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Cheap flights from Buffalo to Lisbon from C$ 521

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
2 Sep — 9 Sep1
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 3 August 2026.

Mon 26/106:00 a.m.
BUF
-
LIS
1 stop24h 20m
United Airlines
Wed 4/115:00 a.m.
LIS
-
BUF
2 stops22h 59m
United Airlines
Deal found 29/7C$ 999
Mon 12/107:59 p.m.
BUF
-
LIS
2 stops31h 21m
United Airlines
Thu 22/101:00 p.m.
LIS
-
BUF
2 stops32h 43m
United Airlines
Deal found 2/8C$ 1,045
Mon 12/107:50 p.m.
BUF
-
LIS
2 stops17h 00m
Delta
Thu 22/1010:00 a.m.
LIS
-
BUF
1 stop18h 59m
Delta
Deal found 30/7C$ 1,065
Wed 14/107:50 p.m.
BUF
-
LIS
2 stops17h 00m
Delta
Tue 20/105:00 a.m.
LIS
-
BUF
2 stops18h 56m
Delta
Deal found 30/7C$ 1,070
Mon 7/1211:40 a.m.
BUF
-
LIS
1 stop15h 30m
United Airlines
Fri 11/1211:20 a.m.
LIS
-
BUF
2 stops40h 17m
United Airlines
Deal found 2/8C$ 1,077
Sat 31/108:55 p.m.
BUF
-
LIS
1 stop31h 15m
United Airlines
Wed 4/115:00 a.m.
LIS
-
BUF
2 stops19h 04m
United Airlines
Deal found 29/7C$ 1,096

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 3 August 2026.

Round-trip from

C$ 998

One-way from

C$ 521

Popular in

January

Cheapest in

February

Average price

C$ 1,931
Delta
  • Delta
  • 30/1-2/3
  • 3 total stops
  • 50h 09m total
  • Buffalo to Lisbon
Search Deals
United Airlines
  • United Airlines
  • 31/10
  • 1 total stop
  • 31h 15m total
  • Buffalo to Lisbon
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 521 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 199 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 3 August 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

Mon 26/10

6:00 a.m.-10:20 a.m.

1 stop24h 20m

Lisbon Humberto Delgado

Wed 4/11

5:00 a.m.-10:59 p.m.

2 stops22h 59m

C$ 999

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 30/1

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

1 stop31h 45m

Lisbon Humberto Delgado

Wed 3/3

5:00 a.m.-6:54 p.m.

2 stops18h 54m

C$ 1,002

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 30/1

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

1 stop31h 45m

Lisbon Humberto Delgado

Fri 5/3

5:30 a.m.-6:54 p.m.

2 stops18h 24m

C$ 1,007

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 30/1

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

1 stop31h 45m

Lisbon Humberto Delgado

Thu 4/3

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

1 stop13h 54m

C$ 1,026

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/10

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

2 stops17h 00m

Lisbon Humberto Delgado

Thu 22/10

10:00 a.m.-11:59 p.m.

1 stop18h 59m

C$ 1,065

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 14/10

3:53 p.m.-8:00 a.m.

1 stop11h 07m

Lisbon Humberto Delgado

Tue 20/10

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

2 stops17h 04m

C$ 1,065
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 29/1

4:00 p.m.-8:00 a.m.

1 stop11h 00m

Lisbon Humberto Delgado

Tue 2/3

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

1 stop13h 54m

C$ 1,075

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 7/12

11:40 a.m.-8:10 a.m.

1 stop15h 30m

Lisbon Humberto Delgado

Fri 11/12

11:20 a.m.-10:37 p.m.

2 stops40h 17m

C$ 1,077

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 30/1

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

1 stop31h 45m

Lisbon Humberto Delgado

Sat 6/3

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

1 stop13h 54m

C$ 1,082
Cheapest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 31/10

8:55 p.m.-8:10 a.m.

1 stop31h 15m

C$ 521

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

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

Airfare is below average for this route at the moment.

Buffalo to Lisbon flights typically cost between C$ 1,844 and C$ 2,023 in January.
The cheapest round-trip price found within the last 5 days was C$ 998 on Delta (30 Jan-2 Mar).

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 24h 20m. Fly via United Airlines or Delta 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.

See more FAQs

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Sintra
Óbidos
Estoril
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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