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Cheap flights from Oregon to Helena from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Helena departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Oregon to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
11:54 am - 3:59 pm
BOI
-
HLN
4h 05m
1 stop
Alaska Airlines Logo
4:36 pm - 10:40 pm
HLN
-
BOI
6h 04m
1 stop
$177Alaska Airlines
Tue, Mar 3 - Wed, Mar 4
Delta Logo
6:00 am - 12:20 pm
PDX
-
HLN
5h 20m
1 stop
Delta Logo
5:45 am - 8:55 am
HLN
-
PDX
4h 10m
1 stop
$187Delta
Sat, May 9 - Wed, May 13
Alaska Airlines Logo
9:02 am - 3:59 pm
RDM
-
HLN
5h 57m
1 stop
Alaska Airlines Logo
4:36 pm - 9:32 pm
HLN
-
RDM
5h 56m
1 stop
$197Alaska Airlines
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
11:54 am - 3:59 pm
BOI
-
HLN
4h 05m
1 stop
Alaska Airlines Logo
4:36 pm - 10:40 pm
HLN
-
BOI
6h 04m
1 stop
$207Alaska Airlines
Tue, Mar 3 - Wed, Mar 4
Alaska Airlines Logo
6:00 am - 5:45 pm
PDX
-
HLN
10h 45m
1 stop
Alaska Airlines Logo
4:43 pm - 9:34 pm
HLN
-
PDX
5h 51m
1 stop
$237Alaska Airlines
Sat, May 9 - Wed, May 13
Alaska Airlines Logo
5:40 am - 3:59 pm
BOI
-
HLN
10h 19m
2 stops
Alaska Airlines Logo
4:36 pm - 10:40 pm
HLN
-
BOI
6h 04m
1 stop
$245Alaska Airlines
Tue, Mar 3 - Wed, Mar 4
Alaska Airlines Logo
11:59 am - 5:45 pm
PDX
-
HLN
4h 46m
1 stop
Alaska Airlines Logo
4:43 pm - 9:34 pm
HLN
-
PDX
5h 51m
1 stop
$257Alaska Airlines
Sat, May 9 - Wed, May 13
Delta Logo
6:15 pm - 10:30 pm
BOI
-
HLN
4h 15m
1 stop
Delta Logo
5:30 am - 12:05 pm
HLN
-
BOI
6h 35m
1 stop
$266Delta
Sat, Apr 4 - Sat, Apr 11
Alaska Airlines Logo
5:09 am - 3:59 pm
RDM
-
HLN
9h 50m
2 stops
Alaska Airlines Logo
4:36 pm - 9:32 pm
HLN
-
RDM
5h 56m
1 stop
$285Alaska Airlines
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
11:59 am - 5:45 pm
PDX
-
HLN
4h 46m
1 stop
Alaska Airlines Logo
4:43 pm - 1:33 pm
HLN
-
PDX
21h 50m
2 stops
$291Alaska Airlines
Sat, May 9 - Wed, May 13

Alaska Airlines flights from Oregon to Helena

Our best Alaska Airlines deals on Oregon to Helena flight tickets
Alaska Airlines
Mar 3
BOI11:54 amBoise Air Term. Gowen Fld
4h 05m
1 stop
HLN3:59 pmHelena
Mar 4
HLN4:36 pmHelena
6h 04m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
$177
Alaska Airlines
Feb 28
RDM9:02 amBend/Redmond
5h 57m
1 stop
HLN3:59 pmHelena
Mar 3
HLN4:36 pmHelena
5h 56m
1 stop
RDM9:32 pmBend/Redmond
$197
Alaska Airlines
Mar 3
BOI11:54 amBoise Air Term. Gowen Fld
4h 05m
1 stop
HLN3:59 pmHelena
Mar 4
HLN4:36 pmHelena
6h 04m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
$207

Delta flights from Oregon to Helena

Our best Delta deals on Oregon to Helena flight tickets
Delta
May 9
PDX6:00 amPortland
5h 20m
1 stop
HLN12:20 pmHelena
May 13
HLN5:45 amHelena
4h 10m
1 stop
PDX8:55 amPortland
$187
Delta
Apr 4
BOI6:15 pmBoise Air Term. Gowen Fld
4h 15m
1 stop
HLN10:30 pmHelena
Apr 11
HLN5:30 amHelena
6h 35m
1 stop
BOI12:05 pmBoise Air Term. Gowen Fld
$266
Delta
Feb 21
PDX5:25 pmPortland
4h 02m
1 stop
HLN10:27 pmHelena
Feb 25
HLN5:30 amHelena
4h 45m
1 stop
PDX9:15 amPortland
$336

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Oregon to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 3/3

11:54 am-3:59 pm

1 stop4h 05m

Helena

Wed 3/4

4:36 pm-10:40 pm

1 stop6h 04m

$177

PortlandHelena

PDX - HLN

PDXHLN

Portland

Sat 5/9

6:00 am-12:20 pm

1 stop5h 20m

Helena

Wed 5/13

5:45 am-8:55 am

1 stop4h 10m

$187

RedmondHelena

RDM - HLN

RDMHLN

Bend/Redmond

Sat 2/28

9:02 am-3:59 pm

1 stop5h 57m

Helena

Tue 3/3

4:36 pm-9:32 pm

1 stop5h 56m

$197

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 3/3

11:54 am-3:59 pm

1 stop4h 05m

Helena

Wed 3/4

4:36 pm-10:40 pm

1 stop6h 04m

$207

PortlandHelena

PDX - HLN

PDXHLN

Portland

Sat 5/9

6:00 am-5:45 pm

1 stop10h 45m

Helena

Wed 5/13

4:43 pm-9:34 pm

1 stop5h 51m

$237

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 3/3

5:40 am-3:59 pm

2 stops10h 19m

Helena

Wed 3/4

4:36 pm-10:40 pm

1 stop6h 04m

$245

PortlandHelena

PDX - HLN

PDXHLN

Portland

Sat 5/9

11:59 am-5:45 pm

1 stop4h 46m

Helena

Wed 5/13

4:43 pm-9:34 pm

1 stop5h 51m

$257

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 4/4

6:15 pm-10:30 pm

1 stop4h 15m

Helena

Sat 4/11

5:30 am-12:05 pm

1 stop6h 35m

$266

RedmondHelena

RDM - HLN

RDMHLN

Bend/Redmond

Sat 2/28

5:09 am-3:59 pm

2 stops9h 50m

Helena

Tue 3/3

4:36 pm-9:32 pm

1 stop5h 56m

$285

PortlandHelena

PDX - HLN

PDXHLN

Portland

Sat 5/9

11:59 am-5:45 pm

1 stop4h 46m

Helena

Wed 5/13

4:43 pm-1:33 pm

2 stops21h 50m

$291

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Helena from

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

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 March is also cheap. Prices for this month can be found on momondo for an average of $342.

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 52m

Direct flights

None
The fastest flight from Oregon to Helena takes 3h 52m
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?

  • 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
DeltaPriceFrom $158Free CancellationRating
7.9
8,172 reviews
Search Delta flights
Alaska AirlinesPriceFrom $304Free CancellationRating
8.0
11,851 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.

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