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Cheap flights from Buffalo to Portugal from C$ 473

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
16 Jul — 23 Jul1
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 16 June 2026.

Wed 18/111:15 p.m.
BUF
-
LIS
1 stop13h 45m
Delta
Mon 23/1111:30 a.m.
LIS
-
BUF
2 stops17h 20m
Delta
Deal found 16/6C$ 1,088
Mon 12/107:15 p.m.
BUF
-
LIS
2 stops17h 35m
Delta
Thu 22/105:00 a.m.
LIS
-
BUF
2 stops18h 54m
Delta
Deal found 12/6C$ 1,100
Wed 14/1011:15 a.m.
BUF
-
LIS
2 stops19h 00m
Delta
Tue 20/105:00 a.m.
LIS
-
BUF
2 stops18h 54m
Delta
Deal found 16/6C$ 1,102
Wed 18/111:15 p.m.
BUF
-
LIS
1 stop13h 45m
Virgin Atlantic
Mon 23/1110:00 a.m.
LIS
-
BUF
1 stop13h 54m
Virgin Atlantic
Deal found 16/6C$ 1,103
Fri 16/107:00 a.m.
BUF
-
LIS
1 stop20h 00m
KLM
Fri 23/1011:55 a.m.
LIS
-
BUF
2 stops16h 55m
KLM
Deal found 12/6C$ 1,166
Thu 15/1011:15 a.m.
BUF
-
LIS
2 stops19h 00m
Delta
Fri 23/1011:55 a.m.
LIS
-
BUF
2 stops16h 55m
Delta
Deal found 12/6C$ 1,172
Thu 15/107:15 p.m.
BUF
-
LIS
1 stop31h 45m
Multiple Airlines
Thu 22/1010:00 a.m.
LIS
-
BUF
1 stop13h 54m
Multiple Airlines
Deal found 12/6C$ 1,190
Wed 23/97:59 p.m.
BUF
-
LIS
2 stops13h 56m
Delta
Sun 27/99:50 a.m.
LIS
-
BUF
2 stops19h 22m
Delta
Deal found 16/6C$ 1,274
Wed 2/96:00 a.m.
BUF
-
LIS
2 stops24h 05m
United Airlines
Wed 9/95:05 a.m.
LIS
-
BUF
2 stops21h 02m
United Airlines
Deal found 16/6C$ 1,327

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 16 June 2026.

Round-trip from

C$ 1,088

One-way from

C$ 473

Popular in

January

Cheapest in

February
Delta
  • Delta
  • 18/11-23/11
  • 3 total stops
  • 31h 05m total
  • Buffalo to Portugal
Search Deals
Delta
  • Delta
  • 12/10
  • 2 total stops
  • 17h 35m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 461 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 200 potential savings vs. average RT price).
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 16 June 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

Wed 18/11

1:15 p.m.-8:00 a.m.

1 stop13h 45m

Lisbon Humberto Delgado

Mon 23/11

11:30 a.m.-11:50 p.m.

2 stops17h 20m

C$ 1,088

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/10

7:15 p.m.-5:50 p.m.

2 stops17h 35m

Lisbon Humberto Delgado

Thu 22/10

5:00 a.m.-6:54 p.m.

2 stops18h 54m

C$ 1,100

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 14/10

11:15 a.m.-11:15 a.m.

2 stops19h 00m

Lisbon Humberto Delgado

Tue 20/10

5:00 a.m.-6:54 p.m.

2 stops18h 54m

C$ 1,102
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 18/11

1:15 p.m.-8:00 a.m.

1 stop13h 45m

Lisbon Humberto Delgado

Mon 23/11

10:00 a.m.-6:54 p.m.

1 stop13h 54m

C$ 1,103
Cheapest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 12/10

7:15 p.m.-5:50 p.m.

2 stops17h 35m

C$ 473

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 22/9

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

1 stop20h 00m

C$ 546
Quickest one-way

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 22/9

11:57 a.m.-8:00 a.m.

2 stops15h 03m

C$ 546

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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 13h 45m. Delta provides one of the quickest options available for as low as C$ 1,088. 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.

See more FAQs

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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.

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