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Cheap flights from Buffalo to Lisbon from C$ 630

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
22 Apr — 29 Apr1
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 23 March 2026.

Sat 25/47:45 p.m.
BUF
-
LIS
2 stops14h 55m
United Airlines
Sat 2/56:15 a.m.
LIS
-
BUF
2 stops19h 46m
United Airlines
Deal found 22/3C$ 940
Sun 6/124:00 p.m.
BUF
-
LIS
1 stop11h 10m
United Airlines
Thu 10/125:00 a.m.
LIS
-
BUF
2 stops18h 26m
United Airlines
Deal found 19/3C$ 997
Sat 18/410:50 a.m.
BUF
-
LIS
2 stops18h 45m
United Airlines
Tue 28/45:05 a.m.
LIS
-
BUF
2 stops17h 11m
United Airlines
Deal found 20/3C$ 1,037
Sat 17/102:46 p.m.
BUF
-
LIS
1 stop13h 19m
Multiple Airlines
Wed 21/106:35 a.m.
LIS
-
BUF
2 stops18h 34m
Multiple Airlines
Deal found 20/3C$ 1,088
Sat 17/107:15 p.m.
BUF
-
LIS
2 stops17h 35m
Delta
Wed 21/109:50 a.m.
LIS
-
BUF
2 stops18h 15m
Delta
Deal found 20/3C$ 1,089
Mon 4/56:10 a.m.
BUF
-
LIS
2 stops21h 10m
United Airlines
Mon 11/511:25 a.m.
LIS
-
BUF
2 stops38h 36m
United Airlines
Deal found 19/3C$ 1,099
Sat 18/47:59 p.m.
BUF
-
LIS
1 stop31h 01m
Multiple Airlines
Tue 28/410:00 a.m.
LIS
-
BUF
1 stop19h 50m
Multiple Airlines
Deal found 21/3C$ 1,122
Fri 23/105:50 p.m.
BUF
-
LIS
2 stops35h 30m
United Airlines
Sat 31/1010:15 a.m.
LIS
-
BUF
2 stops28h 34m
United Airlines
Deal found 20/3C$ 1,132

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 23 March 2026.

Round-trip from

C$ 940

One-way from

C$ 630

Popular in

June

Cheapest in

February

Average price

C$ 1,231
United Airlines
  • United Airlines
  • 25/4-2/5
  • 4 total stops
  • 34h 41m total
  • Buffalo to Lisbon
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 16/8
  • 1 total stop
  • 18h 40m total
  • Buffalo to Lisbon
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 344 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 23 March 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 4/5

6:10 a.m.-8:20 a.m.

2 stops21h 10m

Lisbon Humberto Delgado

Mon 11/5

11:25 a.m.-9:01 p.m.

2 stops38h 36m

C$ 1,099

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 18/4

7:59 p.m.-8:00 a.m.

1 stop31h 01m

Lisbon Humberto Delgado

Tue 28/4

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

1 stop19h 50m

C$ 1,122

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 1/7

7:00 a.m.-8:20 a.m.

2 stops20h 20m

Lisbon Humberto Delgado

Wed 8/7

10:25 a.m.-11:59 p.m.

2 stops18h 34m

C$ 1,571

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 20/6

7:52 p.m.-11:00 a.m.

2 stops34h 08m

Lisbon Humberto Delgado

Tue 30/6

5:05 a.m.-7:03 p.m.

2 stops18h 58m

C$ 1,638

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 19/6

7:57 p.m.-6:45 p.m.

2 stops17h 48m

Lisbon Humberto Delgado

Mon 22/6

10:00 a.m.-12:38 a.m.

1 stop19h 38m

C$ 1,671

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 28/6

2:30 p.m.-10:45 a.m.

2 stops15h 15m

Lisbon Humberto Delgado

Sun 5/7

12:45 p.m.-12:02 a.m.

2 stops16h 17m

C$ 1,692
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 27/6

3:57 p.m.-8:00 a.m.

1 stop11h 03m

Lisbon Humberto Delgado

Sat 4/7

12:15 p.m.-12:38 a.m.

2 stops17h 23m

C$ 1,766

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 28/6

12:14 p.m.-10:55 a.m.

2 stops17h 41m

Lisbon Humberto Delgado

Sat 4/7

12:15 p.m.-12:38 a.m.

2 stops17h 23m

C$ 1,790

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 25/4

11:52 a.m.-3:45 p.m.

3 stops22h 53m

Lisbon Humberto Delgado

Sat 2/5

6:25 p.m.-7:19 p.m.

3 stops29h 54m

C$ 1,943
Cheapest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 16/8

6:00 a.m.-5:40 a.m.

1 stop18h 40m

C$ 630

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/3

Showing 1-10 of 19 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$ 716). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,392). 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.

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 21h 10m. Fly via United Airlines 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$ 716). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,392). 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
Fátima
Óbidos
Sintra
Costa da Caparica
Setúbal

Browse thousands of different options on Cheapflights for your next trip

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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.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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