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Billings

$227+ Cheap flights from Portland, ME to Billings (PWM - BIL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BIL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portland to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Billings (BIL). 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 September 11, 2025.

Round-trip from

$347
(United Airlines)

One-way from

$227
(United Airlines)
From Portland to Billings Logan Intl
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One-way flight from Portland to Billings Logan Intl
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Find flight deals from Portland to Billings

Cheapest flights from Portland to Billings
Explore the most affordable flight options available from Portland to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/176:14 amPWM - BIL
1 stop7h 02mUnited Airlines
Sat 10/2511:58 amBIL - PWM
1 stop7h 46mUnited Airlines
Deal found 9/11$347
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/176:14 amPWM - BIL
1 stop7h 02mUnited Airlines
Fri 10/2411:58 amBIL - PWM
2 stops9h 15mUnited Airlines
Deal found 9/11$455
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/177:25 pmPWM - BIL
2 stops17h 51mUnited Airlines
Thu 10/2311:58 amBIL - PWM
1 stop7h 46mUnited Airlines
Deal found 9/11$461
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/176:14 amPWM - BIL
1 stop7h 36mAmerican Airlines
Fri 10/2412:20 pmBIL - PWM
1 stop21h 08mAmerican Airlines
Deal found 9/11$465
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/186:14 amPWM - BIL
1 stop7h 02mUnited Airlines
Fri 10/2411:58 amBIL - PWM
1 stop7h 46mUnited Airlines
Deal found 9/11$495
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/253:39 pmPWM - BIL
1 stop7h 10mUnited Airlines
Mon 9/297:00 amBIL - PWM
2 stops9h 23mUnited Airlines
Deal found 9/10$530
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/186:14 amPWM - BIL
2 stops9h 04mUnited Airlines
Thu 10/2311:58 amBIL - PWM
1 stop7h 46mUnited Airlines
Deal found 9/11$599

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Billings 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 September 11, 2025.
Use the filters below to find and compare flights from Portland to Billings that are best for you.

Fly from

Portland

Fly to

Billings

Route

Depart

Return

Price

PortlandBillings

PWM - BIL

PWMBIL

Portland

Fri 10/17

6:14 am-11:16 am

1 stop7h 02m

Billings Logan Intl

Sat 10/25

11:58 am-9:44 pm

1 stop7h 46m

$347

PortlandBillings

PWM - BIL

PWMBIL

Portland

Fri 10/17

6:14 am-11:16 am

1 stop7h 02m

Billings Logan Intl

Fri 10/24

11:58 am-11:13 pm

2 stops9h 15m

$455

PortlandBillings

PWM - BIL

PWMBIL

Portland

Fri 10/17

7:25 pm-11:16 am

2 stops17h 51m

Billings Logan Intl

Thu 10/23

11:58 am-9:44 pm

1 stop7h 46m

$461

PortlandBillings

PWM - BIL

PWMBIL

Portland

Sat 10/18

6:14 am-11:16 am

1 stop7h 02m

Billings Logan Intl

Thu 10/23

11:58 am-9:44 pm

1 stop7h 46m

$495

PortlandBillings

PWM - BIL

PWMBIL

Portland

Sat 10/18

6:14 am-11:16 am

1 stop7h 02m

Billings Logan Intl

Fri 10/24

11:58 am-9:44 pm

1 stop7h 46m

$495

PortlandBillings

PWM - BIL

PWMBIL

Portland

Fri 10/17

7:00 am-9:59 pm

2 stops16h 59m

Billings Logan Intl

Fri 10/24

12:20 pm-2:56 pm

1 stop24h 36m

$514

PortlandBillings

PWM - BIL

PWMBIL

Portland

Thu 9/25

3:39 pm-8:49 pm

1 stop7h 10m

Billings Logan Intl

Mon 9/29

7:00 am-6:23 pm

2 stops9h 23m

$530

PortlandBillings

PWM - BIL

PWMBIL

Portland

Tue 10/21

6:14 am-11:16 am

1 stop7h 02m

$227

PortlandBillings

PWM - BIL

PWMBIL

Portland

Wed 10/8

3:39 pm-10:46 pm

1 stop9h 07m

$227

PortlandBillings

PWM - BIL

PWMBIL

Portland

Wed 10/22

6:14 am-11:50 am

1 stop7h 36m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Portland to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Portland 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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Billings

What is the cheapest month to book a flight from Portland, Maine to Billings?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Billings (average of $396). Flying from Portland, Maine to Billings in June is currently the most expensive (average of $510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Portland to Billings, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Portland to Billings. 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 Portland, Maine to Billings?

    United Airlines can get you from Portland, Maine to Billings in just under 7h 02m. Your travel time can differ by up to . Portland, Maine and Billings are separated by a distance of 1864 mi.

  • What are the cheapest airlines flying from Portland, Maine to Billings round-trip?

    Our cheapest airline available from Portland, Maine to Billings is American Airlines. Our recent data shows that you can find tickets from as low as $311 on this airline. An additional option worth looking into is United Airlines, starting at $520.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Portland, Maine to Billings?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Billings (average of $396). Flying from Portland, Maine to Billings in June is currently the most expensive (average of $510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Portland to Billings

Discover the top 2 airlines that operate flights from Portland to Billings. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$311Average$550FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$520Average$610FlexibilityNo cancel feeOn-time69%

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