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Cheap flights from Buffalo to Lisbon from C$ 542

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Lisbon

Enter your travel dates to find the best prices.

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 2 April 2026.

Mon 9/114:00 p.m.
BUF
-
LIS
1 stop11h 10m
United Airlines
Fri 13/1111:20 a.m.
LIS
-
BUF
2 stops38h 11m
United Airlines
Deal found 29/3C$ 1,004
Sat 18/46:55 p.m.
BUF
-
LIS
2 stops34h 35m
United Airlines
Tue 28/46:45 a.m.
LIS
-
BUF
2 stops18h 58m
United Airlines
Deal found 31/3C$ 1,074
Sat 18/47:36 p.m.
BUF
-
LIS
2 stops18h 09m
Delta
Tue 28/45:00 a.m.
LIS
-
BUF
2 stops18h 35m
Delta
Deal found 2/4C$ 1,135
Mon 12/107:25 p.m.
BUF
-
LIS
2 stops14h 30m
Delta
Thu 22/105:00 a.m.
LIS
-
BUF
2 stops18h 58m
Delta
Deal found 1/4C$ 1,171
Mon 12/102:44 p.m.
BUF
-
LIS
1 stop14h 46m
United Airlines
Thu 22/1010:25 a.m.
LIS
-
BUF
1 stop12h 57m
United Airlines
Deal found 31/3C$ 1,181

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 2 April 2026.

Round-trip from

C$ 1,074

One-way from

C$ 542

Popular in

June

Cheapest in

February

Average price

C$ 892
United Airlines
  • United Airlines
  • 18/4-28/4
  • 4 total stops
  • 53h 19m total
  • Buffalo to Lisbon
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 21/7
  • 2 total stops
  • 17h 42m total
  • Buffalo to Lisbon
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 352 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 78 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 629,999 searches. Data last updated 2 April 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

Sat 18/4

7:36 p.m.-6:45 p.m.

2 stops18h 09m

Lisbon Humberto Delgado

Tue 28/4

5:00 a.m.-6:35 p.m.

2 stops18h 35m

C$ 1,135

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 24/4

7:36 p.m.-6:45 p.m.

2 stops18h 09m

Lisbon Humberto Delgado

Sat 2/5

10:00 a.m.-7:19 p.m.

1 stop14h 19m

C$ 1,260

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 30/4

10:41 a.m.-10:15 a.m.

1 stop18h 34m

Lisbon Humberto Delgado

Fri 15/5

12:00 p.m.-10:32 p.m.

1 stop15h 32m

C$ 1,279
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 18/4

3:32 p.m.-8:00 a.m.

1 stop11h 28m

Lisbon Humberto Delgado

Tue 28/4

10:00 a.m.-12:50 a.m.

1 stop19h 50m

C$ 1,386

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 16/9

11:15 a.m.-8:40 p.m.

3 stops28h 25m

Lisbon Humberto Delgado

Wed 30/9

7:15 a.m.-11:56 p.m.

2 stops21h 41m

C$ 1,427

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 3/9

3:50 p.m.-2:35 p.m.

2 stops17h 45m

Lisbon Humberto Delgado

Fri 11/9

10:00 a.m.-11:56 p.m.

1 stop18h 56m

C$ 1,477

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 3/6

10:32 a.m.-8:00 a.m.

1 stop16h 28m

Lisbon Humberto Delgado

Thu 11/6

5:00 a.m.-6:27 p.m.

2 stops18h 27m

C$ 1,616

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/5

7:00 a.m.-3:50 p.m.

2 stops27h 50m

Lisbon Humberto Delgado

Fri 8/5

9:15 p.m.-7:15 p.m.

3 stops27h 00m

C$ 1,663

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 18/5

3:53 p.m.-2:35 p.m.

2 stops17h 42m

Lisbon Humberto Delgado

Mon 1/6

11:55 a.m.-11:59 p.m.

2 stops17h 04m

C$ 1,664

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 17/5

10:44 a.m.-9:05 a.m.

1 stop17h 21m

Lisbon Humberto Delgado

Sun 24/5

7:20 a.m.-9:57 p.m.

2 stops19h 37m

C$ 1,675

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/3

Showing 1-10 of 15 resultsSorted by cheapest first
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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 C$ 725). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,410). 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?

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?

    There are many flights that can get you from Buffalo to Lisbon in 11h 28m. Fly via Delta, TAP AIR PORTUGAL, or KLM to get the fastest option. Buffalo and Lisbon are separated by a distance of 5697 km. This flight may include one or multiple stops.

  • 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 C$ 725). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,410). 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

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Óbidos
Costa da Caparica
Setúbal

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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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How does Cheapflights help users find flights from Buffalo to Lisbon?

Deals for Buffalo to Lisbon flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Lisbon?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Buffalo to Lisbon for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Buffalo to Lisbon with no change fees?

Certainly. Search results for flights to Lisbon from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Buffalo to Lisbon become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Lisbon from Buffalo today and book when prices fit your budget.

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