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 80% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 3 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

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

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

How long does it take to fly to Helena?

On average, it takes 1h 39m 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 51m.

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 September 2026, there is 1 operator 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.

$243 Cheap Flights from Oregon to Helena in 2026/27

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.

8:09 am - 4:44 pmPDX Portland-HLN Helena

7h 35m1 stop Seattle/Tacoma Intl

4:41 pm - 11:54 pmHLN Helena-PDX Portland

8h 13m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Sat, Oct 31 - Sat, Nov 7

7:09 am - 4:44 pmPDX Portland-HLN Helena

8h 35m1 stop Seattle/Tacoma Intl

4:41 pm - 11:54 pmHLN Helena-PDX Portland

8h 13m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

6:02 am - 4:23 pmRDM Bend/Redmond-HLN Helena

9h 21m1 stop Seattle/Tacoma Intl

5:00 pm - 2:01 pmHLN Helena-RDM Bend/Redmond

22h 01m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

6:02 am - 4:23 pmRDM Bend/Redmond-HLN Helena

9h 21m1 stop Seattle/Tacoma Intl

5:00 pm - 3:26 pmHLN Helena-RDM Bend/Redmond

23h 26m2 stops Seattle/Tacoma Intl Portland

$418Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

2:10 pm - 4:04 pmPDX Portland-HLN Helena

24h 54m1 stop Seattle/Tacoma Intl

4:41 pm - 11:54 pmHLN Helena-PDX Portland

8h 13m1 stop Seattle/Tacoma Intl

$423Alaska Airlines

Fri, Nov 6 - Tue, Nov 10

7:37 pm - 4:44 pmPDX Portland-HLN Helena

20h 07m1 stop Seattle/Tacoma Intl

4:41 pm - 9:55 pmHLN Helena-PDX Portland

6h 14m1 stop Seattle/Tacoma Intl

$423Alaska Airlines

Fri, Oct 30 - Sat, Nov 7

5:39 pm - 4:44 pmPDX Portland-HLN Helena

22h 05m1 stop Seattle/Tacoma Intl

4:41 pm - 8:38 amHLN Helena-PDX Portland

16h 57m1 stop Seattle/Tacoma Intl

$423Alaska Airlines

Fri, Oct 30 - Tue, Nov 3

12:18 pm - 4:44 pmPDX Portland-HLN Helena

3h 26m1 stop Seattle/Tacoma Intl

4:41 pm - 9:28 amHLN Helena-PDX Portland

17h 47m2 stops Seattle/Tacoma Intl San Francisco

$431Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

5:49 pm - 12:28 pmPDX Portland-HLN Helena

17h 39m2 stops Seattle/Tacoma Intl Salt Lake City

1:08 pm - 10:42 pmHLN Helena-PDX Portland

10h 34m2 stops Salt Lake City Seattle/Tacoma Intl

$433Delta

Fri, Oct 30 - Sat, Nov 7

5:49 pm - 12:28 pmPDX Portland-HLN Helena

17h 39m2 stops Seattle/Tacoma Intl Salt Lake City

1:08 pm - 10:42 pmHLN Helena-PDX Portland

10h 34m2 stops Salt Lake City Seattle/Tacoma Intl

$433Delta

Mon, Oct 26 - Sat, Nov 7

Cheap last minute flights

Enter your travel dates to find the best prices.

