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$359+ Cheap flights from Billings to Portland, ME (BIL - PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — PWM
Jun 18 — Jun 251
Thu 6/18
Thu 6/25
1 adult, Economy
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Cheap flight deals from Billings to Portland

Cheapest flights from Billings to Portland
Explore the most affordable flight options available from Billings to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2026.

This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:35 am
BIL
-
PWM
2 stops10h 14m
Delta
Sat 10/3112:50 pm
PWM
-
BIL
2 stops11h 42m
Delta
Deal found 5/16$359
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am
BIL
-
PWM
2 stops12h 46m
United Airlines
Sat 10/313:35 pm
PWM
-
BIL
1 stop7h 16m
United Airlines
Deal found 5/16$434
This American Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:16 am
BIL
-
PWM
1 stop5h 50m
American Airlines
Tue 10/138:00 am
PWM
-
BIL
1 stop16h 41m
American Airlines
Deal found 5/17$508
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:35 am
BIL
-
PWM
2 stops10h 24m
Delta
Tue 10/136:00 am
PWM
-
BIL
2 stops13h 49m
Delta
Deal found 5/17$648
This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:21 pm
BIL
-
PWM
1 stop8h 29m
American Airlines
Sun 9/66:12 pm
PWM
-
BIL
1 stop19h 39m
American Airlines
Deal found 5/18$740
This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
BIL
-
PWM
1 stop9h 53m
American Airlines
Fri 8/141:30 pm
PWM
-
BIL
2 stops11h 14m
American Airlines
Deal found 5/18$750

Find flight deals from Billings to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Delta)
Provider with most accurate pricing for Billings Logan Intl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Portland flights.
Search Deals
From Billings Logan Intl to Portland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Portland 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, Cheapflights users made 2,558,603 searches. Data last updated May 19, 2026.
Use the filters below to find and compare flights from Billings to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Sat 10/24

11:35 am-11:49 pm

2 stops10h 14m

Portland

Sat 10/31

12:50 pm-10:32 pm

2 stops11h 42m

$359

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Tue 9/29

7:16 am-3:06 pm

1 stop5h 50m

Portland

Tue 10/13

8:00 am-10:41 pm

1 stop16h 41m

$508

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Tue 9/29

11:35 am-11:59 pm

2 stops10h 24m

Portland

Tue 10/13

6:00 am-5:49 pm

2 stops13h 49m

$648
Quickest round-trip

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Sat 10/24

7:00 am-4:00 pm

1 stop7h 00m

Portland

Sat 10/31

3:35 pm-8:51 pm

1 stop7h 16m

$730

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Mon 7/20

1:04 pm-12:43 am

1 stop9h 39m

Portland

Thu 7/30

6:00 am-12:19 pm

1 stop8h 19m

$803

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Mon 7/20

11:50 am-12:59 am

2 stops11h 09m

Portland

Thu 7/30

1:55 pm-10:50 pm

2 stops10h 55m

$807

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Tue 7/21

6:24 am-5:52 pm

2 stops9h 28m

Portland

Mon 8/3

12:45 pm-10:35 pm

2 stops11h 50m

$884

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Mon 7/20

6:00 pm-9:41 pm

2 stops25h 41m

Portland

Thu 7/30

5:15 am-9:17 pm

3 stops18h 02m

$924

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Thu 6/25

6:00 pm-9:41 pm

2 stops25h 41m

Portland

Fri 7/3

3:37 pm-9:36 am

1 stop19h 59m

$928

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Tue 7/21

6:00 am-10:37 pm

2 stops14h 37m

Portland

Mon 8/3

7:34 pm-12:19 pm

1 stop18h 45m

$945

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Billings to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Portland in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Portland, Maine flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billings to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Billings with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated May 19, 2026.
Read through reviews of airlines operating flights from Billings to Portland, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,733 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,733 reviews
United Airlines
7.4
Good
9,733 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Billings to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Billings to Portland, Maine?

    For as low as $730, Delta can have you in Portland, Maine from Billings in 7h. The distance from Billings to Portland, Maine is about 1864 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Billings to Portland, Maine round-trip?

    Cheapflights users have booked flights from Billings to Portland, Maine round-trip from $395.

  • Can I find deals for flights from Billings to Portland that include hotel bookings?

    Yes. In addition to deals on Billings to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Portland.

  • Can I find deals for business class flights from Billings to Portland?

    Yes. Cheapflights offers flight deals from Billings to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Lewiston
Conway

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Billings to Portland

Discover the top airline that operate flights from Billings to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$395Average$593FlexibilityNo cancel feeOn-time69%

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