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

Delta, British Airways, and United Airlines are the most popular carriers operating from Buffalo to Portugal

What airlines fly to Portugal?

United Airlines, TAP AIR PORTUGAL and American Airlines 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 42% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 4 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 September 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.

$450 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:49 pm - 9:00 amBUF Buffalo-LIS Lisbon Humberto Delgado

32h 11m2 stops New York John F Kennedy Intl Boston Logan Intl

11:15 am - 11:58 pmLIS Lisbon Humberto Delgado-BUF Buffalo

41h 43m2 stops Boston Logan Intl Detroit Metropolitan Wayne County

$552Virgin Atlantic

Mon, Nov 2 - Tue, Nov 17

7:00 am - 9:00 amBUF Buffalo-LIS Lisbon Humberto Delgado

21h 00m2 stops New York John F Kennedy Intl Boston Logan Intl

10:00 am - 6:40 pmLIS Lisbon Humberto Delgado-BUF Buffalo

13h 40m1 stop New York John F Kennedy Intl

$558Virgin Atlantic

Mon, Nov 2 - Tue, Nov 17

11:05 am - 12:05 pmBUF Buffalo-LIS Lisbon Humberto Delgado

20h 00m2 stops New York LaGuardia London Heathrow

8:20 am - 9:35 pmLIS Lisbon Humberto Delgado-BUF Buffalo

18h 15m2 stops Madrid Barajas Boston Logan Intl

$560American Airlines

Tue, Nov 3 - Tue, Nov 10

7:01 pm - 9:05 amBUF Buffalo-LIS Lisbon Humberto Delgado

9h 04m1 stop Philadelphia

11:05 am - 3:01 pmLIS Lisbon Humberto Delgado-BUF Buffalo

32h 56m1 stop Philadelphia

$565American Airlines

Mon, Nov 2 - Tue, Nov 17

6:00 am - 9:30 amBUF Buffalo-OPO Porto

23h 30m1 stop Newark

6:00 am - 2:20 pmOPO Porto-BUF Buffalo

37h 20m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$706United Airlines

Sat, Oct 31 - Sat, Nov 7

6:00 am - 8:10 amBUF Buffalo-LIS Lisbon Humberto Delgado

22h 10m1 stop Newark

5:00 am - 8:09 pmLIS Lisbon Humberto Delgado-BUF Buffalo

20h 09m2 stops Frankfurt am Main Newark

$714United Airlines

Fri, Oct 30 - Fri, Nov 6

2:44 pm - 10:20 amBUF Buffalo-LIS Lisbon Humberto Delgado

14h 36m1 stop Washington, D.C. Dulles Intl

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

22h 37m2 stops Frankfurt am Main Newark

$719United Airlines

Sat, Feb 27 - Sat, Mar 13

7:00 am - 5:40 amBUF Buffalo-LIS Lisbon Humberto Delgado

17h 40m1 stop Boston Logan Intl

5:00 pm - 8:00 amLIS Lisbon Humberto Delgado-BUF Buffalo

20h 00m1 stop New York John F Kennedy Intl

$1,024TAP AIR PORTUGAL

Wed, Oct 14 - Tue, Oct 20

2:54 pm - 12:10 amBUF Buffalo-FNC Funchal Madeira

28h 16m2 stops Boston Logan Intl Lisbon Humberto Delgado

6:10 pm - 8:37 pmFNC Funchal Madeira-BUF Buffalo

30h 27m2 stops Lisbon Humberto Delgado Boston Logan Intl

$1,039TAP AIR PORTUGAL

Mon, Oct 19 - Wed, Oct 28

7:00 am - 5:40 amBUF Buffalo-LIS Lisbon Humberto Delgado

17h 40m1 stop Boston Logan Intl

