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Cheap flights from Buffalo to Lisbon from C$ 351

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
7 Feb — 14 Feb1
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 8 January 2026.

Round-trip from

C$ 632

One-way from

C$ 351

Popular in

June

Cheapest in

February

Average price

C$ 1,449
KLM
  • KLM
  • 3/2-11/2
  • 2 total stops
  • 25h 24m total
  • Buffalo to Lisbon
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23/3
  • 23/3
  • 2 total stops
  • 44h 20m total
  • Buffalo to Lisbon
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Highest demand for flights based on searches. 16% potential increase in price (C$ 355 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 January 2026
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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 8 January 2026.

Tue 3/23:38 p.m.BUF - LIS
1 stop11h 22mKLM
Wed 11/210:00 a.m.LIS - BUF
1 stop14h 02mKLM
Deal found 7/1C$ 632
Tue 3/211:51 a.m.BUF - LIS
1 stop15h 09mDelta
Wed 11/210:00 a.m.LIS - BUF
2 stops17h 57mDelta
Deal found 7/1C$ 639
Sat 18/47:59 p.m.BUF - LIS
1 stop31h 01mMultiple Airlines
Tue 28/410:00 a.m.LIS - BUF
1 stop14h 19mMultiple Airlines
Deal found 7/1C$ 640
Sun 22/23:39 p.m.BUF - LIS
1 stop12h 16mKLM
Sun 1/311:25 a.m.LIS - BUF
2 stops17h 49mKLM
Deal found 8/1C$ 654
Tue 3/25:44 p.m.BUF - LIS
2 stops16h 26mMultiple Airlines
Wed 11/210:00 a.m.LIS - BUF
1 stop19h 16mMultiple Airlines
Deal found 8/1C$ 658
Sun 22/26:00 a.m.BUF - LIS
1 stop23h 15mUnited Airlines
Sun 1/35:00 a.m.LIS - BUF
2 stops23h 44mUnited Airlines
Deal found 8/1C$ 684
Fri 6/211:22 a.m.BUF - LIS
2 stops30h 03mBritish Airways
Tue 10/24:00 p.m.LIS - BUF
2 stops36h 48mBritish Airways
Deal found 7/1C$ 730
Fri 6/28:30 a.m.BUF - LIS
2 stops18h 40mUnited Airlines
Tue 10/210:15 a.m.LIS - BUF
1 stop12h 25mUnited Airlines
Deal found 6/1C$ 828

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 8 January 2026.
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 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$ 632

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.-10:57 p.m.

2 stops17h 57m

C$ 639

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.-7:19 p.m.

1 stop14h 19m

C$ 640

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 3/2

5:44 p.m.-3:10 p.m.

2 stops16h 26m

Lisbon Humberto Delgado

Wed 11/2

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

1 stop19h 16m

C$ 658

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 22/2

6:00 a.m.-10:15 a.m.

1 stop23h 15m

Lisbon Humberto Delgado

Sun 1/3

5:00 a.m.-11:44 p.m.

2 stops23h 44m

C$ 684

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 6/2

11:22 a.m.-10:25 p.m.

2 stops30h 03m

Lisbon Humberto Delgado

Tue 10/2

10:35 a.m.-11:48 p.m.

2 stops42h 13m

C$ 730

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 6/2

8:30 a.m.-8:10 a.m.

2 stops18h 40m

Lisbon Humberto Delgado

Tue 10/2

10:15 a.m.-5:40 p.m.

1 stop12h 25m

C$ 828

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 23/3

9:25 p.m.-9:45 p.m.

2 stops44h 20m

C$ 351

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 9/3

12:50 p.m.-4:55 p.m.

3 stops48h 05m

C$ 433

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 8/3

9:25 p.m.-4:10 p.m.

3 stops38h 45m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 18 results
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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$ 724). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,403). 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 11h 22m. Fly via KLM, Delta, 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$ 724). Flying from Buffalo to Lisbon in June is currently the most expensive (average of C$ 1,403). 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
Costa da Caparica
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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