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

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

How long does it take to fly to Helena?

On average, it takes 1h 40m 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 Medford and into Bozeman, then the flight time is around 4h.

What airlines fly to Helena?

Alaska Airlines, Delta and United 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 76% 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 June 2026, 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.

$178 Cheap Flights from Oregon to Helena in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:06 am - 4:11 pm

BOI

HLN

6h 05m

1 stop

4:48 pm - 11:58 pm

HLN

BOI

7h 10m

1 stop

$323Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

2:08 pm - 4:11 pm

BOI

HLN

26h 03m

1 stop

4:48 pm - 11:58 pm

HLN

BOI

7h 10m

1 stop

$333Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

9:28 am - 4:11 pm

PDX

HLN

5h 43m

1 stop

4:48 pm - 11:02 pm

HLN

PDX

7h 14m

1 stop

$343Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

10:00 am - 4:41 pm

BOI

HLN

6h 41m

1 stop

5:18 pm - 3:30 pm

HLN

BOI

22h 12m

1 stop

$343Alaska Airlines

Tue, Sep 22 - Sat, Sep 26

9:28 am - 4:11 pm

PDX

HLN

5h 43m

1 stop

4:48 pm - 9:59 pm

HLN

PDX

6h 11m

1 stop

$347Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

6:25 am - 4:11 pm

YKM

HLN

8h 46m

1 stop

4:48 pm - 11:42 pm

HLN

YKM

7h 54m

1 stop

$353Alaska Airlines

Sat, Oct 3 - Wed, Oct 7

9:28 am - 4:11 pm

PDX

HLN

5h 43m

1 stop

4:48 pm - 11:02 pm

HLN

PDX

7h 14m

1 stop

$363Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

10:06 am - 4:11 pm

BOI

HLN

6h 05m

1 stop

4:48 pm - 10:06 pm

HLN

BOI

5h 18m

1 stop

$364Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

5:41 pm - 4:41 pm

PDX

HLN

22h 00m

1 stop

5:18 pm - 2:30 pm

HLN

PDX

22h 12m

1 stop

$373Alaska Airlines

Thu, Sep 24 - Mon, Sep 28

5:10 pm - 10:24 pm

PDX

HLN

4h 14m

1 stop

12:57 pm - 8:02 pm

HLN

PDX

8h 05m

2 stops

$420Delta

Fri, Sep 25 - Mon, Sep 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Oregon to Helena

Our best Delta deals on Oregon to Helena flight tickets

Delta

Sep 25

PDX5:10 pmPortland

4h 14m

1 stop

HLN10:24 pmHelena

Sep 28

HLN12:57 pmHelena

8h 05m

2 stops

PDX8:02 pmPortland

$420

Delta

Aug 14

PDX5:08 pmPortland

4h 22m

1 stop

HLN10:30 pmHelena

Aug 22

HLN12:55 pmHelena

4h 08m

1 stop

PDX4:03 pmPortland

$425

Delta

Aug 8

PDX5:45 amPortland

5h 30m

1 stop

HLN12:15 pmHelena

Aug 13

HLN5:40 amHelena

3h 57m

1 stop

PDX8:37 amPortland

$455

Alaska Airlines flights from Oregon to Helena

Our best Alaska Airlines deals on Oregon to Helena flight tickets

Alaska Airlines

Oct 27

BOI10:06 amBoise Air Term. Gowen Fld

6h 05m

1 stop

HLN4:11 pmHelena

Oct 31

HLN4:48 pmHelena

7h 10m

1 stop

BOI11:58 pmBoise Air Term. Gowen Fld

$323

Alaska Airlines

Oct 27

BOI2:08 pmBoise Air Term. Gowen Fld

26h 03m

1 stop

HLN4:11 pmHelena

Oct 31

HLN4:48 pmHelena

7h 10m

1 stop

BOI11:58 pmBoise Air Term. Gowen Fld

$333

Alaska Airlines

Oct 28

PDX9:28 amPortland

5h 43m

1 stop

HLN4:11 pmHelena

Oct 31

HLN4:48 pmHelena

7h 14m

1 stop

PDX11:02 pmPortland

$343

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 10/27

10:06 am-4:11 pm

1 stop6h 05m

Helena

Sat 10/31

4:48 pm-11:58 pm

1 stop7h 10m

$323

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 10/27

2:08 pm-4:11 pm

1 stop26h 03m

Helena

Sat 10/31

4:48 pm-11:58 pm

1 stop7h 10m

$333

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 10/28

9:28 am-4:11 pm

1 stop5h 43m

Helena

Sat 10/31

4:48 pm-11:02 pm

1 stop7h 14m

$343

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 9/22

10:00 am-4:41 pm

1 stop6h 41m

Helena

Sat 9/26

5:18 pm-3:30 pm

1 stop22h 12m

$343

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 10/28

9:28 am-4:11 pm

1 stop5h 43m

Helena

Sat 10/31

4:48 pm-9:59 pm

1 stop6h 11m

$347

YakimaHelena

YKM - HLN

YKMHLN

Yakima Air Terminal

Sat 10/3

6:25 am-4:11 pm

1 stop8h 46m

Helena

Wed 10/7

4:48 pm-11:42 pm

1 stop7h 54m

$353

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 10/28

9:28 am-4:11 pm

1 stop5h 43m

Helena

Sat 10/31

4:48 pm-11:02 pm

1 stop7h 14m

$363

Quickest round-trip

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 10/27

10:06 am-4:11 pm

1 stop6h 05m

Helena

Sat 10/31

4:48 pm-10:06 pm

1 stop5h 18m

$364

PortlandHelena

PDX - HLN

PDXHLN

Portland

Thu 9/24

5:41 pm-4:41 pm

1 stop22h 00m

Helena

Mon 9/28

5:18 pm-2:30 pm

1 stop22h 12m

$373

PortlandHelena

PDX - HLN

PDXHLN

Portland

Fri 9/25

5:10 pm-10:24 pm

1 stop4h 14m

Helena

Mon 9/28

12:57 pm-8:02 pm

2 stops8h 05m

$420

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 December, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $287.

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	3h 39m
Direct flights	None

The fastest flight from Oregon to Helena takes 3h 39m

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

Search flight deals

Frequently asked questions about flying from Oregon to Helena

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 June 2026, 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 $158	Free Cancellation	Rating 7.8 8,452 reviews		Search Delta flights
Alaska Airlines	PriceFrom $341	Free Cancellation	Rating 7.9 12,581 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.