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$161+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BUF
nov. 27 — déc. 41
jeu. 11/27
jeu. 12/4
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from Portland to Buffalo are usually found in September or August, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 octobre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$364
(Delta)

One-way from

$161
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$526
Provider with most accurate pricing for Portland-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Buffalo flights.
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From Portland to Buffalo
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One-way flight from Portland to Buffalo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 octobre 28, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
mer. 12/177:09 pmPDX - BUF
2 stops12h 55mDelta
mar. 1/65:44 pmBUF - PDX
2 stops9h 33mDelta
Deal found 10/28$361
This Delta deal was found by Cheapflights users on 10/28. 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.
jeu. 12/1111:54 amPDX - BUF
1 stop9h 05mDelta
jeu. 12/256:10 amBUF - PDX
1 stop7h 39mDelta
Deal found 10/28$385
This Delta deal was found by Cheapflights users on 10/28. 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.
sam. 12/1311:20 pmPDX - BUF
1 stop6h 14mDelta
jeu. 12/256:10 amBUF - PDX
1 stop7h 39mDelta
Deal found 10/28$393
This Delta deal was found by Cheapflights users on 10/28. 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.
jeu. 12/1111:54 amPDX - BUF
1 stop9h 05mDelta
ven. 12/266:10 amBUF - PDX
1 stop7h 39mDelta
Deal found 10/28$394
This Delta deal was found by Cheapflights users on 10/28. 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.
sam. 12/136:10 amPDX - BUF
1 stop8h 08mDelta
ven. 12/266:10 amBUF - PDX
1 stop7h 39mDelta
Deal found 10/28$402
This Delta deal was found by Cheapflights users on 10/26. 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.
jeu. 11/276:00 amPDX - BUF
2 stops12h 15mDelta
sam. 12/612:10 pmBUF - PDX
1 stop10h 25mDelta
Deal found 10/26$407

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 octobre 28, 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

PDX - BUF

PDXBUF

Portland

lun. 12/15

10:10 pm-11:04 am

1 stop9h 54m

Buffalo

ven. 12/26

6:10 am-10:49 am

1 stop7h 39m

$394

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

jeu. 11/27

6:00 am-9:15 pm

2 stops12h 15m

Buffalo

sam. 12/6

12:10 pm-7:35 pm

1 stop10h 25m

$407

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

jeu. 11/27

8:00 am-6:10 pm

1 stop7h 10m

Buffalo

sam. 12/6

3:00 pm-8:35 pm

1 stop8h 35m

$412

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

mer. 12/24

12:00 pm-10:33 pm

1 stop7h 33m

Buffalo

jeu. 12/25

6:10 am-10:49 am

1 stop7h 39m

$419

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

ven. 12/12

10:10 pm-11:05 am

1 stop9h 55m

Buffalo

jeu. 12/25

6:10 am-10:49 am

1 stop7h 39m

$428

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

mar. 12/16

7:30 pm-10:41 am

2 stops12h 11m

Buffalo

jeu. 12/25

6:10 am-1:04 pm

2 stops9h 54m

$434

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

ven. 12/12

6:10 am-5:18 pm

1 stop8h 08m

Buffalo

dim. 12/14

5:50 pm-10:10 pm

1 stop7h 20m

$437

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

lun. 12/22

10:52 pm-9:46 am

1 stop7h 54m

$176

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

ven. 12/19

8:45 pm-12:36 pm

2 stops36h 51m

$184

PortlandBuffalo

PDX - BUF

PDXBUF

Portland

lun. 12/22

8:45 pm-8:40 pm

2 stops44h 55m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 15 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Buffalo flight deals on Cheapflights vs. eDreams >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 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-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 October 24, 2025.

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 57 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 $416). 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 PDX 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 octobre 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Buffalo in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking 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 octobre 28, 2025.
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
4,240 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,124 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 10m. Fly via Delta 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 $153. Other airlines that can offer you cheap pricing are Delta, from $228, and Sun Country Air, from $315. Frontier is priced at 69% 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 United Airlines, which is currently one of the cheapest options available, starting at $176. Frontier flights start at $184 while deals on Southwest start at $229 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 $416). 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
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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Alternative routes for Portland to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
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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 octobre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$153Average$427FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$406FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$315Average$355FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$326Average$418FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$339Average$463FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$384Average$514FlexibilityNo cancel feeOn-time69%

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