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Cheap flights from Buffalo to Portugal from C$ 874

BUF — LIS
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Portugal

Wed 4/116:00 a.m. -
1 stop21h 10m
Fri 13/1111:20 a.m. -
2 stops41h 29m
Deal found 6/9C$ 978
Tue 27/102:55 p.m. -
1 stop15h 10m
Tue 10/1111:20 a.m. -
2 stops34h 42m
Deal found 6/9C$ 985
Mon 26/107:52 p.m. -
1 stop10h 28m
Wed 4/115:00 a.m. -
2 stops33h 54m
Deal found 6/9C$ 988
Sun 13/127:00 a.m. -
1 stop20h 10m
Sun 20/125:00 a.m. -
2 stops19h 05m
Deal found 2/9C$ 1,057
Sun 13/123:26 p.m. -
2 stops15h 39m
Sun 20/1211:05 a.m. -
1 stop16h 54m
Deal found 3/9C$ 1,058
Sun 13/1211:24 a.m. -
1 stop15h 36m
Sun 20/1210:00 a.m. -
1 stop18h 38m
Deal found 2/9C$ 1,063
Wed 14/107:50 p.m. -
2 stops17h 00m
Tue 20/109:50 a.m. -
2 stops19h 09m
Deal found 7/9C$ 1,118

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 978

One-way from

C$ 874

Popular in

August

Cheapest in

November

Average price

C$ 1,799
United Airlines
  • United Airlines
  • 4/11-13/11
  • 3 total stops
  • 62h 39m total
  • Buffalo to Portugal
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16/9-31/12
  • 16/9-31/12
  • 1 total stop
  • 10h 35m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 533 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 84 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Buffalo to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 16/9

6:45 p.m.-10:20 a.m.

1 stop10h 35m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 874

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 4/11

6:00 a.m.-8:10 a.m.

1 stop21h 10m

Lisbon Humberto Delgado

Fri 13/11

11:20 a.m.-9:21 a.m.

2 stops51h 01m

C$ 978

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 9/2

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

2 stops16h 50m

Lisbon Humberto Delgado

Wed 17/2

5:00 a.m.-10:37 p.m.

2 stops22h 37m

C$ 981

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 26/10

7:52 p.m.-10:20 a.m.

1 stop10h 28m

Lisbon Humberto Delgado

Wed 4/11

5:00 a.m.-9:54 a.m.

2 stops33h 54m

C$ 988

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 13/12

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

1 stop20h 10m

Lisbon Humberto Delgado

Sun 20/12

5:00 a.m.-7:05 p.m.

2 stops19h 05m

C$ 1,057

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 13/12

3:26 p.m.-12:05 p.m.

2 stops15h 39m

Lisbon Humberto Delgado

Sun 20/12

11:05 a.m.-10:59 p.m.

1 stop16h 54m

C$ 1,058

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 13/12

11:24 a.m.-8:00 a.m.

1 stop15h 36m

Lisbon Humberto Delgado

Sun 20/12

10:00 a.m.-11:38 p.m.

1 stop18h 38m

C$ 1,063

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Thu 11/2

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

1 stop20h 00m

Lisbon Humberto Delgado

Tue 16/2

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

1 stop13h 54m

C$ 1,082
Quickest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 30/9

2:23 p.m.-5:40 a.m.

1 stop10h 17m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 1,090

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 16/9

7:55 p.m.-8:00 a.m.

1 stop31h 05m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 1,094

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 13 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Portugal

No data available for this route at this time. Please check back soon.

Related info for your journey

  • 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 21h 10m. United Airlines provides one of the quickest options available for as low as C$ 978. The distance from Buffalo to Portugal is about 5697 km.

  • 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.

See more FAQs

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Cheapflights makes it easy to find Buffalo to Portugal flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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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