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$114+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BUF
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
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 July 11, 2026.

This American Airlines deal was found by Cheapflights users on 7/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:11 pm
PWM
-
BUF
1 stop6h 48m
American Airlines
Tue 8/115:38 pm
BUF
-
PWM
1 stop6h 09m
American Airlines
Deal found 7/7$227
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:46 pm
PWM
-
BUF
1 stop5h 10m
American Airlines
Wed 8/191:03 pm
BUF
-
PWM
1 stop5h 07m
American Airlines
Deal found 7/9$233
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:46 pm
PWM
-
BUF
1 stop5h 10m
American Airlines
Thu 8/137:34 pm
BUF
-
PWM
1 stop4h 07m
American Airlines
Deal found 7/8$252
This American Airlines deal was found by Cheapflights users on 7/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:30 am
PWM
-
BUF
1 stop4h 48m
American Airlines
Mon 9/2111:05 am
BUF
-
PWM
1 stop4h 46m
American Airlines
Deal found 7/7$286
This Southwest deal was found by Cheapflights users on 7/9. 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.
Tue 10/135:40 am
PWM
-
BUF
2 stops8h 55m
Southwest
Mon 10/195:45 pm
BUF
-
PWM
1 stop6h 10m
Southwest
Deal found 7/9$291
This Southwest deal was found by Cheapflights users on 7/8. 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.
Sat 10/179:25 am
PWM
-
BUF
2 stops11h 15m
Southwest
Mon 10/192:50 pm
BUF
-
PWM
1 stop9h 05m
Southwest
Deal found 7/8$297
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:53 pm
PWM
-
BUF
1 stop4h 19m
United Airlines
Wed 9/27:59 pm
BUF
-
PWM
1 stop4h 00m
United Airlines
Deal found 7/7$303
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:30 am
PWM
-
BUF
1 stop6h 03m
Delta
Wed 12/237:15 pm
BUF
-
PWM
1 stop4h 34m
Delta
Deal found 7/9$345
This Southwest deal was found by Cheapflights users on 7/9. 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.
Thu 12/245:10 am
PWM
-
BUF
2 stops10h 00m
Southwest
Wed 12/306:00 am
BUF
-
PWM
1 stop3h 55m
Southwest
Deal found 7/9$350

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 July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(American Airlines)

One-way from

$114
(American Airlines)

Popular in

June

Cheapest in

May

Average price

$411
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. 15% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 11, 2026.
Use the filters below to find and compare flights from Portland to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Sat 10/17

4:55 pm-9:04 pm

1 stop4h 09m

Buffalo

Mon 10/19

6:29 pm-11:19 pm

1 stop4h 50m

$227

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 8/4

5:11 pm-11:59 pm

1 stop6h 48m

Buffalo

Tue 8/11

5:38 pm-11:47 pm

1 stop6h 09m

$227
Quickest round-trip

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 9/1

6:53 pm-11:12 pm

1 stop4h 19m

Buffalo

Wed 9/2

7:59 pm-11:59 pm

1 stop4h 00m

$303

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 12/22

6:30 am-12:33 pm

1 stop6h 03m

Buffalo

Wed 12/23

7:15 pm-11:49 pm

1 stop4h 34m

$345

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Sat 8/29

2:40 pm-7:10 pm

1 stop4h 30m

Buffalo

Tue 9/1

6:55 am-12:30 pm

1 stop5h 35m

$353

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 10/13

5:40 am-2:35 pm

2 stops8h 55m

Buffalo

Mon 10/19

9:40 am-9:50 pm

2 stops12h 10m

$355

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 8/4

5:45 am-3:15 pm

2 stops9h 30m

Buffalo

Tue 8/11

9:45 am-9:10 pm

2 stops11h 25m

$355

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 9/1

1:20 pm-6:59 pm

1 stop5h 39m

Buffalo

Wed 9/2

9:15 am-1:45 pm

1 stop4h 30m

$357

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Tue 12/22

5:20 am-3:35 pm

2 stops10h 15m

Buffalo

Wed 12/23

6:00 am-9:55 am

1 stop3h 55m

$381

PortlandBuffalo

PWM - BUF

PWMBUF

Portland

Wed 12/23

1:20 pm-10:35 pm

2 stops9h 15m

Buffalo

Wed 12/30

7:20 am-4:40 pm

2 stops9h 20m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 19 resultsSorted by cheapest first
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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Buffalo flight deals on Cheapflights vs. FlightHub >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 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-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, May is the cheapest month in which you can book a flight from Portland, Maine to Buffalo (average of $236). Flying from Portland, Maine to Buffalo in June is currently the most expensive (average of $590). 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.

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 July 11, 2026.
Read reviews from past customers who have flown Southwest,Delta, andAmerican 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
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
7.9
Good
4,248 reviews
Southwest
7.9
Good
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,457 reviews
Southwest
7.9
Good
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,805 reviews
Southwest
7.9
Good
4,248 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 09m. Fly via Delta, American Airlines, or Southwest 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 $139. Other airlines that can offer you cheap pricing are American Airlines, from $232, and Southwest, from $242. Delta is priced at 60% lower than the current average price of a flight leaving 3 months from now.

  • 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, May is the cheapest month in which you can book a flight from Portland, Maine to Buffalo (average of $236). Flying from Portland, Maine to Buffalo in June is currently the most expensive (average of $590). 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
Amherst
Williamsville
Orchard Park
Eden

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Portland to Buffalo

Discover the top 3 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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$271FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$232Average$296FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$242Average$458FlexibilityNo cancel feeOn-time63%

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