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 $589.

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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $222. Users have also found prices from $262 and $265 on United Airlines and Delta, respectively.

What is the cheapest day to fly from Portland, Maine to Billings?

Travelers seeking maximum savings on their Portland, Maine to Billings flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Flights from Portland, Maine to Billings are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Billings.

What is the cheapest time of day to fly from PWM to BIL?

One of the essential ways to save on airfare from Portland, Maine to Billings is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

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.

$222+ Flights from Portland, ME to Billings

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Cheap flight deals from Portland to Billings

Round-trip from	$418 (United Airlines)
One-way from	$222 (American Airlines)

From Portland to Billings Logan Intl

Search Deals

One-way flight from Portland to Billings Logan Intl

Search Deals

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 June 12, 2025.

Fri 6/273:37 pmPWM - BIL

1 stop7h 26mUnited Airlines

Tue 7/15:00 amBIL - PWM

1 stop8h 49mUnited Airlines

Deal found 6/11

$418

Sat 7/126:15 amPWM - BIL

1 stop19h 00mAmerican Airlines

Sat 7/196:40 amBIL - PWM

2 stops14h 39mAmerican Airlines

Deal found 6/12

$589

Best flights from Portland to Billings
Discover carefully curated flight deals from Portland to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Fri 6/273:37 pmPWM - BIL

1 stop7h 26mUnited Airlines

Tue 7/15:00 amBIL - PWM

1 stop8h 49mUnited Airlines

Deal found 6/11

$418

Sat 7/126:15 amPWM - BIL

1 stop19h 00mAmerican Airlines

Sat 7/196:40 amBIL - PWM

2 stops14h 39mAmerican Airlines

Deal found 6/12

$589

Last-minute flights from Portland to Billings
Discover last-minute flight deals from Portland to Billings. Data last updated June 12, 2025 and is based on user searches.

Fri 6/273:37 pmPWM - BIL

1 stop7h 26mUnited Airlines

Tue 7/15:00 amBIL - PWM

1 stop8h 49mUnited Airlines

Deal found 6/11

$418

Sat 7/126:15 amPWM - BIL

1 stop19h 00mAmerican Airlines

Sat 7/196:40 amBIL - PWM

2 stops14h 39mAmerican Airlines

Deal found 6/12

$589

One-way flights from Portland to Billings
Search for one-way flight options from Portland to Billings. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Fri 7/111:35 pmPWM - BIL

2 stops11h 32mAmerican Airlines

Deal found 6/12

$222

Fri 7/116:10 amPWM - BIL

1 stop7h 26mUnited Airlines

Deal found 6/10

$262

Tue 7/812:51 pmPWM - BIL

2 stops12h 19mDelta

Deal found 6/10

$265

Thu 7/313:17 pmPWM - BIL

2 stops32h 19mMultiple Airlines

Deal found 6/11

$371

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBillings

PWM - BIL

PWMBIL

Portland

Fri 6/27

3:37 pm-9:03 pm

1 stop7h 26m

Billings Logan Intl

Tue 7/1

5:00 am-3:49 pm

1 stop8h 49m

$418

PortlandBillings

PWM - BIL

PWMBIL

Portland

Sat 7/12

6:15 am-11:15 pm

1 stop19h 00m

Billings Logan Intl

Sat 7/19

6:40 am-11:19 pm

2 stops14h 39m

$589

PortlandBillings

PWM - BIL

PWMBIL

Portland

Fri 7/11

1:35 pm-11:07 pm

2 stops11h 32m

$222

PortlandBillings

PWM - BIL

PWMBIL

Portland

Fri 7/11

6:10 am-11:36 am

1 stop7h 26m

$262

PortlandBillings

PWM - BIL

PWMBIL

Portland

Tue 7/8

12:51 pm-11:10 pm

2 stops12h 19m

$265

PortlandBillings

PWM - BIL

PWMBIL

Portland

Thu 7/31

3:17 pm-9:36 pm

2 stops32h 19m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 $517). 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.

Rainfall in Billings by month

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

Temperature in Billings by month

If weather is an important factor for your trip to Billings, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Billings

Delta

8.0

Very good

7,950 reviews

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

7,950 reviews

Delta

8.0

Very good

7,950 reviews

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

8,790 reviews

Delta

8.0

Very good

7,950 reviews

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

7,950 reviews

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

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 $589.
What are the cheapest airlines to fly from Portland, Maine to Billings one-way?
For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $222. Users have also found prices from $262 and $265 on United Airlines and Delta, 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, 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 $517). 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.

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Other flights to Billings

Top 2 airlines flying from Portland to Billings

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$353	Average$632	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$520	Average$635	FlexibilityNo cancel fee	On-time69%

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$222+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Billings with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Billings

Round-trip from

One-way from

Find flight deals from Portland to Billings

Cheapest flights from Portland to BillingsExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Billings that are best for you.

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.

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?

Rainfall in Billings by month

Plan your trip to Billings by taking into account the average rainfall totals by month.

Temperature in Billings by month

Plan your trip to Billings by taking into account the average temperature totals by month.

Reviews of airlines servicing Billings

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?

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

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

How can I find direct flights from Portland to Billings?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Billings

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Portland to Billings

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Travel Smart

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 June 12, 2025.