HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$119+ Cheap flights from Portland, ME to Buffalo (PWM - BUF)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BUF
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Buffalo 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 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 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/317:01 pmPWM - BUF
1 stop4h 32mUnited Airlines
Sun 1/47:48 pmBUF - PWM
1 stop4h 11mUnited Airlines
Deal found 12/15$338
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/305:30 amPWM - BUF
1 stop4h 16mUnited Airlines
Sat 1/37:48 pmBUF - PWM
1 stop4h 11mUnited Airlines
Deal found 12/14$393
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:16 amPWM - BUF
1 stop9h 24mMultiple Airlines
Sun 1/41:37 pmBUF - PWM
2 stops27h 48mMultiple Airlines
Deal found 12/15$472
This Southwest deal was found by Cheapflights users on 12/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:30 amPWM - BUF
2 stops10h 20mSouthwest
Sun 1/48:40 pmBUF - PWM
2 stops14h 30mSouthwest
Deal found 12/15$506
This Southwest deal was found by Cheapflights users on 12/14. 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 12/173:30 pmPWM - BUF
1 stop6h 30mSouthwest
Mon 12/225:30 amBUF - PWM
1 stop5h 40mSouthwest
Deal found 12/14$511
This Southwest deal was found by Cheapflights users on 12/14. 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 12/175:30 amPWM - BUF
1 stop6h 30mSouthwest
Fri 12/196:05 pmBUF - PWM
1 stop6h 00mSouthwest
Deal found 12/14$543
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/295:30 amPWM - BUF
1 stop4h 16mUnited Airlines
Fri 1/27:21 pmBUF - PWM
1 stop4h 01mUnited Airlines
Deal found 12/14$578

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 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$278
(Southwest)

One-way from

$119
(United 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
One-way flight 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 15, 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

Sun 1/4

5:30 pm-12:05 am

1 stop6h 35m

Buffalo

Wed 1/14

8:45 am-2:55 pm

1 stop6h 10m

$278

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Thu 1/1

6:46 pm-10:50 pm

1 stop4h 04m

Buffalo

Sun 1/4

7:48 pm-11:59 pm

1 stop4h 11m

$338

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 12/30

5:30 am-9:46 am

1 stop4h 16m

Buffalo

Sat 1/3

7:48 pm-11:59 pm

1 stop4h 11m

$393

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Thu 1/1

5:30 am-2:20 pm

1 stop8h 50m

Buffalo

Sun 1/4

8:40 pm-11:10 am

2 stops14h 30m

$435

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 12/31

11:16 am-8:40 pm

1 stop9h 24m

Buffalo

Sun 1/4

1:37 pm-5:25 pm

2 stops27h 48m

$472

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 12/31

5:30 am-3:50 pm

2 stops10h 20m

Buffalo

Sun 1/4

8:40 pm-11:10 am

2 stops14h 30m

$506

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Mon 12/29

5:30 am-9:46 am

1 stop4h 16m

Buffalo

Fri 1/2

7:21 pm-11:22 pm

1 stop4h 01m

$578

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 12/30

5:48 am-12:57 pm

2 stops7h 09m

Buffalo

Sat 1/3

12:49 pm-10:55 pm

2 stops10h 06m

$888

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Thu 1/1

6:00 am-12:57 pm

2 stops6h 57m

Buffalo

Sun 1/4

6:00 am-4:39 pm

2 stops10h 39m

$899

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 12/24

7:01 pm-11:33 pm

1 stop4h 32m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 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 15, 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 15, 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
7.9
Good
4,249 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

7.9

Boarding

8.1

Comfort

8.0

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
7.9
Good
4,249 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

7.9

Boarding

8.1

Comfort

8.0

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
8,008 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

7.9

Boarding

8.1

Comfort

8.0

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
11,051 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

7.9

Boarding

8.1

Comfort

8.0

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
2,895 reviews
Southwest
7.9
Good
4,249 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

7.9

Boarding

8.1

Comfort

8.0

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 04m. Fly via Southwest or United 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

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 Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Newark flights
Boston to LaGuardia flights
Boston to John F Kennedy Intl flights
Portland to John F Kennedy Intl flights
Portland to LaGuardia flights
Boston to Buffalo flights
Portland to Newark flights
Boston to Rochester flights
Boston to Syracuse flights
Bangor to John F Kennedy Intl flights
Boston to Islip flights
Bangor to LaGuardia flights
Bangor to Newark flights
Boston to Albany flights
Boston to Stewart flights
Boston to Saranac Lake flights
Portland to Syracuse flights
Augusta to John F Kennedy Intl flights
Boston to Rutland flights
Boston to Ithaca flights
Boston to Massena flights
Bangor to Syracuse flights
Bangor to Albany flights
Boston to White Plains flights
Portland to Rochester flights
Portland to Islip flights
Bangor to Stewart flights
Portland to White Plains flights
Portland to Ithaca flights
Augusta to White Plains flights
Bar Harbor to John F Kennedy Intl flights
Boston to Plattsburgh flights
Bangor to Buffalo flights
Rockland to John F Kennedy Intl flights
Boston to Elmira flights
Bar Harbor to Buffalo flights
Boston to Binghamton flights
Augusta to Newark flights
Portland to Elmira flights
Portland to Stewart flights
Bangor to Watertown flights
Bar Harbor to Newark flights
Rockland to LaGuardia flights
Rockland to Newark flights
Augusta to LaGuardia flights
Bar Harbor to LaGuardia flights
Boston to Watertown flights
Portland to Binghamton flights
Boston to Niagara Falls flights

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 15, 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$432FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.