HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$347+ Cheap flights from Buffalo (BUF) to Lisbon (LIS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Lisbon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Buffalo to Lisbon

Cheapest flights from Buffalo to Lisbon
Explore the most affordable flight options available from Buffalo to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:44 am
BUF
-
LIS
2 stops31h 26m
British Airways
Thu 4/306:45 pm
LIS
-
BUF
2 stops31h 51m
British Airways
Deal found 2/10$509
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:07 am
BUF
-
LIS
1 stop23h 08m
United Airlines
Wed 3/1111:20 am
LIS
-
BUF
2 stops37h 26m
United Airlines
Deal found 2/10$541
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:52 am
BUF
-
LIS
2 stops17h 43m
Delta
Wed 3/1111:25 am
LIS
-
BUF
2 stops16h 49m
Delta
Deal found 2/9$552
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
BUF
-
LIS
1 stop20h 00m
Delta
Wed 4/295:35 am
LIS
-
BUF
2 stops18h 16m
Delta
Deal found 2/10$554
This Iberia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:31 am
BUF
-
LIS
2 stops25h 54m
Iberia
Tue 4/288:25 am
LIS
-
BUF
2 stops18h 11m
Iberia
Deal found 2/8$558
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:44 am
BUF
-
LIS
2 stops31h 26m
British Airways
Tue 4/286:45 pm
LIS
-
BUF
2 stops31h 51m
British Airways
Deal found 2/10$559
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:45 pm
BUF
-
LIS
1 stop9h 45m
United Airlines
Thu 4/305:05 am
LIS
-
BUF
2 stops18h 15m
United Airlines
Deal found 2/10$583

Find flight deals from Buffalo to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$509
(oojo)

One-way from

$347
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$640
Provider with most accurate pricing for Buffalo-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Lisbon Humberto Delgado flights.
Search Deals
From Buffalo to Lisbon Humberto Delgado
Search Deals
One-way flight from Buffalo to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Buffalo to Lisbon that are best for you.

Fly from

Buffalo

Fly to

Lisbon

Route

Depart

Return

Price

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/20

10:44 am-11:10 pm

2 stops31h 26m

Lisbon Humberto Delgado

Wed 4/29

7:20 am-9:36 pm

2 stops19h 16m

$509

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 3/4

6:07 am-10:15 am

1 stop23h 08m

Lisbon Humberto Delgado

Wed 3/11

11:20 am-8:46 pm

2 stops37h 26m

$541

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 3/4

11:52 am-10:35 am

2 stops17h 43m

Lisbon Humberto Delgado

Wed 3/11

11:25 am-12:14 am

2 stops16h 49m

$552

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/20

7:00 am-8:00 am

1 stop20h 00m

Lisbon Humberto Delgado

Wed 4/29

5:35 am-6:51 pm

2 stops18h 16m

$554

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 5/18

11:25 am-8:45 pm

3 stops52h 20m

$347

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 5/6

12:25 pm-10:15 am

1 stop16h 50m

$429

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 5/16

7:39 pm-10:45 am

2 stops34h 06m

$432

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 5/6

1:08 pm-9:05 pm

3 stops50h 57m

$442

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 5/14

1:08 pm-8:50 pm

3 stops50h 42m

$463

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 5/17

6:00 am-9:00 am

2 stops46h 00m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 15 results
1
2

Compare providers for flights from Buffalo to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Lisbon in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Lisbon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Lisbon

What is the cheapest month to book a flight from Buffalo to Lisbon?

Currently, February is the cheapest month in which you can book a flight from Buffalo to Lisbon (average of $522). Flying from Buffalo to Lisbon in June is currently the most expensive (average of $1,015). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated February 11, 2026.
Peruse reviews from past customers who have flown with United Airlines and TAP AIR PORTUGAL from Buffalo to Lisbon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,274 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,274 reviews
United Airlines
7.4
Good
9,274 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
TAP AIR PORTUGAL
7.1
Good
2,139 reviews
United Airlines
7.4
Good
9,274 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Lisbon?

    Departing from Buffalo to Lisbon will take you 17h 43m. The distance from Buffalo to Lisbon is about 3540 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Buffalo to Lisbon round-trip?

    Cheapflights users have booked flights from Buffalo to Lisbon round-trip from $628. Another airline that can offer you cheap pricing is TAP AIR PORTUGAL. These flights start at 32% lower than the current average price 3 months from now.

  • Can I find deals for flights from Buffalo to Lisbon that include hotel bookings?

    Yes. In addition to deals on Buffalo to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Lisbon.

  • Can I find deals for business class flights from Buffalo to Lisbon?

    Yes. Cheapflights offers flight deals from Buffalo to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from Buffalo to Lisbon (average of $522). Flying from Buffalo to Lisbon in June is currently the most expensive (average of $1,015). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Buffalo to Lisbon

Discover the top 2 airlines that operate flights from Buffalo to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$863FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$699Average$964FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.