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Cheap flights from Helena to Portland from $462

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Portland departing on 9/29. 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 Helena to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 4:00 pm
HLN
-
PWM
7h 45m
1 stop
United Airlines Logo
9:10 am - 8:59 pm
PWM
-
HLN
13h 49m
2 stops
$472United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
7:00 am - 3:49 pm
HLN
-
PWM
6h 49m
1 stop
United Airlines Logo
3:35 pm - 8:59 pm
PWM
-
HLN
7h 24m
1 stop
$479United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
7:00 am - 3:49 pm
HLN
-
PWM
6h 49m
1 stop
United Airlines Logo
9:34 am - 8:59 pm
PWM
-
HLN
13h 25m
2 stops
$484United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:15 am - 8:02 pm
HLN
-
PWM
11h 47m
2 stops
United Airlines Logo
5:30 am - 1:27 pm
PWM
-
HLN
9h 57m
2 stops
$492United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
7:00 am - 10:57 pm
HLN
-
PWM
13h 57m
2 stops
United Airlines Logo
9:10 am - 8:59 pm
PWM
-
HLN
13h 49m
2 stops
$529United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:15 am - 9:51 pm
HLN
-
PWM
13h 36m
2 stops
United Airlines Logo
3:31 pm - 9:20 pm
PWM
-
HLN
7h 49m
1 stop
$868United Airlines
Fri, Jun 5 - Tue, Jun 9
United Airlines Logo
6:15 am - 11:51 pm
HLN
-
PWM
15h 36m
2 stops
United Airlines Logo
5:00 pm - 9:20 pm
PWM
-
HLN
30h 20m
2 stops
$973United Airlines
Sat, Jun 20 - Sat, Jun 27
United Airlines Logo
6:15 am - 3:49 pm
HLN
-
PWM
7h 34m
1 stop
United Airlines Logo
3:16 pm - 9:20 pm
PWM
-
HLN
32h 04m
2 stops
$1,025United Airlines
Wed, Jun 17 - Mon, Jun 22
United Airlines Logo
6:15 am - 3:49 pm
HLN
-
PWM
7h 34m
1 stop
United Airlines Logo
5:15 am - 9:20 pm
PWM
-
HLN
18h 05m
3 stops
$1,030United Airlines
Wed, Jun 17 - Sun, Jun 21
United Airlines Logo
6:15 am - 3:49 pm
HLN
-
PWM
7h 34m
1 stop
United Airlines Logo
3:31 pm - 9:20 pm
PWM
-
HLN
7h 49m
1 stop
$1,036United Airlines
Wed, Jun 17 - Mon, Jun 22

United Airlines flights from Helena to Portland, Maine

Our best United Airlines deals on Helena to Portland, Maine flight tickets
United Airlines
Oct 21
HLN6:15 amHelena
7h 45m
1 stop
PWM4:00 pmPortland
Oct 28
PWM9:10 amPortland
13h 49m
2 stops
HLN8:59 pmHelena
$472
United Airlines
Nov 14
HLN7:00 amHelena
6h 49m
1 stop
PWM3:49 pmPortland
Nov 17
PWM3:35 pmPortland
7h 24m
1 stop
HLN8:59 pmHelena
$479
United Airlines
Nov 14
HLN7:00 amHelena
6h 49m
1 stop
PWM3:49 pmPortland
Nov 17
PWM9:34 amPortland
13h 25m
2 stops
HLN8:59 pmHelena
$484

Delta flights from Helena to Portland, Maine

Our best Delta deals on Helena to Portland, Maine flight tickets
Delta
Jul 25
HLN7:00 amHelena
14h 14m
2 stops
PWM11:14 pmPortland
Aug 8
PWM1:02 pmPortland
11h 28m
2 stops
HLN10:30 pmHelena
$3,549
Delta
Jul 25
HLN7:00 amHelena
14h 14m
2 stops
PWM11:14 pmPortland
Aug 8
PWM1:02 pmPortland
11h 23m
2 stops
HLN10:25 pmHelena
$4,993

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Portland, Maine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 26, 2026.
Use the filters below to find and compare flights from Helena to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaPortland

HLN - PWM

HLNPWM

Helena

Wed 10/21

6:15 am-4:00 pm

1 stop7h 45m

Portland

Wed 10/28

9:10 am-8:59 pm

2 stops13h 49m

$472
Quickest round-trip

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 11/14

7:00 am-3:49 pm

1 stop6h 49m

Portland

Tue 11/17

3:35 pm-8:59 pm

1 stop7h 24m

$479

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 11/14

7:00 am-3:49 pm

1 stop6h 49m

Portland

Tue 11/17

9:34 am-8:59 pm

2 stops13h 25m

$484

HelenaPortland

HLN - PWM

HLNPWM

Helena

Wed 10/21

6:15 am-8:02 pm

2 stops11h 47m

Portland

Wed 10/28

5:30 am-1:27 pm

2 stops9h 57m

$492

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 11/14

7:00 am-10:57 pm

2 stops13h 57m

Portland

Tue 11/17

9:10 am-8:59 pm

2 stops13h 49m

$529

HelenaPortland

HLN - PWM

HLNPWM

Helena

Fri 6/5

6:15 am-9:51 pm

2 stops13h 36m

Portland

Tue 6/9

3:31 pm-9:20 pm

1 stop7h 49m

$868

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 6/20

6:15 am-11:51 pm

2 stops15h 36m

Portland

Sat 6/27

5:00 pm-9:20 pm

2 stops30h 20m

$973

HelenaPortland

HLN - PWM

HLNPWM

Helena

Wed 6/17

6:15 am-3:49 pm

1 stop7h 34m

Portland

Mon 6/22

3:16 pm-9:20 pm

2 stops32h 04m

$1,025

HelenaPortland

HLN - PWM

HLNPWM

Helena

Wed 6/17

6:15 am-3:49 pm

1 stop7h 34m

Portland

Sun 6/21

5:15 am-9:20 pm

3 stops18h 05m

$1,030

HelenaPortland

HLN - PWM

HLNPWM

Helena

Wed 6/17

6:15 am-3:49 pm

1 stop7h 34m

Portland

Mon 6/22

3:31 pm-9:20 pm

1 stop7h 49m

$1,036

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Helena to Portland, Maine

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

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

You could potentially save up to 3% on your flight if you consider stops on a Helena to Portland, Maine flight.

When to book flights from Helena to Portland, Maine

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

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

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

Fastest flight time

6h 49m

Direct flights

None
The fastest flight from Helena to Portland, Maine takes 6h 49m
There are no direct flights from Helena to Portland, Maine. There are no popular flight routes from Helena to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Helena to Portland, Maine

  • How far is Helena to Portland by plane?

    Helena and Portland are 2021.4 mi apart from one another. Flights usually cover this in 6h 49m, depending on flying conditions and air traffic around both airports.

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

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

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Lewiston
Conway
Freeport
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Helena to Portland for you.

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 for Helena to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Helena to Portland 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.

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