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Cheap flights from Buffalo to Portugal from C$ 463

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
25 Aug — 1 Sep1
1 adult

Cheap flight deals from Buffalo to Portugal

Keep the following information in mind while searching for Buffalo to Portugal flight deals. Data was last updated 20 August 2025.

Round-trip from

C$ 880

One-way from

C$ 463

Popular in

December

Cheapest in

February

Average price

C$ 1,332
United Airlines
  • United Airlines
  • 1/11-20/11
  • 3 total stops
  • 52h 48m total
  • Buffalo to Portugal
Search Deals
2/10
  • 2/10
  • 3 total stops
  • 45h 58m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 107 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Buffalo to Portugal

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 20 August 2025.

Sat 1/111:52 p.m.BUF - LIS
2 stops39h 28mUnited Airlines
Thu 20/1110:15 a.m.LIS - BUF
1 stop13h 20mUnited Airlines
Deal found 18/8C$ 880
Sat 6/127:00 a.m.BUF - LIS
2 stops28h 05mScandinavian Airlines
Wed 10/127:05 a.m.LIS - BUF
2 stops21h 45mScandinavian Airlines
Deal found 19/8C$ 891
Sat 1/113:57 p.m.BUF - LIS
1 stop13h 03mDelta
Thu 20/1110:00 a.m.LIS - BUF
1 stop13h 55mDelta
Deal found 18/8C$ 905
Tue 21/107:00 a.m.BUF - LIS
1 stop17h 40mTAP AIR PORTUGAL
Wed 5/1111:40 a.m.LIS - BUF
1 stop12h 32mTAP AIR PORTUGAL
Deal found 19/8C$ 982
Tue 14/105:55 p.m.BUF - LIS
2 stops34h 25mUnited Airlines
Fri 24/105:05 a.m.LIS - BUF
2 stops21h 08mUnited Airlines
Deal found 19/8C$ 999
Sun 9/115:30 p.m.BUF - LIS
1 stop11h 45mTAP AIR PORTUGAL
Sat 15/1111:40 a.m.LIS - BUF
1 stop15h 20mTAP AIR PORTUGAL
Deal found 19/8C$ 1,019
Thu 2/109:38 a.m.BUF - LIS
1 stop19h 17mTAP AIR PORTUGAL
Fri 17/105:35 p.m.LIS - BUF
1 stop20h 18mTAP AIR PORTUGAL
Deal found 20/8C$ 1,055
Tue 14/104:01 p.m.BUF - LIS
2 stops17h 24mBritish Airways
Fri 24/1011:05 a.m.LIS - BUF
1 stop12h 13mBritish Airways
Deal found 20/8C$ 1,076

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 20 August 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

Sat 1/11

1:52 p.m.-9:20 a.m.

2 stops39h 28m

Lisbon Humberto Delgado

Thu 20/11

10:15 a.m.-6:35 p.m.

1 stop13h 20m

C$ 880

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 6/12

7:00 a.m.-4:05 p.m.

2 stops28h 05m

Lisbon Humberto Delgado

Wed 10/12

7:05 a.m.-11:50 p.m.

2 stops21h 45m

C$ 891

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 1/11

3:57 p.m.-9:00 a.m.

1 stop13h 03m

Lisbon Humberto Delgado

Thu 20/11

10:00 a.m.-6:55 p.m.

1 stop13h 55m

C$ 905

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 1/11

3:57 p.m.-9:00 a.m.

1 stop13h 03m

Lisbon Humberto Delgado

Thu 20/11

10:00 a.m.-6:55 p.m.

1 stop13h 55m

C$ 905

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 21/10

7:00 a.m.-5:40 a.m.

1 stop17h 40m

Lisbon Humberto Delgado

Wed 5/11

11:40 a.m.-7:12 p.m.

1 stop12h 32m

C$ 982

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 13/2

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

2 stops22h 20m

Lisbon Humberto Delgado

Fri 20/2

10:55 a.m.-5:59 p.m.

2 stops36h 04m

C$ 986

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 14/10

5:55 p.m.-9:20 a.m.

2 stops34h 25m

Lisbon Humberto Delgado

Fri 24/10

5:05 a.m.-9:13 p.m.

2 stops21h 08m

C$ 999

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 2/10

6:22 p.m.-9:20 p.m.

3 stops45h 58m

C$ 463

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 27/10

12:30 p.m.-5:35 a.m.

1 stop13h 05m

C$ 519

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 2/10

9:38 a.m.-9:55 a.m.

1 stop19h 17m

C$ 551

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/8

Showing 1-10 of 16 results
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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, January is the cheapest month in which you can book a flight from Buffalo to Portugal (average of C$ 482). Flying from Buffalo to Portugal in July is currently the most expensive (average of C$ 778). 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 20 August 2025.

When flying from Buffalo to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated 20 August 2025.
Get a feel of what it's like to fly with United Airlines from Buffalo to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 03m. United Airlines provides one of the quickest options available for as low as C$ 905. 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, January is the cheapest month in which you can book a flight from Buffalo to Portugal (average of C$ 482). Flying from Buffalo to Portugal in July is currently the most expensive (average of C$ 778). 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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Top airline flying from Buffalo to Portugal

Discover the top airline that operate flights from Buffalo to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 788AverageC$ 1,106FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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.

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