Cheap flights from Buffalo Niagara to Lisbon

Compare Buffalo Niagara to Lisbon flight deals

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Flight deals from Buffalo Niagara Airport to Lisbon Airport

Looking for a cheap last-minute deal or the best round-trip flight from Buffalo Niagara Airport to Lisbon Airport? If you want to travel next month, round-trip fares start from $757. Find the lowest prices on one-way and round-trip tickets right here.

Lisbon.$757 per passenger.Departing Sun, Apr 12, returning Tue, Apr 28.Round-trip flight with KLM and Air France.Outbound indirect flight with KLM, departing from Buffalo Niagara on Sun, Apr 12, arriving in Lisbon.Inbound indirect flight with Air France, departing from Lisbon on Tue, Apr 28, arriving in Buffalo Niagara.Price includes taxes and charges.From $757, select.

Lisbon.$824 per passenger.Departing Wed, May 6, returning Wed, May 13.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Buffalo Niagara on Wed, May 6, arriving in Lisbon.Inbound indirect flight with Delta, departing from Lisbon on Wed, May 13, arriving in Buffalo Niagara.Price includes taxes and charges.From $824, select.

Lisbon.$871 per passenger.Departing Sun, Sep 13, returning Fri, Nov 13.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Buffalo Niagara on Sun, Sep 13, arriving in Lisbon.Inbound indirect flight with Delta, departing from Lisbon on Fri, Nov 13, arriving in Buffalo Niagara.Price includes taxes and charges.From $871, select.

Lisbon.$915 per passenger.Departing Fri, Apr 24, returning Fri, May 1.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Buffalo Niagara on Fri, Apr 24, arriving in Lisbon.Inbound indirect flight with Delta, departing from Lisbon on Fri, May 1, arriving in Buffalo Niagara.Price includes taxes and charges.From $915, select.

Lisbon.$1,039 per passenger.Departing Mon, Mar 30, returning Mon, Apr 6.Round-trip flight with Air France and KLM.Outbound indirect flight with Air France, departing from Buffalo Niagara on Mon, Mar 30, arriving in Lisbon.Inbound indirect flight with KLM, departing from Lisbon on Mon, Apr 6, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,039, select.

Lisbon.$1,054 per passenger.Departing Wed, Jul 22, returning Sun, Aug 2.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Buffalo Niagara on Wed, Jul 22, arriving in Lisbon.Inbound indirect flight with Delta, departing from Lisbon on Sun, Aug 2, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,054, select.

Lisbon.$1,156 per passenger.Departing Fri, Jun 12, returning Sat, Jun 27.Round-trip flight with Air Serbia and Wizz Air Malta.Outbound indirect flight with Air Serbia, departing from Buffalo Niagara on Fri, Jun 12, arriving in Lisbon.Inbound indirect flight with Wizz Air Malta, departing from Lisbon on Sat, Jun 27, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,156, select.

Lisbon.$1,171 per passenger.Departing Sun, Sep 6, returning Sat, Sep 26.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from Buffalo Niagara on Sun, Sep 6, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departing from Lisbon on Sat, Sep 26, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,171, select.

Lisbon.$1,209 per passenger.Departing Sat, Jun 27, returning Sat, Jul 4.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Buffalo Niagara on Sat, Jun 27, arriving in Lisbon.Inbound indirect flight with Delta, departing from Lisbon on Sat, Jul 4, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,209, select.

Lisbon.$1,292 per passenger.Departing Wed, Jul 1, returning Tue, Jul 28.Round-trip flight with KLM and Air France.Outbound indirect flight with KLM, departing from Buffalo Niagara on Wed, Jul 1, arriving in Lisbon.Inbound indirect flight with Air France, departing from Lisbon on Tue, Jul 28, arriving in Buffalo Niagara.Price includes taxes and charges.From $1,292, 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.

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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 $757

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Cascais Municipal

19km from central Lisbon

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

How much are round-trip flights from Buffalo Niagara to Lisbon?

The best price we found for a round-trip flight from Buffalo Niagara to Lisbon is $757. 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.

Which airlines fly direct from Buffalo Niagara to Lisbon?

Currently, there are no airlines that fly direct from Buffalo Niagara to Lisbon. But we found flights with one or more stops from $757.

How many flights are there a week from Buffalo Niagara to Lisbon?

