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Cheap flights from Billings to Portland from $399

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Portland departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Delta Logo
6:25 am - 10:19 pmBIL-PWM
13h 54m2 stops
Delta Logo
4:53 pm - 11:24 pmPWM-BIL
8h 31m2 stops
$399Delta
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Tue, Nov 18 - Sat, Nov 22
United Airlines Logo
7:00 am - 3:48 pmBIL-PWM
6h 48m1 stop
United Airlines Logo
9:54 am - 9:18 pmPWM-BIL
13h 24m2 stops
$458United Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22
Delta Logo
6:25 am - 4:07 pmBIL-PWM
7h 42m2 stops
Delta Logo
5:45 am - 11:12 amPWM-BIL
31h 27m2 stops
$569Delta
Find Deal
Mon, Dec 15 - Wed, Dec 31
United Airlines Logo
7:00 am - 9:50 pmBIL-PWM
12h 50m2 stops
United Airlines Logo
6:00 am - 5:16 pmPWM-BIL
13h 16m2 stops
$621United Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
United Airlines Logo
7:00 am - 9:27 pmBIL-PWM
12h 27m2 stops
United Airlines Logo
11:17 am - 8:51 pmPWM-BIL
11h 34m2 stops
$641United Airlines
Find Deal
Wed, Apr 1 - Thu, Apr 2
United Airlines Logo
7:00 am - 3:38 pmBIL-PWM
6h 38m1 stop
United Airlines Logo
5:30 am - 9:18 pmPWM-BIL
17h 48m2 stops
$649United Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
United Airlines Logo
7:00 am - 9:27 pmBIL-PWM
12h 27m2 stops
United Airlines Logo
11:17 am - 8:51 pmPWM-BIL
11h 34m2 stops
$651United Airlines
Find Deal
Wed, Apr 1 - Thu, Apr 2
American Airlines Logo
5:10 am - 4:28 pmBIL-PWM
9h 18m2 stops
American Airlines Logo
5:48 am - 9:14 pmPWM-BIL
17h 26m2 stops
$809American Airlines
Find Deal
Wed, Dec 17 - Tue, Dec 30
American Airlines Logo
1:54 pm - 11:48 pmBIL-PWM
7h 54m2 stops
American Airlines Logo
12:36 pm - 10:54 pmPWM-BIL
12h 18m2 stops
$921American Airlines
Find Deal
Sat, Dec 20 - Wed, Dec 31
American Airlines Logo
6:00 am - 9:35 pmBIL-PWM
13h 35m3 stops
American Airlines Logo
7:02 am - 9:15 pmPWM-BIL
16h 13m2 stops
$1,008American Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22

American Airlines flights from Billings to Portland, Maine

Our best American Airlines deals on Billings to Portland, Maine flight tickets
American Airlines
Dec 17
BIL5:10 amBillings Logan Intl
9h 18m
2 stops
PWM4:28 pmPortland
Dec 30
PWM5:48 amPortland
17h 26m
2 stops
BIL9:14 pmBillings Logan Intl
$809
Find similar
American Airlines
Dec 20
BIL1:54 pmBillings Logan Intl
7h 54m
2 stops
PWM11:48 pmPortland
Dec 31
PWM12:36 pmPortland
12h 18m
2 stops
BIL10:54 pmBillings Logan Intl
$921
Find similar
American Airlines
Nov 18
BIL6:00 amBillings Logan Intl
13h 35m
3 stops
PWM9:35 pmPortland
Nov 22
PWM7:02 amPortland
16h 13m
2 stops
BIL9:15 pmBillings Logan Intl
$1,008
Find similar

