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Cheap flights from Buffalo to Portugal from $491

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 4/26. 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
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.
Scandinavian Airlines Logo
2:34 pm - 3:50 pm
BUF
-
LIS
20h 16m
2 stops
Scandinavian Airlines Logo
7:00 am - 7:19 pm
LIS
-
BUF
17h 19m
2 stops
$722Scandinavian Airlines
Mon, Apr 20 - Thu, Apr 30
Delta Logo
7:36 pm - 6:45 pm
BUF
-
LIS
18h 09m
2 stops
Delta Logo
5:00 am - 7:19 pm
LIS
-
BUF
19h 19m
2 stops
$725Delta
Thu, Apr 23 - Thu, Apr 30
Delta Logo
7:36 pm - 6:45 pm
BUF
-
LIS
18h 09m
2 stops
Delta Logo
10:00 am - 12:50 am
LIS
-
BUF
19h 50m
1 stop
$736Delta
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
10:44 am - 9:05 am
BUF
-
LIS
17h 21m
1 stop
Multiple Airlines Logo
7:10 am - 10:04 pm
LIS
-
BUF
19h 54m
2 stops
$748Multiple Airlines
Sun, Apr 12 - Tue, Apr 28
KLM Logo
7:00 am - 8:00 am
BUF
-
LIS
20h 00m
1 stop
KLM Logo
11:55 am - 12:50 am
LIS
-
BUF
17h 55m
2 stops
$759KLM
Mon, Apr 20 - Thu, Apr 30
United Airlines Logo
6:00 am - 9:45 am
BUF
-
OPO
22h 45m
1 stop
United Airlines Logo
12:35 pm - 9:50 am
OPO
-
BUF
26h 15m
1 stop
$777United Airlines
Sun, Apr 26 - Tue, May 12
Multiple Airlines Logo
2:28 pm - 9:40 am
BUF
-
OPO
38h 12m
2 stops
Multiple Airlines Logo
6:15 am - 9:24 am
OPO
-
BUF
32h 09m
2 stops
$827Multiple Airlines
Sat, May 9 - Sat, May 16
United Airlines Logo
7:45 pm - 11:15 am
BUF
-
OPO
34h 30m
2 stops
United Airlines Logo
6:00 am - 4:54 pm
OPO
-
BUF
39h 54m
2 stops
$873United Airlines
Sat, Apr 25 - Sat, May 2
TAP AIR PORTUGAL Logo
7:45 am - 10:55 am
BUF
-
OPO
22h 10m
1 stop
TAP AIR PORTUGAL Logo
9:00 am - 11:59 pm
OPO
-
BUF
19h 59m
2 stops
$1,030TAP AIR PORTUGAL
Mon, May 25 - Tue, Jun 9
TAP AIR PORTUGAL Logo
2:28 pm - 10:55 am
BUF
-
OPO
15h 27m
1 stop
TAP AIR PORTUGAL Logo
5:40 pm - 9:24 am
OPO
-
BUF
20h 44m
1 stop
$1,046TAP AIR PORTUGAL
Sat, May 9 - Sat, May 16

Scandinavian Airlines flights from Buffalo to Portugal

Our best Scandinavian Airlines deals on Buffalo to Portugal flight tickets
Scandinavian Airlines
Apr 20
BUF2:34 pmBuffalo
20h 16m
2 stops
LIS3:50 pmLisbon Humberto Delgado
Apr 30
LIS7:00 amLisbon Humberto Delgado
17h 19m
2 stops
BUF7:19 pmBuffalo
$722
Scandinavian Airlines
Apr 20
BUF11:52 amBuffalo
22h 58m
3 stops
LIS3:50 pmLisbon Humberto Delgado
Apr 30
LIS7:00 amLisbon Humberto Delgado
17h 19m
2 stops
BUF7:19 pmBuffalo
$756
Scandinavian Airlines
May 10
BUF7:00 amBuffalo
28h 00m
2 stops
LIS4:00 pmLisbon Humberto Delgado
May 16
LIS7:00 amLisbon Humberto Delgado
22h 15m
2 stops
BUF12:15 amBuffalo
$1,042

KLM flights from Buffalo to Portugal

Our best KLM deals on Buffalo to Portugal flight tickets
KLM
Apr 20
BUF7:00 amBuffalo
20h 00m
1 stop
LIS8:00 amLisbon Humberto Delgado
Apr 30
LIS11:55 amLisbon Humberto Delgado
17h 55m
2 stops
BUF12:50 amBuffalo
$759
KLM
Apr 20
BUF7:00 amBuffalo
20h 00m
1 stop
LIS8:00 amLisbon Humberto Delgado
Apr 30
LIS10:00 amLisbon Humberto Delgado
19h 50m
1 stop
BUF12:50 amBuffalo
$770
KLM
Apr 23
BUF7:00 amBuffalo
20h 00m
1 stop
LIS8:00 amLisbon Humberto Delgado
Apr 30
LIS10:00 amLisbon Humberto Delgado
19h 50m
1 stop
BUF12:50 amBuffalo
$827

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 March 28, 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

Mon 4/20

2:34 pm-3:50 pm

2 stops20h 16m

Lisbon Humberto Delgado

Thu 4/30

7:00 am-7:19 pm

2 stops17h 19m

$722

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 4/23

7:36 pm-6:45 pm

2 stops18h 09m

Lisbon Humberto Delgado

Thu 4/30

5:00 am-7:19 pm

2 stops19h 19m

$725

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Thu 4/23

7:36 pm-6:45 pm

2 stops18h 09m

Lisbon Humberto Delgado

Thu 4/30

10:00 am-12:50 am

1 stop19h 50m

$736

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Sun 4/12

10:44 am-9:05 am

1 stop17h 21m

Lisbon Humberto Delgado

Tue 4/28

7:10 am-10:04 pm

2 stops19h 54m

$748

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 4/20

7:00 am-8:00 am

1 stop20h 00m

Lisbon Humberto Delgado

Thu 4/30

11:55 am-12:50 am

2 stops17h 55m

$759

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 4/26

6:00 am-9:45 am

1 stop22h 45m

Porto

Tue 5/12

12:35 pm-9:50 am

1 stop26h 15m

$777

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sat 5/9

2:28 pm-9:40 am

2 stops38h 12m

Porto

Sat 5/16

6:15 am-9:24 am

2 stops32h 09m

$827

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sat 4/25

7:45 pm-11:15 am

2 stops34h 30m

Porto

Sat 5/2

6:00 am-4:54 pm

2 stops39h 54m

$873

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 5/25

7:45 am-10:55 am

1 stop22h 10m

Porto

Tue 6/9

9:00 am-11:59 pm

2 stops19h 59m

$1,030
Quickest round-trip

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sat 5/9

2:28 pm-10:55 am

1 stop15h 27m

Porto

Sat 5/16

5:40 pm-9:24 am

1 stop20h 44m

$1,046

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 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 April instead. Flights to Portugal in April, while not as cheap as those in February, still average around $642.

Can stopping save me money on Buffalo to Portugal flights?

You could potentially save up to 35% 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

14h 33m

Direct flights

None
The fastest flight from Buffalo to Portugal takes 14h 33m
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?

  • 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
9,501 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $699Free CancellationRating
7.1
2,182 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

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