There are no flights flying from Buffalo Niagara to Lisbon, as of March 2026.

When is the cheapest time to fly from Buffalo Niagara to Lisbon?

The cheapest month to fly from Buffalo Niagara to Lisbon is usually April.

Which upcoming date is cheapest to fly from Buffalo Niagara Airport to Lisbon Airport on?

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 Sunday, April 12, 2026.

Can I get a direct flight from Buffalo Niagara Airport to Lisbon Airport?

No airlines currently offer direct flights between Buffalo Niagara Airport and Lisbon Airport. Most routes have one or more stops.

How can I find the best flight deal to Lisbon?

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.

When is the best time to book flights to Lisbon?

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.

Which is the cheapest airline to fly with from Buffalo Niagara Airport to Lisbon?

Currently, KLM offers the cheapest flight tickets to Lisbon.

Flying from Buffalo Niagara International Airport (BUF) to Lisbon Portela Airport (LIS): what you need to know

Lisbon is four hours ahead of Buffalo and observes the UTC+0 timezone.
Arrive at the airport on time so you don't miss your BUF to LIS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.
During popular months like August, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during a high season in general.
Think about adding a stopover when booking your ticket from Buffalo Niagara International Airport to Lisbon Portela Airport. Simply deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Check out these options between BUF and LIS:
- Washington Dulles International Airport
- John F. Kennedy International Airport
- Philadelphia International Airport

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

The cheapest price we've found for a one-way Buffalo Niagara International Airport to Lisbon Portela Airport flight is $411. A return fare is currently $757. Depending on the availability when you book, these fares can change.
To score cheap tickets from BUF to LIS, book early. Airlines generally offer their most competitively priced fares when flights are first released.
If you can be flexible with your travel plans, use the 'Whole month' tool. It'll give you the lowest price across each month when searching for a flight from Buffalo Niagara International Airport to Lisbon Portela Airport.
Picking up cheap flights from BUF to LIS is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a new deal comes up.
Select your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Buffalo Niagara International Airport to Lisbon Portela Airport.

Handy information about Buffalo Niagara International Airport (BUF)

You'll find BUF at Genesee Street.
When it comes to the on-time performance of Buffalo Niagara International Airport, 75.46% of flights complete their journey on time.
Central Buffalo to Buffalo Niagara International Airport is approximately 18 kilometers. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.
Expect a trip time of roughly 1 hour 15 minutes when using public transport.
Get your trip off to a hassle-free start by staying near BUF. Whether you're taking an early flight from Buffalo Niagara International Airport to Lisbon Portela Airport or just don't like being rushed, these hotels are the answer:

Arriving at Lisbon Portela Airport (LIS)

Consider booking a hotel near LIS if you're on a late Buffalo Niagara International Airport to Lisbon Portela Airport flight. Check in to one of these options and skip the long transfer after landing:
Say yes to new adventures by picking up a Lisbon Portela Airport rental car. Grab your wheels from Klass Wagen, Goldcar or OK Mobility to explore Lisbon and beyond.
Booking your ride from Lisbon Portela Airport about two weeks in advance can help you get the best possible rate.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

Lisbon Portela Airport is approximately 10 kilometers from the center of Lisbon. The drive time takes about 20 minutes.
If you're taking public transport, expect a journey of around 1 hour.

When to fly to Lisbon Portela Airport (LIS)

June is the busiest month for flights from Buffalo Niagara International Airport to Lisbon Portela Airport. To steer clear of the crowds, visit Lisbon in January.
The warmest month in Lisbon is August, with temperatures ranging between 16ºC (61ºF) and 29ºC (84ºF). Book your flights from Buffalo Niagara International Airport to Lisbon Portela Airport in this month if you enjoy this type of weather.
January sees average temperatures of between 8ºC (46ºF) and 16ºC (61ºF). Look for cheap tickets from BUF to LIS sometime around then if you'd rather travel in cooler conditions.

Explore more of Portugal

Lisbon has plenty going for it, but there are so many other corners of Portugal you should also see. About 274 kilometers north of Lisbon, a trip to Porto will keep your itinerary busy. Start with attractions like Livraria Lello, Ribeira District and The Douro River.
If you're looking to explore another well-known destination in Portugal, head for Amadora, about 8 kilometers north-west of Lisbon. Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge are key reasons to visit.