Find flights
When to book
FAQs

Cheap flights from Buffalo to Portugal from C$ 586

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
9 Apr — 16 Apr1
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
Explore the most affordable flight options available from Buffalo to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Thu 3/124:00 p.m.
BUF
-
LIS
1 stop12h 00m
Delta
Wed 9/1211:25 a.m.
LIS
-
BUF
2 stops33h 11m
Delta
Deal found 7/3C$ 970
Sat 18/47:59 p.m.
BUF
-
LIS
1 stop31h 01m
Multiple Airlines
Tue 28/410:00 a.m.
LIS
-
BUF
1 stop19h 50m
Multiple Airlines
Deal found 6/3C$ 993
Mon 12/104:30 p.m.
BUF
-
LIS
2 stops23h 10m
Scandinavian Airlines
Thu 22/107:00 a.m.
LIS
-
BUF
2 stops21h 50m
Scandinavian Airlines
Deal found 9/3C$ 1,001
Thu 3/122:50 p.m.
BUF
-
LIS
2 stops22h 10m
Multiple Airlines
Wed 9/128:45 p.m.
LIS
-
BUF
2 stops31h 54m
Multiple Airlines
Deal found 7/3C$ 1,003
Tue 27/107:30 p.m.
BUF
-
LIS
1 stop10h 45m
United Airlines
Sun 1/115:00 a.m.
LIS
-
BUF
2 stops20h 31m
United Airlines
Deal found 6/3C$ 1,037
Sun 10/57:00 a.m.
BUF
-
LIS
2 stops27h 45m
Scandinavian Airlines
Sat 16/57:00 a.m.
LIS
-
BUF
2 stops22h 15m
Scandinavian Airlines
Deal found 7/3C$ 1,042
Thu 3/121:15 p.m.
BUF
-
LIS
1 stop14h 45m
KLM
Wed 9/1210:00 a.m.
LIS
-
BUF
1 stop13h 54m
KLM
Deal found 7/3C$ 1,043
Thu 3/129:55 a.m.
BUF
-
LIS
3 stops25h 10m
Scandinavian Airlines
Wed 9/127:00 a.m.
LIS
-
BUF
2 stops21h 55m
Scandinavian Airlines
Deal found 7/3C$ 1,056
Sat 18/46:00 p.m.
BUF
-
LIS
2 stops24h 10m
British Airways
Tue 28/411:05 a.m.
LIS
-
BUF
1 stop17h 44m
British Airways
Deal found 5/3C$ 1,058

Find flight deals from Buffalo to Portugal

Keep the following information in mind while searching for Buffalo to Portugal flight deals. Data was last updated 10 March 2026.

Round-trip from

C$ 993

One-way from

C$ 586

Popular in

June

Cheapest in

February

Average price

C$ 1,217
KLM
  • KLM
  • 18/4-28/4
  • 2 total stops
  • 50h 51m total
  • Buffalo to Portugal
Search Deals
4/5
  • 4/5
  • 3 total stops
  • 47h 38m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 336 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
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

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 18/4

7:59 p.m.-8:00 a.m.

1 stop31h 01m

Lisbon Humberto Delgado

Tue 28/4

10:00 a.m.-12:50 a.m.

1 stop19h 50m

C$ 993

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 10/5

7:00 a.m.-3:45 p.m.

2 stops27h 45m

Lisbon Humberto Delgado

Sat 16/5

7:00 a.m.-12:15 a.m.

2 stops22h 15m

C$ 1,042

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 18/4

6:00 p.m.-11:10 p.m.

2 stops24h 10m

Lisbon Humberto Delgado

Tue 28/4

11:05 a.m.-11:49 p.m.

1 stop17h 44m

C$ 1,058

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 7/5

6:00 a.m.-9:20 a.m.

2 stops22h 20m

Lisbon Humberto Delgado

Thu 14/5

11:25 a.m.-4:54 p.m.

2 stops34h 29m

C$ 1,140

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 7/5

7:00 a.m.-8:00 a.m.

1 stop20h 00m

Lisbon Humberto Delgado

Thu 14/5

10:00 a.m.-12:19 a.m.

1 stop19h 19m

C$ 1,229

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 15/7

3:00 p.m.-10:30 a.m.

1 stop14h 30m

Lisbon Humberto Delgado

Thu 23/7

12:20 p.m.-9:51 a.m.

1 stop26h 31m

C$ 1,483
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 15/7

9:30 a.m.-10:15 a.m.

1 stop19h 45m

Lisbon Humberto Delgado

Fri 24/7

5:00 p.m.-11:58 p.m.

1 stop11h 58m

C$ 1,512

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 17/7

7:15 p.m.-8:00 a.m.

1 stop31h 45m

Lisbon Humberto Delgado

Tue 28/7

9:50 a.m.-11:56 p.m.

2 stops19h 06m

C$ 1,531
Cheapest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/5

6:00 a.m.-5:40 a.m.

1 stop18h 40m

C$ 586

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/5

12:32 p.m.-5:10 p.m.

3 stops47h 38m

C$ 586

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 17 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Portugal

What is the cheapest month to book a flight from Buffalo to Portugal?

Currently, February is the cheapest month in which you can book a flight from Buffalo to Portugal (average of C$ 708). Flying from Buffalo to Portugal in June is currently the most expensive (average of C$ 1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 27h 45m. Scandinavian Airlines provides one of the quickest options available for as low as C$ 1,042. The distance from Buffalo to Portugal is about 5697 km.

  • 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.

  • What is the cheapest month to book a flight from Buffalo to Portugal?

    Currently, February is the cheapest month in which you can book a flight from Buffalo to Portugal (average of C$ 708). Flying from Buffalo to Portugal in June is currently the most expensive (average of C$ 1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.