$293+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BIL
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Billings with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Billings
Cheapest
Best
Last-minute
One-way
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 August 22, 2026.
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 August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/313:23 pm -
1 stop9h 07m
Tue 11/35:00 am -
1 stop9h 02m
Deal found 8/16![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:58 am -
2 stops11h 18m
Wed 10/287:00 am -
1 stop7h 02m
Deal found 8/17![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/21:25 pm -
2 stops11h 22m
Wed 10/76:00 am -
2 stops15h 43m
Deal found 8/19![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/21:30 pm -
2 stops11h 17m
Wed 10/146:00 am -
2 stops15h 43m
Deal found 8/19![American Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/168:03 am -
2 stops15h 07m
Mon 10/195:57 pm -
2 stops14h 05m
Deal found 8/21![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/23:37 pm -
1 stop7h 23m
Wed 10/77:00 am -
2 stops14h 28m
Deal found 8/19![United Airlines logo]()
$648
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/96:02 am -
1 stop7h 59m
Wed 10/146:00 am -
2 stops15h 43m
Deal found 8/19![American Airlines logo]()
$695
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/185:38 pm -
1 stop20h 19m
Mon 9/2112:28 pm -
1 stop9h 19m
Deal found 8/21![American Airlines logo]()
$697
Best flights from Portland to BillingsDiscover 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 August 22, 2026.
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 August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/313:23 pm -
1 stop9h 07m
Tue 11/35:00 am -
1 stop9h 02m
Deal found 8/16![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:35 am -
2 stops13h 18m
Wed 10/285:00 am -
1 stop9h 02m
Deal found 8/18![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/163:40 pm -
1 stop7h 30m
Mon 10/195:57 pm -
2 stops14h 05m
Deal found 8/21![United Airlines logo]()
$658
Last-minute flights from Portland to BillingsDiscover last-minute flight deals from Portland to Billings. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Billings. Data last updated August 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/21:25 pm -
2 stops11h 22m
Wed 10/76:00 am -
2 stops15h 43m
Deal found 8/19![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/21:30 pm -
2 stops11h 17m
Wed 10/146:00 am -
2 stops15h 43m
Deal found 8/19![American Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/23:37 pm -
1 stop7h 23m
Wed 10/77:00 am -
2 stops14h 28m
Deal found 8/19![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/310:45 am -
2 stops12h 15m
Mon 9/75:07 am -
1 stop8h 44m
Deal found 8/19![United Airlines logo]()
$782
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/96:02 am -
1 stop7h 59m
Wed 10/146:00 am -
2 stops15h 43m
Deal found 8/19![American Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/163:37 pm -
1 stop7h 23m
Wed 9/237:00 am -
2 stops14h 32m
Deal found 8/19![United Airlines logo]()
$701
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/166:30 am -
1 stop7h 27m
Wed 9/237:00 am -
2 stops14h 47m
Deal found 8/19![American Airlines logo]()
$795
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/185:38 pm -
1 stop20h 19m
Mon 9/2112:28 pm -
1 stop9h 19m
Deal found 8/21![American Airlines logo]()
$697
One-way flights from Portland to BillingsSearch for one-way flight options from Portland to Billings. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Portland to Billings. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:03 pm -
3 stops30h 18m
Deal found 8/19![Multiple Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 10/36:00 am -
2 stops18h 10m
Deal found 8/17![American Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 am -
1 stop7h 27m
Deal found 8/16![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/29:52 am -
2 stops14h 55m
Deal found 8/19![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 8/16. 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.
Wed 9/161:59 pm -
2 stops11h 16m
Deal found 8/16![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/23:37 pm -
1 stop8h 30m
Deal found 8/19![United Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:31 pm -
3 stops43h 08m
Deal found 8/17![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:31 pm -
3 stops47h 50m
Deal found 8/16![Multiple Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/173:37 pm -
1 stop7h 23m
Deal found 8/19![United Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:28 pm -
2 stops20h 11m
Deal found 8/17![Multiple Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 10/46:36 am -
1 stop7h 21m
Deal found 8/17![American Airlines logo]()
$629
Find 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 August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $464 (United Airlines) |
One-way from | $293 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $691 |
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 7,457,451 searches. Data last updated August 22, 2026.
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
Cheapest round-trip
Quickest round-trip
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Sat 10/31
3:23 pm-10:30 pm
1 stop9h 07m
Billings Logan Intl
Tue 11/3
5:00 am-4:02 pm
1 stop9h 02m
$459
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Sat 10/24
11:35 am-10:53 pm
2 stops13h 18m
Billings Logan Intl
Wed 10/28
5:00 am-4:02 pm
1 stop9h 02m
$464
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Fri 10/16
3:40 pm-9:10 pm
1 stop7h 30m
Billings Logan Intl
Mon 10/19
5:57 pm-10:02 am
2 stops14h 05m
$658
Cheapest one-way
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Wed 9/16
6:30 am-11:57 am
1 stop7h 27m
$379
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Wed 9/2
9:52 am-10:47 pm
2 stops14h 55m
$414
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Wed 9/16
1:59 pm-11:15 pm
2 stops11h 16m
$418
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Sat 10/3
6:31 pm-11:39 am
3 stops43h 08m
$427
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Wed 9/16
6:31 pm-4:21 pm
3 stops47h 50m
$442
Quickest one-way
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Thu 9/17
3:37 pm-9:00 pm
1 stop7h 23m
$492
PortlandBillings
PWM Portland - BIL Billings Logan Intl
PWMBIL
Portland
Wed 9/2
6:00 am-9:00 pm
3 stops17h 00m
$693
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Portland to Billings
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 Portland to Billings in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Billings flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Billings 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 Portland, Maine-Billings 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 Portland to Billings
Have a flexible travel schedule? Discover the best time to fly to Billings from Portland with our price prediction graph.
PWM-BIL
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
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 August 22, 2026.
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.
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Complete your trip
Complete your trip to Billings by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Billings by cabin class
Find flights from Portland to Billings, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Billings flights
Browse other Portland and Billings flight options. Last updated on August 22, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$389 | Average$519 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$448 | Average$571 | FlexibilityNo cancel fee | On-time69% |