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

United Airlines is the most popular carrier operating from Portland to Helena

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 34% 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.

$358 Cheap Flights from Portland, Maine to Helena (PWM-HLN) in 2025

1 adult

0 bags

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Find the cheapest flights from Portland, Maine to Helena (PWM-HLN)

Round-trip

One-way

Cheap round-trip flights

9:45 am - 9:22 pmPWM-HLN

13h 37m2 stops

6:30 am - 11:12 pmHLN-PWM

14h 42m2 stops

$523United Airlines

Find Deal

mar., dic. 9 - sáb., dic. 13

6:00 am - 1:14 pmPWM-HLN

9h 14m2 stops

5:18 pm - 9:11 amHLN-PWM

13h 53m2 stops

$548United Airlines

Find Deal

sáb., oct. 4 - mar., oct. 7

12:50 pm - 10:37 pmPWM-HLN

11h 47m2 stops

5:40 am - 11:31 pmHLN-PWM

15h 51m2 stops

$568Delta

Find Deal

mar., dic. 9 - sáb., dic. 13

6:00 am - 9:22 pmPWM-HLN

17h 22m3 stops

6:30 am - 6:54 pmHLN-PWM

10h 24m2 stops

$574United Airlines

Find Deal

mar., dic. 9 - sáb., dic. 13

6:00 am - 9:22 pmPWM-HLN

17h 22m3 stops

6:30 am - 11:12 pmHLN-PWM

14h 42m2 stops

$604United Airlines

Find Deal

mar., dic. 9 - sáb., dic. 13

6:00 am - 1:14 pmPWM-HLN

9h 14m2 stops

5:18 pm - 3:48 pmHLN-PWM

20h 30m1 stop

$752United Airlines

Find Deal

sáb., oct. 4 - mar., oct. 7

3:39 pm - 10:14 pmPWM-HLN

8h 35m1 stop

6:30 am - 3:48 pmHLN-PWM

7h 18m1 stop

$1,156United Airlines

Find Deal

sáb., oct. 4 - mar., oct. 7

United Airlines flights from Portland, Maine to Helena

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

United Airlines

Dec 9

PWM9:45 amPortland

13h 37m

2 stops

HLN9:22 pmHelena

Dec 13

HLN6:30 amHelena

14h 42m

2 stops

PWM11:12 pmPortland

$523

Find similar

United Airlines

Oct 4

PWM6:00 amPortland

9h 14m

2 stops

HLN1:14 pmHelena

Oct 7

HLN5:18 pmHelena

13h 53m

2 stops

PWM9:11 amPortland

$548

Find similar

United Airlines

Dec 9

PWM6:00 amPortland

17h 22m

3 stops

HLN9:22 pmHelena

Dec 13

HLN6:30 amHelena

10h 24m

2 stops

PWM6:54 pmPortland

$574

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHelena

PWM - HLN

PWMHLN

Portland

mar. 12/9

9:45 am-9:22 pm

2 stops13h 37m

Helena

sáb. 12/13

6:30 am-11:12 pm

2 stops14h 42m

$523

PortlandHelena

PWM - HLN

PWMHLN

Portland

sáb. 10/4

6:00 am-1:14 pm

2 stops9h 14m

Helena

mar. 10/7

5:18 pm-9:11 am

2 stops13h 53m

$548

PortlandHelena

PWM - HLN

PWMHLN

Portland

mar. 12/9

12:50 pm-10:37 pm

2 stops11h 47m

Helena

sáb. 12/13

5:40 am-11:31 pm

2 stops15h 51m

$568

PortlandHelena

PWM - HLN

PWMHLN

Portland

mar. 12/9

6:00 am-9:22 pm

3 stops17h 22m

Helena

sáb. 12/13

6:30 am-6:54 pm

2 stops10h 24m

$574

PortlandHelena

PWM - HLN

PWMHLN

Portland

mar. 12/9

6:00 am-9:22 pm

3 stops17h 22m

Helena

sáb. 12/13

6:30 am-11:12 pm

2 stops14h 42m

$604

PortlandHelena

PWM - HLN

PWMHLN

Portland

sáb. 10/4

6:00 am-1:14 pm

2 stops9h 14m

Helena

mar. 10/7

5:18 pm-3:48 pm

1 stop20h 30m

$752

PortlandHelena

PWM - HLN

PWMHLN

Portland

sáb. 10/4

3:39 pm-10:14 pm

1 stop8h 35m

Helena

mar. 10/7

6:30 am-3:48 pm

1 stop7h 18m

$1,156

PortlandHelena

PWM - HLN

PWMHLN

Portland

lun. 9/15

6:23 pm-4:04 pm

2 stops23h 41m

$358

PortlandHelena

PWM - HLN

PWMHLN

Portland

lun. 9/15

3:35 pm-9:11 pm

1 stop7h 36m

$599

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

Best Price Found	$358
Fastest flight time	7h 36m
Direct flights	None
Airports in Helena	1 airport

The best one-way flight to Helena from Portland, Maine in the past 72 hours is $358. The best round-trip flight deal from Portland, Maine to Helena found on momondo in the last 72 hours is $523.

The fastest flight from Portland, Maine to Helena takes 7h 36m

There are no direct flights from Portland, Maine to Helena. Popular non-direct route for this connection is Portland Airport - Helena Airport.

There is 1 airport near Helena: Helena (HLN)

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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 8h 35m 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.