What is the cheapest airline that flies from Buffalo to Portugal?

United Airlines and Virgin Atlantic are the most popular carriers operating from Buffalo to Portugal

What airlines fly to Portugal?

United Airlines, TAP AIR PORTUGAL and Delta are the top three most popular airlines that fly to Portugal from Buffalo according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 3 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Buffalo Airport to Portugal?

Prices for flights from Buffalo Airport to Portugal were last updated today.

How many operators does momondo search for flights from Buffalo Airport to Portugal?

As of November 2026, there are 2 operators available to choose from for flights from Buffalo Airport to Portugal.

How old do you have to be to fly from Buffalo Airport to Portugal?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$530 Cheap Flights from Buffalo to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Portugal

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 pm - 1:30 pmBUF Buffalo-LIS Lisbon Humberto Delgado

15h 00m2 stops Newark Munich Franz Josef Strauss

5:00 am - 10:37 pmLIS Lisbon Humberto Delgado-BUF Buffalo

22h 37m2 stops Frankfurt am Main Newark

$714Lufthansa

Mon, Feb 22 - Thu, Mar 4

3:21 pm - 2:55 pmBUF Buffalo-LIS Lisbon Humberto Delgado

18h 34m2 stops Philadelphia London Heathrow

11:05 am - 6:41 pmLIS Lisbon Humberto Delgado-BUF Buffalo

12h 36m1 stop Philadelphia

$718British Airways

Mon, Feb 22 - Thu, Mar 4

5:45 pm - 8:10 amBUF Buffalo-LIS Lisbon Humberto Delgado

9h 25m1 stop Newark

10:55 am - 4:41 pmLIS Lisbon Humberto Delgado-BUF Buffalo

34h 46m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$721United Airlines

Mon, Feb 1 - Fri, Feb 5

5:45 pm - 8:10 amBUF Buffalo-LIS Lisbon Humberto Delgado

9h 25m1 stop Newark

10:55 am - 8:52 pmLIS Lisbon Humberto Delgado-BUF Buffalo

38h 57m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$721United Airlines

Mon, Feb 1 - Fri, Feb 5

7:15 pm - 9:55 pmBUF Buffalo-OPO Porto

21h 40m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 11:05 pmOPO Porto-BUF Buffalo

23h 05m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$726Delta

Sun, Feb 14 - Fri, Feb 19

9:55 am - 8:10 amBUF Buffalo-LIS Lisbon Humberto Delgado

17h 15m2 stops Washington, D.C. Dulles Intl Newark

10:55 am - 4:51 pmLIS Lisbon Humberto Delgado-BUF Buffalo

34h 56m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$726United Airlines

Mon, Feb 1 - Fri, Feb 5

10:45 am - 9:05 amBUF Buffalo-LIS Lisbon Humberto Delgado

17h 20m1 stop Philadelphia

11:05 am - 6:41 pmLIS Lisbon Humberto Delgado-BUF Buffalo

12h 36m1 stop Philadelphia

$741British Airways

Mon, Feb 22 - Thu, Mar 4

6:00 am - 8:15 amBUF Buffalo-PDL Ponta Delgada Nordela

47h 15m2 stops Boston Logan Intl Lisbon Humberto Delgado

7:25 pm - 10:20 amPDL Ponta Delgada Nordela-BUF Buffalo

41h 55m2 stops Lisbon Humberto Delgado Boston Logan Intl

$997TAP AIR PORTUGAL

Sun, Mar 14 - Sun, Mar 21

10:25 am - 10:05 amBUF Buffalo-LIS Lisbon Humberto Delgado

18h 40m1 stop New York John F Kennedy Intl

5:00 pm - 8:04 pmLIS Lisbon Humberto Delgado-BUF Buffalo

32h 04m1 stop Boston Logan Intl

$1,048TAP AIR PORTUGAL

Tue, Dec 1 - Sun, Dec 6

11:34 am - 11:45 pmBUF Buffalo-PDL Ponta Delgada Nordela

33h 11m2 stops New York John F Kennedy Intl Lisbon Humberto Delgado

6:30 am - 10:20 amPDL Ponta Delgada Nordela-BUF Buffalo

30h 50m2 stops Lisbon Humberto Delgado Boston Logan Intl

$1,063TAP AIR PORTUGAL

Sun, Mar 14 - Mon, Mar 22

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United Airlines flights from Buffalo to Portugal

