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 68% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 5 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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

TAP AIR PORTUGAL and Air Canada are the most popular carriers operating 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 September 2025, 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.

$395 Cheap Flights from Buffalo to Portugal in 2025

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Find the cheapest flights from Buffalo to Portugal

Round-trip

One-way

Cheap round-trip flights

3:21 pm - 9:05 amBUF-LIS

13h 44m1 stop

11:05 am - 10:49 pmLIS-BUF

16h 44m1 stop

$545British Airways

Find Deal

Tue, Oct 28 - Wed, Nov 5

3:21 pm - 12:05 pmBUF-LIS

16h 44m2 stops

6:30 am - 11:36 pmLIS-BUF

22h 06m2 stops

$548British Airways

Find Deal

Tue, Oct 28 - Wed, Nov 5

7:23 pm - 9:45 amBUF-OPO

9h 22m1 stop

12:30 pm - 10:03 amOPO-BUF

26h 33m2 stops

$560United Airlines

Find Deal

Sun, Oct 19 - Wed, Nov 5

3:21 pm - 9:05 amBUF-LIS

12h 44m1 stop

6:30 am - 10:49 pmLIS-BUF

21h 19m2 stops

$563American Airlines

Find Deal

Thu, Oct 23 - Thu, Nov 6

1:31 pm - 9:05 amBUF-LIS

14h 34m1 stop

6:30 am - 8:09 pmLIS-BUF

18h 39m2 stops

$565American Airlines

Find Deal

Thu, Jan 15 - Thu, Feb 5

10:55 am - 11:20 amBUF-OPO

19h 25m2 stops

12:30 pm - 10:03 amOPO-BUF

26h 33m2 stops

$587United Airlines

Find Deal

Wed, Oct 22 - Fri, Nov 7

7:55 pm - 3:30 pmBUF-OPO

14h 35m2 stops

11:20 am - 10:52 pmOPO-BUF

16h 32m2 stops

$597Delta

Find Deal

Tue, Oct 21 - Thu, Nov 6

3:56 pm - 10:30 amBUF-OPO

14h 34m2 stops

11:15 am - 11:59 pmOPO-BUF

17h 44m2 stops

$611Delta

Find Deal

Sun, Oct 26 - Tue, Nov 11

6:00 am - 10:15 amBUF-LIS

23h 15m1 stop

4:40 pm - 8:48 amLIS-BUF

21h 08m1 stop

$714TAP AIR PORTUGAL

Find Deal

Sun, Nov 16 - Tue, Nov 25

12:30 pm - 5:35 amBUF-LIS

12h 05m1 stop

11:40 am - 6:39 pmLIS-BUF

11h 59m1 stop

$716TAP AIR PORTUGAL

Find Deal

Tue, Nov 4 - Tue, Dec 9

KLM flights from Buffalo to Portugal

Our best KLM deals on Buffalo to Portugal flight tickets

KLM

Nov 1

BUF7:50 pmBuffalo

9h 10m

1 stop

LIS9:00 amLisbon Humberto Delgado

Nov 20

LIS10:00 amLisbon Humberto Delgado

18h 59m

1 stop

BUF11:59 pmBuffalo

$703

Find similar

KLM

Nov 13

BUF11:19 amBuffalo

16h 36m

1 stop

LIS8:55 amLisbon Humberto Delgado

Nov 27

LIS10:00 amLisbon Humberto Delgado

14h 19m

1 stop

BUF7:19 pmBuffalo

$720

Find similar

KLM

Oct 20

BUF7:00 amBuffalo

20h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Oct 28

LIS9:30 amLisbon Humberto Delgado

17h 22m

2 stops

BUF10:52 pmBuffalo

$725

Find similar

American Airlines flights from Buffalo to Portugal

Our best American Airlines deals on Buffalo to Portugal flight tickets

American Airlines

Oct 23

BUF3:21 pmBuffalo

12h 44m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 6

LIS6:30 amLisbon Humberto Delgado

21h 19m

2 stops

BUF10:49 pmBuffalo

$563

Find similar

American Airlines

Jan 15

BUF1:31 pmBuffalo

14h 34m

1 stop

LIS9:05 amLisbon Humberto Delgado

Feb 5

LIS6:30 amLisbon Humberto Delgado

18h 39m

2 stops

BUF8:09 pmBuffalo

$565

Find similar

American Airlines

Jan 15

BUF4:31 pmBuffalo

11h 34m

1 stop

LIS9:05 amLisbon Humberto Delgado

Feb 5

LIS10:55 amLisbon Humberto Delgado

16h 31m

1 stop

BUF10:26 pmBuffalo

$567

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 10/28

3:21 pm-9:05 am

1 stop13h 44m

Lisbon Humberto Delgado

Wed 11/5

11:05 am-10:49 pm

1 stop16h 44m

$545

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 10/28

3:21 pm-12:05 pm

2 stops16h 44m

Lisbon Humberto Delgado

Wed 11/5

6:30 am-11:36 pm

2 stops22h 06m

$548

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 10/19

7:23 pm-9:45 am

1 stop9h 22m

Porto

Wed 11/5

12:30 pm-10:03 am

2 stops26h 33m

$560

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 10/23

3:21 pm-9:05 am

1 stop12h 44m

Lisbon Humberto Delgado

Thu 11/6

6:30 am-10:49 pm

2 stops21h 19m

$563

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 1/15

1:31 pm-9:05 am

1 stop14h 34m

