Find flights
When to book
FAQs

Cheap flights from Buffalo to Portugal from C$ 1,018

BUF — LIS
9 Dec — 16 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

Fri 4/1210:00 a.m. -
1 stop19h 20m
Fri 11/1211:20 a.m. -
2 stops38h 04m
Deal found 5/11C$ 1,115
Fri 4/1211:23 a.m. -
1 stop17h 07m
Fri 11/1212:35 p.m. -
2 stops26h 09m
Deal found 6/11C$ 1,115
Fri 11/1211:24 a.m. -
1 stop15h 36m
Fri 18/1210:00 a.m. -
1 stop19h 15m
Deal found 8/11C$ 1,119
Fri 11/121:53 p.m. -
2 stops15h 27m
Fri 18/1212:20 p.m. -
2 stops37h 15m
Deal found 8/11C$ 1,165
Wed 23/1210:20 a.m. -
2 stops42h 10m
Wed 30/126:00 a.m. -
2 stops39h 54m
Deal found 8/11C$ 1,294
Tue 24/112:20 p.m. -
2 stops38h 35m
Tue 1/1210:55 a.m. -
2 stops36h 38m
Deal found 7/11C$ 1,424
Thu 24/125:52 p.m. -
2 stops16h 18m
Thu 31/125:30 a.m. -
2 stops20h 15m
Deal found 9/11C$ 1,571
Sun 20/127:52 p.m. -
2 stops32h 38m
Sun 27/126:00 a.m. -
2 stops32h 45m
Deal found 5/11C$ 1,641
Thu 24/125:52 p.m. -
2 stops16h 18m
Thu 31/1210:00 a.m. -
1 stop15h 45m
Deal found 9/11C$ 1,663
Tue 22/1212:20 p.m. -
2 stops18h 05m
Wed 6/111:30 a.m. -
2 stops17h 28m
Deal found 9/11C$ 1,787
Wed 16/123:00 p.m. -
1 stop14h 20m
Tue 5/111:20 a.m. -
2 stops52h 12m
Deal found 9/11C$ 1,807
Wed 23/127:52 p.m. -
2 stops31h 18m
Fri 1/110:15 a.m. -
2 stops28h 30m
Deal found 7/11C$ 1,814

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 1,018

Popular in

August

Cheapest in

October

Average price

C$ 1,336
United Airlines
  • United Airlines
  • 22/2-26/2
  • 3 total stops
  • 29h 16m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 353 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

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 22/2

5:30 p.m.-9:30 a.m.

1 stop11h 00m

Porto

Fri 26/2

6:00 a.m.-7:16 p.m.

2 stops18h 16m

C$ 1,018

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sat 27/2

5:30 p.m.-6:55 a.m.

2 stops32h 25m

Lisbon Humberto Delgado

Wed 3/3

5:00 a.m.-9:47 a.m.

2 stops33h 47m

C$ 1,042

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 12/1

5:45 p.m.-8:10 a.m.

1 stop9h 25m

Lisbon Humberto Delgado

Wed 20/1

11:20 a.m.-4:51 p.m.

2 stops34h 31m

C$ 1,059

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 5/1

10:35 a.m.-8:00 a.m.

1 stop16h 25m

Lisbon Humberto Delgado

Mon 1/2

11:30 a.m.-3:13 p.m.

2 stops32h 43m

C$ 1,065

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 5/1

11:19 a.m.-8:00 a.m.

1 stop15h 41m

Lisbon Humberto Delgado

Fri 5/2

10:00 a.m.-7:19 p.m.

1 stop14h 19m

C$ 1,081

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 3/1

12:15 p.m.-8:00 a.m.

1 stop14h 45m

Lisbon Humberto Delgado

Fri 5/3

10:00 a.m.-5:53 p.m.

1 stop12h 53m

C$ 1,081

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 5/1

2:58 p.m.-8:00 a.m.

1 stop12h 02m

Lisbon Humberto Delgado

Thu 4/2

10:00 a.m.-7:19 p.m.

1 stop14h 19m

C$ 1,081

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 11/12

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

1 stop15h 36m

Lisbon Humberto Delgado

Fri 18/12

10:00 a.m.-12:15 a.m.

1 stop19h 15m

C$ 1,119

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Fri 4/12

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

2 stops18h 00m

Porto

Fri 11/12

12:35 p.m.-9:44 a.m.

2 stops26h 09m

C$ 1,122

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sat 5/12

3:34 p.m.-2:55 p.m.

2 stops18h 21m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 1,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 11h. United Airlines provides one of the quickest options available for as low as C$ 1,018. 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

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Buffalo to Portugal?

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.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Portugal?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.