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

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

When did momondo last update prices for flights from Helena Airport to Oregon?

Prices for flights from Helena Airport to Oregon refresh daily.

How many operators does momondo search for flights from Helena Airport to Oregon?

As of October 2026, there is 1 operator available to choose from for flights from Helena Airport to Oregon.

How old do you have to be to fly from Helena Airport to Oregon?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Oregon.

What documentation or ID do you need to fly to Oregon?

The necessary travel and health documents for your Oregon trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$248 Cheap Flights from Helena to Oregon in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Oregon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:49 pm - 8:54 pmHLN Helena-PDX Portland

5h 05m1 stop Seattle/Tacoma Intl

5:32 pm - 4:12 pmPDX Portland-HLN Helena

21h 40m1 stop Seattle/Tacoma Intl

$413Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

4:49 pm - 9:52 pmHLN Helena-PDX Portland

6h 03m1 stop Seattle/Tacoma Intl

2:41 pm - 4:12 pmPDX Portland-HLN Helena

24h 31m2 stops San Francisco Seattle/Tacoma Intl

$431Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

5:45 am - 9:16 amHLN Helena-PDX Portland

4h 31m1 stop Salt Lake City

6:00 am - 12:24 pmPDX Portland-HLN Helena

5h 24m1 stop Salt Lake City

$485Delta

Mon, Jan 4 - Fri, Jan 8

12:50 pm - 7:03 pmHLN Helena-PDX Portland

7h 13m2 stops Salt Lake City Seattle/Tacoma Intl

6:00 am - 12:24 pmPDX Portland-HLN Helena

5h 24m1 stop Salt Lake City

$490Delta

Mon, Jan 4 - Thu, Jan 7

12:50 pm - 7:03 pmHLN Helena-PDX Portland

7h 13m2 stops Salt Lake City Seattle/Tacoma Intl

5:05 pm - 10:41 pmPDX Portland-HLN Helena

4h 36m1 stop Salt Lake City

$490Delta

Sun, Feb 28 - Fri, Mar 5

1:07 pm - 6:55 pmHLN Helena-PDX Portland

6h 48m2 stops Salt Lake City Seattle/Tacoma Intl

5:45 am - 12:27 pmPDX Portland-HLN Helena

5h 42m1 stop Salt Lake City

$510Delta

Thu, Nov 12 - Sun, Nov 15

1:07 pm - 6:55 pmHLN Helena-PDX Portland

6h 48m2 stops Salt Lake City Seattle/Tacoma Intl

5:45 am - 12:27 pmPDX Portland-HLN Helena

5h 42m1 stop Salt Lake City

$510Delta

Tue, Nov 10 - Tue, Nov 17

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

5h 15m1 stop Seattle/Tacoma Intl

10:11 am - 4:04 pmRDM Bend/Redmond-HLN Helena

4h 53m1 stop Seattle/Tacoma Intl

$515Alaska Airlines

Sat, Nov 7 - Tue, Nov 10

7:15 am - 12:03 pmHLN Helena-PDX Portland

5h 48m1 stop Salt Lake City

5:45 am - 12:27 pmPDX Portland-HLN Helena

5h 42m1 stop Salt Lake City

$525Delta

Wed, Nov 4 - Sat, Nov 14

2:23 pm - 9:18 pmHLN Helena-MFR Medford

7h 55m1 stop Denver Intl

1:00 pm - 9:31 pmMFR Medford-HLN Helena

7h 31m1 stop Denver Intl

$557United Airlines

Fri, Nov 6 - Tue, Nov 10

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Alaska Airlines flights from Helena to Oregon

