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$327 Cheap Flights from Buffalo (BUF) to Lisbon (LIS)

View $327 flight on Thu, Nov 5, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Humberto Delgado Airport (LIS)

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Cheap Flights from Buffalo to Lisbon (BUF-LIS)

Prices were available within the past 7 days and start at $327 for one-way flights and $716 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Feb 4 - Thu, Feb 11
BUF
Buffalo
LIS
Lisbon
$716 Roundtrip, found 3 days ago
$716
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Feb 4 from Buffalo to Lisbon, returning Thu, Feb 11, priced at $716 found 3 days ago
Lufthansa
Mon, Oct 26 - Tue, Nov 3
BUF
Buffalo
LIS
Lisbon
$721 Roundtrip, found 4 days ago
$721
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Oct 26 from Buffalo to Lisbon, returning Tue, Nov 3, priced at $721 found 4 days ago
Virgin Atlantic
Mon, Nov 9 - Tue, Nov 17
BUF
Buffalo
LIS
Lisbon
$726 Roundtrip, found 4 hours ago
$726
Roundtrip
found 4 hours ago
Select Virgin Atlantic flight, departing Mon, Nov 9 from Buffalo to Lisbon, returning Tue, Nov 17, priced at $726 found 4 hours ago
British Airways
Sun, Nov 29 - Tue, Dec 8
BUF
Buffalo
LIS
Lisbon
$726 Roundtrip, found 4 hours ago
$726
Roundtrip
found 4 hours ago
Select British Airways flight, departing Sun, Nov 29 from Buffalo to Lisbon, returning Tue, Dec 8, priced at $726 found 4 hours ago
Iberia
Mon, Nov 9 - Wed, Nov 18
BUF
Buffalo
LIS
Lisbon
$726 Roundtrip, found 3 days ago
$726
Roundtrip
found 3 days ago
Select Iberia flight, departing Mon, Nov 9 from Buffalo to Lisbon, returning Wed, Nov 18, priced at $726 found 3 days ago
American Airlines
Tue, Feb 9 - Tue, Feb 23
BUF
Buffalo
LIS
Lisbon
$733 Roundtrip, found 1 day ago
$733
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Feb 9 from Buffalo to Lisbon, returning Tue, Feb 23, priced at $733 found 1 day ago
KLM
Tue, Feb 2 - Sun, Feb 7
BUF
Buffalo
LIS
Lisbon
$772 Roundtrip, found 3 days ago
$772
Roundtrip
found 3 days ago
Select KLM flight, departing Tue, Feb 2 from Buffalo to Lisbon, returning Sun, Feb 7, priced at $772 found 3 days ago
Air Canada
Sun, Dec 6 - Tue, Dec 15
BUF
Buffalo
LIS
Lisbon
$774 Roundtrip, found 4 hours ago
$774
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Sun, Dec 6 from Buffalo to Lisbon, returning Tue, Dec 15, priced at $774 found 4 hours ago
United
Wed, Nov 4 - Sun, Nov 22
BUF
Buffalo
LIS
Lisbon
$776 Roundtrip, found 14 hours ago
$776
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Nov 4 from Buffalo to Lisbon, returning Sun, Nov 22, priced at $776 found 14 hours ago
Air France
Tue, Feb 2 - Sun, Feb 7
BUF
Buffalo
LIS
Lisbon
$780 Roundtrip, found 3 days ago
$780
Roundtrip
found 3 days ago
Select Air France flight, departing Tue, Feb 2 from Buffalo to Lisbon, returning Sun, Feb 7, priced at $780 found 3 days ago

Alternative airports near Lisbon

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

Select flight to Humberto Delgado LIS. Cheapest option available. Flights from $1,212
LIS
Humberto Delgado
Cheapest
Flights from $1,212

What you need to know for your flight from Buffalo Niagara Intl. to Humberto Delgado

Buffalo (BUF) to Lisbon (LIS) at a glance

Travel to Lisbon (LIS) from Buffalo (BUF) with a range of airlines providing options on this international long-haul route. Evaluate choices from full-service carriers to discover the itinerary that aligns with your budget, schedule, and vacation plans while you delve into Lisbon’s renowned landmarks and vibrant neighborhoods. Gather essential information for flights from Buffalo Niagara International Airport (BUF) to Humberto Delgado Airport (LIS).

  • Fastest flight duration: around 8h 15m in-flight, plus roughly 2h 45m layover with one stop
  • Route distance: roughly 3,600 miles (5,790 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $280–$1000, depending on seasonality and how far ahead you book

Flights from Buffalo Niagara International Airport (BUF) to Humberto Delgado Airport (LIS)

Recent traveler bookings reveal the top airlines flying from Buffalo to Lisbon, particularly favored for their one-stop services. Common layover points include Washington Dulles International Airport (IAD) with a layover of about 1 hour and 15 minutes, Logan International Airport (BOS) with approximately 3 hours, and Philadelphia International Airport (PHL) with around 3 hours and 45 minutes. This variety allows you to combine factors like price, total travel time, and cabin class to craft the ideal itinerary.

