$137+ Cheap flights from Portland, ME to Boston (PWM - BOS)
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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BOS
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Boston 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 Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to BostonExplore the most affordable flight options available from Portland to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Portland to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop5h 01m
Sat 10/108:11 pm -
1 stop3h 43m
Deal found 9/8![JetBlue logo]()
$275
This JetBlue deal was found by Cheapflights users on 9/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am -
1 stop4h 11m
Wed 11/48:10 pm -
1 stop3h 33m
Deal found 9/8![JetBlue logo]()
$277
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:40 pm -
1 stop6h 15m
Wed 12/23:30 pm -
1 stop6h 15m
Deal found 9/6![Southwest logo]()
$367
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
1 stop8h 29m
Mon 10/126:40 pm -
1 stop5h 14m
Deal found 9/7![JetBlue logo]()
$382
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
1 stop5h 01m
Thu 10/158:11 pm -
1 stop3h 43m
Deal found 9/7![JetBlue logo]()
$398
This Priceline deal was found by Cheapflights users on 9/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop4h 51m
Sat 9/266:40 pm -
1 stop5h 14m
Deal found 9/6![JetBlue logo]()
$411
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:20 pm -
1 stop5h 30m
Fri 12/45:30 am -
1 stop4h 20m
Deal found 9/8![Southwest logo]()
$447
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
1 stop4h 51m
Sat 9/266:40 pm -
1 stop5h 14m
Deal found 9/5![JetBlue logo]()
$464
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
1 stop8h 29m
Mon 10/128:11 pm -
1 stop3h 43m
Deal found 9/7![JetBlue logo]()
$503
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:45 pm -
1 stop5h 35m
Sat 10/105:35 am -
1 stop4h 10m
Deal found 9/5![Southwest logo]()
$514
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop4h 51m
Sun 9/275:15 am -
1 stop18h 39m
Deal found 9/7![JetBlue logo]()
$515
Best flights from Portland to BostonDiscover carefully curated flight deals from Portland to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Portland to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Priceline deal was found by Cheapflights users on 9/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
1 stop4h 51m
Sat 10/106:35 pm -
1 stop5h 19m
Deal found 9/5![JetBlue logo]()
$277
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:40 pm -
1 stop6h 15m
Wed 12/23:30 pm -
1 stop6h 15m
Deal found 9/6![Southwest logo]()
$367
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:30 am -
1 stop4h 11m
Mon 11/28:10 pm -
1 stop3h 33m
Deal found 9/7![JetBlue logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/312:05 pm -
1 stop9h 54m
Wed 11/45:30 am -
2 stops17h 51m
Deal found 9/8![United Airlines logo]()
$555
This JetBlue deal was found by Cheapflights users on 9/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am -
1 stop4h 11m
Wed 11/48:10 pm -
1 stop3h 33m
Deal found 9/8![JetBlue logo]()
$277
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
1 stop8h 29m
Mon 10/126:40 pm -
1 stop5h 14m
Deal found 9/7![JetBlue logo]()
$382
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:45 pm -
1 stop5h 35m
Sat 10/105:40 pm -
1 stop4h 35m
Deal found 9/5![Southwest logo]()
$514
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
1 stop4h 51m
Sat 9/266:40 pm -
1 stop5h 14m
Deal found 9/5![JetBlue logo]()
$464
This Priceline deal was found by Cheapflights users on 9/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
1 stop4h 51m
Wed 9/236:40 pm -
1 stop5h 14m
Deal found 9/4![JetBlue logo]()
$514
Last-minute flights from Portland to BostonDiscover last-minute flight deals from Portland to Boston. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Boston. Data last updated September 9, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am -
1 stop4h 51m
Wed 9/306:40 pm -
1 stop5h 14m
Deal found 9/9![JetBlue logo]()
$445
This Priceline deal was found by Cheapflights users on 9/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop4h 51m
Sat 9/266:40 pm -
1 stop5h 14m
Deal found 9/6![JetBlue logo]()
$411
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
1 stop4h 51m
Sat 9/266:40 pm -
1 stop5h 14m
Deal found 9/5![JetBlue logo]()
$464
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
1 stop4h 51m
Thu 10/17:00 pm -
1 stop4h 54m
Deal found 9/5![JetBlue logo]()
$518
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop4h 51m
Sun 9/275:15 am -
1 stop18h 39m
Deal found 9/7![JetBlue logo]()
$515
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:45 pm -
1 stop5h 35m
Sat 10/105:35 am -
1 stop4h 10m
Deal found 9/5![Southwest logo]()
$514
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
1 stop8h 29m
Mon 10/128:11 pm -
1 stop3h 43m
Deal found 9/7![JetBlue logo]()
$503
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop5h 01m
Sat 10/108:11 pm -
1 stop3h 43m
Deal found 9/8![JetBlue logo]()
$275
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
1 stop8h 29m
Mon 10/126:40 pm -
1 stop5h 14m
Deal found 9/7![JetBlue logo]()
$382
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
1 stop5h 01m
Thu 10/158:11 pm -
1 stop3h 43m
Deal found 9/7![JetBlue logo]()
$398
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:30 am -
1 stop4h 11m
Wed 11/48:10 pm -
1 stop3h 33m
Deal found 9/5![JetBlue logo]()
$277
One-way flights from Portland to BostonSearch for one-way flight options from Portland to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Portland to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop4h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![JetBlue logo]()
$137
This KAYAK deal was found by Cheapflights users on 9/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
1 stop4h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$138
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
1 stop4h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![JetBlue logo]()
$139
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/35:35 am -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 1/710:54 am -
1 stop24h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 9/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/411:10 am -
1 stop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$189
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am -
1 stop5h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![JetBlue logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 1/66:31 pm -
2 stops15h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 10/57:00 am -
2 stops29h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$254
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![JetBlue logo]()
$259
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:35 am -
1 stop20h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$267
Find flight deals from Portland to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Boston (BOS). 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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $275 (KAYAK) |
One-way from | $137 (KAYAK) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Boston 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 September 9, 2026.
Use the filters below to find and compare flights from Portland to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Sun 10/18
6:00 am-11:01 am
1 stop5h 01m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$137
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Sun 10/4
6:00 am-10:51 am
1 stop4h 51m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$138
Quickest round-trip
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Thu 11/5
6:30 am-10:41 am
1 stop4h 11m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Mon 10/5
7:00 am-12:07 pm
2 stops29h 07m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$254
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Fri 10/2
11:35 am-8:23 am
1 stop20h 48m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$267
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Sat 10/3
6:00 am-10:51 am
1 stop4h 51m
Boston Logan Intl
Sat 10/10
6:35 pm-11:54 pm
1 stop5h 19m
$277
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Fri 10/30
6:30 am-10:41 am
1 stop4h 11m
Boston Logan Intl
Mon 11/2
8:10 pm-11:43 pm
1 stop3h 33m
$277
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Sat 10/31
6:30 am-10:41 am
1 stop4h 11m
Boston Logan Intl
Wed 11/4
8:10 pm-11:43 pm
1 stop3h 33m
$277
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Wed 9/16
5:09 pm-10:22 am
2 stops17h 13m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$308
PortlandBoston
PWM Portland - BOS Boston Logan Intl
PWMBOS
Portland
Wed 9/16
6:00 am-10:51 am
1 stop4h 51m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$308
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Portland to Boston
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 Boston in September.
| 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-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Boston 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-Boston 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 Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Portland with our price prediction graph.
PWM-BOS
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 Portland to Boston. 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 Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Dedham
Cranston
Warwick
Pawtucket
Peabody
Auburn
Revere
York Beach
Londonderry
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
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
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights