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Portugal

$340+ Cheap flights from Buffalo (BUF) to Portugal

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
Jul 27 — Aug 31
Sun 7/27
Sun 8/3
1 adult, Economy
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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 July 22, 2025.

Round-trip from

$606
(United Airlines)

One-way from

$340
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,051
From Buffalo to Portugal
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One-way flight from Buffalo to Portugal
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Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 22, 2025.

This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amBUF - LIS
2 stops22h 55mUnited Airlines
Thu 11/2010:55 amLIS - BUF
2 stops31h 22mUnited Airlines
Deal found 7/21$606
This KLM deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:00 pmBUF - LIS
1 stop12h 00mKLM
Fri 11/285:00 amLIS - BUF
2 stops17h 23mKLM
Deal found 7/22$612
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:00 pmBUF - LIS
2 stops14h 00mDelta
Fri 11/285:00 amLIS - BUF
2 stops17h 23mDelta
Deal found 7/22$617
This Air Canada deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:40 pmBUF - LIS
2 stops35h 40mAir Canada
Thu 11/2010:55 amLIS - BUF
2 stops39h 05mAir Canada
Deal found 7/21$619
This Expedia deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:35 amBUF - LIS
2 stops40h 30mMultiple Airlines
Tue 8/269:05 pmLIS - BUF
2 stops31h 52mMultiple Airlines
Deal found 7/22$673
This Cheapflightsfares deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:38 amBUF - LIS
1 stop19h 27mTAP AIR PORTUGAL
Tue 10/711:45 amLIS - BUF
1 stop14h 15mTAP AIR PORTUGAL
Deal found 7/20$680
This oojo deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:59 pmBUF - LIS
2 stops22h 36mTurkish Airlines
Tue 10/710:55 amLIS - BUF
2 stops33h 05mTurkish Airlines
Deal found 7/21$745
This FlightHub deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:00 pmBUF - FNC
2 stops33h 35mTAP AIR PORTUGAL
Thu 9/259:50 pmFNC - BUF
2 stops40h 13mTAP AIR PORTUGAL
Deal found 7/20$746
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:24 pmBUF - OPO
1 stop9h 21mUnited Airlines
Wed 10/16:00 amOPO - BUF
2 stops17h 53mUnited Airlines
Deal found 7/20$749
This Ovago deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:26 pmBUF - LIS
1 stop11h 39mBritish Airways
Tue 10/78:25 amLIS - BUF
2 stops20h 10mBritish Airways
Deal found 7/20$763
This Gurufare deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:00 amBUF - OPO
1 stop22h 35mTAP AIR PORTUGAL
Wed 10/16:10 pmOPO - BUF
1 stop19h 43mTAP AIR PORTUGAL
Deal found 7/20$832
This Scandinavian Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:58 pmBUF - LIS
3 stops25h 07mScandinavian Airlines
Thu 9/117:00 amLIS - BUF
2 stops17h 14mScandinavian Airlines
Deal found 7/21$909

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 2,558,603 searches. Data last updated July 22, 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 11/1

6:00 am-8:55 am

2 stops22h 55m

Lisbon Humberto Delgado

Thu 11/20

10:55 am-1:17 pm

2 stops31h 22m

$606

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 11/17

4:00 pm-9:00 am

1 stop12h 00m

Lisbon Humberto Delgado

Fri 11/28

5:00 am-5:23 pm

2 stops17h 23m

$612

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 11/17

2:00 pm-9:00 am

2 stops14h 00m

Lisbon Humberto Delgado

Fri 11/28

5:00 am-5:23 pm

2 stops17h 23m

$617

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 11/1

5:40 pm-9:20 am

2 stops35h 40m

Lisbon Humberto Delgado

Thu 11/20

10:55 am-9:00 pm

2 stops39h 05m

$619

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 8/19

11:35 am-9:05 am

2 stops40h 30m

Lisbon Humberto Delgado

Tue 8/26

9:05 pm-11:57 pm

2 stops31h 52m

$673

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 9/30

9:38 am-10:05 am

1 stop19h 27m

Lisbon Humberto Delgado

Tue 10/7

11:45 am-9:00 pm

1 stop14h 15m

$680

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 9/30

7:59 pm-11:35 pm

2 stops22h 36m

Lisbon Humberto Delgado

Tue 10/7

10:55 am-3:00 pm

2 stops33h 05m

$745

BuffaloFunchal

BUF - FNC

BUFFNC

Buffalo

Mon 9/15

6:00 pm-8:35 am

2 stops33h 35m

Funchal Madeira

Thu 9/25

9:50 pm-9:03 am

2 stops40h 13m

$746

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 9/21

7:24 pm-9:45 am

1 stop9h 21m

Porto

Wed 10/1

6:00 am-6:53 pm

2 stops17h 53m

$749

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 9/30

4:26 pm-9:05 am

1 stop11h 39m

Lisbon Humberto Delgado

Tue 10/7

8:25 am-11:35 pm

2 stops20h 10m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 21 results
1
2
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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 $612). Flying from Buffalo to Portugal in June is currently the most expensive (average of $1,128). 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 July 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Portugal as you normally would.

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 July 22, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Buffalo to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
KLM
7.8
Good
1,374 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,875 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Turkish Airlines
7.3
Good
3,911 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Scandinavian Airlines
7.3
Good
1,439 reviews
Delta
8.0
Very good
7,962 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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?

    Located just 8.3 mi from the city center, Buffalo (BUF) is the airport most travelers will use when flying to Portugal from Buffalo.

  • What are the most popular routes from Buffalo to Portugal?

    The most popular flight routes from Buffalo to Portugal are Buffalo - Lisbon Humberto Delgado, Buffalo - Funchal Madeira and Buffalo - Porto.

  • 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 $612). Flying from Buffalo to Portugal in June is currently the most expensive (average of $1,128). 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 2 airlines flying from Buffalo to Portugal

Discover the top 2 airlines 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 2,558,603 searches. Data last updated July 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$565Average$901FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$807Average$1,164FlexibilityNo cancel feeOn-timeN/A

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