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Cheap flights from Buffalo to Portugal from $339

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 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Buffalo to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 8:10 am
BUF
-
LIS
21h 10m
1 stop
United Airlines Logo
1:00 pm - 10:26 am
LIS
-
BUF
50h 26m
3 stops
$776United Airlines
Sun, Nov 15 - Wed, Nov 18
United Airlines Logo
11:40 am - 8:10 am
BUF
-
LIS
15h 30m
1 stop
United Airlines Logo
5:00 am - 6:26 pm
LIS
-
BUF
18h 26m
2 stops
$778United Airlines
Sun, Nov 15 - Wed, Nov 18
Delta Logo
7:15 pm - 5:50 pm
BUF
-
LIS
17h 35m
2 stops
Delta Logo
5:00 am - 6:54 pm
LIS
-
BUF
18h 54m
2 stops
$787Delta
Mon, Oct 12 - Thu, Oct 22
Delta Logo
7:15 pm - 5:50 pm
BUF
-
LIS
17h 35m
2 stops
Delta Logo
11:55 am - 11:50 pm
LIS
-
BUF
16h 55m
2 stops
$788Delta
Mon, Oct 12 - Thu, Oct 22
United Airlines Logo
10:20 am - 10:15 am
BUF
-
LIS
18h 55m
1 stop
United Airlines Logo
10:15 am - 5:59 pm
LIS
-
BUF
12h 44m
1 stop
$790United Airlines
Sun, Nov 15 - Wed, Nov 18
British Airways Logo
3:29 pm - 12:05 pm
BUF
-
LIS
15h 36m
2 stops
British Airways Logo
12:55 pm - 11:36 pm
LIS
-
BUF
39h 41m
2 stops
$821British Airways
Fri, Nov 6 - Mon, Nov 9
KLM Logo
9:55 am - 8:00 am
BUF
-
LIS
17h 05m
1 stop
KLM Logo
11:30 am - 11:50 pm
LIS
-
BUF
17h 20m
2 stops
$827KLM
Fri, Nov 6 - Mon, Nov 9
KLM Logo
3:57 pm - 10:25 am
BUF
-
OPO
13h 28m
1 stop
KLM Logo
11:30 am - 12:46 am
OPO
-
BUF
18h 16m
2 stops
$919KLM
Sun, Jul 12 - Tue, Jul 28
TAP AIR PORTUGAL Logo
12:10 pm - 9:05 pm
BUF
-
FNC
27h 55m
2 stops
TAP AIR PORTUGAL Logo
9:55 pm - 8:24 pm
FNC
-
BUF
27h 29m
2 stops
$1,008TAP AIR PORTUGAL
Fri, Sep 11 - Tue, Sep 22
TAP AIR PORTUGAL Logo
9:15 am - 7:45 am
BUF
-
FNC
41h 30m
2 stops
TAP AIR PORTUGAL Logo
9:55 pm - 12:13 am
FNC
-
BUF
31h 18m
2 stops
$1,110TAP AIR PORTUGAL
Sun, Jul 19 - Sun, Jul 26

TAP AIR PORTUGAL flights from Buffalo to Portugal

Our best TAP AIR PORTUGAL deals on Buffalo to Portugal flight tickets
TAP AIR PORTUGAL
Oct 14
BUF3:10 pmBuffalo
14h 10m
1 stop
LIS10:20 amLisbon Humberto Delgado
Oct 20
LIS5:00 pmLisbon Humberto Delgado
20h 24m
1 stop
BUF8:24 amBuffalo
$956
TAP AIR PORTUGAL
Sep 23
BUF2:30 pmBuffalo
14h 50m
1 stop
LIS10:20 amLisbon Humberto Delgado
Sep 27
LIS5:05 pmLisbon Humberto Delgado
20h 19m
1 stop
BUF8:24 amBuffalo
$975
TAP AIR PORTUGAL
Sep 23
BUF9:15 amBuffalo
20h 05m
1 stop
LIS10:20 amLisbon Humberto Delgado
Sep 27
LIS5:05 pmLisbon Humberto Delgado
20h 19m
1 stop
BUF8:24 amBuffalo
$982

Delta flights from Buffalo to Portugal

Our best Delta deals on Buffalo to Portugal flight tickets
Delta
Oct 12
BUF7:15 pmBuffalo
17h 35m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Oct 22
LIS5:00 amLisbon Humberto Delgado
18h 54m
2 stops
BUF6:54 pmBuffalo
$787
Delta
Oct 12
BUF7:15 pmBuffalo
17h 35m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Oct 22
LIS11:55 amLisbon Humberto Delgado
16h 55m
2 stops
BUF11:50 pmBuffalo
$788
Delta
Oct 12
BUF7:15 pmBuffalo
17h 35m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Oct 22
LIS10:00 amLisbon Humberto Delgado
18h 50m
1 stop
BUF11:50 pmBuffalo
$798

momondo 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, momondo users made 832,500 searches. Data last updated June 7, 2026.
Use the filters below to find and compare flights from Buffalo to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 11/15

6:00 am-8:10 am

1 stop21h 10m

Lisbon Humberto Delgado

Wed 11/18

1:00 pm-10:26 am

3 stops50h 26m

$776

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 11/15

11:40 am-8:10 am

1 stop15h 30m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-6:26 pm

2 stops18h 26m

$778

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/12

7:15 pm-5:50 pm

2 stops17h 35m

Lisbon Humberto Delgado

Thu 10/22

5:00 am-6:54 pm

2 stops18h 54m

$787

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/12

7:15 pm-5:50 pm

2 stops17h 35m

Lisbon Humberto Delgado

Thu 10/22

11:55 am-11:50 pm

2 stops16h 55m

$788
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 11/15

10:20 am-10:15 am

1 stop18h 55m

Lisbon Humberto Delgado

Wed 11/18

10:15 am-5:59 pm

1 stop12h 44m

$790

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 11/6

3:29 pm-12:05 pm

2 stops15h 36m

Lisbon Humberto Delgado

Mon 11/9

12:55 pm-11:36 pm

2 stops39h 41m

$821

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Fri 11/6

9:55 am-8:00 am

1 stop17h 05m

Lisbon Humberto Delgado

Mon 11/9

11:30 am-11:50 pm

2 stops17h 20m

$827

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 7/12

3:57 pm-10:25 am

1 stop13h 28m

Porto

Tue 7/28

11:30 am-12:46 am

2 stops18h 16m

$919

BuffaloFunchal

BUF - FNC

BUFFNC

Buffalo

Fri 9/11

12:10 pm-9:05 pm

2 stops27h 55m

Funchal Madeira

Tue 9/22

9:55 pm-8:24 pm

2 stops27h 29m

$1,008

BuffaloFunchal

BUF - FNC

BUFFNC

Buffalo

Sun 7/19

9:15 am-7:45 am

2 stops41h 30m

Funchal Madeira

Sun 7/26

9:55 pm-12:13 am

2 stops31h 18m

$1,110

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The cheapest month to fly to Portugal from Buffalo is in April. Flight prices, which tend to average around $555, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Portugal from Buffalo during March instead. Flights to Portugal in March, while not as cheap as those in April, still average around $555.

Can stopping save me money on Buffalo to Portugal flights?

You could potentially save up to 20% 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

11h 10m

Direct flights

None
The fastest flight from Buffalo to Portugal takes 11h 10m
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?

  • 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 AirlinesPriceFrom $628Free CancellationRating
7.4
9,779 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $699Free CancellationRating
7.2
2,272 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

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Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
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Flights to Hortafrom $733
Flights to Porto Santofrom $694
Flights to Velasfrom $770