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

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Oregon to Helena

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 79% 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.

How long does it take to fly to Helena?

On average, it takes 1h 32m 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 46m.

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 August 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.

$153 Cheap Flights from Oregon to Helena in 2025

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Find the cheapest flights from Oregon to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

5:55 pm - 10:16 pmBOI-HLN

4h 21m1 stop

5:45 am - 10:17 amHLN-BOI

4h 32m1 stop

$239Delta

Find Deal

Sat, Oct 18 - Wed, Oct 22

6:05 am - 3:21 pmPDX-HLN

8h 16m1 stop

4:02 pm - 12:15 amHLN-PDX

9h 13m1 stop

$282Alaska Airlines

Find Deal

Wed, Sep 10 - Tue, Sep 16

1:35 pm - 5:41 pmBOI-HLN

4h 06m1 stop

6:18 pm - 7:20 amHLN-BOI

13h 02m2 stops

$296Alaska Airlines

Find Deal

Sat, Oct 18 - Wed, Oct 22

6:05 am - 3:21 pmPDX-HLN

8h 16m1 stop

4:02 pm - 12:27 pmHLN-PDX

21h 25m1 stop

$302Alaska Airlines

Find Deal

Wed, Sep 10 - Mon, Sep 15

8:42 pm - 3:21 pmBOI-HLN

18h 39m1 stop

4:02 pm - 10:50 pmHLN-BOI

6h 48m1 stop

$313Alaska Airlines

Find Deal

Fri, Sep 12 - Wed, Sep 17

5:30 am - 12:20 pmPDX-HLN

5h 50m1 stop

5:45 am - 8:55 amHLN-PDX

4h 10m1 stop

$336Delta

Find Deal

Thu, Sep 11 - Tue, Sep 16

6:05 am - 3:21 pmPDX-HLN

8h 16m1 stop

4:02 pm - 8:40 pmHLN-PDX

5h 38m2 stops

$351Alaska Airlines

Find Deal

Wed, Sep 10 - Tue, Sep 16

5:40 pm - 10:14 pmPDX-HLN

27h 34m2 stops

5:20 pm - 9:28 amHLN-PDX

17h 08m1 stop

$520United Airlines

Find Deal

Fri, Sep 12 - Sun, Sep 14

5:00 am - 1:30 pmBOI-HLN

8h 30m1 stop

5:20 pm - 10:21 pmHLN-BOI

5h 01m1 stop

$572United Airlines

Find Deal

Fri, Sep 12 - Wed, Sep 17

10:45 am - 4:04 pmBOI-HLN

5h 19m1 stop

5:20 pm - 1:49 pmHLN-BOI

20h 29m2 stops

$616United Airlines

Find Deal

Tue, Sep 2 - Sat, Sep 6

Delta flights from Oregon to Helena

Our best Delta deals on Oregon to Helena flight tickets

Delta

Oct 18

BOI5:55 pmBoise Air Term. Gowen Fld

4h 21m

1 stop

HLN10:16 pmHelena

Oct 22

HLN5:45 amHelena

4h 32m

1 stop

BOI10:17 amBoise Air Term. Gowen Fld

$239

Find similar

Delta

Sep 11

PDX5:30 amPortland

5h 50m

1 stop

HLN12:20 pmHelena

Sep 16

HLN5:45 amHelena

4h 10m

1 stop

PDX8:55 amPortland

$336

Find similar

Delta

Sep 25

PDX5:30 amPortland

5h 50m

1 stop

HLN12:20 pmHelena

Sep 28

HLN5:45 amHelena

4h 10m

1 stop

PDX8:55 amPortland

$367

Find similar

Alaska Airlines flights from Oregon to Helena

Our best Alaska Airlines deals on Oregon to Helena flight tickets

Alaska Airlines

Sep 10

PDX6:05 amPortland

8h 16m

1 stop

HLN3:21 pmHelena

Sep 16

HLN4:02 pmHelena

9h 13m

1 stop

PDX12:15 amPortland

$282

Find similar

Alaska Airlines

Oct 18

BOI1:35 pmBoise Air Term. Gowen Fld

4h 06m

1 stop

HLN5:41 pmHelena

Oct 22

HLN6:18 pmHelena

13h 02m

2 stops

BOI7:20 amBoise Air Term. Gowen Fld

$296

Find similar

Alaska Airlines

Sep 10

PDX6:05 amPortland

8h 16m

1 stop

HLN3:21 pmHelena

Sep 15

HLN4:02 pmHelena

21h 25m

1 stop

PDX12:27 pmPortland

$302

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 10/18

5:55 pm-10:16 pm

1 stop4h 21m

Helena

Wed 10/22

5:45 am-10:17 am

1 stop4h 32m

$239

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 9/10

6:05 am-3:21 pm

1 stop8h 16m

Helena

Tue 9/16

4:02 pm-12:15 am

1 stop9h 13m

$282

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 10/18

1:35 pm-5:41 pm

1 stop4h 06m

Helena

Wed 10/22

6:18 pm-7:20 am

2 stops13h 02m

$296

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 9/10

6:05 am-3:21 pm

1 stop8h 16m

Helena

Mon 9/15

4:02 pm-12:27 pm

1 stop21h 25m

$302

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 9/12

8:42 pm-3:21 pm

1 stop18h 39m

Helena

Wed 9/17

4:02 pm-10:50 pm

1 stop6h 48m

$313

PortlandHelena

PDX - HLN

PDXHLN

Portland

Thu 9/11

5:30 am-12:20 pm

1 stop5h 50m

Helena

Tue 9/16

5:45 am-8:55 am

1 stop4h 10m

$336

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 9/10

6:05 am-3:21 pm

1 stop8h 16m

Helena

Tue 9/16

4:02 pm-8:40 pm

2 stops5h 38m

$351

PortlandHelena

PDX - HLN

PDXHLN

Portland

Fri 9/12

5:40 pm-10:14 pm

2 stops27h 34m

Helena

Sun 9/14

5:20 pm-9:28 am

1 stop17h 08m

$520

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 9/12

5:00 am-1:30 pm

1 stop8h 30m

Helena

Wed 9/17

5:20 pm-10:21 pm

1 stop5h 01m

$572

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 9/2

10:45 am-4:04 pm

1 stop5h 19m

Helena

Sat 9/6

5:20 pm-1:49 pm

2 stops20h 29m

$616

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 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 December is also cheap. Prices for this month can be found on momondo for an average of $288.

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

Direct flights	None

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 August 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
Alaska Airlines	PriceFrom $245	Free Cancellation	Rating 8.0 10,000 reviews		Search Alaska Airlines flights
Delta	PriceFrom $288	Free Cancellation	Rating 7.9 7,982 reviews		Search Delta 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.