United Airlines flights from Billings to Portland, Maine

Our best United Airlines deals on Billings to Portland, Maine flight tickets
United Airlines
Nov 18
BIL7:00 amBillings Logan Intl
6h 48m
1 stop
PWM3:48 pmPortland
Nov 22
PWM9:54 amPortland
13h 24m
2 stops
BIL9:18 pmBillings Logan Intl
$458
Find similar
United Airlines
Nov 19
BIL7:00 amBillings Logan Intl
12h 50m
2 stops
PWM9:50 pmPortland
Nov 23
PWM6:00 amPortland
13h 16m
2 stops
BIL5:16 pmBillings Logan Intl
$621
Find similar
United Airlines
Apr 1
BIL7:00 amBillings Logan Intl
12h 27m
2 stops
PWM9:27 pmPortland
Apr 2
PWM11:17 amPortland
11h 34m
2 stops
BIL8:51 pmBillings Logan Intl
$641
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings 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 November 5, 2025.
Use the filters below to find and compare flights from Billings to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Tue 11/18

6:25 am-10:19 pm

2 stops13h 54m

Portland

Sat 11/22

4:53 pm-11:24 pm

2 stops8h 31m

$399

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Tue 11/18

7:00 am-3:48 pm

1 stop6h 48m

Portland

Sat 11/22

9:54 am-9:18 pm

2 stops13h 24m

$458

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Mon 12/15

6:25 am-4:07 pm

2 stops7h 42m

Portland

Wed 12/31

5:45 am-11:12 am

2 stops31h 27m

$569

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Wed 11/19

7:00 am-9:50 pm

2 stops12h 50m

Portland

Sun 11/23

6:00 am-5:16 pm

2 stops13h 16m

$621

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Wed 4/1

7:00 am-9:27 pm

2 stops12h 27m

Portland

Thu 4/2

11:17 am-8:51 pm

2 stops11h 34m

$641

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Wed 11/19

7:00 am-3:38 pm

1 stop6h 38m

Portland

Sun 11/23

5:30 am-9:18 pm

2 stops17h 48m

$649

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Wed 4/1

7:00 am-9:27 pm

2 stops12h 27m

Portland

Thu 4/2

11:17 am-8:51 pm

2 stops11h 34m

$651

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Wed 12/17

5:10 am-4:28 pm

2 stops9h 18m

Portland

Tue 12/30

5:48 am-9:14 pm

2 stops17h 26m

$809

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Sat 12/20

1:54 pm-11:48 pm

2 stops7h 54m

Portland

Wed 12/31

12:36 pm-10:54 pm

2 stops12h 18m

$921

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Tue 11/18

6:00 am-9:35 pm

3 stops13h 35m

Portland

Sat 11/22

7:02 am-9:15 pm

2 stops16h 13m

$1,008

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portland from

How to get the cheapest flight ticket from Billings 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 day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Billings is on a Saturday. momondo users have found tickets for Saturday departures for as low as $601. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Billings because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $877.

When to book flights from Billings to Portland, Maine

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

Cheap Billings to Portland, Maine (BIL to PWM) flight deals and tips

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

Direct flights

None
There are no direct flights from Billings to Portland, Maine. There are no popular flight routes from Billings to Portland, Maine.
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  • How far is Billings Logan Intl to Portland by plane?

    There are 1864.0 mi between Billings Logan Intl and Portland. A reasonable flight in good conditions will take 6h 38m.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to Portland Airport?

    Prices for flights from Billings Logan Intl Airport to Portland Airport are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to Portland Airport?

  • How old do you have to be to fly from Billings Logan Intl Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl 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.

  • What is the most popular airline from Billings to Portland, Maine?

Best airlines flying from Billings to Portland, Maine

Compare and see reviews for airlines that fly from Billings to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $388Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

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
Lewiston
Freeport
Brunswick
Bartlett
Auburn
Gorham
Windham
Intervale
Oxford
Bath
Georgetown
Falmouth
Tamworth

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Billings.

Can I find flights from Billings to Portland with flexible booking policies on momondo?

All flight searches from Billings to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Billings to Portland.

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

Of course. momondo tracks the price of Billings to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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