Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Helena to Portland from $243

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
4:49 pm - 7:53 pmHLN  Helena-PDX Portland
4h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:32 pm - 4:12 pmPDX  Portland-HLN Helena
21h 40m1 stop Seattle/Tacoma Intl
$413Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
4:49 pm - 7:53 pmHLN  Helena-PDX Portland
4h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:40 pm - 4:12 pmPDX  Portland-HLN Helena
21h 32m2 stops San Francisco Seattle/Tacoma Intl
$431Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Delta Logo
7:15 am - 12:03 pmHLN  Helena-PDX Portland
5h 48m1 stop Salt Lake City
Delta Logo
3:31 pm - 12:28 pmPDX  Portland-HLN Helena
19h 57m2 stops Seattle/Tacoma Intl Salt Lake City
$444Delta
Wed, Nov 4 - Fri, Nov 6
Delta Logo
7:15 am - 2:51 pmHLN  Helena-PDX Portland
8h 36m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
3:31 pm - 12:28 pmPDX  Portland-HLN Helena
19h 57m2 stops Seattle/Tacoma Intl Salt Lake City
$449Delta
Wed, Nov 4 - Fri, Nov 6
Delta Logo
7:15 am - 8:00 pmHLN  Helena-PDX Portland
13h 45m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
5:15 pm - 10:29 pmPDX  Portland-HLN Helena
4h 14m1 stop Salt Lake City
$454Delta
Wed, Nov 4 - Sat, Nov 7
Delta Logo
7:15 am - 8:00 pmHLN  Helena-PDX Portland
13h 45m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
5:33 am - 12:28 pmPDX  Portland-HLN Helena
5h 55m1 stop Salt Lake City
$454Delta
Wed, Nov 4 - Sun, Nov 8
Delta Logo
7:15 am - 12:03 pmHLN  Helena-PDX Portland
5h 48m1 stop Salt Lake City
Delta Logo
5:35 am - 12:28 pmPDX  Portland-HLN Helena
5h 53m1 stop Salt Lake City
$465Delta
Wed, Nov 4 - Sat, Nov 7
Delta Logo
7:15 am - 12:03 pmHLN  Helena-PDX Portland
5h 48m1 stop Salt Lake City
Delta Logo
5:15 pm - 10:24 pmPDX  Portland-HLN Helena
4h 09m1 stop Salt Lake City
$465Delta
Wed, Nov 4 - Fri, Nov 6
Delta Logo
7:15 am - 12:03 pmHLN  Helena-PDX Portland
5h 48m1 stop Salt Lake City
Delta Logo
5:33 am - 12:28 pmPDX  Portland-HLN Helena
5h 55m1 stop Salt Lake City
$465Delta
Wed, Nov 4 - Sun, Nov 8
Delta Logo
1:08 pm - 8:46 amHLN  Helena-PDX Portland
20h 38m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
5:15 pm - 10:29 pmPDX  Portland-HLN Helena
4h 14m1 stop Salt Lake City
$484Delta
Wed, Nov 4 - Sat, Nov 7

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Helena to Portland

Our best Delta deals on Helena to Portland flight tickets
Delta
Nov 4
HLN7:15 amHelena
5h 48m
1 stop
PDX12:03 pmPortland
Nov 6
PDX3:31 pmPortland
19h 57m
2 stops
HLN12:28 pmHelena
$444
Delta
Nov 4
HLN7:15 amHelena
13h 45m
2 stops
PDX8:00 pmPortland
Nov 8
PDX5:33 amPortland
5h 55m
1 stop
HLN12:28 pmHelena
$454
Delta
Nov 4
HLN7:15 amHelena
5h 48m
1 stop
PDX12:03 pmPortland
Nov 6
PDX5:15 pmPortland
4h 09m
1 stop
HLN10:24 pmHelena
$465