  • United: This full-service airline provides a convenient one-stop option, with one-way fares generally between $320 and $835. It represents about 41% of departures on this route, featuring an in-flight duration of 8 hours and 15 minutes, resulting in a total travel time of approximately 11 hours and 15 minutes, including layover.
  • TAP Portugal: Offering one-stop service, this full-service carrier has one-way ticket prices typically ranging from $370 to $1105. TAP Portugal accounts for around 28% of flights on this route, with an in-flight time of 8 hours and 15 minutes and a total journey duration of about 11 hours and 15 minutes, factoring in the layover.
  • American Airlines: This full-service airline features one-stop flights with one-way fares usually ranging from $280 to $550. American Airlines makes up approximately 11% of departures on this route, with a flight time of 8 hours and 15 minutes and a complete travel time of roughly 11 hours and 15 minutes, including a layover.
  • British Airways: A full-service carrier providing one-stop service, British Airways' one-way fares typically fall between $500 and $790. It accounts for about 9% of departures on this route, offering an in-flight time of 8 hours and 15 minutes, leading to a total journey duration of around 11 hours and 15 minutes, including layover.
  • Delta: This full-service airline offers one-stop flights, with one-way fares generally ranging from $510 to $985. Delta represents approximately 7% of departures on this route, boasting an in-flight duration of 8 hours and 15 minutes, resulting in a total travel time of about 11 hours and 15 minutes when accounting for the layover.

Alternative route from Buffalo (BUF) to Lisbon (LIS)

  • Rochester to Lisbon (ROC-LIS): Greater Rochester International Airport (ROC) lies approximately 56 miles from Buffalo Niagara International Airport (BUF). On this route, one-way economy ticket prices generally range from $245 to $905, influenced by the time of year and how far in advance you book. Flights typically include one-stop options, with common layover points being John F. Kennedy International Airport (JFK) and Philadelphia International Airport (PHL). Major airlines servicing this route include United and American Airlines.

How to find the best prices for flights from Buffalo (BUF) to Lisbon (LIS)

Getting some of the best deals on flights from Buffalo to Lisbon is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are often available when booking 2 to 8 weeks in advance, although most travelers tend to book at least 2 months ahead. Afternoon departures from 12 PM to 6 PM usually offer lower prices, while evening flights from 6 PM to 12 AM are more popular. Additionally, flying on Monday generally provides cheaper options, though Tuesday is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Lisbon hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Humberto Delgado Airport from Buffalo Niagara International Airport

Lisbon welcomes travelers from Buffalo with a range of transport options based on price, convenience, and proximity. Here's how to reach Lisbon efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Lisbon, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Humberto Delgado Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Humberto Delgado Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Humberto Delgado Airport, travelers will find Lisbon Airport Station, a metro station, located about 0.1 miles away on foot, while Oriente Bus Station, a bus station, and Roma-Areeiro Station, a train station, are each situated about 1.8 miles away by car, providing convenient access to various transport options.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) cost?
You can find cheap one-way flights from $327 and cheap return flights from $716 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) with Expedia. One-way flights typically cost between $432 and $3775, and return flights often range between $769 and $5439. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
The cheapest month to fly from BUF to LIS is February when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
Enter BUF to LIS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
Royal Air Maroc is one of the cheapest airlines offering connecting flights from Buffalo, NY (BUF) to Lisbon (LIS), with round-trip tickets starting from around $1,531. This flight has a layover in John F. Kennedy Intl. (JFK). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) typically departs at around 5:20 AM, operated by American Airlines. This early flight allows you to arrive in Lisbon with plenty of time to explore the city. This service is seasonal and generally operates in December. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
Flights from BUF to LIS with one stop typically take around 15 hours 50 minutes, covering approximately 3,544 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
Business class seats are offered on the BUF to LIS route. Airlines that offer business class service on this route include:

  • United Airlines
  • Delta Air Lines
  • JetBlue Airways
  • American Airlines

How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Lisbon from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Lisbon from Buffalo Niagara Intl. (BUF), you can fly into Humberto Delgado (LIS) Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), John F. Kennedy Intl. (JFK) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) Lisbon Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Lisbon (LIS-Humberto Delgado) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$715
Distance
3543 mi

Book with confidence

Buffalo to Lisbon Flights

The cheapest times to fly from Buffalo to Lisbon

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 Buffalo to Lisbon are during the month of February. You can find some of the cheapest flights from Buffalo to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Lisbon

Sunday is one of the best days to book for cheap flights from Buffalo to Lisbon: 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 Buffalo to Lisbon

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 Buffalo to Lisbon in 2026. You can also book with separate airlines for your outbound and return journeys, from $327 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 Buffalo to Lisbon 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 Buffalo to Lisbon 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.

 

Buffalo to Lisbon Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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