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Cheap flights from Buffalo to Portugal from C$ 719

BUF — LIS
29 Nov — 6 Dec1
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

Sun 29/118:55 p.m. -
1 stop31h 35m
Tue 15/126:00 a.m. -
2 stops32h 44m
Deal found 28/10C$ 1,018
Wed 25/1110:35 a.m. -
1 stop18h 45m
Thu 3/125:00 a.m. -
2 stops20h 24m
Deal found 25/10C$ 1,038
Sun 8/118:55 p.m. -
1 stop31h 35m
Wed 9/126:00 a.m. -
2 stops22h 34m
Deal found 27/10C$ 1,090
Sun 8/116:30 a.m. -
2 stops22h 35m
Wed 9/125:00 a.m. -
2 stops20h 24m
Deal found 27/10C$ 1,101
Sun 15/1111:25 a.m. -
1 stop15h 35m
Tue 8/125:00 a.m. -
2 stops18h 44m
Deal found 29/10C$ 1,102
Mon 26/1011:20 a.m. -
1 stop16h 40m
Wed 4/1111:30 a.m. -
2 stops17h 29m
Deal found 25/10C$ 1,103
Wed 11/1110:51 a.m. -
1 stop17h 39m
Wed 9/1212:35 p.m. -
1 stop12h 49m
Deal found 27/10C$ 1,103
Sun 15/113:55 p.m. -
2 stops14h 30m
Tue 8/1211:30 a.m. -
2 stops17h 45m
Deal found 29/10C$ 1,108
Sat 14/115:49 p.m. -
2 stops34h 41m
Wed 9/126:00 a.m. -
2 stops22h 34m
Deal found 27/10C$ 1,109
Sat 7/117:23 p.m. -
1 stop31h 37m
Wed 9/125:30 a.m. -
2 stops18h 14m
Deal found 27/10C$ 1,112
Sat 14/117:20 p.m. -
1 stop31h 55m
Wed 9/125:00 a.m. -
2 stops24h 15m
Deal found 27/10C$ 1,113
Tue 17/117:00 a.m. -
1 stop20h 00m
Tue 8/125:00 a.m. -
2 stops24h 15m
Deal found 29/10C$ 1,116

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 1,018

One-way from

C$ 719

Popular in

August

Cheapest in

January

Average price

C$ 1,137
United Airlines
  • United Airlines
  • 29/11-15/12
  • 3 total stops
  • 64h 19m total
  • Buffalo to Portugal
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Aer Lingus
  • Aer Lingus
  • 10/12-31/12
  • 2 total stops
  • 18h 45m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 388 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 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
Quickest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Thu 10/12

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

2 stops18h 45m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 719

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sat 7/11

5:49 p.m.-8:10 a.m.

2 stops33h 21m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 811

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 25/11

1:53 p.m.-10:20 a.m.

2 stops15h 27m

Lisbon Humberto Delgado

Thu 3/12

10:55 a.m.-10:42 a.m.

3 stops28h 47m

C$ 1,066

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Mon 9/11

6:00 a.m.-9:30 a.m.

2 stops22h 30m

Porto

Wed 9/12

6:00 a.m.-8:24 p.m.

2 stops19h 24m

C$ 1,090

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Wed 11/11

6:00 a.m.-9:30 a.m.

1 stop22h 30m

Porto

Wed 9/12

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

2 stops17h 10m

C$ 1,090

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 10/11

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

2 stops21h 10m

Lisbon Humberto Delgado

Wed 9/12

5:00 a.m.-8:24 p.m.

2 stops20h 24m

C$ 1,101

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 11/11

10:30 a.m.-10:20 a.m.

2 stops18h 50m

Lisbon Humberto Delgado

Wed 9/12

5:00 a.m.-6:10 p.m.

2 stops18h 10m

C$ 1,101

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 27/11

2:55 p.m.-10:20 a.m.

1 stop14h 25m

Lisbon Humberto Delgado

Thu 3/12

5:00 a.m.-11:34 p.m.

2 stops23h 34m

C$ 1,108

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 17/11

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

1 stop20h 00m

Lisbon Humberto Delgado

Tue 8/12

5:00 a.m.-12:15 a.m.

2 stops24h 15m

C$ 1,116

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 16/11

3:20 p.m.-8:00 a.m.

1 stop11h 40m

Lisbon Humberto Delgado

Thu 10/12

5:00 a.m.-6:44 p.m.

2 stops18h 44m

C$ 1,116

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 18 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 27m. United Airlines provides one of the quickest options available for as low as C$ 1,066. 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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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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