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

How long does it take to fly to Helena?

On average, it takes 1h 45m 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 14m.

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 77% 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 August 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.

$183 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.

10:07 am - 4:04 pmRDM Bend/Redmond-HLN Helena

4h 57m1 stop Seattle/Tacoma Intl

4:41 pm - 8:56 pmHLN Helena-RDM Bend/Redmond

5h 15m1 stop Seattle/Tacoma Intl

$405Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

10:22 am - 4:49 pmRDM Bend/Redmond-HLN Helena

5h 27m1 stop Seattle/Tacoma Intl

4:41 pm - 8:56 pmHLN Helena-RDM Bend/Redmond

5h 15m1 stop Seattle/Tacoma Intl

$405Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

12:18 pm - 4:49 pmPDX Portland-HLN Helena

3h 31m1 stop Seattle/Tacoma Intl

5:26 pm - 11:02 pmHLN Helena-PDX Portland

6h 36m1 stop Seattle/Tacoma Intl

$414Alaska Airlines

Wed, Oct 21 - Sat, Oct 24

6:15 am - 3:31 pmYKM Yakima Air Terminal-HLN Helena

8h 16m1 stop Seattle/Tacoma Intl

4:08 pm - 11:59 pmHLN Helena-YKM Yakima Air Terminal

8h 51m1 stop Seattle/Tacoma Intl

$423Alaska Airlines

Sat, Dec 12 - Tue, Dec 15

2:44 pm - 9:30 pmBOI Boise Air Term. Gowen Fld-HLN Helena

6h 46m1 stop Denver Intl

6:15 am - 1:38 pmHLN Helena-BOI Boise Air Term. Gowen Fld

7h 23m1 stop Denver Intl

$459United Airlines

Tue, Sep 1 - Sat, Sep 5

5:45 am - 12:15 pmPDX Portland-HLN Helena

5h 30m1 stop Salt Lake City

5:40 am - 8:37 amHLN Helena-PDX Portland

3h 57m1 stop Salt Lake City

$545Delta

Thu, Aug 27 - Mon, Aug 31

5:45 am - 12:15 pmPDX Portland-HLN Helena

5h 30m1 stop Salt Lake City

12:55 pm - 7:44 pmHLN Helena-PDX Portland

7h 49m2 stops Salt Lake City Seattle/Tacoma Intl

$550Delta

Thu, Aug 27 - Mon, Aug 31

5:45 am - 12:15 pmPDX Portland-HLN Helena

5h 30m1 stop Salt Lake City

5:40 am - 8:37 amHLN Helena-PDX Portland

3h 57m1 stop Salt Lake City

$581Delta

Thu, Aug 27 - Mon, Aug 31

7:07 pm - 9:30 pmPDX Portland-HLN Helena

25h 23m1 stop Denver Intl

6:15 am - 9:32 amHLN Helena-PDX Portland

28h 17m1 stop Denver Intl

$855United Airlines

Thu, Aug 20 - Sun, Aug 23

3:43 pm - 9:30 pmPDX Portland-HLN Helena

28h 47m2 stops San Francisco Denver Intl

6:15 am - 9:32 amHLN Helena-PDX Portland

28h 17m1 stop Denver Intl

$860United Airlines

Thu, Aug 20 - Sun, Aug 23

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Alaska Airlines flights from Oregon to Helena

Our best Alaska Airlines deals on Oregon to Helena flight tickets

Alaska Airlines

Nov 14

RDM10:07 amBend/Redmond

4h 57m

1 stop

HLN4:04 pmHelena

Nov 17

HLN4:41 pmHelena

5h 15m

1 stop

RDM8:56 pmBend/Redmond

$405

Alaska Airlines

Oct 21

PDX12:18 pmPortland

3h 31m

1 stop

HLN4:49 pmHelena

Oct 24

HLN5:26 pmHelena

6h 36m

1 stop

PDX11:02 pmPortland

$414

Alaska Airlines

Dec 12

YKM6:15 amYakima Air Terminal

8h 16m

1 stop

HLN3:31 pmHelena

Dec 15

HLN4:08 pmHelena

8h 51m

1 stop

YKM11:59 pmYakima Air Terminal

$423

United Airlines flights from Oregon to Helena

Our best United Airlines deals on Oregon to Helena flight tickets

United Airlines

Sep 1

BOI2:44 pmBoise Air Term. Gowen Fld

6h 46m

1 stop

HLN9:30 pmHelena

Sep 5

HLN6:15 amHelena

7h 23m

1 stop

BOI1:38 pmBoise Air Term. Gowen Fld

$459

United Airlines

Aug 11

BOI2:44 pmBoise Air Term. Gowen Fld

6h 46m

1 stop

HLN9:30 pmHelena

Aug 22

HLN2:35 pmHelena

7h 02m

1 stop

BOI9:37 pmBoise Air Term. Gowen Fld

$730

United Airlines

Aug 20

PDX7:07 pmPortland

25h 23m

1 stop

HLN9:30 pmHelena

Aug 23

HLN6:15 amHelena

28h 17m

1 stop

PDX9:32 amPortland

$855

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RedmondHelena

RDM Bend/Redmond - HLN Helena

RDMHLN

Bend/Redmond

Sat 11/14

10:07 am-4:04 pm

1 stop4h 57m

Helena

Tue 11/17

4:41 pm-8:56 pm

1 stop5h 15m

$405

RedmondHelena

RDM Bend/Redmond - HLN Helena

RDMHLN

Bend/Redmond

Sat 10/31

10:22 am-4:49 pm

1 stop5h 27m

Helena

Tue 11/3

4:41 pm-8:56 pm

1 stop5h 15m

$405

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Wed 10/21

12:18 pm-4:49 pm

1 stop3h 31m

Helena

Sat 10/24

5:26 pm-11:02 pm

1 stop6h 36m

$414

YakimaHelena

YKM Yakima Air Terminal - HLN Helena

YKMHLN

Yakima Air Terminal

Sat 12/12

6:15 am-3:31 pm

1 stop8h 16m

Helena

Tue 12/15

4:08 pm-11:59 pm

1 stop8h 51m

$423

BoiseHelena

BOI Boise Air Term. Gowen Fld - HLN Helena

BOIHLN

Boise Air Term. Gowen Fld

Tue 9/1

2:44 pm-9:30 pm

1 stop6h 46m

Helena

Sat 9/5

6:15 am-1:38 pm

1 stop7h 23m

$459

Quickest round-trip

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Thu 8/27

5:45 am-12:15 pm

1 stop5h 30m

Helena

Mon 8/31

5:40 am-8:37 am

1 stop3h 57m

$545

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Thu 8/27

5:45 am-12:15 pm

1 stop5h 30m

Helena

Mon 8/31

12:55 pm-7:44 pm

2 stops7h 49m

$550

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Thu 8/27

5:45 am-12:15 pm

1 stop5h 30m

Helena

Mon 8/31

5:40 am-8:37 am

1 stop3h 57m

$581

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Thu 8/20

7:07 pm-9:30 pm

1 stop25h 23m

Helena

Sun 8/23

6:15 am-9:32 am

1 stop28h 17m

$855

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Thu 8/20

3:43 pm-9:30 pm

2 stops28h 47m

Helena

Sun 8/23

6:15 am-9:32 am

1 stop28h 17m

$860

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 October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $367.

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 30m
Direct flights	None

The fastest flight from Oregon to Helena takes 5h 30m

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 August 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 8,506 reviews		Search Delta flights
Alaska Airlines	PriceFrom $341	Free Cancellation	Rating 7.9 12,794 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.