5:40 pm - 7:59 pmLIS Lisbon Humberto Delgado-BUF Buffalo

31h 19m1 stop Boston Logan Intl

$1,053TAP AIR PORTUGAL

Wed, Oct 14 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

6:59 pm - 6:45 pmBUF Buffalo-LIS Lisbon Humberto Delgado

18h 46m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

9:50 am - 11:53 pmLIS Lisbon Humberto Delgado-BUF Buffalo

19h 03m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$1,031Delta

Wed, Sep 23 - Sun, Sep 27

7:59 pm - 10:30 amBUF Buffalo-LIS Lisbon Humberto Delgado

9h 31m1 stop Washington, D.C. Dulles Intl

12:20 pm - 9:35 amLIS Lisbon Humberto Delgado-BUF Buffalo

26h 15m1 stop Washington, D.C. Dulles Intl

$1,091United Airlines

Wed, Sep 23 - Sun, Sep 27

10:30 am - 8:20 amBUF Buffalo-LIS Lisbon Humberto Delgado

16h 50m2 stops Chicago O'Hare Intl Newark

12:20 pm - 9:35 amLIS Lisbon Humberto Delgado-BUF Buffalo

26h 15m1 stop Washington, D.C. Dulles Intl

$1,095United Airlines

Wed, Sep 23 - Sun, Sep 27

7:00 am - 8:20 amBUF Buffalo-LIS Lisbon Humberto Delgado

20h 20m2 stops Chicago O'Hare Intl Newark

1:00 pm - 8:47 pmLIS Lisbon Humberto Delgado-BUF Buffalo

36h 47m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$1,104United Airlines

Wed, Sep 23 - Sun, Sep 27

10:33 am - 10:30 amBUF Buffalo-LIS Lisbon Humberto Delgado

18h 57m1 stop Washington, D.C. Dulles Intl

6:45 am - 11:50 pmLIS Lisbon Humberto Delgado-BUF Buffalo

22h 05m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,146United Airlines

Wed, Sep 23 - Sun, Sep 27

10:30 am - 11:25 pmBUF Buffalo-LIS Lisbon Humberto Delgado

31h 55m2 stops Chicago O'Hare Intl Zurich

5:55 am - 8:47 pmLIS Lisbon Humberto Delgado-BUF Buffalo

43h 52m2 stops Zurich Chicago O'Hare Intl

$1,177SWISS

Wed, Sep 23 - Sun, Sep 27

10:33 am - 10:30 amBUF Buffalo-LIS Lisbon Humberto Delgado

18h 57m1 stop Washington, D.C. Dulles Intl

1:00 pm - 7:12 pmLIS Lisbon Humberto Delgado-BUF Buffalo

35h 12m2 stops Toronto Pearson Intl Newark

$1,202United Airlines

Wed, Sep 23 - Sun, Sep 27

10:30 am - 2:45 pmBUF Buffalo-LIS Lisbon Humberto Delgado

23h 15m2 stops Chicago O'Hare Intl Zurich

5:55 am - 8:47 pmLIS Lisbon Humberto Delgado-BUF Buffalo

43h 52m2 stops Zurich Chicago O'Hare Intl

$1,222SWISS

Wed, Sep 23 - Sun, Sep 27

10:30 am - 11:50 amBUF Buffalo-LIS Lisbon Humberto Delgado

20h 20m2 stops Boston Logan Intl Madrid Barajas

6:35 am - 8:56 pmLIS Lisbon Humberto Delgado-BUF Buffalo

19h 21m2 stops Madrid Barajas Boston Logan Intl

$1,263Multiple Airlines

Wed, Sep 23 - Sun, Sep 27

10:33 am - 10:30 amBUF Buffalo-LIS Lisbon Humberto Delgado

18h 57m1 stop Washington, D.C. Dulles Intl

10:25 am - 11:11 pmLIS Lisbon Humberto Delgado-BUF Buffalo

17h 46m1 stop Newark

$1,268United Airlines

Wed, Sep 23 - Sun, Sep 27

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Virgin Atlantic flights from Buffalo to Portugal

