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Cheap Flights from Buffalo (BUF) to Lisbon (LIS)

Compare Buffalo Niagara to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

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Flight deals from Buffalo Niagara to Lisbon

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Lisbon Airport? If you want to travel next month, return fares start from $1,555. Find the lowest prices on one-way and return tickets right here.
Lisbon.$1,024 per passenger.Departing Wed, 14 Apr, returning Thu, 22 Apr.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Buffalo Niagara on Wed, 14 Apr, arriving in Lisbon.Inbound indirect flight with KLM, departs from Lisbon on Thu, 22 Apr, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,024, select.
Lisbon.$1,100 per passenger.Departing Mon, 15 Feb, returning Sun, 21 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 15 Feb, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Sun, 21 Feb, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,100, select.
Lisbon.$1,287 per passenger.Departing Fri, 23 Oct, returning Sat, 31 Oct.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Buffalo Niagara on Fri, 23 Oct, arriving in Lisbon.Inbound indirect flight with Air France, departs from Lisbon on Sat, 31 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,287, select.
Lisbon.$1,325 per passenger.Departing Mon, 31 Aug, returning Tue, 8 Sep.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Buffalo Niagara on Mon, 31 Aug, arriving in Lisbon.Inbound indirect flight with KLM, departs from Lisbon on Tue, 8 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,325, select.
Lisbon.$1,335 per passenger.Departing Tue, 28 Jul, returning Tue, 4 Aug.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Tue, 28 Jul, arriving in Lisbon.Inbound indirect flight with United, departs from Lisbon on Tue, 4 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,335, select.
Lisbon.$1,380 per passenger.Departing Thu, 17 Sep, returning Sat, 26 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Thu, 17 Sep, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Sat, 26 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,380, select.
Lisbon.$1,555 per passenger.Departing Tue, 7 Jul, returning Tue, 14 Jul.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Buffalo Niagara on Tue, 7 Jul, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Tue, 14 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,555, select.
Lisbon.$1,830 per passenger.Departing Tue, 30 Jun, returning Tue, 7 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 30 Jun, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Tue, 7 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,830, select.
Lisbon.$1,911 per passenger.Departing Tue, 23 Jun, returning Mon, 29 Jun.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Buffalo Niagara on Tue, 23 Jun, arriving in Lisbon.Inbound indirect flight with KLM, departs from Lisbon on Mon, 29 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,911, select.

Find the cheapest month to fly from Buffalo Niagara to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Lisbon flights are currently cheapest in April.
Jun
from $1,911
Jul
from $1,555
Aug
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Sep
from $1,380
Oct
from $1,287
Nov
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Dec
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Jan
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Feb
from $1,100
Mar
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Apr
from $1,024
May
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Buffalo Niagara to Lisbon: Alternative routes

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

Lisbon

8km from central Lisbon
ClosestCheapest
from $1,024
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Cascais Municipal Aerodrome

19km from central Lisbon
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Buffalo to Lisbon: Flight information

The things to know before you go.
Cheapest flight found$1,024
Cheapest month to flyApril

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

The best price we found for a return flight from Buffalo Niagara to Lisbon is $1,024. 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 Buffalo Niagara to Lisbon. But we found flights with one or more stops from $1,024.
As of June 2026, there are no flights flying from Buffalo Niagara to Lisbon.
The cheapest month to fly from Buffalo Niagara to Lisbon is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Lisbon Airport on Wednesday, 14 April 2027.
No airlines currently offer direct flights between Buffalo Niagara Airport and Lisbon 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 Lisbon 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 Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air France offers the cheapest flight tickets to Lisbon.

Travelling from Buffalo Niagara Airport (BUF) to Lisbon Airport (LIS): what you need to know

  • Lisbon is five hours ahead of Buffalo and is in the UTC+0 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to catch your BUF to LIS flight.

  • Flying during a peak month like August? School holidays and other high seasons can lead to longer lines at check-in and security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Buffalo Niagara Airport to Lisbon Airport. These are the top stopovers between BUF and LIS:

    • New York John F. Kennedy Airport

    • Philadelphia International Airport

    • Washington Dulles Airport

How to find the cheapest flights from Buffalo Niagara Airport (BUF) to Lisbon Airport (LIS)

  • Right now, $473 is the lowest price we've found for a one-way Buffalo Niagara Airport to Lisbon Airport flight. The best price for a return plane ticket is $1,024. Bear in mind that fares could change due to demand at the time of booking.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from BUF to LIS if you book early. Airlines often offer some great early bird rates.

  • If you're flexible with your travel plans, use the 'Whole month' search function. It'll show you the cheapest price across every month when looking for your flight from Buffalo Niagara Airport to Lisbon Airport.

  • Landing cheap flights from BUF to LIS couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a new deal comes up.

  • Tailor your flights using filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Buffalo Niagara Airport to Lisbon Airport.

Handy information about Buffalo Niagara Airport (BUF)

  • BUF is located at Genesee Street.

  • When it comes to Buffalo Niagara Airport's on-time performance, data shows 74% of flights stick to their scheduled arrival time.

  • To reach Buffalo Niagara Airport from central Buffalo, it takes around 20 minutes by car. This depends on traffic, however. It's approximately 16 kilometres from the airport to the city centre.

  • Taking public transport? You can expect a journey time of around 40 minutes.

  • Looking for a handy hotel close to BUF? If you're boarding an early flight from Buffalo Niagara Airport to Lisbon Airport, these stays will put you moments from check-in:

Arriving at Lisbon Airport (LIS)

  • If you're getting in on a late Buffalo Niagara Airport to Lisbon Airport flight, few things beat the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and relaxing soon after at one of these options near LIS:

  • Hit the road running by picking up a Lisbon Airport rental car. Grab a set of wheels from Klass Wagen, Goldcar or OK Mobility and explore beyond Lisbon's main sights.

  • Secure the lowest price by reserving your ride from Lisbon Airport around two weeks ahead of your departure.

When to fly to Lisbon Airport (LIS)

  • The quietest month for a flight from Buffalo Niagara Airport to Lisbon Airport is March, while August is the busiest. Pick the ideal time to visit Lisbon based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Lisbon is August, with temperatures ranging between 16ºC (61ºF) and 29ºC (84ºF). Lock in your flights from Buffalo Niagara Airport to Lisbon Airport in this month if this is the type of weather you enjoy.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from BUF to LIS in January. Average temperatures are between 8ºC (46ºF) and 16ºC (61ºF) then.

Explore more of Portugal

  • Porto is just one of the many cities in Portugal waiting to be discovered once you've taken in the sights of Lisbon. Around 274 kilometres away to the north, well-known attractions include Ribeira District, Rio Douro and Livraria Lello.

  • If you're eager to discover another major stop in Portugal, head for Amadora, about 8 kilometres north-west of Lisbon. Roman Villa, Park Fantasia and Palácio dos Condes da Lousã are among its highlights.

Plan the rest of your trip from Buffalo to Lisbon

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