621 € Cheap Flights from Buffalo Niagara to Lisbon

Compare Buffalo Niagara to Lisbon flight deals

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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 859 €. Find the lowest prices on one-way and return tickets right here.

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.

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.

Buffalo to Lisbon: Flight information

The things to know before you go.
Cheapest flight found621 €
Cheapest month to flyOctober

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 621 €. 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 621 €.
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 October.
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, 28 October 2026.
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, KLM 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

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.

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