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

KLM and Delta are the most popular carriers operating from Buffalo to Portugal

What airlines fly to Portugal?

United Airlines, American Airlines and TAP AIR PORTUGAL 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 55% 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 February 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.

$333 Cheap Flights from Buffalo to Portugal in 2026

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Find the cheapest flights from Buffalo to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 8:55 am

BUF

LIS

20h 55m

1 stop

11:25 am - 12:14 am

LIS

BUF

16h 49m

2 stops

$484KLM

Sun, Mar 1 - Tue, Mar 17

7:00 am - 8:10 am

BUF

LIS

20h 10m

2 stops

5:00 am - 11:56 pm

LIS

BUF

22h 56m

2 stops

$485United Airlines

Sun, Mar 1 - Tue, Mar 17

6:07 am - 10:15 am

BUF

LIS

23h 08m

1 stop

5:00 am - 11:42 pm

LIS

BUF

22h 42m

2 stops

$497United Airlines

Wed, Mar 4 - Wed, Mar 11

2:54 pm - 8:10 am

BUF

LIS

12h 16m

2 stops

5:00 am - 11:42 pm

LIS

BUF

22h 42m

2 stops

$501United Airlines

Tue, Mar 3 - Tue, Mar 10

12:26 pm - 11:20 am

BUF

LIS

17h 54m

2 stops

11:25 am - 12:14 am

LIS

BUF

16h 49m

2 stops

$504Delta

Wed, Mar 4 - Wed, Mar 11

11:50 am - 8:00 am

BUF

LIS

15h 10m

1 stop

12:15 pm - 12:49 am

LIS

BUF

17h 34m

2 stops

$505Multiple Airlines

Mon, Apr 20 - Wed, Apr 29

6:07 am - 10:15 am

BUF

LIS

23h 08m

1 stop

11:55 am - 11:42 pm

LIS

BUF

15h 47m

1 stop

$509United Airlines

Wed, Mar 4 - Wed, Mar 11

11:52 am - 10:35 am

BUF

LIS

17h 43m

2 stops

11:25 am - 12:14 am

LIS

BUF

16h 49m

2 stops

$510Delta

Wed, Mar 4 - Wed, Mar 11

10:44 am - 11:10 pm

BUF

LIS

31h 26m

2 stops

7:20 am - 9:36 pm

LIS

BUF

19h 16m

2 stops

$511British Airways

Mon, Apr 20 - Wed, Apr 29

6:00 am - 1:05 pm

BUF

FNC

26h 05m

2 stops

9:25 am - 9:00 am

FNC

BUF

28h 35m

2 stops

$742TAP AIR PORTUGAL

Sun, May 3 - Sat, May 9

Delta flights from Buffalo to Portugal

Our best Delta deals on Buffalo to Portugal flight tickets

Delta

Mar 4

BUF12:26 pmBuffalo

17h 54m

2 stops

LIS11:20 amLisbon Humberto Delgado

Mar 11

LIS11:25 amLisbon Humberto Delgado

16h 49m

2 stops

BUF12:14 amBuffalo

$504

Delta

Mar 4

BUF11:52 amBuffalo

17h 43m

2 stops

LIS10:35 amLisbon Humberto Delgado

Mar 11

LIS11:25 amLisbon Humberto Delgado

16h 49m

2 stops

BUF12:14 amBuffalo

$510

Delta

Jul 12

BUF3:50 pmBuffalo

13h 40m

1 stop

OPO10:30 amPorto

Jul 19

OPO12:25 pmPorto

16h 31m

1 stop

BUF11:56 pmBuffalo

$1,049

British Airways flights from Buffalo to Portugal

Our best British Airways deals on Buffalo to Portugal flight tickets

British Airways

Apr 20

BUF10:44 amBuffalo

31h 26m

2 stops

LIS11:10 pmLisbon Humberto Delgado

Apr 29

LIS7:20 amLisbon Humberto Delgado

19h 16m

2 stops

BUF9:36 pmBuffalo

$511

British Airways

Feb 9

BUF11:50 amBuffalo

16h 15m

1 stop

LIS9:05 amLisbon Humberto Delgado

Feb 24

LIS11:05 amLisbon Humberto Delgado

16h 44m

1 stop

BUF10:49 pmBuffalo

$549

British Airways

Apr 18

BUF10:44 amBuffalo

31h 26m

2 stops

LIS11:10 pmLisbon Humberto Delgado

Apr 28

LIS4:30 pmLisbon Humberto Delgado

34h 00m

2 stops

BUF9:30 pmBuffalo

$561

Fly from

Fly to

Route

Depart

Return

Price

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 3/1

7:00 am-8:55 am

1 stop20h 55m

Lisbon Humberto Delgado

Tue 3/17

11:25 am-12:14 am

2 stops16h 49m

$484

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 3/1

7:00 am-8:10 am

2 stops20h 10m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-11:56 pm

2 stops22h 56m

$485

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 3/4

6:07 am-10:15 am

1 stop23h 08m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-11:42 pm

2 stops22h 42m

$497

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 3/3

2:54 pm-8:10 am

2 stops12h 16m

Lisbon Humberto Delgado

Tue 3/10

5:00 am-11:42 pm

2 stops22h 42m

$501

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 3/4

12:26 pm-11:20 am

2 stops17h 54m

Lisbon Humberto Delgado

Wed 3/11

11:25 am-12:14 am

2 stops16h 49m

$504

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/20

11:50 am-8:00 am

1 stop15h 10m

Lisbon Humberto Delgado

Wed 4/29

12:15 pm-12:49 am

2 stops17h 34m

$505

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 3/4

6:07 am-10:15 am

1 stop23h 08m

Lisbon Humberto Delgado

Wed 3/11

11:55 am-11:42 pm

1 stop15h 47m

$509

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 3/4

11:52 am-10:35 am

2 stops17h 43m

Lisbon Humberto Delgado

Wed 3/11

11:25 am-12:14 am

2 stops16h 49m

$510

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/20

10:44 am-11:10 pm

2 stops31h 26m

Lisbon Humberto Delgado

Wed 4/29

7:20 am-9:36 pm

2 stops19h 16m

$511

BuffaloFunchal

BUF - FNC

BUFFNC

Buffalo

Sun 5/3

6:00 am-1:05 pm

2 stops26h 05m

Funchal Madeira

Sat 5/9

9:25 am-9:00 am

2 stops28h 35m

$742

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 February. Flight prices, which tend to average around $640, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Buffalo during November instead. Flights to Portugal in November, while not as cheap as those in February, still average around $699.

Can stopping save me money on Buffalo to Portugal flights?

You could potentially save up to 19% 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

Fastest flight time	9h 42m
Direct flights	None

The fastest flight from Buffalo to Portugal takes 9h 42m

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

Search flight deals

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 February 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 $666	Free Cancellation	Rating 7.4 9,229 reviews		Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom $699	Free Cancellation	Rating 7.1 2,132 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.