HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$387+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Portugal with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$790
(Flighttix)

One-way from

$387
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,083
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 28, 2025.

This United deal was found by Cheapflights users on 3/27. 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.
Tue 11/187:30 pmBUF - LIS
1 stop9h 45mUnited Airlines
Tue 11/2511:00 amLIS - BUF
2 stops34h 47mUnited Airlines
Deal found 3/27$618
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:34 pmBUF - LIS
1 stop14h 41mAmerican Airlines
Tue 11/256:30 amLIS - BUF
2 stops21h 01mAmerican Airlines
Deal found 3/27$640
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:53 pmBUF - LIS
2 stops17h 52mBritish Airways
Tue 11/256:30 amLIS - BUF
2 stops21h 01mBritish Airways
Deal found 3/27$646
This Flighttix deal was found by Cheapflights users on 3/27. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/147:45 pmBUF - LIS
1 stop9h 45mMultiple Airlines
Tue 4/2911:25 amLIS - BUF
2 stops27h 29mMultiple Airlines
Deal found 3/27$790
This Flighttix deal was found by Cheapflights users on 3/27. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/147:45 pmBUF - LIS
1 stop9h 45mLufthansa
Tue 4/2912:20 pmLIS - BUF
1 stop11h 27mLufthansa
Deal found 3/27$793
This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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.
Wed 10/86:00 pmBUF - LIS
1 stop11h 10mTAP AIR PORTUGAL
Wed 10/225:35 pmLIS - BUF
1 stop21h 00mTAP AIR PORTUGAL
Deal found 3/26$834
This Turkish Airlines deal was found by Cheapflights users on 3/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:55 pmBUF - LIS
2 stops36h 45mTurkish Airlines
Wed 10/224:30 pmLIS - BUF
2 stops31h 51mTurkish Airlines
Deal found 3/26$835
This Scandinavian Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 10/811:40 amBUF - LIS
3 stops29h 30mScandinavian Airlines
Wed 10/227:15 amLIS - BUF
2 stops21h 43mScandinavian Airlines
Deal found 3/26$902
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 8/214:23 pmBUF - OPO
1 stop9h 42mUnited Airlines
Sat 9/68:55 amOPO - BUF
1 stop11h 29mUnited Airlines
Deal found 3/27$911
This FlightHub deal was found by Cheapflights users on 3/26. 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.
Sat 11/229:15 amBUF - OPO
2 stops23h 45mTAP AIR PORTUGAL
Fri 11/282:20 pmOPO - BUF
2 stops23h 09mTAP AIR PORTUGAL
Deal found 3/26$1,117
This Air Canada deal was found by Cheapflights users on 3/26. 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.
Wed 10/810:57 amBUF - LIS
3 stops17h 23mAir Canada
Wed 10/2211:25 amLIS - BUF
3 stops27h 31mAir Canada
Deal found 3/26$1,285
This FlightHub deal was found by Cheapflights users on 3/26. 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.
Thu 8/146:49 pmBUF - FNC
2 stops36h 31mBritish Airways
Mon 8/186:50 pmFNC - BUF
2 stops30h 22mBritish Airways
Deal found 3/26$2,088

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 March 28, 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

Mon 4/14

7:45 pm-10:30 am

1 stop9h 45m

Lisbon Humberto Delgado

Tue 4/29

11:25 am-9:54 am

2 stops27h 29m

$790

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/14

7:45 pm-10:30 am

1 stop9h 45m

Lisbon Humberto Delgado

Tue 4/29

12:20 pm-6:47 pm

1 stop11h 27m

$793

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Thu 8/21

4:23 pm-7:05 am

1 stop9h 42m

Porto

Sat 9/6

8:55 am-3:24 pm

1 stop11h 29m

$911

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 8/1

7:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Fri 8/15

11:25 am-10:28 pm

2 stops40h 03m

$1,033

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 7/4

12:14 pm-9:05 am

1 stop15h 51m

Lisbon Humberto Delgado

Wed 7/9

11:05 am-11:57 pm

2 stops17h 52m

$1,061

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 7/1

8:25 pm-11:35 pm

2 stops22h 10m

Lisbon Humberto Delgado

Mon 7/14

5:55 am-11:44 pm

2 stops22h 49m

$1,156

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sat 5/17

6:30 pm-10:15 am

1 stop10h 45m

Lisbon Humberto Delgado

Thu 5/29

11:45 am-5:55 pm

1 stop11h 10m

$1,199

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/14

10:54 am-9:20 am

3 stops17h 26m

Lisbon Humberto Delgado

Tue 4/29

11:25 am-9:54 am

3 stops27h 29m

$1,346

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 7/1

4:46 pm-2:25 pm

2 stops16h 39m

Lisbon Humberto Delgado

Mon 7/14

11:05 am-8:56 pm

1 stop14h 51m

$1,469

BuffaloFunchal

BUF - FNC

BUFFNC

Buffalo

Thu 8/14

6:49 pm-12:20 pm

2 stops36h 31m

Funchal Madeira

Mon 8/18

6:50 pm-8:12 pm

2 stops30h 22m

$2,088

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 21 results
1
2
3

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 $1,213). 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 March 28, 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.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 March 28, 2025.
To help decide which airline to fly from Buffalo to Portugal, see what other customers have to say about United Airlines, Turkish Airlines and Scandinavian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

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
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

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??
Turkish Airlines
7.3
Good
3,744 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

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??
Scandinavian Airlines
7.3
Good
1,325 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

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??
TAP AIR PORTUGAL
7.1
Good
1,827 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

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?

    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 $549 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include American Airlines from $621 and United Airlines from $658 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 $1,213). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Charles de Gaulle flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Athens flights
John F Kennedy Intl to Athens flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Lisbon flights
Newark to Gatwick flights
John F Kennedy Intl to Orly flights
Newark to Orly flights
Newark to Lisbon flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Barcelona-El Prat flights
LaGuardia to Charles de Gaulle flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Malpensa flights
Newark to Malpensa flights
John F Kennedy Intl to Dublin flights
Newark to Madrid flights
Newark to London City flights
Stewart to Charles de Gaulle flights
John F Kennedy Intl to Frederic Chopin flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Newark to Dublin flights
Stewart to Stansted flights
LaGuardia to Athens flights
Newark to Frankfurt flights
Newark to Keflavik Intl flights
John F Kennedy Intl to Amsterdam flights
John F Kennedy Intl to Vicenza flights
Newark to Amsterdam flights
John F Kennedy Intl to Keflavik Intl flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Zurich flights
LaGuardia to Lisbon flights
John F Kennedy Intl to Linate flights
John F Kennedy Intl to Frankfurt flights
LaGuardia to Keflavik Intl flights
John F Kennedy Intl to Stansted flights
LaGuardia to Barcelona-El Prat flights
Newark to Frederic Chopin flights
Newark to Vicenza flights
Newark to Porto flights
Stewart to Keflavik Intl flights

Top 5 airlines flying from Buffalo to Portugal

Discover the top 5 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$449Average$1,152FlexibilityNo cancel feeOn-time71%
DeltaCheapest$560Average$1,124FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$565Average$1,080FlexibilityNo cancel feeOn-time69%
KLMCheapest$665Average$916FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$807Average$1,312FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.