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Cheap flights from Buffalo to Portugal from C$ 527

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Portugal

Keep the following information in mind while searching for Buffalo to Portugal flight deals. Data was last updated 15 January 2026.

Round-trip from

C$ 648

One-way from

C$ 527

Popular in

June

Cheapest in

February

Average price

C$ 1,456
British Airways
  • British Airways
  • 17/2-25/2
  • 4 total stops
  • 40h 26m total
  • Buffalo to Portugal
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KLM
  • KLM
  • 8/3
  • 1 total stop
  • 12h 59m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Buffalo to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Portugal
Explore the most affordable flight options available from Buffalo to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 January 2026.

Tue 17/211:23 a.m.
BUF
-
LIS
2 stops19h 42m
British Airways
Wed 25/27:05 a.m.
LIS
-
BUF
2 stops20h 44m
British Airways
Deal found 14/1C$ 648
Tue 17/23:39 p.m.
BUF
-
LIS
2 stops18h 31m
Delta
Wed 25/210:00 a.m.
LIS
-
BUF
1 stop30h 09m
Delta
Deal found 14/1C$ 649
Tue 3/27:45 p.m.
BUF
-
LIS
2 stops14h 25m
Multiple Airlines
Wed 11/210:00 a.m.
LIS
-
BUF
1 stop19h 16m
Multiple Airlines
Deal found 13/1C$ 662
Thu 19/25:44 p.m.
BUF
-
LIS
2 stops15h 51m
Multiple Airlines
Wed 25/210:00 a.m.
LIS
-
BUF
2 stops17h 57m
Multiple Airlines
Deal found 14/1C$ 671
Sun 1/36:07 a.m.
BUF
-
LIS
1 stop23h 08m
United Airlines
Sun 8/312:15 p.m.
LIS
-
BUF
2 stops36h 31m
United Airlines
Deal found 15/1C$ 688
Thu 19/210:00 a.m.
BUF
-
LIS
1 stop19h 15m
United Airlines
Wed 25/211:55 a.m.
LIS
-
BUF
1 stop12h 11m
United Airlines
Deal found 14/1C$ 692
Wed 18/27:41 p.m.
BUF
-
LIS
1 stop32h 14m
Multiple Airlines
Wed 25/210:00 a.m.
LIS
-
BUF
1 stop14h 00m
Multiple Airlines
Deal found 14/1C$ 693
Fri 20/27:00 a.m.
BUF
-
LIS
2 stops20h 10m
United Airlines
Wed 25/25:00 a.m.
LIS
-
BUF
2 stops21h 02m
United Airlines
Deal found 14/1C$ 695
Fri 6/211:22 a.m.
BUF
-
LIS
2 stops30h 03m
British Airways
Tue 10/27:40 p.m.
LIS
-
BUF
2 stops33h 08m
British Airways
Deal found 13/1C$ 732
Mon 16/24:25 p.m.
BUF
-
LIS
2 stops21h 30m
British Airways
Wed 25/27:05 a.m.
LIS
-
BUF
2 stops21h 35m
British Airways
Deal found 14/1C$ 735

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Portugal 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 15 January 2026.
Use the filters below to find and compare flights from Buffalo to Portugal that are best for you.

Fly from

Buffalo

Fly to

Portugal

Route

Depart

Return

Price

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 17/2

11:23 a.m.-12:05 p.m.

2 stops19h 42m

Lisbon Humberto Delgado

Wed 25/2

7:05 a.m.-10:49 p.m.

2 stops20h 44m

C$ 648

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 18/2

11:52 a.m.-11:20 a.m.

2 stops18h 28m

Lisbon Humberto Delgado

Wed 25/2

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

1 stop14h 00m

C$ 649

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 19/2

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

2 stops15h 51m

Lisbon Humberto Delgado

Wed 25/2

10:00 a.m.-12:14 a.m.

1 stop19h 14m

C$ 671

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 19/2

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

2 stops15h 51m

Lisbon Humberto Delgado

Wed 25/2

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

2 stops17h 57m

C$ 671

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 1/3

6:07 a.m.-10:15 a.m.

1 stop23h 08m

Lisbon Humberto Delgado

Sun 8/3

12:15 p.m.-8:46 p.m.

2 stops36h 31m

C$ 688

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 19/2

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

1 stop19h 15m

Lisbon Humberto Delgado

Wed 25/2

11:55 a.m.-7:06 p.m.

1 stop12h 11m

C$ 692

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 18/2

7:41 p.m.-8:55 a.m.

1 stop32h 14m

Lisbon Humberto Delgado

Wed 25/2

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

1 stop14h 00m

C$ 693

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 20/2

7:00 a.m.-8:10 a.m.

2 stops20h 10m

Lisbon Humberto Delgado

Wed 25/2

5:00 a.m.-9:02 p.m.

2 stops21h 02m

C$ 695

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

7:40 p.m.-11:48 p.m.

2 stops33h 08m

C$ 734

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 16/2

4:25 p.m.-6:55 p.m.

2 stops21h 30m

Lisbon Humberto Delgado

Wed 25/2

7:05 a.m.-11:40 p.m.

2 stops21h 35m

C$ 735

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/1

Showing 1-10 of 17 results
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Best time to book a flight from Buffalo to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

What is the cheapest month to book a flight from Buffalo to Portugal?

Currently, February is the cheapest month in which you can book a flight from Buffalo to Portugal (average of C$ 728). Flying from Buffalo to Portugal in June is currently the most expensive (average of C$ 1,411). 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 Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Portugal?

    Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Portugal. It is only a 13.4 km journey to Buffalo (BUF) from Buffalo’s city centre.

  • How long is the flight from Buffalo to Portugal?

    A quick flight from Buffalo to Portugal can take about 15h 51m. British Airways provides one of the quickest options available for as low as C$ 671. The distance from Buffalo to Portugal is about 5697 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Buffalo to Portugal that include hotel bookings?

    Yes. In addition to deals on Buffalo to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Portugal.

  • Can I find deals for business class flights from Buffalo to Portugal?

    Yes. Cheapflights offers flight deals from Buffalo to Portugal 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 Portugal?

    Currently, February is the cheapest month in which you can book a flight from Buffalo to Portugal (average of C$ 728). Flying from Buffalo to Portugal in June is currently the most expensive (average of C$ 1,411). 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

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Millions of users choose and trust Cheapflights to book the best flight deals from Buffalo to Portugal for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Buffalo to Portugal with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Buffalo to Portugal, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Buffalo to Portugal become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portugal from Buffalo today and book when prices fit your budget.

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