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Cheap flights from Buffalo to Portugal from C$ 779

BUF — LIS
4 Dec — 11 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

Tue 15/126:30 a.m. -
2 stops22h 00m
Tue 22/1212:35 p.m. -
1 stop15h 34m
Deal found 31/10C$ 1,162
Tue 15/129:15 a.m. -
2 stops20h 15m
Tue 22/125:55 a.m. -
2 stops22h 15m
Deal found 31/10C$ 1,308
Mon 7/1211:23 a.m. -
1 stop17h 07m
Fri 11/126:00 a.m. -
2 stops19h 56m
Deal found 2/11C$ 1,523

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 1,015

One-way from

C$ 779

Popular in

August

Cheapest in

October

Average price

C$ 1,323
Delta
  • Delta
  • 15/2-19/2
  • 4 total stops
  • 40h 31m total
  • Buffalo to Portugal
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United Airlines
  • United Airlines
  • 26/12-31/12
  • 2 total stops
  • 42h 10m total
  • Buffalo to Portugal
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Highest demand for flights based on searches. 14% potential increase in price (C$ 346 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 74 potential savings vs. average RT price).
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Average for round-trip flights in November 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

Fri 25/12

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

2 stops22h 00m

Porto

Wed 31/12

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

Nonstop0h 00m

C$ 822

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Wed 23/12

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

2 stops32h 38m

Porto

Wed 31/12

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

Nonstop0h 00m

C$ 849

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Sun 14/2

7:15 p.m.-9:55 p.m.

2 stops21h 40m

Porto

Fri 19/2

5:00 a.m.-11:05 p.m.

2 stops23h 05m

C$ 1,015

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Wed 23/12

3:20 p.m.-8:15 a.m.

1 stop11h 55m

Porto

Wed 31/12

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

Nonstop0h 00m

C$ 1,155

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Tue 15/12

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

2 stops22h 00m

Porto

Tue 22/12

12:35 p.m.-11:09 p.m.

1 stop15h 34m

C$ 1,162

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Mon 15/2

3:00 p.m.-11:45 a.m.

2 stops15h 45m

Porto

Sun 21/2

12:35 p.m.-9:53 a.m.

2 stops26h 18m

C$ 1,175

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Tue 22/12

12:05 p.m.-3:25 p.m.

2 stops46h 20m

Porto

Wed 31/12

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

Nonstop0h 00m

C$ 1,193
Quickest round-trip

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Tue 22/12

4:47 p.m.-9:30 a.m.

1 stop11h 43m

Porto

Wed 31/12

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

Nonstop0h 00m

C$ 1,207

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Sun 20/12

7:00 a.m.-10:35 a.m.

2 stops22h 35m

Porto

Wed 31/12

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

Nonstop0h 00m

C$ 1,212

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Sat 13/2

3:00 p.m.-11:40 a.m.

2 stops15h 40m

Porto

Sun 21/2

12:35 p.m.-9:53 a.m.

2 stops26h 18m

C$ 1,245

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 12 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 40m. Delta provides one of the quickest options available for as low as C$ 1,015. The distance from Buffalo to Portugal is about 5604 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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