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Cheap flights from Buffalo to Lisbon from C$ 434

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
31 Dec — 7 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 1 December 2025.

Round-trip from

C$ 643

One-way from

C$ 434

Popular in

June

Cheapest in

February

Average price

C$ 1,696
KLM
  • KLM
  • 13/1-20/1
  • 3 total stops
  • 36h 59m total
  • Buffalo to Lisbon
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15/1
  • 15/1
  • 3 total stops
  • 43h 12m total
  • Buffalo to Lisbon
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Highest demand for flights based on searches. 17% potential increase in price (C$ 392 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 71 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Find 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 1 December 2025.

Wed 10/1210:27 a.m.BUF - LIS
2 stops16h 33mDelta
Sun 14/1211:15 a.m.LIS - BUF
2 stops16h 47mDelta
Deal found 29/11C$ 712
Wed 10/1210:10 a.m.BUF - LIS
1 stop19h 05mUnited Airlines
Sun 14/1210:15 a.m.LIS - BUF
1 stop12h 36mUnited Airlines
Deal found 30/11C$ 795
Mon 1/123:45 p.m.BUF - LIS
1 stop12h 15mKLM
Mon 8/1211:25 a.m.LIS - BUF
2 stops17h 51mKLM
Deal found 30/11C$ 1,046
Mon 1/121:11 p.m.BUF - LIS
2 stops17h 09mDelta
Mon 8/1211:25 a.m.LIS - BUF
2 stops17h 51mDelta
Deal found 30/11C$ 1,052
Sun 14/126:19 p.m.BUF - LIS
1 stop10h 56mTAP AIR PORTUGAL
Wed 24/1211:40 a.m.LIS - BUF
1 stop12h 48mTAP AIR PORTUGAL
Deal found 30/11C$ 1,841
Sun 14/123:32 p.m.BUF - LIS
1 stop12h 33mBritish Airways
Tue 23/1211:05 a.m.LIS - BUF
1 stop17h 04mBritish Airways
Deal found 30/11C$ 1,903
Mon 29/127:48 p.m.BUF - LIS
1 stop9h 27mMultiple Airlines
Mon 5/17:55 p.m.LIS - BUF
2 stops28h 30mMultiple Airlines
Deal found 1/12C$ 2,006
Mon 29/122:50 p.m.BUF - LIS
2 stops37h 30mUnited Airlines
Mon 5/111:20 a.m.LIS - BUF
2 stops27h 26mUnited Airlines
Deal found 1/12C$ 2,013
Sun 14/1211:48 a.m.BUF - LIS
1 stop17h 27mTAP AIR PORTUGAL
Sun 21/1211:30 a.m.LIS - BUF
1 stop12h 58mTAP AIR PORTUGAL
Deal found 30/11C$ 2,017

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 1 December 2025.
Use the filters below to find and compare flights from Buffalo to Lisbon that are best for you.

Fly from

Buffalo

Fly to

Lisbon

Route

Depart

Return

Price

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 13/1

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

1 stop20h 00m

Lisbon Humberto Delgado

Tue 20/1

5:00 a.m.-4:59 p.m.

2 stops16h 59m

C$ 643

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 15/1

5:44 p.m.-2:35 p.m.

2 stops15h 51m

Lisbon Humberto Delgado

Thu 22/1

10:00 a.m.-10:57 p.m.

2 stops17h 57m

C$ 672

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 15/1

5:44 p.m.-2:35 p.m.

2 stops15h 51m

Lisbon Humberto Delgado

Thu 22/1

10:00 a.m.-12:16 a.m.

1 stop19h 16m

C$ 672

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/1

11:51 a.m.-11:20 a.m.

2 stops18h 29m

Lisbon Humberto Delgado

Tue 20/1

5:00 a.m.-4:59 p.m.

2 stops16h 59m

C$ 680

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 3/2

7:00 a.m.-3:40 p.m.

3 stops27h 40m

Lisbon Humberto Delgado

Wed 11/2

7:05 a.m.-12:16 a.m.

2 stops22h 11m

C$ 742

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 3/2

3:38 p.m.-8:00 a.m.

1 stop11h 22m

Lisbon Humberto Delgado

Wed 11/2

10:00 a.m.-7:02 p.m.

1 stop14h 02m

C$ 742

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 3/2

11:51 a.m.-8:00 a.m.

1 stop15h 09m

Lisbon Humberto Delgado

Wed 11/2

10:00 a.m.-12:16 a.m.

1 stop19h 16m

C$ 742

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 15/1

8:58 p.m.-9:10 p.m.

3 stops43h 12m

C$ 434

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 15/1

10:00 a.m.-10:15 a.m.

1 stop19h 15m

C$ 553

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 1/1

7:48 p.m.-10:15 a.m.

1 stop9h 27m

C$ 687

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/11

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, November is the cheapest month in which you can book a flight from Buffalo to Lisbon (average of C$ 759). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,428). 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.

What is the cheapest time of day to fly from BUF to LIS?

Find hourly flight availability from Buffalo to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 December 2025.

It’s typically best to fly out from Buffalo to Lisbon at noon. Doing so could potentially save you 50% on the flight price compared to flying in the morning, which is usually more expensive.

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 20h. Fly via KLM 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, November is the cheapest month in which you can book a flight from Buffalo to Lisbon (average of C$ 759). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,428). 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
Costa da Caparica
Fátima
Sintra
Óbidos
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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