Our best Virgin Atlantic deals on Buffalo to Portugal flight tickets

Virgin Atlantic

Nov 2

BUF7:49 pmBuffalo

32h 11m

2 stops

LIS9:00 amLisbon Humberto Delgado

Nov 17

LIS11:15 amLisbon Humberto Delgado

41h 43m

2 stops

BUF11:58 pmBuffalo

$552

Virgin Atlantic

Nov 2

BUF7:00 amBuffalo

21h 00m

2 stops

LIS9:00 amLisbon Humberto Delgado

Nov 17

LIS10:00 amLisbon Humberto Delgado

13h 40m

1 stop

BUF6:40 pmBuffalo

$558

Virgin Atlantic

Jan 22

BUF4:00 pmBuffalo

11h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Jan 25

LIS10:00 amLisbon Humberto Delgado

18h 50m

1 stop

BUF11:50 pmBuffalo

$676

American Airlines flights from Buffalo to Portugal

Our best American Airlines deals on Buffalo to Portugal flight tickets

American Airlines

Nov 3

BUF11:05 amBuffalo

20h 00m

2 stops

LIS12:05 pmLisbon Humberto Delgado

Nov 10

LIS8:20 amLisbon Humberto Delgado

18h 15m

2 stops

BUF9:35 pmBuffalo

$560

American Airlines

Nov 2

BUF7:01 pmBuffalo

9h 04m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 17

LIS11:05 amLisbon Humberto Delgado

32h 56m

1 stop

BUF3:01 pmBuffalo

$565

American Airlines

Oct 26

BUF5:17 pmBuffalo

11h 48m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 4

LIS8:20 amLisbon Humberto Delgado

18h 15m

2 stops

BUF9:35 pmBuffalo

$570

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 11/2

7:49 pm-9:00 am

2 stops32h 11m

Lisbon Humberto Delgado

Tue 11/17

11:15 am-11:58 pm

2 stops41h 43m

$552

Quickest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 11/2

7:00 am-9:00 am

2 stops21h 00m

Lisbon Humberto Delgado

Tue 11/17

10:00 am-6:40 pm

1 stop13h 40m

$558

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 11/3

11:05 am-12:05 pm

2 stops20h 00m

Lisbon Humberto Delgado

Tue 11/10

8:20 am-9:35 pm

2 stops18h 15m

$560

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 11/2

7:01 pm-9:05 am

1 stop9h 04m

Lisbon Humberto Delgado

Tue 11/17

11:05 am-3:01 pm

1 stop32h 56m

$565

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Sat 10/31

6:00 am-9:30 am

1 stop23h 30m

Porto

Sat 11/7

6:00 am-2:20 pm

2 stops37h 20m

$706

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 10/30

6:00 am-8:10 am

1 stop22h 10m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-8:09 pm

2 stops20h 09m

$714

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sat 2/27

2:44 pm-10:20 am

1 stop14h 36m

Lisbon Humberto Delgado

Sat 3/13

5:00 am-10:37 pm

2 stops22h 37m

$719

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 10/14

7:00 am-5:40 am

1 stop17h 40m

Lisbon Humberto Delgado

Tue 10/20

5:00 pm-8:00 am

1 stop20h 00m

$1,024

BuffaloFunchal

BUF Buffalo - FNC Funchal Madeira

BUFFNC

Buffalo

Mon 10/19

2:54 pm-12:10 am

2 stops28h 16m

Funchal Madeira

Wed 10/28

6:10 pm-8:37 pm

2 stops30h 27m

$1,039

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 10/14

7:00 am-5:40 am

1 stop17h 40m

Lisbon Humberto Delgado

Tue 10/20

5:40 pm-7:59 pm

1 stop31h 19m

$1,053

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 April instead. Flights to Portugal in April, while not as cheap as those in June, still average around $724.

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	$450
Fastest flight time	9h 01m
Direct flights	None

The best one-way flight to Portugal from Buffalo in the past 72 hours is $450. The best round-trip flight deal from Buffalo to Portugal found on momondo in the last 72 hours is $552.

The fastest flight from Buffalo to Portugal takes 9h 01m

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 September 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 $724	Free Cancellation	Rating 7.4 10,227 reviews		Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom $878	Free Cancellation	Rating 7.2 2,377 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

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $309

Flights to Portofrom $458

Flights to Funchalfrom $591

Flights to Farofrom $526

Flights to Ponta Delgadafrom $562

Flights to Lajesfrom $559

Flights to Hortafrom $629

Flights to Pico Islandfrom $592

Flights to Porto Santofrom $1,005

Flights to Velasfrom $593

Cheap flights from Buffalo to Portugal from $450

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 10/30. 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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Virgin Atlantic flights from Buffalo to Portugal

Our best Virgin Atlantic 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

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