$354+ 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
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from Billings to Portland 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 Billings to Portland
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Best
Last-minute
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Cheapest flights from Billings to PortlandExplore 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 August 19, 2026.
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 August 19, 2026.
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 10/247:00 am -
1 stop7h 02m
Thu 10/293:23 pm -
1 stop7h 51m
Deal found 8/17![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 11/17:00 am -
1 stop7h 02m
Sat 11/73:23 pm -
1 stop9h 07m
Deal found 8/15![United Airlines logo]()
$359
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 10/247:00 am -
1 stop7h 02m
Wed 10/283:23 pm -
1 stop9h 07m
Deal found 8/16![United Airlines logo]()
$454
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 9/1211:43 am -
1 stop7h 40m
Wed 9/163:37 pm -
1 stop7h 23m
Deal found 8/16![United Airlines logo]()
$531
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.
Wed 9/167:00 am -
2 stops12h 23m
Sat 9/196:00 am -
1 stop7h 02m
Deal found 8/18![United Airlines logo]()
$554
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 9/2612:28 pm -
1 stop9h 19m
Wed 9/3011:03 am -
2 stops13h 07m
Deal found 8/17![American Airlines logo]()
$584
Best flights from Billings to PortlandDiscover carefully curated flight deals from Billings to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Billings to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 11/17:00 am -
1 stop7h 02m
Sat 11/73:23 pm -
1 stop9h 07m
Deal found 8/15![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/15. 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 -
1 stop7h 02m
Wed 10/283:23 pm -
1 stop9h 07m
Deal found 8/15![United Airlines logo]()
$454
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 9/1211:43 am -
1 stop7h 40m
Wed 9/163:37 pm -
1 stop7h 23m
Deal found 8/16![United Airlines logo]()
$531
Last-minute flights from Billings to PortlandDiscover last-minute flight deals from Billings to Portland. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to Portland. Data last updated August 19, 2026 and is based on user searches.
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 9/1211:43 am -
1 stop7h 40m
Wed 9/163:37 pm -
1 stop7h 23m
Deal found 8/16![United Airlines logo]()
$531
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.
Sat 9/127:00 am -
2 stops14h 47m
Wed 9/1611:03 am -
2 stops13h 07m
Deal found 8/16![American Airlines logo]()
$675
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.
Wed 9/167:00 am -
2 stops12h 23m
Sat 9/196:00 am -
1 stop7h 02m
Deal found 8/18![United Airlines logo]()
$554
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:28 pm -
1 stop9h 19m
Sat 9/196:30 am -
1 stop7h 27m
Deal found 8/18![American Airlines logo]()
$631
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.
Fri 9/2512:28 pm -
2 stops9h 17m
Tue 9/296:30 am -
1 stop7h 27m
Deal found 8/16![American Airlines logo]()
$601
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.
Fri 9/257:00 am -
2 stops14h 28m
Tue 9/298:03 am -
2 stops15h 07m
Deal found 8/16![United Airlines logo]()
$663
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 9/265:57 pm -
2 stops14h 05m
Wed 9/308:03 am -
2 stops15h 07m
Deal found 8/17![United Airlines logo]()
$469
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 9/2612:28 pm -
1 stop9h 19m
Wed 9/3011:03 am -
2 stops13h 07m
Deal found 8/17![American Airlines logo]()
$584
One-way flights from Billings to PortlandSearch for one-way flight options from Billings to Portland. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
Search for one-way flight options from Billings to Portland. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
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.
Tue 9/155:00 am -
1 stop8h 51m
Deal found 8/18![United Airlines logo]()
$379
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am -
2 stops12h 56m
Deal found 8/18![American Airlines logo]()
$384
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.
Tue 8/257:00 am -
1 stop6h 51m
Deal found 8/18![United Airlines logo]()
$416
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am -
2 stops14h 41m
Deal found 8/18![American Airlines logo]()
$426
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 9/1612:28 pm -
1 stop9h 19m
Deal found 8/16![American Airlines logo]()
$458
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 9/167:29 pm -
3 stops42h 26m
Deal found 8/16![Multiple Airlines logo]()
$992
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $354 (United Airlines) |
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 7,457,451 searches. Data last updated August 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
Cheapest round-trip
BillingsPortland
BIL Billings Logan Intl - PWM Portland
BILPWM
Billings Logan Intl
Sun 11/1
7:00 am-4:02 pm
1 stop7h 02m
Portland
Sat 11/7
3:23 pm-10:30 pm
1 stop9h 07m
$359
BillingsPortland
BIL Billings Logan Intl - PWM Portland
BILPWM
Billings Logan Intl
Sat 10/24
7:00 am-4:02 pm
1 stop7h 02m
Portland
Wed 10/28
3:23 pm-10:30 pm
1 stop9h 07m
$454
Quickest round-trip
BillingsPortland
BIL Billings Logan Intl - PWM Portland
BILPWM
Billings Logan Intl
Sat 9/12
11:43 am-9:23 pm
1 stop7h 40m
Portland
Wed 9/16
3:37 pm-9:00 pm
1 stop7h 23m
$531
Cheapest one-way
BillingsPortland
BIL Billings Logan Intl - PWM Portland
BILPWM
Billings Logan Intl
Tue 9/15
5:00 am-3:51 pm
1 stop8h 51m
$379
BillingsPortland
BIL Billings Logan Intl - PWM Portland
BILPWM
Billings Logan Intl
Wed 9/16
7:00 am-11:32 pm
2 stops14h 32m
$384
Quickest one-way
BillingsPortland
BIL Billings Logan Intl - PWM Portland
BILPWM
Billings Logan Intl
Tue 8/25
7:00 am-3:51 pm
1 stop6h 51m
$416
BillingsPortland
BIL Billings Logan Intl - PWM Portland
BILPWM
Billings Logan Intl
Tue 8/25
7:00 am-11:41 pm
2 stops14h 41m
$426
BillingsPortland
BIL Billings Logan Intl - PWM Portland
BILPWM
Billings Logan Intl
Wed 9/16
7:29 pm-3:55 pm
3 stops42h 26m
$992
Sorted by cheapest first
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 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 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.
BIL-PWM
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.
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsNorth Conway
Lewiston
Brunswick
Conway
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