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Cheap flights from Portland to Helena from $356

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Helena departing on 9/17. 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 Portland to Helena

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland to Helena.
9:40 am - 3:34 pmPDX-HLN
4h 54m1 stop
4:11 pm - 9:25 pmHLN-PDX
6h 14m1 stop
$356Hawaiian Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 30
5:20 pm - 10:37 pmPDX-HLN
4h 17m1 stop
5:45 am - 9:13 amHLN-PDX
4h 28m1 stop
$357Delta
Find Deal
Wed, Sep 17 - Tue, Sep 30
9:30 am - 3:31 pmPDX-HLN
5h 01m1 stop
4:11 pm - 7:18 amHLN-PDX
16h 07m1 stop
$359Alaska Airlines
Find Deal
Wed, May 21 - Sun, May 25
7:01 am - 3:31 pmPDX-HLN
7h 30m2 stops
4:11 pm - 8:52 amHLN-PDX
17h 41m1 stop
$392Alaska Airlines
Find Deal
Wed, May 21 - Sun, May 25
9:40 am - 3:34 pmPDX-HLN
4h 54m1 stop
4:11 pm - 8:25 pmHLN-PDX
5h 14m1 stop
$404Hawaiian Airlines
Find Deal
Thu, Sep 11 - Sun, Sep 14
5:30 am - 12:39 pmPDX-HLN
6h 09m2 stops
5:45 am - 9:13 amHLN-PDX
4h 28m1 stop
$405Delta
Find Deal
Wed, Sep 17 - Tue, Sep 30
7:01 am - 3:31 pmPDX-HLN
7h 30m2 stops
4:11 pm - 9:28 amHLN-PDX
18h 17m2 stops
$432Alaska Airlines
Find Deal
Wed, May 21 - Sun, May 25
3:44 pm - 1:13 pmPDX-HLN
20h 29m2 stops
2:04 pm - 10:15 amHLN-PDX
21h 11m2 stops
$646United Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 30
3:44 pm - 1:13 pmPDX-HLN
20h 29m2 stops
2:04 pm - 12:27 pmHLN-PDX
23h 23m3 stops
$683United Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 30
5:30 am - 3:34 pmPDX-HLN
9h 04m2 stops
7:00 am - 11:59 pmHLN-PDX
17h 59m3 stops
$1,015
Find Deal
Wed, Sep 17 - Tue, Sep 30

Hawaiian Airlines flights from Portland to Helena

Our best Hawaiian Airlines deals on Portland to Helena flight tickets
Hawaiian Airlines
Sep 17
PDX9:40 amPortland
4h 54m
1 stop
HLN3:34 pmHelena
Sep 30
HLN4:11 pmHelena
6h 14m
1 stop
PDX9:25 pmPortland
Hawaiian Airlines
Sep 11
PDX9:40 amPortland
4h 54m
1 stop
HLN3:34 pmHelena
Sep 14
HLN4:11 pmHelena
5h 14m
1 stop
PDX8:25 pmPortland

Delta flights from Portland to Helena

Our best Delta deals on Portland to Helena flight tickets
Delta
Sep 17
PDX5:20 pmPortland
4h 17m
1 stop
HLN10:37 pmHelena
Sep 30
HLN5:45 amHelena
4h 28m
1 stop
PDX9:13 amPortland
Delta
Sep 17
PDX5:30 amPortland
6h 09m
2 stops
HLN12:39 pmHelena
Sep 30
HLN5:45 amHelena
4h 28m
1 stop
PDX9:13 amPortland

See travel insights to Helena from

How to get the cheapest flight ticket from Portland 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 January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $288.

What is the cheapest day to depart on your flight to Helena?

The cheapest day to depart from Portland to Helena is on a Saturday. Travelers who choose to depart for Helena on a Saturday will often find tickets for as low as $321. The most expensive day to fly to Helena is Monday, with ticket prices averaging around $611.

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Portland to Helena in the afternoon for as low as $354. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the morning when prices are around $443.

When to book flights from Portland to Helena

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

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

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

Best Price Found

$356

Fastest flight time

4h 17m

Direct flights

None

Airports in Helena

1 airport
The best flight deal from Portland to Helena found on momondo in the last 72 hours is $356
The fastest flight from Portland to Helena takes 4h 17m
There are no direct flights from Portland to Helena. Popular non-direct route for this connection is Portland Airport - Helena Airport.
There is 1 airport near Helena: Helena (HLN)

  • How far is Portland to Helena by plane?

    Helena is 514.7 mi away from Portland. A reasonable flight in good conditions will take 4h 17m.

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

    Prices for flights from Portland Airport to Helena Airport refresh daily.

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

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

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

    The required travel and health documents for your Helena 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 Helena 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 Portland to Helena?


Best airlines flying from Portland to Helena

Compare and see reviews for airlines that fly from Portland to Helena with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $278Free CancellationRating
8.0
7,899 reviews
Search Delta flights
Alaska AirlinesPriceFrom $287Free CancellationRating
8.0
9,811 reviews
Search Alaska Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from Portland.

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

Flights from Portland to Helena with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Portland and Helena by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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