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$177+ Cheap flights from Portland, ME to Buffalo (PWM - BUF)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BUF
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Portland to Buffalo

Cheapest flights from Portland to Buffalo
Explore the most affordable flight options available from Portland to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 12/256:46 pmPWM - BUF
1 stop4h 04mUnited Airlines
Tue 12/307:48 pmBUF - PWM
1 stop4h 11mUnited Airlines
Deal found 12/21$630
This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:30 amPWM - BUF
1 stop6h 35mSouthwest
Tue 12/306:05 amBUF - PWM
2 stops18h 00mSouthwest
Deal found 12/21$653
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Mon 12/229:30 amPWM - BUF
1 stop7h 24mUnited Airlines
Tue 12/307:48 pmBUF - PWM
1 stop4h 11mUnited Airlines
Deal found 12/20$677
This Southwest deal was found by Cheapflights users on 12/22. 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.
Fri 12/265:30 pmPWM - BUF
1 stop6h 35mSouthwest
Sun 12/285:30 amBUF - PWM
1 stop5h 40mSouthwest
Deal found 12/22$689
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/2411:16 amPWM - BUF
1 stop25h 56mMultiple Airlines
Mon 12/295:40 pmBUF - PWM
2 stops47h 58mMultiple Airlines
Deal found 12/22$752
This United Airlines deal was found by Cheapflights users on 12/22. 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 12/247:30 pmPWM - BUF
1 stop18h 44mUnited Airlines
Mon 12/297:48 pmBUF - PWM
1 stop4h 11mUnited Airlines
Deal found 12/22$799
This Southwest deal was found by Cheapflights users on 12/20. 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 12/275:40 pmPWM - BUF
1 stop6h 10mSouthwest
Mon 12/295:30 amBUF - PWM
1 stop5h 40mSouthwest
Deal found 12/20$896
This Southwest deal was found by Cheapflights users on 12/22. 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 12/245:30 amPWM - BUF
2 stops15h 10mSouthwest
Mon 12/296:05 amBUF - PWM
2 stops10h 50mSouthwest
Deal found 12/22$976

Find flight deals from Portland to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Buffalo (BUF). 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$177
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$456
Provider with most accurate pricing for Portland-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Buffalo flights.
Search Deals
From Portland to Buffalo
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Buffalo 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 December 23, 2025.
Use the filters below to find and compare flights from Portland to Buffalo that are best for you.

Fly from

Portland

Fly to

Buffalo

Route

Depart

Return

Price

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Sat 1/31

2:35 pm-7:07 pm

1 stop4h 32m

Buffalo

Mon 2/2

7:45 pm-12:20 am

1 stop4h 35m

$177

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 1/28

2:35 pm-7:03 pm

1 stop4h 28m

Buffalo

Tue 2/3

6:00 am-11:20 am

1 stop5h 20m

$177

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 1/28

6:00 am-11:21 am

1 stop5h 21m

Buffalo

Tue 2/3

6:00 am-4:37 pm

2 stops10h 37m

$182

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Fri 1/9

6:16 am-11:11 am

1 stop4h 55m

Buffalo

Mon 1/12

7:45 pm-12:20 am

1 stop4h 35m

$242

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Fri 1/9

5:20 am-3:17 pm

2 stops9h 57m

Buffalo

Mon 1/12

5:12 am-12:06 pm

1 stop6h 54m

$247

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Mon 1/19

5:20 am-12:08 pm

1 stop6h 48m

Buffalo

Mon 1/26

6:00 am-4:37 pm

2 stops10h 37m

$249

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Sat 1/31

5:30 am-11:58 am

1 stop6h 28m

Buffalo

Mon 2/2

6:00 am-4:37 pm

2 stops10h 37m

$259

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Mon 1/5

2:35 pm-7:03 pm

1 stop4h 28m

Buffalo

Fri 1/9

5:35 pm-11:22 pm

1 stop5h 47m

$307

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 1/7

7:00 am-12:08 pm

1 stop5h 08m

Buffalo

Sun 1/11

6:00 am-12:05 pm

1 stop6h 05m

$307

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Sat 1/31

5:10 am-3:40 pm

2 stops10h 30m

Buffalo

Mon 2/2

6:20 am-2:55 pm

2 stops8h 35m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 13 results
1
2

Compare providers for flights from Portland to Buffalo

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 Buffalo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Buffalo flights, Cheapflights users trust eDreams the most. eDreams 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-Buffalo 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 Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo 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 Buffalo

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

Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Buffalo (average of $89). Flying from Portland, Maine to Buffalo in June is currently the most expensive (average of $167). 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.

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

Find hourly flight availability from Portland to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

When flying from Portland, Maine to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 45% versus a flight at noon.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated December 23, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Portland to Buffalo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,015 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,898 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Portland to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland, Maine to Buffalo?

    There are many flights that can get you from Portland, Maine to Buffalo in 4h 32m. Fly via Delta or American Airlines to get the fastest option. The distance from Portland, Maine to Buffalo is about 426 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Portland, Maine to Buffalo round-trip from $196. Other airlines that can offer you cheap pricing are Delta, from $196, and JetBlue, from $203. American Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $98. Southwest flights start at $98 while deals on American Airlines start at $140 one-way.

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

    Yes. In addition to deals on Portland to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Buffalo.

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

    Yes. Cheapflights offers flight deals from Portland to Buffalo 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 Buffalo?

    Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Buffalo (average of $89). Flying from Portland, Maine to Buffalo in June is currently the most expensive (average of $167). 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

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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Top 4 airlines flying from Portland to Buffalo

Discover the top 4 airlines that operate flights from Portland to Buffalo. 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$296FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$316FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$203Average$250FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$238Average$428FlexibilityNo cancel feeOn-time63%

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