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Cheap flights from Helena to Portland from $299

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 6/8. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 3:41 pm
HLN
-
PWM
7h 26m
1 stop
United Airlines Logo
3:32 pm - 9:20 pm
PWM
-
HLN
7h 48m
1 stop
$718United Airlines
Sat, May 16 - Sat, May 23
United Airlines Logo
6:15 am - 9:19 pm
HLN
-
PWM
13h 04m
2 stops
United Airlines Logo
3:32 pm - 9:20 pm
PWM
-
HLN
7h 48m
1 stop
$748United Airlines
Sat, May 16 - Sat, May 23
United Airlines Logo
6:15 am - 9:40 pm
HLN
-
PWM
13h 25m
2 stops
United Airlines Logo
10:00 am - 9:33 pm
PWM
-
HLN
13h 33m
2 stops
$829United Airlines
Thu, Apr 16 - Mon, Apr 20
Delta Logo
5:45 am - 11:09 pm
HLN
-
PWM
15h 24m
2 stops
Delta Logo
12:55 pm - 10:33 pm
PWM
-
HLN
11h 38m
2 stops
$852Delta
Sat, May 16 - Sat, May 23
United Airlines Logo
2:20 pm - 11:51 pm
HLN
-
PWM
31h 31m
2 stops
United Airlines Logo
7:16 pm - 1:33 pm
PWM
-
HLN
20h 17m
2 stops
$992United Airlines
Fri, Jun 19 - Sat, Jun 27
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
$1,029United Airlines
Tue, Jun 9 - Mon, Jun 15
Delta Logo
5:25 am - 5:52 pm
HLN
-
PWM
10h 27m
2 stops
Delta Logo
12:40 pm - 10:41 pm
PWM
-
HLN
12h 01m
2 stops
$1,077Delta
Tue, Jun 9 - Mon, Jun 15
United Airlines Logo
6:15 am - 9:40 pm
HLN
-
PWM
13h 25m
2 stops
United Airlines Logo
11:09 am - 9:33 pm
PWM
-
HLN
12h 24m
3 stops
$1,083United Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
6:15 am - 3:49 pm
HLN
-
PWM
7h 34m
1 stop
United Airlines Logo
10:55 am - 9:20 pm
PWM
-
HLN
12h 25m
2 stops
$1,111United Airlines
Tue, Jun 9 - Mon, Jun 15
United Airlines Logo
2:20 pm - 11:51 pm
HLN
-
PWM
31h 31m
2 stops
United Airlines Logo
3:32 pm - 1:33 pm
PWM
-
HLN
24h 01m
1 stop
$1,126United Airlines
Fri, Jun 19 - Sat, Jun 27

Delta flights from Helena to Portland, Maine

Our best Delta deals on Helena to Portland, Maine flight tickets
Delta
May 16
HLN5:45 amHelena
15h 24m
2 stops
PWM11:09 pmPortland
May 23
PWM12:55 pmPortland
11h 38m
2 stops
HLN10:33 pmHelena
$852
Delta
Jun 9
HLN5:25 amHelena
10h 27m
2 stops
PWM5:52 pmPortland
Jun 15
PWM12:40 pmPortland
12h 01m
2 stops
HLN10:41 pmHelena
$1,077
Delta
Jul 25
HLN7:00 amHelena
14h 14m
2 stops
PWM11:14 pmPortland
Aug 8
PWM2:51 pmPortland
9h 49m
2 stops
HLN10:40 pmHelena
$4,954

United Airlines flights from Helena to Portland, Maine

Our best United Airlines deals on Helena to Portland, Maine flight tickets
United Airlines
May 16
HLN6:15 amHelena
7h 26m
1 stop
PWM3:41 pmPortland
May 23
PWM3:32 pmPortland
7h 48m
1 stop
HLN9:20 pmHelena
$718
United Airlines
May 16
HLN6:15 amHelena
13h 04m
2 stops
PWM9:19 pmPortland
May 23
PWM3:32 pmPortland
7h 48m
1 stop
HLN9:20 pmHelena
$748
United Airlines
Apr 16
HLN6:15 amHelena
13h 25m
2 stops
PWM9:40 pmPortland
Apr 20
PWM10:00 amPortland
13h 33m
2 stops
HLN9:33 pmHelena
$829

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 April 5, 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
Quickest round-trip

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 5/16

6:15 am-3:41 pm

1 stop7h 26m

Portland

Sat 5/23

3:32 pm-9:20 pm

1 stop7h 48m

$718

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 5/16

6:15 am-9:19 pm

2 stops13h 04m

Portland

Sat 5/23

3:32 pm-9:20 pm

1 stop7h 48m

$748

HelenaPortland

HLN - PWM

HLNPWM

Helena

Thu 4/16

6:15 am-9:40 pm

2 stops13h 25m

Portland

Mon 4/20

10:00 am-9:33 pm

2 stops13h 33m

$829

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 5/16

5:45 am-11:09 pm

2 stops15h 24m

Portland

Sat 5/23

12:55 pm-10:33 pm

2 stops11h 38m

$852

HelenaPortland

HLN - PWM

HLNPWM

Helena

Fri 6/19

2:20 pm-11:51 pm

2 stops31h 31m

Portland

Sat 6/27

7:16 pm-1:33 pm

2 stops20h 17m

$992

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 6/9

6:15 am-3:49 pm

1 stop7h 34m

Portland

Mon 6/15

3:31 pm-9:20 pm

1 stop7h 49m

$1,029

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 6/9

5:25 am-5:52 pm

2 stops10h 27m

Portland

Mon 6/15

12:40 pm-10:41 pm

2 stops12h 01m

$1,077

HelenaPortland

HLN - PWM

HLNPWM

Helena

Thu 4/16

6:15 am-9:40 pm

2 stops13h 25m

Portland

Mon 4/20

11:09 am-9:33 pm

3 stops12h 24m

$1,083

HelenaPortland

HLN - PWM

HLNPWM

Helena

Tue 6/9

6:15 am-3:49 pm

1 stop7h 34m

Portland

Mon 6/15

10:55 am-9:20 pm

2 stops12h 25m

$1,111

HelenaPortland

HLN - PWM

HLNPWM

Helena

Fri 6/19

2:20 pm-11:51 pm

2 stops31h 31m

Portland

Sat 6/27

3:32 pm-1:33 pm

1 stop24h 01m

$1,126

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

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

Alaska Airlines and United Airlines are the most popular carriers operating from Helena to Portland

What airlines fly to Portland, Maine?

United Airlines, Delta and JetBlue are the top three most popular airlines that fly to Portland, Maine from Helena according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

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

7h 26m

Direct flights

None
The fastest flight from Helena to Portland, Maine takes 7h 26m
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 7h 26m, 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
Conway
Freeport
Lewiston
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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