Find flights
When to book
FAQs

Cheap flights from Buffalo to Portugal from C$ 1,024

BUF — LIS
26 Nov — 3 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

Mon 23/116:36 p.m. -
2 stops15h 49m
Tue 8/125:00 a.m. -
2 stops18h 44m
Deal found 23/10C$ 1,024
Wed 25/1110:35 a.m. -
1 stop18h 45m
Thu 3/125:00 a.m. -
2 stops20h 24m
Deal found 25/10C$ 1,041
Tue 8/123:20 p.m. -
1 stop11h 40m
Tue 15/1210:00 a.m. -
1 stop19h 15m
Deal found 24/10C$ 1,051
Mon 7/1211:23 a.m. -
1 stop17h 07m
Mon 14/1212:30 p.m. -
2 stops37h 26m
Deal found 23/10C$ 1,075
Sun 8/116:00 a.m. -
2 stops22h 30m
Wed 9/126:00 a.m. -
2 stops17h 10m
Deal found 27/10C$ 1,093
Sun 8/116:00 a.m. -
1 stop21h 10m
Wed 9/125:00 a.m. -
2 stops20h 24m
Deal found 27/10C$ 1,104
Mon 26/1011:20 a.m. -
1 stop16h 40m
Wed 4/1111:30 a.m. -
2 stops17h 29m
Deal found 25/10C$ 1,107
Wed 11/1110:51 a.m. -
1 stop17h 39m
Wed 9/1212:35 p.m. -
1 stop12h 49m
Deal found 27/10C$ 1,107
Fri 27/112:55 p.m. -
1 stop14h 25m
Thu 3/125:00 a.m. -
2 stops23h 34m
Deal found 25/10C$ 1,111
Sat 14/115:49 p.m. -
2 stops34h 41m
Wed 9/126:00 a.m. -
2 stops22h 34m
Deal found 27/10C$ 1,113
Sat 7/117:23 p.m. -
1 stop31h 37m
Wed 9/125:30 a.m. -
2 stops18h 14m
Deal found 27/10C$ 1,115
Sat 14/117:20 p.m. -
1 stop31h 55m
Wed 9/125:00 a.m. -
2 stops24h 15m
Deal found 27/10C$ 1,117

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 1,024

Popular in

August

Cheapest in

January

Average price

C$ 1,141
KLM
  • KLM
  • 23/11-8/12
  • 4 total stops
  • 34h 33m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 390 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 23/11

6:36 p.m.-3:25 p.m.

2 stops15h 49m

Porto

Tue 8/12

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

2 stops18h 44m

C$ 1,024

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Mon 7/12

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

1 stop17h 07m

Porto

Mon 14/12

12:30 p.m.-8:56 p.m.

2 stops37h 26m

C$ 1,075

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Mon 9/11

8:55 p.m.-9:30 a.m.

1 stop31h 35m

Porto

Wed 9/12

6:00 a.m.-10:49 a.m.

2 stops33h 49m

C$ 1,093

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Tue 10/11

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

2 stops22h 00m

Porto

Wed 9/12

6:00 a.m.-7:19 p.m.

2 stops18h 19m

C$ 1,093

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Wed 11/11

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

2 stops22h 00m

Porto

Wed 9/12

6:00 a.m.-9:44 a.m.

2 stops32h 44m

C$ 1,093

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 8/11

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

1 stop21h 10m

Lisbon Humberto Delgado

Wed 9/12

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

2 stops20h 24m

C$ 1,104

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$ 1,104

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$ 1,111
Quickest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 9/11

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

1 stop9h 28m

Lisbon Humberto Delgado

Wed 9/12

10:15 a.m.-8:24 p.m.

1 stop15h 09m

C$ 1,121

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Thu 10/12

11:30 a.m.-8:10 a.m.

1 stop15h 40m

Lisbon Humberto Delgado

Thu 17/12

10:15 a.m.-11:09 p.m.

1 stop17h 54m

C$ 1,135

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

Showing 1-10 of 13 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 15h 49m. KLM provides one of the quickest options available for as low as C$ 1,024. 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.