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Cheap flights from Buffalo to Lisbon from C$ 513

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
10 Jun — 17 Jun1
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 11 May 2026.

Mon 19/107:15 p.m.
BUF
-
LIS
1 stop31h 45m
Multiple Airlines
Tue 10/1111:25 a.m.
LIS
-
BUF
2 stops17h 25m
Multiple Airlines
Deal found 7/5C$ 983
Mon 19/107:15 p.m.
BUF
-
LIS
2 stops14h 40m
Multiple Airlines
Wed 11/1111:25 a.m.
LIS
-
BUF
2 stops17h 25m
Multiple Airlines
Deal found 7/5C$ 990
Sat 17/107:15 p.m.
BUF
-
LIS
1 stop31h 45m
Delta
Wed 11/115:30 a.m.
LIS
-
BUF
2 stops18h 24m
Delta
Deal found 7/5C$ 993
Sun 18/1011:15 a.m.
BUF
-
LIS
1 stop15h 45m
Delta
Thu 12/115:00 a.m.
LIS
-
BUF
2 stops23h 50m
Delta
Deal found 7/5C$ 995
Tue 20/1011:15 a.m.
BUF
-
LIS
1 stop15h 45m
Delta
Fri 13/1110:00 a.m.
LIS
-
BUF
1 stop13h 54m
Delta
Deal found 7/5C$ 998
Sat 17/107:15 p.m.
BUF
-
LIS
1 stop31h 45m
Delta
Thu 12/115:00 a.m.
LIS
-
BUF
2 stops23h 50m
Delta
Deal found 7/5C$ 1,002
Mon 19/107:15 p.m.
BUF
-
LIS
1 stop31h 45m
Multiple Airlines
Mon 9/1111:25 a.m.
LIS
-
BUF
2 stops17h 25m
Multiple Airlines
Deal found 7/5C$ 1,052
Sun 6/124:00 p.m.
BUF
-
LIS
1 stop11h 10m
United Airlines
Thu 10/121:00 p.m.
LIS
-
BUF
2 stops32h 47m
United Airlines
Deal found 7/5C$ 1,060
Thu 22/103:50 p.m.
BUF
-
LIS
1 stop11h 10m
Delta
Wed 11/115:30 a.m.
LIS
-
BUF
2 stops18h 24m
Delta
Deal found 7/5C$ 1,061
Mon 7/126:00 a.m.
BUF
-
LIS
2 stops22h 50m
United Airlines
Thu 10/121:00 p.m.
LIS
-
BUF
2 stops32h 47m
United Airlines
Deal found 10/5C$ 1,065

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 11 May 2026.

Round-trip from

C$ 983

One-way from

C$ 513

Popular in

June

Cheapest in

February

Average price

C$ 1,336
KLM
  • KLM
  • 19/10-10/11
  • 3 total stops
  • 49h 10m total
  • Buffalo to Lisbon
Search Deals
United Airlines
  • United Airlines
  • 12/10
  • 2 total stops
  • 34h 30m total
  • Buffalo to Lisbon
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 481 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 158 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 11 May 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 17/10

7:15 p.m.-8:00 a.m.

1 stop31h 45m

Lisbon Humberto Delgado

Thu 12/11

10:00 a.m.-6:54 p.m.

1 stop13h 54m

C$ 998

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 18/10

3:50 p.m.-8:00 a.m.

1 stop11h 10m

Lisbon Humberto Delgado

Fri 13/11

10:00 a.m.-11:50 p.m.

1 stop18h 50m

C$ 998

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 18/10

7:25 p.m.-2:55 p.m.

2 stops14h 30m

Lisbon Humberto Delgado

Tue 10/11

11:25 a.m.-11:50 p.m.

2 stops17h 25m

C$ 1,001
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 23/10

5:40 p.m.-10:45 a.m.

2 stops12h 05m

Lisbon Humberto Delgado

Fri 13/11

10:00 a.m.-6:54 p.m.

1 stop13h 54m

C$ 1,067

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/10

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

1 stop20h 00m

Lisbon Humberto Delgado

Thu 22/10

11:55 a.m.-11:50 p.m.

2 stops16h 55m

C$ 1,149

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/10

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

1 stop15h 45m

Lisbon Humberto Delgado

Thu 22/10

5:00 a.m.-6:58 p.m.

2 stops18h 58m

C$ 1,149

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/10

5:50 p.m.-11:05 a.m.

2 stops36h 15m

Lisbon Humberto Delgado

Thu 22/10

1:00 p.m.-8:31 p.m.

2 stops36h 31m

C$ 1,151
Cheapest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/10

5:50 p.m.-11:05 a.m.

2 stops36h 15m

C$ 520
Quickest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/10

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

1 stop15h 45m

C$ 533

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 22/9

7:25 p.m.-5:50 p.m.

2 stops17h 25m

C$ 540

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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$ 875). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 2,718). 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 31h 45m. Fly via Delta to get the fastest option. Buffalo and Lisbon are separated by a distance of 5697 km.

  • 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$ 875). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 2,718). 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.
Newark to Lisbon flights
John F Kennedy Intl to Lisbon flights

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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