Lisbon Humberto Delgado

Thu 2/5

6:30 am-8:09 pm

2 stops18h 39m

$565

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Wed 10/22

10:55 am-11:20 am

2 stops19h 25m

Porto

Fri 11/7

12:30 pm-10:03 am

2 stops26h 33m

$587

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 10/21

7:55 pm-3:30 pm

2 stops14h 35m

Porto

Thu 11/6

11:20 am-10:52 pm

2 stops16h 32m

$597

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 10/26

3:56 pm-10:30 am

2 stops14h 34m

Porto

Tue 11/11

11:15 am-11:59 pm

2 stops17h 44m

$611

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 11/16

6:00 am-10:15 am

1 stop23h 15m

Lisbon Humberto Delgado

Tue 11/25

4:40 pm-8:48 am

1 stop21h 08m

$714

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Tue 11/4

12:30 pm-5:35 am

1 stop12h 05m

Lisbon Humberto Delgado

Tue 12/9

11:40 am-6:39 pm

1 stop11h 59m

$716

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 $604, 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 $715.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Monday is the cheapest day to fly to Portugal from Buffalo. The lowest ticket price found for a Monday departure recently was $869. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,209.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Buffalo to Portugal during this time can be as low as $916. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,163 per ticket.

Can stopping save me money on Buffalo to Portugal flights?

You could potentially save up to 39% 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

Direct flights	None

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 September 2025, 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 $565	Free Cancellation	Rating 7.4 8,939 reviews		Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom $699	Free Cancellation	Rating 7.1 1,972 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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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $358

Flights to Portofrom $355

Flights to Funchalfrom $414

Flights to Farofrom $403

Flights to Ponta Delgadafrom $434

Flights to Lajesfrom $426

Flights to Hortafrom $560

Flights to Pico Islandfrom $585

Flights to Porto Santofrom $703

Flights to Velasfrom $594

Cheap flights from Buffalo to Portugal from $395

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 2/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Buffalo to Portugal

Cheap round-trip flights

Cheap one-way flights

KLM flights from Buffalo to Portugal

Our best KLM deals on Buffalo to Portugal flight tickets

American Airlines flights from Buffalo to Portugal

Our best American Airlines deals on Buffalo to Portugal flight tickets

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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

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

What is the cheapest month to fly to Portugal?

What is the cheapest day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Buffalo to Portugal during this time can be as low as $916. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,163 per ticket.

Can stopping save me money on Buffalo to Portugal flights?

You could potentially save up to 39% on your flight if you consider stops on a Buffalo to Portugal flight.

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

TAP AIR PORTUGAL and Air Canada are the most popular carriers operating from Buffalo to Portugal

What airlines fly to Portugal?

Cheap Buffalo to Portugal flight deals and tips

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

Direct flights

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

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

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

What documentation or ID do you need to fly 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?

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

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

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

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

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