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$445+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheap 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 May 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$627
(United Airlines)

One-way from

$445
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$1,298
Provider with most accurate pricing for Buffalo-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Lisbon Humberto Delgado flights.
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From Buffalo to Lisbon Humberto Delgado
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One-way flight from Buffalo to Lisbon Humberto Delgado
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 May 12, 2025.

This Justfly.com deal was found by Cheapflights users on 5/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:50 amBUF - LIS
2 stops17h 30mAir Canada
Wed 11/2611:00 amLIS - BUF
2 stops31h 10mAir Canada
Deal found 5/11$561
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 11/1810:20 amBUF - LIS
1 stop18h 55mUnited Airlines
Tue 11/2510:15 amLIS - BUF
1 stop12h 44mUnited Airlines
Deal found 5/11$577
This Air Canada deal was found by Cheapflights users on 5/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:50 amBUF - LIS
3 stops17h 30mMultiple Airlines
Tue 11/2511:00 amLIS - BUF
2 stops17h 26mMultiple Airlines
Deal found 5/11$584
This Ovago deal was found by Cheapflights users on 5/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:30 pmBUF - LIS
1 stop11h 35mBritish Airways
Thu 11/2010:55 amLIS - BUF
1 stop16h 36mBritish Airways
Deal found 5/11$649
This Lufthansa deal was found by Cheapflights users on 5/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:45 pmBUF - LIS
2 stops36h 55mLufthansa
Thu 11/203:55 pmLIS - BUF
2 stops36h 41mLufthansa
Deal found 5/11$679
This Scandinavian Airlines deal was found by Cheapflights users on 5/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/23:30 pmBUF - LIS
2 stops36h 25mScandinavian Airlines
Mon 11/34:55 pmLIS - BUF
2 stops35h 55mScandinavian Airlines
Deal found 5/11$751
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:34 amBUF - LIS
1 stop16h 31mAmerican Airlines
Wed 10/2211:05 amLIS - BUF
1 stop16h 19mAmerican Airlines
Deal found 5/11$761
This Justfly.com deal was found by Cheapflights users on 5/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:00 pmBUF - LIS
1 stop11h 10mTAP AIR PORTUGAL
Thu 10/305:15 pmLIS - BUF
1 stop18h 45mTAP AIR PORTUGAL
Deal found 5/11$881
This Air France deal was found by Cheapflights users on 5/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:40 amBUF - LIS
1 stop15h 20mAir France
Sat 11/15:30 amLIS - BUF
2 stops17h 25mAir France
Deal found 5/11$1,129
This Delta deal was found by Cheapflights users on 5/11. 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 10/11:59 pmBUF - LIS
2 stops15h 46mDelta
Sun 11/210:00 amLIS - BUF
1 stop18h 50mDelta
Deal found 5/11$1,308
This Brussels Airlines deal was found by Cheapflights users on 5/12. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/272:45 pmBUF - LIS
2 stops15h 25mBrussels Airlines
Fri 6/67:55 pmLIS - BUF
2 stops28h 01mBrussels Airlines
Deal found 5/12$1,327

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 May 12, 2025.
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

Sat 11/1

6:00 am-9:20 am

2 stops23h 20m

Lisbon Humberto Delgado

Thu 11/20

10:15 am-5:59 pm

1 stop12h 44m

$627

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 11/1

4:30 pm-8:05 am

1 stop11h 35m

Lisbon Humberto Delgado

Thu 11/20

10:55 am-10:31 pm

1 stop16h 36m

$649

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 11/1

6:45 pm-11:40 am

2 stops36h 55m

Lisbon Humberto Delgado

Thu 11/20

3:55 pm-11:36 pm

2 stops36h 41m

$679

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 10/4

5:54 pm-9:20 am

2 stops34h 26m

Lisbon Humberto Delgado

Thu 10/30

11:00 am-8:31 pm

2 stops37h 31m

$747

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 10/2

3:30 pm-8:55 am

2 stops36h 25m

Lisbon Humberto Delgado

Mon 11/3

4:55 pm-11:50 pm

2 stops35h 55m

$751

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 10/8

10:50 am-9:20 am

3 stops17h 30m

Lisbon Humberto Delgado

Wed 10/22

11:25 am-9:36 pm

2 stops15h 11m

$758

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 10/8

11:34 am-9:05 am

1 stop16h 31m

Lisbon Humberto Delgado

Wed 10/22

11:05 am-10:24 pm

1 stop16h 19m

$761

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 10/1

6:00 pm-10:10 am

1 stop11h 10m

Lisbon Humberto Delgado

Thu 10/30

5:15 pm-8:00 am

1 stop18h 45m

$881

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 10/2

11:40 am-8:00 am

1 stop15h 20m

Lisbon Humberto Delgado

Sat 11/1

5:30 am-6:55 pm

2 stops17h 25m

$1,129

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 10/1

1:59 pm-10:45 am

2 stops15h 46m

Lisbon Humberto Delgado

Sun 11/2

10:00 am-11:50 pm

1 stop18h 50m

$1,308

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 14 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buffalo-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, January is the cheapest month in which you can book a flight from Buffalo to Lisbon (average of $612). Flying from Buffalo to Lisbon in June is currently the most expensive (average of $1,169). 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.

What is the cheapest time of day to fly from BUF to LIS?

Find hourly flight availability from Buffalo to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Lisbon at noon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 May 12, 2025.
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air France
7.5
Good
1,450 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,724 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Scandinavian Airlines
7.3
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Brussels Airlines
7.3
Good
347 reviews
Delta
8.0
Very good
7,950 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

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

    Cheapflights users have booked flights from Buffalo to Lisbon round-trip from $627. Other airlines that can offer you cheap pricing are British Airways, from $649, and Lufthansa, from $679. These flights start at 41% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Buffalo to Lisbon one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $445. However, be on the lookout for offers from Air Canada and Lufthansa, as they are both options that can get you from Buffalo to Lisbon for a low price.

  • 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, January is the cheapest month in which you can book a flight from Buffalo to Lisbon (average of $612). Flying from Buffalo to Lisbon in June is currently the most expensive (average of $1,169). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Sintra
Beja
Nazaré
Costa da Caparica
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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Alternative routes for Buffalo to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Buffalo to Lisbon

Discover the top 4 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$449Average$678FlexibilityNo cancel feeOn-time71%
DeltaCheapest$560Average$1,124FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$565Average$1,049FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$807Average$1,164FlexibilityNo cancel feeOn-timeN/A

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