Our best Alaska Airlines deals on Helena to Oregon flight tickets

Alaska Airlines

Dec 5

HLN4:49 pmHelena

5h 05m

1 stop

PDX8:54 pmPortland

Dec 8

PDX5:32 pmPortland

21h 40m

1 stop

HLN4:12 pmHelena

$413

Alaska Airlines

Dec 5

HLN4:49 pmHelena

6h 03m

1 stop

PDX9:52 pmPortland

Dec 8

PDX2:41 pmPortland

24h 31m

2 stops

HLN4:12 pmHelena

$431

Alaska Airlines

Feb 28

HLN4:08 pmHelena

16h 47m

1 stop

PDX7:55 amPortland

Mar 5

PDX5:35 pmPortland

20h 56m

1 stop

HLN3:31 pmHelena

$438

Delta flights from Helena to Oregon

Our best Delta deals on Helena to Oregon flight tickets

Delta

Jan 4

HLN5:45 amHelena

4h 31m

1 stop

PDX9:16 amPortland

Jan 8

PDX6:00 amPortland

5h 24m

1 stop

HLN12:24 pmHelena

$485

Delta

Jan 4

HLN12:50 pmHelena

7h 13m

2 stops

PDX7:03 pmPortland

Jan 7

PDX6:00 amPortland

5h 24m

1 stop

HLN12:24 pmHelena

$490

Delta

Nov 10

HLN1:07 pmHelena

6h 48m

2 stops

PDX6:55 pmPortland

Nov 17

PDX5:45 amPortland

5h 42m

1 stop

HLN12:27 pmHelena

$510

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Sat 12/5

4:49 pm-8:54 pm

1 stop5h 05m

Portland

Tue 12/8

5:32 pm-4:12 pm

1 stop21h 40m

$413

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Sat 12/5

4:49 pm-9:52 pm

1 stop6h 03m

Portland

Tue 12/8

2:41 pm-4:12 pm

2 stops24h 31m

$431

Quickest round-trip

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Mon 1/4

5:45 am-9:16 am

1 stop4h 31m

Portland

Fri 1/8

6:00 am-12:24 pm

1 stop5h 24m

$485

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Mon 1/4

12:50 pm-7:03 pm

2 stops7h 13m

Portland

Thu 1/7

6:00 am-12:24 pm

1 stop5h 24m

$490

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Sun 2/28

12:50 pm-7:03 pm

2 stops7h 13m

Portland

Fri 3/5

5:05 pm-10:41 pm

1 stop4h 36m

$490

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Thu 11/12

1:07 pm-6:55 pm

2 stops6h 48m

Portland

Sun 11/15

5:45 am-12:27 pm

1 stop5h 42m

$510

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Tue 11/10

1:07 pm-6:55 pm

2 stops6h 48m

Portland

Tue 11/17

5:45 am-12:27 pm

1 stop5h 42m

$510

HelenaRedmond

HLN Helena - RDM Bend/Redmond

HLNRDM

Helena

Sat 11/7

4:41 pm-8:56 pm

1 stop5h 15m

Bend/Redmond

Tue 11/10

10:11 am-4:04 pm

1 stop4h 53m

$515

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

7:15 am-12:03 pm

1 stop5h 48m

Portland

Sat 11/14

5:45 am-12:27 pm

1 stop5h 42m

$525

HelenaMedford

HLN Helena - MFR Medford

HLNMFR

Helena

Fri 11/6

2:23 pm-9:18 pm

1 stop7h 55m

Medford

Tue 11/10

1:00 pm-9:31 pm

1 stop7h 31m

$557

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 Helena to Oregon

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

Can stopping save me money on Helena to Oregon flights?

You could potentially save up to 62% on your flight if you consider stops on a Helena to Oregon flight.

Cheap Helena to Oregon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Oregon

Best Price Found	$248
Fastest flight time	4h 31m
Direct flights	None

The best one-way flight to Oregon from Helena in the past 72 hours is $248. The best round-trip flight deal from Helena to Oregon found on momondo in the last 72 hours is $413.

The fastest flight from Helena to Oregon takes 4h 31m

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

Search flight deals

Frequently asked questions about flying from Helena to Oregon

When did momondo last update prices for flights from Helena Airport to Oregon?
Prices for flights from Helena Airport to Oregon refresh daily.
How many operators does momondo search for flights from Helena Airport to Oregon?
As of October 2026, there is 1 operator available to choose from for flights from Helena Airport to Oregon.
How old do you have to be to fly from Helena Airport to Oregon?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Oregon.
What documentation or ID do you need to fly to Oregon?
The necessary travel and health documents for your Oregon trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Helena to Oregon

Compare and see reviews for airlines that fly from Helena to Oregon with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $212	Free Cancellation	Rating 7.8 8,650 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Oregon?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to Oregon. momondo saves you time and could save you money on your trip.

Can I find flights from Helena to Oregon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Oregon from Helena with this policy.

How can momondo help me find flights from Helena to Oregon?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helena to Oregon.

I’m not ready to book a flight from Helena to Oregon right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Oregon from Helena. 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.