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Cheap flights from Buffalo to Portugal from C$ 395

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
4 Jan — 11 Jan1
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 5 December 2025.

Wed 3/1211:21 a.m.BUF - LIS
1 stop16h 19mDelta
Sun 7/125:30 a.m.LIS - BUF
2 stops18h 49mDelta
Deal found 3/12C$ 1,054
Wed 3/1211:21 a.m.BUF - LIS
1 stop16h 19mKLM
Sun 7/1210:00 a.m.LIS - BUF
1 stop14h 19mKLM
Deal found 3/12C$ 1,059
Sat 27/126:00 a.m.BUF - LIS
3 stops29h 25mScandinavian Airlines
Fri 27/36:55 a.m.LIS - BUF
2 stops21h 19mScandinavian Airlines
Deal found 3/12C$ 2,547
Fri 26/123:58 p.m.BUF - LIS
1 stop11h 52mBritish Airways
Wed 31/1211:05 a.m.LIS - BUF
1 stop14h 42mBritish Airways
Deal found 3/12C$ 3,208
Thu 25/1211:32 a.m.BUF - LIS
1 stop16h 33mBritish Airways
Wed 31/1211:05 a.m.LIS - BUF
1 stop14h 42mBritish Airways
Deal found 3/12C$ 3,376
Wed 24/1211:21 a.m.BUF - LIS
1 stop17h 34mTAP AIR PORTUGAL
Fri 2/111:40 a.m.LIS - BUF
1 stop12h 48mTAP AIR PORTUGAL
Deal found 3/12C$ 4,268
Wed 24/1211:21 a.m.BUF - LIS
1 stop17h 34mTAP AIR PORTUGAL
Wed 31/1211:40 a.m.LIS - BUF
1 stop12h 48mTAP AIR PORTUGAL
Deal found 3/12C$ 4,270
Fri 26/1211:04 a.m.BUF - LIS
1 stop13h 31mTAP AIR PORTUGAL
Thu 1/111:30 a.m.LIS - BUF
1 stop12h 58mTAP AIR PORTUGAL
Deal found 3/12C$ 4,807
Thu 25/1211:04 a.m.BUF - LIS
1 stop13h 31mTAP AIR PORTUGAL
Fri 2/14:30 p.m.LIS - BUF
1 stop12h 24mTAP AIR PORTUGAL
Deal found 3/12C$ 5,050
Mon 22/1211:04 a.m.BUF - LIS
1 stop13h 31mTAP AIR PORTUGAL
Wed 31/1211:40 a.m.LIS - BUF
1 stop12h 48mTAP AIR PORTUGAL
Deal found 3/12C$ 5,545
Fri 26/1211:04 a.m.BUF - LIS
1 stop13h 31mTAP AIR PORTUGAL
Fri 2/14:30 p.m.LIS - BUF
1 stop12h 24mTAP AIR PORTUGAL
Deal found 3/12C$ 5,573

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 5 December 2025.

Round-trip from

C$ 657

One-way from

C$ 395

Popular in

June

Cheapest in

February

Average price

C$ 1,694
Delta
  • Delta
  • 18/1-25/1
  • 3 total stops
  • 30h 24m total
  • Buffalo to Portugal
Search Deals
18/1
  • 18/1
  • 3 total stops
  • 59h 06m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 391 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 5 December 2025.
Use the filters below to find and compare flights from Buffalo to Portugal that are best for you.

Fly from

Buffalo

Fly to

Portugal

Route

Depart

Return

Price

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 18/1

3:38 p.m.-8:00 a.m.

1 stop11h 22m

Lisbon Humberto Delgado

Sun 25/1

5:00 a.m.-7:02 p.m.

2 stops19h 02m

C$ 657

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/1

4:01 p.m.-9:05 a.m.

1 stop12h 04m

Lisbon Humberto Delgado

Tue 20/1

10:35 a.m.-11:48 p.m.

2 stops18h 13m

C$ 664

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/1

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

2 stops18h 29m

Lisbon Humberto Delgado

Tue 20/1

5:00 a.m.-4:59 p.m.

2 stops16h 59m

C$ 680

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 18/1

4:01 p.m.-2:50 p.m.

2 stops17h 49m

Lisbon Humberto Delgado

Sun 25/1

7:05 a.m.-10:55 p.m.

2 stops20h 50m

C$ 696

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 3/2

11:51 a.m.-3:40 p.m.

3 stops22h 49m

Lisbon Humberto Delgado

Wed 11/2

7:05 a.m.-12:16 a.m.

2 stops22h 11m

C$ 741

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 8/2

1:59 p.m.-8:10 a.m.

2 stops13h 11m

Lisbon Humberto Delgado

Sun 15/2

5:00 a.m.-9:01 p.m.

2 stops21h 01m

C$ 762

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 18/1

7:14 p.m.-11:20 a.m.

3 stops59h 06m

C$ 395

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 18/1

2:45 p.m.-9:55 a.m.

1 stop14h 10m

C$ 530

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

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, November is the cheapest month in which you can book a flight from Buffalo to Portugal (average of C$ 758). Flying from Buffalo to Portugal in June is currently the most expensive (average of C$ 1,426). 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.

What is the cheapest time of day to fly from BUF to PT?

Find hourly flight availability from Buffalo to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

It’s typically best to fly out from Buffalo to Portugal at noon. Doing so could potentially save you 50% on the flight price compared to flying in the morning, which is usually more expensive.

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 11h 22m. Delta provides one of the quickest options available for as low as C$ 657. 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.

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

    Currently, November is the cheapest month in which you can book a flight from Buffalo to Portugal (average of C$ 758). Flying from Buffalo to Portugal in June is currently the most expensive (average of C$ 1,426). 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

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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.

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