What airlines fly to Helena?

Delta, JetBlue and United Airlines are the top three most popular airlines that fly to Helena from Portland, Maine according to our data. Delta is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 6 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Portland Airport to Helena Airport are refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Helena Airport.

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

The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$497 Cheap Flights from Portland to Helena in 2025/26

1 adult

0 bags

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Find the cheapest flights from Portland, Maine to Helena

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Cheap round-trip flights

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12:53 pm - 10:30 pmPWM-HLN

11h 37m2 stops

1:06 pm - 1:54 pmHLN-PWM

22h 48m2 stops

$497Delta

Find Deal

Sat, Dec 6 - Tue, Dec 9

12:53 pm - 10:30 pmPWM-HLN

11h 37m2 stops

1:06 pm - 4:07 pmHLN-PWM

25h 01m2 stops

$502Delta

Find Deal

Sat, Dec 6 - Tue, Dec 9

6:00 am - 9:22 pmPWM-HLN

17h 22m3 stops

6:30 am - 6:54 pmHLN-PWM

10h 24m2 stops

$513United Airlines

Find Deal

Sat, Dec 6 - Tue, Dec 9

Delta flights from Portland, Maine to Helena

Our best Delta deals on Portland, Maine to Helena flight tickets

Delta

Dec 6

PWM12:53 pmPortland

11h 37m

2 stops

HLN10:30 pmHelena

Dec 9

HLN1:06 pmHelena

22h 48m

2 stops

PWM1:54 pmPortland

$497

Find similar

Delta

Dec 6

PWM12:53 pmPortland

11h 37m

2 stops

HLN10:30 pmHelena

Dec 9

HLN1:06 pmHelena

25h 01m

2 stops

PWM4:07 pmPortland

$502

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sat 12/6

12:53 pm-10:30 pm

2 stops11h 37m

Helena

Tue 12/9

1:06 pm-1:54 pm

2 stops22h 48m

$497

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sat 12/6

12:53 pm-10:30 pm

2 stops11h 37m

Helena

Tue 12/9

1:06 pm-4:07 pm

2 stops25h 01m

$502

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sat 12/6

6:00 am-9:22 pm

3 stops17h 22m

Helena

Tue 12/9

6:30 am-6:54 pm

2 stops10h 24m

$513

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine 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

Can stopping save me money on Portland, Maine to Helena flights?

You could potentially save up to 18% on your flight if you consider stops on a Portland, Maine to Helena flight.

When to book flights from Portland, Maine to Helena

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

Estimated round-trip price

Cheap Portland, Maine to Helena (PWM to HLN) flight deals and tips

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

Direct flights	None

There are no direct flights from Portland, Maine to Helena. There are no popular flight routes from Portland, Maine to Helena.

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How far is Portland to Helena by plane?
There are 2021.4 mi between Portland and Helena. Typically, this will take 11h 37m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to Helena Airport?
Prices for flights from Portland Airport to Helena Airport are refreshed on a daily basis.
How old do you have to be to fly from Portland Airport to Helena Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Portland 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 Portland to Helena with flexible booking policies on momondo?

Yes. All flights to Helena from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Portland to Helena flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Portland to Helena flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.