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Lisbon

$379+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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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 April 17, 2026.

This United Airlines deal was found by Cheapflights users on 4/16. 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 10/2610:20 am
BUF
-
LIS
1 stop19h 55m
United Airlines
Sun 11/155:00 am
LIS
-
BUF
2 stops17h 59m
United Airlines
Deal found 4/16$707
This United Airlines deal was found by Cheapflights users on 4/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:44 pm
BUF
-
LIS
1 stop14h 31m
United Airlines
Tue 11/171:00 pm
LIS
-
BUF
2 stops31h 16m
United Airlines
Deal found 4/12$712
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 10/271:00 pm
BUF
-
LIS
2 stops16h 00m
Delta
Mon 11/165:30 am
LIS
-
BUF
2 stops23h 20m
Delta
Deal found 4/16$716
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 10/271:15 pm
BUF
-
LIS
1 stop14h 45m
Delta
Fri 11/135:00 am
LIS
-
BUF
2 stops18h 54m
Delta
Deal found 4/16$717
This United Airlines deal was found by Cheapflights users on 4/16. 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 10/277:30 pm
BUF
-
LIS
1 stop10h 45m
United Airlines
Sat 11/1411:55 am
LIS
-
BUF
1 stop11h 31m
United Airlines
Deal found 4/16$719
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 10/252:44 pm
BUF
-
LIS
2 stops13h 26m
United Airlines
Tue 11/175:00 am
LIS
-
BUF
2 stops20h 31m
United Airlines
Deal found 4/16$720
This Delta deal was found by Cheapflights users on 4/16. 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 10/2612:50 pm
BUF
-
LIS
2 stops18h 30m
Delta
Fri 11/135:00 am
LIS
-
BUF
2 stops18h 54m
Delta
Deal found 4/16$722
This Air France deal was found by Cheapflights users on 4/16. 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.
Mon 10/264:00 pm
BUF
-
LIS
2 stops15h 20m
Air France
Sat 11/1411:15 am
LIS
-
BUF
2 stops16h 50m
Air France
Deal found 4/16$724
This Virgin Atlantic deal was found by Cheapflights users on 4/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
BUF
-
LIS
1 stop20h 00m
Virgin Atlantic
Tue 11/1710:00 am
LIS
-
BUF
1 stop13h 54m
Virgin Atlantic
Deal found 4/12$727
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 10/256:45 pm
BUF
-
LIS
1 stop9h 25m
United Airlines
Mon 11/1611:55 am
LIS
-
BUF
1 stop26h 52m
United Airlines
Deal found 4/16$728
This Air Canada deal was found by Cheapflights users on 4/16. 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.
Sat 10/247:00 am
BUF
-
LIS
2 stops24h 00m
Air Canada
Tue 11/1711:20 am
LIS
-
BUF
2 stops51h 29m
Air Canada
Deal found 4/16$731
This Delta deal was found by Cheapflights users on 4/16. 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.
Sat 10/2411:15 am
BUF
-
LIS
2 stops17h 45m
Delta
Sun 11/1511:15 am
LIS
-
BUF
2 stops16h 43m
Delta
Deal found 4/16$732

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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$808
(KLM)

One-way from

$379
(oojo)

Popular in

June

Cheapest in

February

Average price

$658
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. 25% potential increase in price ($342 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($88 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 17, 2026.
Use the filters below to find and compare flights from Buffalo to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 5/5

7:00 am-8:00 am

1 stop20h 00m

Lisbon Humberto Delgado

Tue 5/12

5:00 am-6:51 pm

2 stops18h 51m

$808

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/12

7:15 pm-2:55 pm

2 stops14h 40m

Lisbon Humberto Delgado

Thu 10/22

5:00 am-6:58 pm

2 stops18h 58m

$844

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 8/5

10:43 am-9:05 am

1 stop17h 22m

Lisbon Humberto Delgado

Wed 8/19

11:05 am-4:53 pm

1 stop10h 48m

$886
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/12

7:55 pm-10:30 am

1 stop9h 35m

Lisbon Humberto Delgado

Thu 10/22

10:25 am-6:22 pm

1 stop12h 57m

$887

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 4/30

2:34 pm-10:55 am

2 stops15h 21m

Lisbon Humberto Delgado

Tue 5/12

10:00 am-7:15 pm

1 stop14h 15m

$887
Cheapest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 9/22

12:58 pm-3:35 pm

2 stops21h 37m

$379

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/12

2:46 pm-5:55 pm

2 stops22h 09m

$379

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/12

7:15 pm-8:00 am

1 stop31h 45m

$406

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 8/19

1:03 pm-9:05 am

1 stop15h 02m

$418
Quickest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/12

2:44 pm-10:30 am

1 stop14h 46m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 12 resultsSorted by cheapest first
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 April.
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 $640). Flying from Buffalo to Lisbon in June is currently the most expensive (average of $1,957). 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.

How much does it cost to fly round-trip from Buffalo to Lisbon?

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 April 17, 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
9,602 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,602 reviews
United Airlines
7.4
Good
9,602 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
TAP AIR PORTUGAL
7.1
Good
2,207 reviews
United Airlines
7.4
Good
9,602 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 20h. The distance from Buffalo to Lisbon is about 3540 mi.

  • 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 36% 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 $640). Flying from Buffalo to Lisbon in June is currently the most expensive (average of $1,957). 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
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

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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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$876FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$699Average$955FlexibilityNo cancel feeOn-timeN/A

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