$162 Cheap Flights from Portland (PDX) to Buffalo (BUF)

View $162 flight on Sat, Jun 6, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Buffalo Niagara Intl. Airport (BUF)

Cheap Flights from Portland to Buffalo (PDX-BUF)

Prices were available within the past 7 days and start at $162 for one-way flights and $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 31 - Sat, Jan 17
PDX
Portland
BUF
Buffalo
$338 Roundtrip, found 6 days ago
$338
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Dec 31 from Portland to Buffalo, returning Sat, Jan 17, priced at $338 found 6 days ago
Delta
Tue, Jan 20 - Sat, Jan 31
PDX
Portland
BUF
Buffalo
$341 Roundtrip, found 6 days ago
$341
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Jan 20 from Portland to Buffalo, returning Sat, Jan 31, priced at $341 found 6 days ago
Delta
Sat, Jan 17 - Sat, Jan 31
PDX
Portland
BUF
Buffalo
$343 Roundtrip, found 6 days ago
$343
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jan 17 from Portland to Buffalo, returning Sat, Jan 31, priced at $343 found 6 days ago
Delta
Sat, Jan 17 - Sat, Jan 31
PDX
Portland
BUF
Buffalo
$346 Roundtrip, found 6 days ago
$346
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jan 17 from Portland to Buffalo, returning Sat, Jan 31, priced at $346 found 6 days ago
Southwest Airlines
Thu, Feb 19 - Thu, Feb 26
PDX
Portland
BUF
Buffalo
$351 Roundtrip, found 3 days ago
$351
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Feb 19 from Portland to Buffalo, returning Thu, Feb 26, priced at $351 found 3 days ago
Southwest Airlines
Wed, Jan 14 - Tue, Jan 20
PDX
Portland
BUF
Buffalo
$355 Roundtrip, found 18 hours ago
$355
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Wed, Jan 14 from Portland to Buffalo, returning Tue, Jan 20, priced at $355 found 18 hours ago
American Airlines
Wed, Jan 14 - Tue, Jan 20
PDX
Portland
BUF
Buffalo
$355 Roundtrip, found 18 hours ago
$355
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Jan 14 from Portland to Buffalo, returning Tue, Jan 20, priced at $355 found 18 hours ago
United
Wed, Jan 14 - Tue, Jan 20
PDX
Portland
BUF
Buffalo
$355 Roundtrip, found 18 hours ago
$355
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Jan 14 from Portland to Buffalo, returning Tue, Jan 20, priced at $355 found 18 hours ago
Delta
Thu, Jan 1 - Sat, Jan 17
PDX
Portland
BUF
Buffalo
$356 Roundtrip, found 15 hours ago
$356
Roundtrip
found 15 hours ago
Select Delta flight, departing Thu, Jan 1 from Portland to Buffalo, returning Sat, Jan 17, priced at $356 found 15 hours ago
Sun Country Airlines
Thu, Aug 6 - Mon, Aug 10
PDX
Portland
BUF
Buffalo
$373 Roundtrip, found 1 day ago
$373
Roundtrip
found 1 day ago
Select Sun Country Airlines flight, departing Thu, Aug 6 from Portland to Buffalo, returning Mon, Aug 10, priced at $373 found 1 day ago

Find the cheapest month to fly from Portland (PDX) to Buffalo (BUF)

September is typically the cheapest month to fly

From $173 - $541 per traveler.

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $643
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $643
Flights from Portland (PDX) to Buffalo (BUF)
Origin airport
Portland Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$338
Distance
2150 mi

Portland to Buffalo Flights

The cheapest times to fly from Portland to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Buffalo are during the month of December. You can find some of the cheapest flights from Portland to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Buffalo

Sunday is one of the best days to book for cheap flights from Portland to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $162 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF) cost?
Secure a cheap one-way flight from $162 or cheap return flight from $338 from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF)?
December is the cheapest month to fly from PDX to BUF. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline that'll fly you from PDX to BUF, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF)?
You'll need to book a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from PDX to BUF?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF)?
To reach Buffalo Niagara Intl. Airport (BUF) on schedule, book a flight that takes off from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Waiting until just before your trip to book a ticket from PDX to BUF generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a PDX to BUF flight and hotel package?
Opting for a PDX to BUF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Buffalo Niagara Intl. Airport (BUF)?
It's usually possible to cancel or reschedule your PDX to BUF flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.