Our best United Airlines deals on Buffalo to Portugal flight tickets

United Airlines

Feb 1

BUF5:45 pmBuffalo

9h 25m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 5

LIS10:55 amLisbon Humberto Delgado

34h 46m

2 stops

BUF4:41 pmBuffalo

$721

United Airlines

Feb 1

BUF9:55 amBuffalo

17h 15m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 5

LIS10:55 amLisbon Humberto Delgado

34h 56m

2 stops

BUF4:51 pmBuffalo

$726

United Airlines

Feb 22

BUF10:45 amBuffalo

16h 25m

1 stop

LIS8:10 amLisbon Humberto Delgado

Mar 4

LIS5:00 amLisbon Humberto Delgado

23h 47m

2 stops

BUF11:47 pmBuffalo

$728

Delta flights from Buffalo to Portugal

Our best Delta deals on Buffalo to Portugal flight tickets

Delta

Feb 14

BUF7:15 pmBuffalo

21h 40m

2 stops

OPO9:55 pmPorto

Feb 19

OPO5:00 amPorto

23h 05m

2 stops

BUF11:05 pmBuffalo

$726

Delta

Jan 6

BUF7:00 amBuffalo

20h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Mar 3

LIS5:00 amLisbon Humberto Delgado

23h 56m

2 stops

BUF11:56 pmBuffalo

$753

Delta

Jan 3

BUF12:07 pmBuffalo

15h 48m

2 stops

LIS8:55 amLisbon Humberto Delgado

Mar 2

LIS5:30 amLisbon Humberto Delgado

22h 48m

2 stops

BUF11:18 pmBuffalo

$765

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 2/22

5:30 pm-1:30 pm

2 stops15h 00m

Lisbon Humberto Delgado

Thu 3/4

5:00 am-10:37 pm

2 stops22h 37m

$714

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 2/22

3:21 pm-2:55 pm

2 stops18h 34m

Lisbon Humberto Delgado

Thu 3/4

11:05 am-6:41 pm

1 stop12h 36m

$718

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 2/1

5:45 pm-8:10 am

1 stop9h 25m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-4:41 pm

2 stops34h 46m

$721

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 2/1

5:45 pm-8:10 am

1 stop9h 25m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-8:52 pm

2 stops38h 57m

$721

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Sun 2/14

7:15 pm-9:55 pm

2 stops21h 40m

Porto

Fri 2/19

5:00 am-11:05 pm

2 stops23h 05m

$726

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 2/1

9:55 am-8:10 am

2 stops17h 15m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-4:51 pm

2 stops34h 56m

$726

Quickest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 2/22

10:45 am-9:05 am

1 stop17h 20m

Lisbon Humberto Delgado

Thu 3/4

11:05 am-6:41 pm

1 stop12h 36m

$741

BuffaloPonta Delgada

BUF Buffalo - PDL Ponta Delgada Nordela

BUFPDL

Buffalo

Sun 3/14

6:00 am-8:15 am

2 stops47h 15m

Ponta Delgada Nordela

Sun 3/21

7:25 pm-10:20 am

2 stops41h 55m

$997

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 12/1

10:25 am-10:05 am

1 stop18h 40m

Lisbon Humberto Delgado

Sun 12/6

5:00 pm-8:04 pm

1 stop32h 04m

$1,048

BuffaloPonta Delgada

BUF Buffalo - PDL Ponta Delgada Nordela

BUFPDL

Buffalo

Sun 3/14

11:34 am-11:45 pm

2 stops33h 11m

Ponta Delgada Nordela

Mon 3/22

6:30 am-10:20 am

2 stops30h 50m

$1,063

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Buffalo is in June. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Portugal from Buffalo during January instead. Flights to Portugal in January, while not as cheap as those in June, still average around $0.

Can stopping save me money on Buffalo to Portugal flights?

You could potentially save up to 38% on your flight if you consider stops on a Buffalo to Portugal flight.

Cheap Buffalo to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Portugal

Best Price Found	$530
Fastest flight time	9h 25m
Direct flights	None

The best one-way flight to Portugal from Buffalo in the past 72 hours is $530. The best round-trip flight deal from Buffalo to Portugal found on momondo in the last 72 hours is $714.

The fastest flight from Buffalo to Portugal takes 9h 25m

There are no direct flights from Buffalo to Portugal. There are no popular flight routes from Buffalo to Portugal.

Search flight deals

Frequently asked questions about flying from Buffalo to Portugal

When did momondo last update prices for flights from Buffalo Airport to Portugal?
Prices for flights from Buffalo Airport to Portugal were last updated today.
How many operators does momondo search for flights from Buffalo Airport to Portugal?
As of November 2026, there are 2 operators available to choose from for flights from Buffalo Airport to Portugal.
How old do you have to be to fly from Buffalo Airport to Portugal?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Buffalo to Portugal

Compare and see reviews for airlines that fly from Buffalo to Portugal with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $814	Free Cancellation	Rating 7.3 10,461 reviews		Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom $878	Free Cancellation	Rating 7.2 2,394 reviews		Search TAP AIR PORTUGAL flights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Portugal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from Buffalo.

Can I find flights from Buffalo to Portugal with flexible booking policies on momondo?

Flights from Buffalo to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to Portugal?

Once you have performed a search for Buffalo to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Buffalo to Portugal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portugal from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

Other flights from Buffalo

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $364

Flights to Portofrom $400

Flights to Funchalfrom $585

Flights to Farofrom $549

Flights to Ponta Delgadafrom $310

Flights to Lajesfrom $313

Flights to Hortafrom $883

Flights to Pico Islandfrom $699

Flights to Porto Santofrom $791

Flights to Velasfrom $691

Cheap flights from Buffalo to Portugal from $530

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Portugal departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Buffalo to Portugal

Our best United Airlines deals on Buffalo to Portugal flight tickets

Delta flights from Buffalo to Portugal

Our best Delta deals on Buffalo to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Buffalo to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Buffalo to Portugal

What is the cheapest month to fly to Portugal?

Can stopping save me money on Buffalo to Portugal flights?

What is the cheapest airline that flies from Buffalo to Portugal?

What airlines fly to Portugal?

Cheap Buffalo to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Buffalo to Portugal

Best airlines flying from Buffalo to Portugal

Compare and see reviews for airlines that fly from Buffalo to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Buffalo flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year