Alaska Airlines flights from Helena to Portland

Our best Alaska Airlines deals on Helena to Portland flight tickets
Alaska Airlines
Dec 5
HLN4:49 pmHelena
4h 04m
1 stop
PDX7:53 pmPortland
Dec 8
PDX5:32 pmPortland
21h 40m
1 stop
HLN4:12 pmHelena
$413
Alaska Airlines
Dec 5
HLN4:49 pmHelena
4h 04m
1 stop
PDX7:53 pmPortland
Dec 8
PDX5:40 pmPortland
21h 32m
2 stops
HLN4:12 pmHelena
$431
Alaska Airlines
Dec 12
HLN4:49 pmHelena
5h 05m
1 stop
PDX8:54 pmPortland
Jan 14
PDX8:30 amPortland
6h 53m
1 stop
HLN4:23 pmHelena
$438

momondo Fare Finder

 
Use the filters below to find and compare flights from Helena to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Sat 12/5

4:49 pm-7:53 pm

1 stop4h 04m

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-7:53 pm

1 stop4h 04m

Portland

Tue 12/8

5:40 pm-4:12 pm

2 stops21h 32m

$431

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

7:15 am-12:03 pm

1 stop5h 48m

Portland

Fri 11/6

3:31 pm-12:28 pm

2 stops19h 57m

$444

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

7:15 am-2:51 pm

2 stops8h 36m

Portland

Fri 11/6

3:31 pm-12:28 pm

2 stops19h 57m

$449

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

7:15 am-8:00 pm

2 stops13h 45m

Portland

Sat 11/7

5:15 pm-10:29 pm

1 stop4h 14m

$454

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

7:15 am-8:00 pm

2 stops13h 45m

Portland

Sun 11/8

5:33 am-12:28 pm

1 stop5h 55m

$454

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

7:15 am-12:03 pm

1 stop5h 48m

Portland

Sat 11/7

5:35 am-12:28 pm

1 stop5h 53m

$465
Quickest round-trip

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

7:15 am-12:03 pm

1 stop5h 48m

Portland

Fri 11/6

5:15 pm-10:24 pm

1 stop4h 09m

$465

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

7:15 am-12:03 pm

1 stop5h 48m

Portland

Sun 11/8

5:33 am-12:28 pm

1 stop5h 55m

$465

HelenaPortland

HLN Helena - PDX Portland

HLNPDX

Helena

Wed 11/4

1:08 pm-8:46 am

2 stops20h 38m

Portland

Sat 11/7

5:15 pm-10:29 pm

1 stop4h 14m

$484

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portland from

How to get the cheapest flight ticket from Helena to Portland

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 airline that flies from Helena to Portland?

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

When to book flights from Helena to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Portland (HLN to PDX) flight deals and tips

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

Best Price Found

$243

Fastest flight time

6h 03m

Direct flights

None
The best one-way flight to Portland from Helena in the past 72 hours is $243. The best round-trip flight deal from Helena to Portland found on momondo in the last 72 hours is $413.
The fastest flight from Helena to Portland takes 6h 03m
There are no direct flights from Helena to Portland. There are no popular flight routes from Helena to Portland.
Search flight deals

Frequently asked questions about flying from Helena to Portland

  • How far is Helena to Portland by plane?

    Portland is 514.7 mi away from Helena. By plane, this route typically takes 6h 03m.

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

    Prices for flights from Helena Airport to Portland Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Helena to Portland?

Best airlines flying from Helena to Portland

Compare and see reviews for airlines that fly from Helena to Portland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $212Free CancellationRating
7.8
8,615 reviews
Search Delta flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Vancouver
Cannon Beach
Salem
Astoria
Beaverton
Long Beach
Hillsboro
Rockaway Beach
Tigard
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
McMinnville
Wilsonville
Depoe Bay

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helena to Portland. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Helena to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Helena.

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

Yes momondo offers price alerts on flights to Portland 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.

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/31
Sat 11/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States