Find flights
When to book
FAQs

Cheap flights from Buffalo to Portugal from C$ 751

BUF — LIS
21 Nov — 28 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

Wed 2/1211:23 a.m. -
1 stop17h 07m
Wed 9/126:00 a.m. -
2 stops22h 34m
Deal found 18/10C$ 1,025
Tue 17/113:20 p.m. -
1 stop11h 40m
Tue 24/115:00 a.m. -
2 stops18h 40m
Deal found 20/10C$ 1,037
Tue 1/126:00 a.m. -
1 stop21h 10m
Sun 6/1210:50 a.m. -
3 stops28h 52m
Deal found 17/10C$ 1,063
Tue 17/1110:35 a.m. -
1 stop18h 30m
Tue 24/1112:20 p.m. -
1 stop11h 44m
Deal found 20/10C$ 1,068
Thu 3/126:00 a.m. -
1 stop21h 10m
Thu 10/1210:55 a.m. -
3 stops52h 47m
Deal found 19/10C$ 1,070
Thu 3/1211:24 a.m. -
1 stop15h 36m
Thu 10/1210:00 a.m. -
1 stop13h 44m
Deal found 19/10C$ 1,089
Mon 26/1010:35 a.m. -
1 stop19h 45m
Wed 4/115:00 a.m. -
2 stops22h 59m
Deal found 19/10C$ 1,106
Mon 26/1011:20 a.m. -
1 stop16h 40m
Wed 4/1111:30 a.m. -
2 stops17h 29m
Deal found 20/10C$ 1,109
Mon 14/1211:23 a.m. -
1 stop17h 07m
Wed 30/1212:35 p.m. -
1 stop15h 34m
Deal found 19/10C$ 1,172
Fri 20/116:00 a.m. -
1 stop22h 30m
Fri 27/116:00 a.m. -
2 stops22h 46m
Deal found 21/10C$ 1,491
Mon 7/1211:23 a.m. -
1 stop17h 07m
Fri 11/126:00 a.m. -
2 stops19h 56m
Deal found 19/10C$ 1,517

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 1,013

One-way from

C$ 751

Popular in

August

Cheapest in

April

Average price

C$ 1,143
United Airlines
  • United Airlines
  • 20/3-24/3
  • 4 total stops
  • 52h 18m total
  • Buffalo to Portugal
Search Deals
Aer Lingus
  • Aer Lingus
  • 3/12-31/12
  • 2 total stops
  • 22h 31m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 467 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 79 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
Quickest round-trip

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$ 751

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$ 1,013

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 19/4

4:00 p.m.-8:20 a.m.

1 stop11h 20m

Lisbon Humberto Delgado

Thu 29/4

7:25 a.m.-8:31 p.m.

2 stops18h 06m

C$ 1,018

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$ 1,025

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 1/12

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

1 stop21h 10m

Lisbon Humberto Delgado

Sun 6/12

10:50 a.m.-10:42 a.m.

3 stops28h 52m

C$ 1,063

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 17/11

10:35 a.m.-10:05 a.m.

1 stop18h 30m

Lisbon Humberto Delgado

Tue 24/11

12:20 p.m.-7:04 p.m.

1 stop11h 44m

C$ 1,068

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 1/2

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

1 stop15h 40m

Lisbon Humberto Delgado

Sat 20/3

9:50 a.m.-11:50 p.m.

2 stops18h 00m

C$ 1,074

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$ 1,088

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Thu 19/11

10:51 a.m.-2:50 p.m.

2 stops22h 59m

Lisbon Humberto Delgado

Thu 26/11

8:55 a.m.-9:54 a.m.

2 stops29h 59m

C$ 1,161

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Mon 14/12

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

1 stop17h 07m

Porto

Wed 30/12

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

1 stop15h 34m

C$ 1,172

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/10

Showing 1-10 of 14 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 40m. United Airlines provides one of the quickest options available for as low as C$ 1,074. 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

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.