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Cheap flights from Buffalo to Portugal from C$ 469

BUF — LIS
5 Nov — 12 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 2/118:55 p.m. -
1 stop30h 15m
Tue 17/1112:50 p.m. -
2 stops39h 09m
Deal found 1/10C$ 1,007
Mon 26/107:52 p.m. -
1 stop10h 28m
Wed 4/115:00 a.m. -
2 stops20h 09m
Deal found 4/10C$ 1,122
Thu 3/127:20 p.m. -
1 stop31h 50m
Sun 6/1210:50 a.m. -
3 stops28h 52m
Deal found 2/10C$ 1,263
Wed 14/107:50 p.m. -
2 stops17h 00m
Wed 21/1011:55 a.m. -
2 stops17h 04m
Deal found 2/10C$ 1,400
Wed 14/1010:30 a.m. -
1 stop16h 50m
Wed 21/106:45 a.m. -
2 stops31h 44m
Deal found 2/10C$ 1,410
Wed 14/1010:46 a.m. -
2 stops16h 34m
Tue 20/106:45 a.m. -
2 stops22h 05m
Deal found 5/10C$ 1,416
Mon 7/1211:23 a.m. -
1 stop17h 07m
Fri 11/126:00 a.m. -
2 stops19h 46m
Deal found 4/10C$ 1,539

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 1,007

One-way from

C$ 469

Popular in

August

Cheapest in

April

Average price

C$ 1,159
United Airlines
  • United Airlines
  • 2/11-17/11
  • 3 total stops
  • 69h 24m total
  • Buffalo to Portugal
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United Airlines
  • United Airlines
  • 1/3-31/12
  • 2 total stops
  • 13h 46m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 480 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 80 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

Mon 1/3

10:36 a.m.-9:30 a.m.

1 stop17h 54m

Porto

Wed 31/12

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

Nonstop0h 00m

C$ 469

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 15/11

3:26 p.m.-12:05 p.m.

2 stops15h 39m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 650

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 15/11

10:51 a.m.-8:10 a.m.

1 stop16h 19m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 655

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 9/11

11:25 a.m.-8:00 a.m.

1 stop15h 35m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 660

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 4/11

3:26 p.m.-9:05 a.m.

1 stop12h 39m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 682

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 15/11

12:54 p.m.-11:00 p.m.

3 stops29h 06m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 790

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 3/11

10:36 a.m.-9:05 a.m.

1 stop17h 29m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 846

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 16/12

3:34 p.m.-8:30 a.m.

1 stop11h 56m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 975

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 2/11

8:55 p.m.-8:10 a.m.

1 stop30h 15m

Lisbon Humberto Delgado

Tue 17/11

12:50 p.m.-10:59 p.m.

2 stops39h 09m

C$ 1,007

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 15/2

11:20 a.m.-8:00 a.m.

1 stop15h 40m

Lisbon Humberto Delgado

Wed 17/2

10:00 a.m.-10:58 p.m.

1 stop17h 58m

C$ 1,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

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 40m. United Airlines provides one of the quickest options available for as low as C$ 1,044. 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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