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Cheap flights from Buffalo to Portugal from C$ 880

BUF — LIS
1 Oct — 8 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

Mon 26/107:52 p.m. -
1 stop10h 28m
Wed 4/115:00 a.m. -
2 stops33h 54m
Deal found 1/9C$ 991
Mon 26/1011:20 a.m. -
1 stop16h 40m
Wed 4/115:00 a.m. -
2 stops18h 43m
Deal found 31/8C$ 994
Sun 13/1211:28 a.m. -
1 stop15h 42m
Mon 21/1212:25 p.m. -
2 stops33h 29m
Deal found 30/8C$ 1,020
Wed 14/103:53 p.m. -
2 stops18h 02m
Wed 21/105:00 a.m. -
2 stops17h 49m
Deal found 30/8C$ 1,110
Wed 14/103:53 p.m. -
2 stops18h 02m
Tue 20/105:00 a.m. -
2 stops18h 56m
Deal found 31/8C$ 1,117
Thu 17/1212:06 p.m. -
2 stops15h 49m
Thu 24/125:30 a.m. -
2 stops20h 15m
Deal found 28/8C$ 1,231

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 991

One-way from

C$ 880

Popular in

August

Cheapest in

February

Average price

C$ 1,804
United Airlines
  • United Airlines
  • 26/10-4/11
  • 3 total stops
  • 44h 22m total
  • Buffalo to Portugal
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Aer Lingus
  • Aer Lingus
  • 6/12
  • 2 total stops
  • 18h 45m total
  • Buffalo to Portugal
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Highest demand for flights based on searches. 22% potential increase in price (C$ 519 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 83 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.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

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$ 991

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 13/12

11:28 a.m.-8:10 a.m.

1 stop15h 42m

Lisbon Humberto Delgado

Mon 21/12

12:25 p.m.-4:54 p.m.

2 stops33h 29m

C$ 1,020

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 14/10

3:53 p.m.-2:55 p.m.

2 stops18h 02m

Lisbon Humberto Delgado

Wed 21/10

5:00 a.m.-5:49 p.m.

2 stops17h 49m

C$ 1,110

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 14/10

7:50 p.m.-5:50 p.m.

2 stops17h 00m

Lisbon Humberto Delgado

Tue 20/10

11:55 a.m.-11:59 p.m.

2 stops17h 04m

C$ 1,117
Quickest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 14/10

7:59 p.m.-10:30 a.m.

1 stop9h 31m

Lisbon Humberto Delgado

Wed 21/10

10:25 a.m.-11:50 p.m.

2 stops18h 25m

C$ 1,301

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 12/10

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

1 stop19h 20m

Lisbon Humberto Delgado

Mon 19/10

6:15 a.m.-11:11 p.m.

2 stops21h 56m

C$ 1,313
Cheapest one-way

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 6/12

10:25 a.m.-10:10 a.m.

2 stops18h 45m

C$ 880

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 6/12

10:48 a.m.-5:35 a.m.

1 stop13h 47m

C$ 1,105
Quickest one-way

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 11/9

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

1 stop10h 35m

C$ 1,160

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 21/12

9:10 a.m.-9:45 a.m.

1 stop19h 35m

C$ 1,205

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/8

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 10h 28m. United Airlines provides one of the quickest options available for as low as C$ 991. 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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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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