What airlines fly to Helena?

JetBlue, Delta and American Airlines are the top three most popular airlines that fly to Helena from Portland, Maine according to our data. JetBlue is the first choice among our users, with 30% 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.

$699 Cheap Flights from Portland to Helena in 2026

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Find the cheapest flights from Portland, Maine to Helena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:04 am - 1:39 pm

PWM

HLN

9h 35m

2 stops

6:15 am - 9:40 pm

HLN

PWM

13h 25m

2 stops

$699United Airlines

Wed, Apr 1 - Sun, Apr 5

10:43 am - 9:16 pm

PWM

HLN

12h 33m

2 stops

2:29 pm - 10:12 am

HLN

PWM

17h 43m

2 stops

$900United Airlines

Wed, Aug 26 - Thu, Aug 27

10:43 am - 9:16 pm

PWM

HLN

12h 33m

2 stops

6:15 am - 3:43 pm

HLN

PWM

7h 28m

1 stop

$963United Airlines

Wed, Aug 26 - Thu, Aug 27

6:33 pm - 1:39 pm

PWM

HLN

21h 06m

2 stops

2:25 pm - 9:40 pm

HLN

PWM

29h 15m

2 stops

$1,028United Airlines

Sun, Apr 19 - Sun, Apr 26

3:31 pm - 9:16 pm

PWM

HLN

7h 45m

1 stop

6:15 am - 3:43 pm

HLN

PWM

7h 28m

1 stop

$1,065United Airlines

Wed, Aug 26 - Thu, Aug 27

3:31 pm - 9:20 pm

PWM

HLN

7h 49m

1 stop

6:15 am - 3:49 pm

HLN

PWM

7h 34m

1 stop

$1,382United Airlines

Sun, Jul 5 - Sun, Aug 9

11:09 am - 9:33 pm

PWM

HLN

12h 24m

2 stops

6:15 am - 9:40 pm

HLN

PWM

13h 25m

3 stops

$1,481United Airlines

Sun, Apr 19 - Sun, Apr 26

11:09 am - 9:33 pm

PWM

HLN

12h 24m

3 stops

6:15 am - 9:40 pm

HLN

PWM

13h 25m

3 stops

$1,489United Airlines

Sun, Apr 19 - Sun, Apr 26

3:31 pm - 9:20 pm

PWM

HLN

7h 49m

1 stop

2:20 pm - 3:49 pm

HLN

PWM

23h 29m

1 stop

$1,491United Airlines

Sun, Jul 5 - Sun, Aug 9

12:50 pm - 10:34 pm

PWM

HLN

11h 44m

2 stops

5:45 am - 6:01 pm

HLN

PWM

10h 16m

2 stops

$2,308Delta

Sun, Jul 5 - Sun, Aug 9

United Airlines flights from Portland, Maine to Helena

Our best United Airlines deals on Portland, Maine to Helena flight tickets

United Airlines

Aug 26

PWM10:43 amPortland

12h 33m

2 stops

HLN9:16 pmHelena

Aug 27

HLN2:29 pmHelena

17h 43m

2 stops

PWM10:12 amPortland

$900

United Airlines

Aug 26

PWM10:43 amPortland

12h 33m

2 stops

HLN9:16 pmHelena

Aug 27

HLN6:15 amHelena

7h 28m

1 stop

PWM3:43 pmPortland

$963

United Airlines

Apr 19

PWM6:33 pmPortland

21h 06m

2 stops

HLN1:39 pmHelena

Apr 26

HLN2:25 pmHelena

29h 15m

2 stops

PWM9:40 pmPortland

$1,028

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHelena

PWM - HLN

PWMHLN

Portland

Wed 4/1

6:04 am-1:39 pm

2 stops9h 35m

Helena

Sun 4/5

6:15 am-9:40 pm

2 stops13h 25m

$699

PortlandHelena

PWM - HLN

PWMHLN

Portland

Wed 8/26

10:43 am-9:16 pm

2 stops12h 33m

Helena

Thu 8/27

2:29 pm-10:12 am

2 stops17h 43m

$900

PortlandHelena

PWM - HLN

PWMHLN

Portland

Wed 8/26

10:43 am-9:16 pm

2 stops12h 33m

Helena

Thu 8/27

6:15 am-3:43 pm

1 stop7h 28m

$963

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sun 4/19

6:33 pm-1:39 pm

2 stops21h 06m

Helena

Sun 4/26

2:25 pm-9:40 pm

2 stops29h 15m

$1,028

Quickest round-trip

PortlandHelena

PWM - HLN

PWMHLN

Portland

Wed 8/26

3:31 pm-9:16 pm

1 stop7h 45m

Helena

Thu 8/27

6:15 am-3:43 pm

1 stop7h 28m

$1,065

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sun 7/5

3:31 pm-9:20 pm

1 stop7h 49m

Helena

Sun 8/9

6:15 am-3:49 pm

1 stop7h 34m

$1,382

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sun 4/19

11:09 am-9:33 pm

2 stops12h 24m

Helena

Sun 4/26

6:15 am-9:40 pm

3 stops13h 25m

$1,481

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sun 4/19

11:09 am-9:33 pm

3 stops12h 24m

Helena

Sun 4/26

6:15 am-9:40 pm

3 stops13h 25m

$1,489

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sun 7/5

3:31 pm-9:20 pm

1 stop7h 49m

Helena

Sun 8/9

2:20 pm-3:49 pm

1 stop23h 29m

$1,491

PortlandHelena

PWM - HLN

PWMHLN

Portland

Sun 7/5

12:50 pm-10:34 pm

2 stops11h 44m

Helena

Sun 8/9

5:45 am-6:01 pm

2 stops10h 16m

$2,308

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 4% 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

Fastest flight time	7h 49m
Direct flights	None

The fastest flight from Portland, Maine to Helena takes 7h 49m

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

Search flight deals

How far is Portland to Helena by plane?
There are 2021.4 mi between Portland and Helena. Typically, this will take 7h 49m 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.