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Portugal

$386+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
nov 28 — dez 51
sex 11/28
sex 12/5
1 adult, Economy
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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 outubro 29, 2025.

This Rumbo deal was found by Cheapflights users on 10/27. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 11/107:59 pmBUF - LIS
2 stops31h 01mVirgin Atlantic
qua 11/2611:15 amLIS - BUF
2 stops37h 04mVirgin Atlantic
Deal found 10/27$509
This Flighttix deal was found by Cheapflights users on 10/29. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/237:21 pmBUF - LIS
1 stop31h 49mLufthansa
ter 12/95:00 amLIS - BUF
2 stops17h 51mLufthansa
Deal found 10/29$523
This United Airlines deal was found by Cheapflights users on 10/27. 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.
dom 11/162:55 pmBUF - LIS
1 stop14h 20mUnited Airlines
ter 12/911:20 amLIS - BUF
2 stops32h 02mUnited Airlines
Deal found 10/27$526
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/237:59 pmBUF - LIS
2 stops16h 31mDelta
ter 12/911:25 amLIS - BUF
2 stops17h 51mDelta
Deal found 10/29$543
This Delta deal was found by Cheapflights users on 10/28. 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.
seg 11/1011:19 amBUF - LIS
2 stops19h 01mDelta
qua 11/2611:15 amLIS - BUF
2 stops16h 46mDelta
Deal found 10/28$545
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/113:55 pmBUF - OPO
2 stops16h 25mKLM
qui 12/1811:20 amOPO - BUF
2 stops17h 56mKLM
Deal found 10/27$552
This Billigflug deal was found by Cheapflights users on 10/27. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/111:50 pmBUF - LIS
2 stops15h 25mMultiple Airlines
qui 12/1810:15 amLIS - BUF
1 stop13h 19mMultiple Airlines
Deal found 10/27$573
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 12/53:00 pmBUF - LIS
1 stop14h 15mUnited Airlines
ter 12/911:20 amLIS - BUF
2 stops34h 33mUnited Airlines
Deal found 10/29$576
This KLM deal was found by Cheapflights users on 10/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 12/511:21 amBUF - LIS
2 stops15h 39mMultiple Airlines
ter 12/911:25 amLIS - BUF
2 stops17h 51mMultiple Airlines
Deal found 10/29$581
This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/1111:21 amBUF - LIS
1 stop16h 34mVirgin Atlantic
qui 12/1810:00 amLIS - BUF
1 stop14h 19mVirgin Atlantic
Deal found 10/27$584
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/1612:05 pmBUF - OPO
2 stops17h 25mKLM
ter 12/96:05 amOPO - BUF
2 stops18h 14mKLM
Deal found 10/27$741
This United deal was found by Cheapflights users on 10/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/1612:15 pmBUF - OPO
1 stop16h 15mMultiple Airlines
ter 12/912:30 pmOPO - BUF
2 stops16h 04mMultiple Airlines
Deal found 10/27$753

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 outubro 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$504
(FlightHub)

One-way from

$386
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$827
Provider with most accurate pricing for Buffalo-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Lisbon Humberto Delgado flights.
Search Deals
From Buffalo to Portugal
Search Deals
One-way flight from Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 2,558,603 searches. Data last updated outubro 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

ter 2/3

11:51 am-4:05 pm

2 stops23h 14m

Lisbon Humberto Delgado

qua 2/11

7:05 am-12:16 am

2 stops22h 11m

$504

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

dom 11/16

2:55 pm-10:15 am

1 stop14h 20m

Lisbon Humberto Delgado

ter 12/9

11:20 am-2:22 pm

2 stops32h 02m

$526

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

qui 3/12

7:00 am-4:05 pm

2 stops29h 05m

Lisbon Humberto Delgado

dom 3/22

4:55 pm-11:49 pm

2 stops34h 54m

$530

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

ter 2/3

3:38 pm-8:00 am

1 stop11h 22m

Lisbon Humberto Delgado

qua 2/11

5:00 am-4:59 pm

2 stops16h 59m

$539

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

qui 12/11

3:55 pm-1:20 pm

2 stops16h 25m

Porto

qui 12/18

11:20 am-12:16 am

2 stops17h 56m

$552

BuffaloFunchal

BUF - FNC

BUFFNC

Buffalo

qui 1/15

10:00 am-8:25 pm

2 stops29h 25m

Funchal Madeira

seg 1/19

5:40 pm-9:04 am

2 stops44h 24m

$718

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

sex 3/27

7:00 am-9:30 am

2 stops22h 30m

Porto

ter 3/31

6:00 am-11:26 pm

2 stops22h 26m

$727

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

dom 11/16

12:05 pm-10:30 am

2 stops17h 25m

Porto

ter 12/9

6:05 am-7:19 pm

2 stops18h 14m

$741

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

dom 11/16

12:15 pm-9:30 am

1 stop16h 15m

Porto

ter 12/9

12:30 pm-11:34 pm

2 stops16h 04m

$753

BuffaloFunchal

BUF - FNC

BUFFNC

Buffalo

sex 12/5

6:19 pm-5:10 pm

2 stops17h 51m

Funchal Madeira

ter 12/9

9:15 pm-6:39 pm

2 stops26h 24m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 25 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, November is the cheapest month in which you can book a flight from Buffalo to Portugal (average of $548). Flying from Buffalo to Portugal in June is currently the most expensive (average of $1,008). 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 outubro 29, 2025.

It’s optimal to fly from Buffalo to Portugal at noon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the evening.

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 outubro 29, 2025.
Peruse reviews from past customers who have flown with United Airlines and TAP AIR PORTUGAL 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.
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
TAP AIR PORTUGAL
7.1
Good
2,035 reviews
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Buffalo to Portugal?

    Scandinavian Airlines, United Airlines, and KLM can get you from Buffalo to Portugal in just under 14h 20m. Your travel time can differ by up to 8h 54m. The distance from Buffalo to Portugal is about 3540 mi. This flight may include one or multiple stops.

  • 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 $386 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Brussels Airlines from $409 and United Airlines from $490 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, November is the cheapest month in which you can book a flight from Buffalo to Portugal (average of $548). Flying from Buffalo to Portugal in June is currently the most expensive (average of $1,008). 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 outubro 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$885FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$699Average$1,060FlexibilityNo cancel feeOn-timeN/A

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