10:30 am - 4:41 pmPDX Portland-HLN Helena

5h 11m1 stop Seattle/Tacoma Intl

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

6h 36m1 stop Seattle/Tacoma Intl

$801Alaska Airlines

Tue, Sep 29 - Tue, Oct 6

5:10 pm - 10:24 pmPDX Portland-HLN Helena

4h 14m1 stop Salt Lake City

7:15 am - 5:04 pmHLN Helena-PDX Portland

10h 49m2 stops Salt Lake City Seattle/Tacoma Intl

$806Delta

Tue, Sep 29 - Tue, Oct 6

11:48 am - 4:41 pmPDX Portland-HLN Helena

3h 53m1 stop Seattle/Tacoma Intl

5:18 pm - 10:01 pmHLN Helena-PDX Portland

5h 43m1 stop Seattle/Tacoma Intl

$990Alaska Airlines

Mon, Sep 28 - Fri, Oct 2

5:40 am - 12:17 pmPDX Portland-HLN Helena

5h 37m1 stop Salt Lake City

12:57 pm - 4:05 pmHLN Helena-PDX Portland

4h 08m1 stop Salt Lake City

$990Delta

Mon, Sep 28 - Wed, Sep 30

11:48 am - 4:41 pmPDX Portland-HLN Helena

3h 53m1 stop Seattle/Tacoma Intl

5:26 pm - 8:58 pmHLN Helena-PDX Portland

4h 32m1 stop Seattle/Tacoma Intl

$990Alaska Airlines

Mon, Sep 28 - Sat, Oct 3

9:20 am - 4:41 pmPDX Portland-HLN Helena

6h 21m1 stop Seattle/Tacoma Intl

5:26 pm - 9:56 pmHLN Helena-PDX Portland

5h 30m1 stop Seattle/Tacoma Intl

$990Alaska Airlines

Thu, Oct 1 - Thu, Oct 8

9:20 am - 4:41 pmPDX Portland-HLN Helena

6h 21m1 stop Seattle/Tacoma Intl

5:18 pm - 10:01 pmHLN Helena-PDX Portland

5h 43m1 stop Seattle/Tacoma Intl

$990Alaska Airlines

Mon, Sep 28 - Thu, Oct 1

5:10 pm - 10:24 pmPDX Portland-HLN Helena

4h 14m1 stop Salt Lake City

7:15 am - 12:15 pmHLN Helena-PDX Portland

6h 00m1 stop Salt Lake City

$990Delta

Mon, Sep 28 - Sun, Oct 4

5:10 pm - 10:24 pmPDX Portland-HLN Helena

4h 14m1 stop Salt Lake City

12:57 pm - 10:31 pmHLN Helena-PDX Portland

10h 34m2 stops Salt Lake City Seattle/Tacoma Intl

$995Delta

Mon, Sep 28 - Sat, Oct 3

5:10 pm - 10:24 pmPDX Portland-HLN Helena

4h 14m1 stop Salt Lake City

12:57 pm - 10:02 pmHLN Helena-PDX Portland

10h 05m2 stops Salt Lake City Seattle/Tacoma Intl

$995Delta

Mon, Sep 28 - Wed, Sep 30

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Alaska Airlines flights from Oregon to Helena

Our best Alaska Airlines deals on Oregon to Helena flight tickets

Alaska Airlines

Oct 31

PDX8:09 amPortland

7h 35m

1 stop

HLN4:44 pmHelena

Nov 7

HLN4:41 pmHelena

8h 13m

1 stop

PDX11:54 pmPortland

$413

Alaska Airlines

Jan 9

RDM6:02 amBend/Redmond

9h 21m

1 stop

HLN4:23 pmHelena

Jan 12

HLN5:00 pmHelena

23h 26m

2 stops

RDM3:26 pmBend/Redmond

$418

Alaska Airlines

Oct 30

PDX7:37 pmPortland

20h 07m

1 stop

HLN4:44 pmHelena

Nov 7

HLN4:41 pmHelena

6h 14m

1 stop

PDX9:55 pmPortland

$423

Delta flights from Oregon to Helena

Our best Delta deals on Oregon to Helena flight tickets

Delta

Oct 26

PDX5:49 pmPortland

17h 39m

2 stops

HLN12:28 pmHelena

Nov 3

HLN1:08 pmHelena

20h 38m

2 stops

PDX8:46 amPortland

$433

Delta

Dec 16

PDX5:34 pmPortland

3h 58m

1 stop

HLN10:32 pmHelena

Jan 5

HLN5:45 amHelena

18h 47m

2 stops

PDX11:32 pmPortland

$434

Delta

Oct 28

PDX5:49 pmPortland

17h 39m

2 stops

HLN12:28 pmHelena

Nov 7

HLN1:08 pmHelena

10h 34m

2 stops

PDX10:42 pmPortland

$438

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Sat 10/31

8:09 am-4:44 pm

1 stop7h 35m

Helena

Sat 11/7

4:41 pm-11:54 pm

1 stop8h 13m

$413

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Sat 10/31

7:09 am-4:44 pm

1 stop8h 35m

Helena

Tue 11/3

4:41 pm-11:54 pm

1 stop8h 13m

$413

RedmondHelena

RDM Bend/Redmond - HLN Helena

RDMHLN

Bend/Redmond

Sat 1/9

6:02 am-4:23 pm

1 stop9h 21m

Helena

Tue 1/12

5:00 pm-2:01 pm

1 stop22h 01m

$413

RedmondHelena

RDM Bend/Redmond - HLN Helena

RDMHLN

Bend/Redmond

Sat 1/9

6:02 am-4:23 pm

1 stop9h 21m

Helena

Tue 1/12

5:00 pm-3:26 pm

2 stops23h 26m

$418

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Fri 11/6

2:10 pm-4:04 pm

1 stop24h 54m

Helena

Tue 11/10

4:41 pm-11:54 pm

1 stop8h 13m

$423

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Fri 10/30

7:37 pm-4:44 pm

1 stop20h 07m

Helena

Sat 11/7

4:41 pm-9:55 pm

1 stop6h 14m

$423

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Fri 10/30

5:39 pm-4:44 pm

1 stop22h 05m

Helena

Tue 11/3

4:41 pm-8:38 am

1 stop16h 57m

$423

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Sat 10/31

12:18 pm-4:44 pm

1 stop3h 26m

Helena

Tue 11/3

4:41 pm-9:28 am

2 stops17h 47m

$431

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Fri 10/30

5:49 pm-12:28 pm

2 stops17h 39m

Helena

Sat 11/7

1:08 pm-10:42 pm

2 stops10h 34m

$433

PortlandHelena

PDX Portland - HLN Helena

PDXHLN

Portland

Mon 10/26

5:49 pm-12:28 pm

2 stops17h 39m

Helena

Sat 11/7

1:08 pm-10:42 pm

2 stops10h 34m

$433

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

Best Price Found	$243
Fastest flight time	3h 40m
Direct flights	None

The best one-way flight to Helena from Oregon in the past 72 hours is $243. The best round-trip flight deal from Oregon to Helena found on momondo in the last 72 hours is $413.

The fastest flight from Oregon to Helena takes 3h 40m

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 September 2026, there is 1 operator 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 $367	Free Cancellation	Rating 7.9 12,978 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.