HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$166+ Cheap flights from Portland to Buffalo (PDX - 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BUF
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
PDX
-
BUF
1 stop14h 14m
Delta
Mon 3/27:41 pm
BUF
-
PDX
1 stop27h 44m
Delta
Deal found 1/20$343
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
PDX
-
BUF
1 stop25h 09m
Delta
Sat 2/282:08 pm
BUF
-
PDX
1 stop11h 00m
Delta
Deal found 1/20$355
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:00 am
PDX
-
BUF
1 stop14h 14m
Delta
Mon 3/27:41 pm
BUF
-
PDX
1 stop27h 44m
Delta
Deal found 1/20$358
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:59 pm
PDX
-
BUF
1 stop7h 57m
American Airlines
Tue 4/216:14 am
BUF
-
PDX
1 stop9h 08m
American Airlines
Deal found 1/21$359
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/171:18 pm
PDX
-
BUF
1 stop6h 41m
United Airlines
Thu 2/198:25 am
BUF
-
PDX
1 stop8h 19m
United Airlines
Deal found 1/20$372
This Booking.com deal was found by Cheapflights users on 1/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:28 pm
PDX
-
BUF
1 stop13h 13m
Sun Country Air
Sun 7/2611:41 am
BUF
-
PDX
1 stop14h 02m
Sun Country Air
Deal found 1/19$375
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
PDX
-
BUF
1 stop14h 14m
Delta
Sun 3/17:00 am
BUF
-
PDX
1 stop16h 25m
Delta
Deal found 1/20$378

Find flight deals from Portland to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$343
(Delta)

One-way from

$166
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$581
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 ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 2026.
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

PDX - BUF

PDXBUF

Portland

Thu 2/26

7:00 am-12:14 am

1 stop14h 14m

Buffalo

Mon 3/2

7:41 pm-8:25 pm

1 stop27h 44m

$358

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Tue 3/24

11:59 pm-11:49 am

1 stop8h 50m

Buffalo

Tue 3/31

6:03 am-10:48 am

1 stop7h 45m

$359

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Wed 4/29

11:55 pm-10:15 am

1 stop7h 20m

Buffalo

Tue 5/5

3:10 pm-10:00 pm

2 stops9h 50m

$364

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Tue 4/14

11:40 pm-2:19 pm

2 stops11h 39m

Buffalo

Tue 4/21

6:14 am-12:22 pm

1 stop9h 08m

$364

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Fri 2/27

7:00 am-12:14 am

1 stop14h 14m

Buffalo

Sat 2/28

2:08 pm-10:08 pm

1 stop11h 00m

$370

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Tue 2/17

1:18 pm-10:59 pm

1 stop6h 41m

Buffalo

Thu 2/19

8:25 am-1:44 pm

1 stop8h 19m

$372

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Mon 2/9

9:45 pm-11:19 am

1 stop10h 34m

Buffalo

Wed 2/18

11:52 am-12:15 am

2 stops15h 23m

$381

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Mon 2/23

10:18 pm-10:12 am

3 stops56h 54m

$166

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Tue 2/24

11:48 am-11:40 pm

1 stop8h 52m

$180

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

Sat 2/28

11:35 pm-11:43 am

1 stop9h 08m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 16 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

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

How far ahead should I book a flight from Portland to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Buffalo. Price data was last updated on January 16, 2026.

The price you pay for your flight from Portland to Buffalo may vary depending on when you book. For the best chance of a lower fare, look to book 30 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Portland to Buffalo (average of $225). Flying from Portland to Buffalo in December is currently the most expensive (average of $411). 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 January 21, 2026.
Read through reviews of airlines operating flights from Portland to Buffalo, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

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
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

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
8,089 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

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
United Airlines
7.4
Good
9,191 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

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
11,174 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

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
Frontier
5.7
Fair
3,057 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

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 to Buffalo?

    There are many flights that can get you from Portland to Buffalo in 7h 20m. Fly via American Airlines or Southwest to get the fastest option. Airlines will cover a distance of 2149 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 to Buffalo round-trip?

    Cheapflights users have booked flights from Portland to Buffalo round-trip from $128. Other airlines that can offer you cheap pricing are Sun Country Air, from $221, and Delta, from $228. Frontier is priced at 73% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $82. American Airlines flights start at $138 while deals on Delta start at $148 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 to Buffalo?

    Currently, February is the cheapest month in which you can book a flight from Portland to Buffalo (average of $225). Flying from Portland to Buffalo in December is currently the most expensive (average of $411). 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.
Portland to John F Kennedy Intl flights
Portland to Newark flights
Portland to LaGuardia flights
Boise to John F Kennedy Intl flights
Boise to Newark flights
Boise to LaGuardia flights
Eugene to John F Kennedy Intl flights
Eugene to Newark flights
Portland to Albany flights
Portland to Rochester flights
Eugene to LaGuardia flights
Portland to Syracuse flights
Medford to John F Kennedy Intl flights
Redmond to John F Kennedy Intl flights
Medford to Newark flights
Medford to LaGuardia flights
Portland to White Plains flights
Redmond to Newark flights
Redmond to LaGuardia flights
Eugene to Albany flights
Boise to Buffalo flights
Boise to Albany flights
Boise to Syracuse flights
Portland to Ithaca flights
Medford to Buffalo flights
Redmond to Buffalo flights
Redmond to Albany flights
Boise to Rochester flights
Portland to Elmira flights
Portland to Watertown flights
Medford to Syracuse flights
Medford to Rochester flights
Eugene to Buffalo flights
Medford to Watertown flights
Medford to White Plains flights
Medford to Albany flights
Eugene to Rochester flights
Portland to Binghamton flights
Medford to Ithaca flights
Yakima to Albany flights
Redmond to Ithaca flights
Eugene to Syracuse flights
Yakima to Newark flights
Portland to Stewart flights
Medford to Stewart flights
Eugene to Ithaca flights
Yakima to John F Kennedy Intl flights
Boise to Islip flights
Boise to Elmira flights

Top 6 airlines flying from Portland to Buffalo

Discover the top 6 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$427FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$221Average$355FlexibilityNo cancel feeOn-time83%
DeltaCheapest$228Average$381FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$425FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$339Average$442FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$384Average$505FlexibilityNo cancel feeOn-time69%

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.