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Cheap flights from Buffalo to Lisbon from C$ 574

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
10 May — 17 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 10 April 2026.

Tue 8/124:00 p.m.
BUF
-
LIS
1 stop11h 10m
United Airlines
Fri 11/121:00 p.m.
LIS
-
BUF
2 stops36h 31m
United Airlines
Deal found 9/4C$ 1,000
Sat 18/41:52 p.m.
BUF
-
LIS
2 stops39h 38m
United Airlines
Tue 28/45:05 a.m.
LIS
-
BUF
2 stops23h 45m
United Airlines
Deal found 9/4C$ 1,069
Tue 5/57:00 a.m.
BUF
-
LIS
1 stop20h 00m
KLM
Tue 12/510:00 a.m.
LIS
-
BUF
1 stop19h 19m
KLM
Deal found 6/4C$ 1,101
Tue 5/510:44 a.m.
BUF
-
LIS
1 stop17h 21m
American Airlines
Tue 12/58:25 a.m.
LIS
-
BUF
2 stops18h 11m
American Airlines
Deal found 7/4C$ 1,108

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 10 April 2026.

Round-trip from

C$ 1,086

One-way from

C$ 574

Popular in

June

Cheapest in

February

Average price

C$ 910
KLM
  • KLM
  • 5/5-12/5
  • 3 total stops
  • 38h 44m total
  • Buffalo to Lisbon
Search Deals
United Airlines
  • United Airlines
  • 17/8
  • 1 total stop
  • 14h 22m total
  • Buffalo to Lisbon
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 659 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 169 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 10 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

Tue 5/5

7:00 a.m.-8:00 a.m.

1 stop20h 00m

Lisbon Humberto Delgado

Tue 12/5

5:00 a.m.-6:44 p.m.

2 stops18h 44m

C$ 1,086

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 5/5

11:49 a.m.-9:05 a.m.

2 stops16h 16m

Lisbon Humberto Delgado

Tue 12/5

8:25 a.m.-9:36 p.m.

2 stops18h 11m

C$ 1,111

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 30/9

10:50 a.m.-8:20 a.m.

2 stops16h 30m

Lisbon Humberto Delgado

Wed 7/10

5:05 a.m.-11:26 p.m.

2 stops23h 21m

C$ 1,166

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 20/9

2:30 p.m.-10:15 a.m.

1 stop14h 45m

Lisbon Humberto Delgado

Sun 27/9

11:55 a.m.-11:14 a.m.

1 stop28h 19m

C$ 1,332

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 20/9

11:15 a.m.-8:00 a.m.

1 stop15h 45m

Lisbon Humberto Delgado

Sun 27/9

11:55 a.m.-11:56 p.m.

2 stops17h 01m

C$ 1,414
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 4/9

2:46 p.m.-9:05 a.m.

1 stop13h 19m

Lisbon Humberto Delgado

Sat 12/9

6:35 a.m.-8:09 p.m.

2 stops18h 34m

C$ 1,664

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 23/9

6:00 a.m.-9:20 a.m.

2 stops22h 20m

Lisbon Humberto Delgado

Sun 27/9

12:20 p.m.-11:26 p.m.

1 stop16h 06m

C$ 1,728
Cheapest one-way
Quickest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 17/8

3:08 p.m.-10:30 a.m.

1 stop14h 22m

C$ 574

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 6/8

6:00 a.m.-10:30 a.m.

1 stop23h 30m

C$ 639

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Sorted by cheapest first

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$ 722). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,404). 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 16h 16m. Fly via KLM, American Airlines, or United Airlines 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$ 722). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,404). 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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Fly with Cheapflights

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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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