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Cheap flights from Buffalo to Portugal from C$ 464

BUF — LIS
18 Nov — 25 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

Mon 23/1110:51 a.m. -
1 stop17h 39m
Tue 8/126:00 a.m. -
2 stops19h 46m
Deal found 15/10C$ 1,015
Wed 2/1211:23 a.m. -
1 stop17h 07m
Wed 9/126:00 a.m. -
2 stops22h 34m
Deal found 18/10C$ 1,028
Tue 1/126:00 a.m. -
1 stop21h 10m
Sun 6/1210:50 a.m. -
3 stops28h 52m
Deal found 17/10C$ 1,066
Thu 3/126:00 a.m. -
1 stop21h 10m
Thu 10/1210:55 a.m. -
3 stops52h 47m
Deal found 19/10C$ 1,073
Mon 30/1110:51 a.m. -
1 stop16h 19m
Mon 7/1212:25 p.m. -
2 stops36h 59m
Deal found 16/10C$ 1,083
Thu 3/1211:24 a.m. -
1 stop15h 36m
Thu 10/1210:00 a.m. -
1 stop13h 44m
Deal found 19/10C$ 1,093
Mon 26/1010:35 a.m. -
1 stop19h 45m
Wed 4/115:00 a.m. -
2 stops22h 59m
Deal found 16/10C$ 1,109
Mon 26/103:52 p.m. -
1 stop12h 08m
Wed 4/1110:00 a.m. -
1 stop18h 59m
Deal found 18/10C$ 1,127
Thu 19/1110:51 a.m. -
2 stops22h 59m
Thu 26/1112:20 p.m. -
1 stop11h 44m
Deal found 19/10C$ 1,152
Mon 7/1211:23 a.m. -
1 stop17h 07m
Fri 11/126:00 a.m. -
2 stops19h 56m
Deal found 15/10C$ 1,522
Sat 17/107:50 p.m. -
2 stops14h 35m
Mon 4/15:00 a.m. -
2 stops18h 54m
Deal found 17/10C$ 1,840

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 1,015

One-way from

C$ 464

Popular in

August

Cheapest in

April

Average price

C$ 1,147
United Airlines
  • United Airlines
  • 23/11-8/12
  • 4 total stops
  • 35h 05m total
  • Buffalo to Portugal
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United Airlines
  • United Airlines
  • 2/2-31/12
  • 1 total stop
  • 15h 55m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 469 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 79 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

Tue 2/2

11:15 a.m.-8:10 a.m.

1 stop15h 55m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 464

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Thu 3/12

6:39 a.m.-10:10 a.m.

2 stops22h 31m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 753

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Mon 23/11

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

1 stop17h 39m

Porto

Tue 8/12

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

2 stops19h 46m

C$ 1,015

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Sat 20/3

7:52 p.m.-9:30 a.m.

2 stops33h 38m

Porto

Wed 24/3

6:00 a.m.-8:40 p.m.

2 stops18h 40m

C$ 1,017

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Wed 2/12

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

1 stop17h 07m

Porto

Wed 9/12

6:00 a.m.-11:34 p.m.

2 stops22h 34m

C$ 1,028

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 31/1

7:03 a.m.-8:10 a.m.

1 stop20h 07m

Lisbon Humberto Delgado

Sun 7/2

10:40 a.m.-7:24 p.m.

2 stops37h 44m

C$ 1,073

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 14/3

10:54 a.m.-8:10 a.m.

1 stop17h 16m

Lisbon Humberto Delgado

Sun 21/3

5:00 a.m.-1:46 p.m.

2 stops36h 46m

C$ 1,092

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Thu 3/12

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

1 stop15h 36m

Lisbon Humberto Delgado

Thu 10/12

10:00 a.m.-6:44 p.m.

1 stop13h 44m

C$ 1,093

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 16/11

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

1 stop9h 28m

Lisbon Humberto Delgado

Mon 23/11

10:15 a.m.-10:59 p.m.

1 stop17h 44m

C$ 1,127

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$ 1,244

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/10

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 17h 39m. United Airlines provides one of the quickest options available for as low as C$ 1,015. The distance from Buffalo to Portugal is about 5604 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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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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