

1 stop4h 54m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oregon to Helena

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 Helena?

If you aren’t able to travel to Helena during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $326.

What is the cheapest day to depart on your flight to Helena?

The cheapest day to depart from Oregon to Helena is on a Saturday. Travelers who choose to depart for Helena on a Saturday will often find tickets for as low as $321. The most expensive day to fly to Helena is Monday, with ticket prices averaging around $611.

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

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Oregon to Helena in the afternoon for as low as $354. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the morning when prices are around $443.

Cheap Oregon to Helena flight deals and tips

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

Fastest flight time	5h 28m
Direct flights	None

The fastest flight from Oregon to Helena takes 5h 28m

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

Search flight deals

When did momondo last update prices for flights from Oregon to Helena Airport?
Prices for flights from Oregon to Helena Airport were last updated today.
How many operators does momondo search for flights from Oregon to Helena Airport?
As of December 2025, there are 2 operators available to choose from for flights from Oregon to Helena Airport.
How old do you have to be to fly from Oregon to Helena 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 Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents you'll need for your trip to Helena 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 Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oregon to Helena

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $184	Free Cancellation	Rating 7.9 8,008 reviews		Search Delta flights
Alaska Airlines	PriceFrom $304	Free Cancellation	Rating 8.0 11,452 reviews		Search Alaska Airlines flights

Why use momondo?

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

It is quick and easy to find Oregon to Helena flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helena that suits you.

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

Yes. momondo enables you to select and highlight flights to Helena from Oregon with this policy.

How can momondo help me find flights from Oregon to Helena?

momondo provides multiple filters to help you find the best flight to Helena from Oregon. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Helena from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.