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

Compare Portland to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

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Flight deals from Portland to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Buffalo Niagara Airport? If you want to travel next month, return fares start from $583. Find the lowest prices on one-way and return tickets right here.
Buffalo.$339 per passenger.Departing Wed, 23 Sep, returning Tue, 29 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Wed, 23 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 29 Sep, arriving in Portland.Price includes taxes and charges.From $339, select.
Buffalo.$370 per passenger.Departing Wed, 26 Aug, returning Sat, 29 Aug.Return flight with United.Outbound indirect flight with United, departs from Portland on Wed, 26 Aug, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Sat, 29 Aug, arriving in Portland.Price includes taxes and charges.From $370, select.
Buffalo.$514 per passenger.Departing Sat, 17 Oct, returning Wed, 21 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Sat, 17 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Wed, 21 Oct, arriving in Portland.Price includes taxes and charges.From $514, select.
Buffalo.$527 per passenger.Departing Tue, 27 Oct, returning Mon, 2 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 27 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Mon, 2 Nov, arriving in Portland.Price includes taxes and charges.From $527, select.
Buffalo.$576 per passenger.Departing Tue, 22 Sep, returning Fri, 2 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 22 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Fri, 2 Oct, arriving in Portland.Price includes taxes and charges.From $576, select.
Buffalo.$583 per passenger.Departing Tue, 21 Jul, returning Mon, 27 Jul.Return flight with United.Outbound indirect flight with United, departs from Portland on Tue, 21 Jul, arriving in Buffalo Niagara.Inbound indirect flight with United, departs from Buffalo Niagara on Mon, 27 Jul, arriving in Portland.Price includes taxes and charges.From $583, select.
Buffalo.$657 per passenger.Departing Mon, 27 Jul, returning Mon, 3 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Mon, 27 Jul, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 3 Aug, arriving in Portland.Price includes taxes and charges.From $657, select.
Buffalo.$734 per passenger.Departing Tue, 22 Dec, returning Tue, 29 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 22 Dec, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Tue, 29 Dec, arriving in Portland.Price includes taxes and charges.From $734, select.
Buffalo.$792 per passenger.Departing Tue, 30 Jun, returning Wed, 1 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 30 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Wed, 1 Jul, arriving in Portland.Price includes taxes and charges.From $792, select.
Buffalo.$953 per passenger.Departing Thu, 25 Jun, returning Mon, 29 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Thu, 25 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 29 Jun, arriving in Portland.Price includes taxes and charges.From $953, select.

Find the cheapest month to fly from Portland to Buffalo Niagara

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Buffalo Niagara flights are currently cheapest in September.
Jun
from $953
Jul
from $583
Aug
from $370
Sep
from $339
Oct
from $514
Nov
Find prices
Dec
from $734
Jan
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Feb
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Mar
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Apr
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May
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Portland to Buffalo Niagara: Alternative routes

Compare routes from Portland to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Buffalo Niagara

13km from central Buffalo
ClosestCheapest
from $339
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Niagara Falls

24km from central Buffalo
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Jamestown

88km from central Buffalo
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Portland to Buffalo: Flight information

The things to know before you go.
Cheapest flight found$339
Cheapest month to flySeptember

Finding cheap flights from Portland to Buffalo Niagara: Frequently asked questions

The best price we found for a return flight from Portland to Buffalo Niagara is $339. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Buffalo Niagara. But we found flights with one or more stops from $339.
As of June 2026, there are no flights flying from Portland to Buffalo Niagara.
The cheapest month to fly from Portland to Buffalo Niagara is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Buffalo Niagara Airport on Wednesday, 23 September 2026.
No airlines currently offer direct flights between Portland Airport and Buffalo Niagara Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buffalo Niagara but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Buffalo Niagara.

Flying from Portland Airport (PDX) to Buffalo Niagara Airport (BUF): what you need to know

  • Leave plenty of time to catch your PDX to BUF flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you travel during peak periods in general.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Portland Airport to Buffalo Niagara Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Some great stopovers between PDX and BUF include:

    • Chicago O'Hare International Airport

    • Denver International Airport

    • Chicago Midway Airport

How to find the cheapest flights from Portland Airport (PDX) to Buffalo Niagara Airport (BUF)

  • Right now, $257 is the lowest price we've seen for a one-way Portland Airport to Buffalo Niagara Airport flight. The best price for a return plane ticket is $339. Remember that fares could change due to demand at the time of booking.

  • To score cheap tickets from PDX to BUF, book as early as you can. Airlines usually offer their most competitively priced fares when flights are first released.

  • The 'Whole month' search function shows you the cheapest flights from Portland Airport to Buffalo Niagara Airport across each month. It's a great way to find a bargain if your travel plans aren't set in stone.

  • You won't have to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as there's a new deal on cheap flights from PDX to BUF.

  • Secure the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Portland Airport to Buffalo Niagara Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Portland Airport (PDX)

  • The address for PDX is 7000 NE Airport Way.

  • Portland Airport gets high marks for on-time performance. 83% of flights that depart PDX arrive at their destination as scheduled.

  • Central Portland to Portland Airport is approximately 19 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • Planning to catch public transport? Expect a journey time of around 40 minutes.

  • Looking for a convenient hotel close to PDX? If you're boarding an early flight from Portland Airport to Buffalo Niagara Airport, these accommodation options will put you moments from check-in:

Arriving at Buffalo Niagara Airport (BUF)

  • Consider booking a hotel close to BUF if you're on a late Portland Airport to Buffalo Niagara Airport flight. Check in to one of these accommodation options and avoid the hassle of a long transfer:

  • Fast-track your adventure by picking up a Buffalo Niagara Airport rental car. Grab your wheels from Dollar, Hertz or Budget and experience the lesser-explored corners of Buffalo and beyond.

  • For the best deal, reserve your ride from Buffalo Niagara Airport around two weeks before you travel.

Getting from Buffalo Niagara Airport (BUF) to central Buffalo

  • BUF is located at Genesee Street.

  • Buffalo Niagara Airport to the centre of Buffalo has a drive time of around 20 minutes. It's approximately 16 kilometres away.

  • It typically takes 40 minutes to get there by public transport.

When to fly to Buffalo Niagara Airport (BUF)

  • August is the busiest month for flights from Portland Airport to Buffalo Niagara Airport. For a quieter experience, go to Buffalo in March.

  • Book your flight from Portland Airport to Buffalo Niagara Airport for July if you want to visit Buffalo during its warmest month. Expect temperatures of between 15ºC (59ºF) and 29ºC (84ºF).

  • Look for cheap tickets from PDX to BUF in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -10ºC (14ºF) and 2ºC (36ºF) on average.

Explore more of the United States

  • You've seen Buffalo, now it's time to explore other corners of the United States. Journey about 467 kilometres south-east to New York to tick off its top attractions. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.

  • Around 451 kilometres south-east of Buffalo, Philadelphia is another essential stop in the United States. Experience major highlights starting with Independence Hall, Liberty Bell and Philadelphia Museum of Art.

Plan the rest of your trip from Portland to Buffalo

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.