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Portugal

$326+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 29, 2025.

Round-trip from

$552
(Mytrip)

One-way from

$326
(FlightHub)

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. 0% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 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 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:00 amBUF - LIS
2 stops20h 55mMultiple Airlines
Fri 12/55:00 amLIS - BUF
2 stops23h 34mMultiple Airlines
Deal found 7/27$552
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 11/267:00 amBUF - LIS
2 stops20h 55mUnited Airlines
Fri 12/511:55 amLIS - BUF
1 stop12h 09mUnited Airlines
Deal found 7/27$586
This Expedia deal was found by Cheapflights users on 7/28. 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.
Mon 10/206:49 pmBUF - LIS
1 stop9h 16mBritish Airways
Thu 10/3010:55 amLIS - BUF
1 stop11h 23mBritish Airways
Deal found 7/28$670
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:45 amBUF - LIS
1 stop18h 20mAmerican Airlines
Thu 11/206:30 amLIS - BUF
2 stops21h 22mAmerican Airlines
Deal found 7/29$673
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 10/75:35 pmLIS - BUF
1 stop20h 18mTAP AIR PORTUGAL
Deal found 7/27$680
This oojo deal was found by Cheapflights users on 7/29. 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 stops50h 58mTurkish Airlines
Deal found 7/29$740
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/27. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:00 pmBUF - FNC
2 stops22h 10mTAP AIR PORTUGAL
Mon 12/84:10 amFNC - BUF
2 stops19h 29mTAP AIR PORTUGAL
Deal found 7/27$811
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Wed 10/226:00 pmBUF - OPO
1 stop11h 45mTAP AIR PORTUGAL
Mon 11/38:00 pmOPO - BUF
2 stops27h 39mTAP AIR PORTUGAL
Deal found 7/27$829
This oojo deal was found by Cheapflights users on 7/28. 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 9/97:59 pmBUF - OPO
2 stops38h 51mTurkish Airlines
Wed 9/244:50 pmOPO - BUF
2 stops27h 07mTurkish Airlines
Deal found 7/28$837
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 10/107:55 pmBUF - LIS
2 stops16h 55mDelta
Sun 10/199:55 amLIS - BUF
1 stop18h 02mDelta
Deal found 7/28$886
This Virgin Atlantic deal was found by Cheapflights users on 7/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:48 pmBUF - LIS
2 stops16h 57mVirgin Atlantic
Thu 9/1810:00 amLIS - BUF
1 stop19h 21mVirgin Atlantic
Deal found 7/29$911
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 9/97:24 pmBUF - OPO
1 stop9h 21mUnited Airlines
Wed 9/249:35 amOPO - BUF
1 stop11h 20mUnited Airlines
Deal found 7/28$943

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 29, 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

Wed 11/26

7:00 am-8:55 am

2 stops20h 55m

Lisbon Humberto Delgado

Fri 12/5

5:00 am-11:34 pm

2 stops23h 34m

$552

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 11/26

7:00 am-8:55 am

2 stops20h 55m

Lisbon Humberto Delgado

Fri 12/5

11:55 am-7:04 pm

1 stop12h 09m

$586

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/20

6:49 pm-9:05 am

1 stop9h 16m

Lisbon Humberto Delgado

Thu 10/30

10:55 am-6:18 pm

1 stop11h 23m

$670

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 11/1

10:45 am-9:05 am

1 stop18h 20m

Lisbon Humberto Delgado

Thu 11/20

6:30 am-10:52 pm

2 stops21h 22m

$673

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 9/30

9:38 am-10:05 am

1 stop19h 27m

Lisbon Humberto Delgado

Tue 10/7

5:35 pm-8:53 am

1 stop20h 18m

$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-8:53 am

2 stops50h 58m

$740

BuffaloFunchal

BUF - FNC

BUFFNC

Buffalo

Fri 12/5

2:00 pm-5:10 pm

2 stops22h 10m

Funchal Madeira

Mon 12/8

4:10 am-6:39 pm

2 stops19h 29m

$811

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Wed 10/22

6:00 pm-10:45 am

1 stop11h 45m

Porto

Mon 11/3

8:00 pm-6:39 pm

2 stops27h 39m

$829

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 9/9

7:59 pm-3:50 pm

2 stops38h 51m

Porto

Wed 9/24

4:50 pm-2:57 pm

2 stops27h 07m

$837

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 10/10

7:55 pm-5:50 pm

2 stops16h 55m

Lisbon Humberto Delgado

Sun 10/19

9:55 am-10:57 pm

1 stop18h 02m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 23 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 $1,129). 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 29, 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 29, 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
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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.
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
3,925 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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 cheapest airlines to fly from Buffalo to Portugal one-way?

    One-way options have recently been found by users for as low as $326 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Lufthansa from $552 and British Airways from $777 one-way.

  • 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 - Porto and Buffalo - Funchal Madeira.

  • 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 $1,129). 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$565Average$893FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$807Average$1,164FlexibilityNo cancel feeOn-timeN/A

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