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Cheap flights from Buffalo to Portugal from C$ 1,019

BUF — LIS
11 Nov — 18 Nov1
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 9/127:00 a.m. -
1 stop20h 00m
Tue 15/1211:30 a.m. -
2 stops17h 45m
Deal found 12/10C$ 1,019
Wed 9/123:20 p.m. -
1 stop11h 40m
Thu 17/125:30 a.m. -
2 stops23h 31m
Deal found 12/10C$ 1,028
Wed 9/123:20 p.m. -
1 stop11h 40m
Wed 16/125:30 a.m. -
2 stops23h 31m
Deal found 12/10C$ 1,029
Wed 9/123:20 p.m. -
2 stops18h 50m
Fri 18/1210:00 a.m. -
1 stop19h 15m
Deal found 12/10C$ 1,039
Wed 11/1111:25 a.m. -
1 stop15h 35m
Tue 17/115:00 a.m. -
2 stops18h 40m
Deal found 10/10C$ 1,052
Wed 11/1111:25 a.m. -
2 stops18h 55m
Tue 17/1111:30 a.m. -
2 stops17h 27m
Deal found 10/10C$ 1,058
Thu 10/1211:30 a.m. -
1 stop15h 40m
Wed 16/1211:55 a.m. -
1 stop26h 50m
Deal found 12/10C$ 1,105
Tue 24/1110:51 a.m. -
1 stop17h 39m
Tue 1/126:00 a.m. -
2 stops22h 34m
Deal found 10/10C$ 1,109
Fri 11/127:00 a.m. -
2 stops21h 20m
Tue 15/1210:15 a.m. -
1 stop12h 55m
Deal found 12/10C$ 1,110
Thu 26/1110:51 a.m. -
1 stop17h 39m
Thu 3/126:00 a.m. -
2 stops19h 46m
Deal found 12/10C$ 1,110
Thu 10/1210:30 a.m. -
2 stops18h 50m
Fri 18/1210:15 a.m. -
1 stop17h 54m
Deal found 12/10C$ 1,112
Mon 26/1010:35 a.m. -
1 stop19h 45m
Wed 4/115:00 a.m. -
2 stops22h 59m
Deal found 7/10C$ 1,122

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 1,019

Popular in

August

Cheapest in

April

Average price

C$ 1,159
Delta
  • Delta
  • 9/12-15/12
  • 3 total stops
  • 37h 45m total
  • Buffalo to Portugal
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Highest demand for flights based on searches. 19% potential increase in price (C$ 479 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 81 potential savings vs. average RT price).
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Average for round-trip flights in October 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

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Thu 26/11

10:51 a.m.-9:30 a.m.

1 stop17h 39m

Porto

Thu 3/12

6:00 a.m.-8:46 p.m.

2 stops19h 46m

C$ 1,110

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Tue 24/11

10:35 a.m.-9:30 a.m.

2 stops17h 55m

Porto

Tue 1/12

6:00 a.m.-8:34 p.m.

2 stops19h 34m

C$ 1,115

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 5/1

11:24 a.m.-9:05 a.m.

1 stop16h 41m

Lisbon Humberto Delgado

Tue 19/1

11:05 a.m.-6:30 p.m.

1 stop12h 25m

C$ 1,116

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 26/10

10:35 a.m.-10:20 a.m.

1 stop19h 45m

Lisbon Humberto Delgado

Wed 4/11

5:00 a.m.-10:59 p.m.

2 stops22h 59m

C$ 1,122

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 26/10

3:52 p.m.-8:00 a.m.

1 stop12h 08m

Lisbon Humberto Delgado

Wed 4/11

10:00 a.m.-11:59 p.m.

1 stop18h 59m

C$ 1,139

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Mon 23/11

10:30 a.m.-9:30 a.m.

2 stops18h 00m

Porto

Mon 30/11

12:30 p.m.-8:34 p.m.

2 stops37h 04m

C$ 1,160

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 15/1

5:43 p.m.-8:10 a.m.

2 stops33h 27m

Lisbon Humberto Delgado

Sun 24/1

10:50 a.m.-10:32 a.m.

3 stops28h 42m

C$ 1,180

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 12/3

3:15 p.m.-12:05 p.m.

2 stops15h 50m

Lisbon Humberto Delgado

Sat 20/3

7:00 a.m.-10:53 p.m.

2 stops19h 53m

C$ 1,257

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sat 13/3

7:58 p.m.-11:25 p.m.

2 stops22h 27m

Lisbon Humberto Delgado

Sun 21/3

5:55 a.m.-11:55 p.m.

2 stops22h 00m

C$ 1,374

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Mon 7/12

11:23 a.m.-9:30 a.m.

1 stop17h 07m

Porto

Fri 11/12

6:00 a.m.-8:46 p.m.

2 stops19h 46m

C$ 1,538

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 16 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 15h 35m. KLM provides one of the quickest options available for as low as C$ 1,052. 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.

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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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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