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$316+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BIL
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$418
(United Airlines)

One-way from

$316
(Delta)
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 July 2, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 7/153:37 pmPWM - BIL
1 stop9h 10mUnited Airlines
Sat 7/1910:30 amBIL - PWM
2 stops10h 44mUnited Airlines
Deal found 6/30$418
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/81:05 pmPWM - BIL
2 stops12h 02mAmerican Airlines
Mon 7/2812:35 pmBIL - PWM
1 stop8h 17mAmerican Airlines
Deal found 6/30$502

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 July 2, 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

Tue 7/15

3:37 pm-10:47 pm

1 stop9h 10m

Billings Logan Intl

Sat 7/19

10:30 am-11:14 pm

2 stops10h 44m

$418

PortlandBillings

PWM - BIL

PWMBIL

Portland

Mon 9/1

6:30 am-11:49 am

1 stop7h 19m

Billings Logan Intl

Fri 9/5

6:00 am-2:58 pm

1 stop6h 58m

$530

PortlandBillings

PWM - BIL

PWMBIL

Portland

Tue 7/8

5:00 pm-11:10 pm

2 stops8h 10m

$316

PortlandBillings

PWM - BIL

PWMBIL

Portland

Tue 7/8

6:10 am-11:36 am

1 stop7h 26m

$356

PortlandBillings

PWM - BIL

PWMBIL

Portland

Tue 7/8

12:03 pm-10:11 pm

2 stops12h 08m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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, February 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 $512). 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 July 2, 2025.
Read through reviews of airlines operating flights from Portland to Billings, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Our cheapest airline available from Portland, Maine to Billings is United Airlines. Our recent data shows that you can find tickets from as low as $418 on this airline. An additional option worth looking into is American Airlines, starting at $530.

  • What are the cheapest airlines to fly from Portland, Maine to Billings one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $316. Users have also found prices from $356 and $391 on United Airlines and American Airlines, respectively.

  • 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, February 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 $512). 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$353Average$632FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$520Average$633FlexibilityNo cancel feeOn-time69%

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