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Cheap flights from Buffalo to Porto from $467

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 Porto departing on 5/29. 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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Find the cheapest flights from Buffalo to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
12:05 pm - 10:30 am
BUF
-
OPO
17h 25m
2 stops
KLM Logo
5:00 am - 11:46 pm
OPO
-
BUF
22h 46m
2 stops
$480KLM
on., mar. 4 - on., mar. 11
United Airlines Logo
6:25 pm - 9:30 am
BUF
-
OPO
10h 05m
1 stop
United Airlines Logo
6:00 am - 5:51 pm
OPO
-
BUF
16h 51m
2 stops
$487United Airlines
on., feb. 25 - sø., mar. 1
United Airlines Logo
6:07 am - 9:30 am
BUF
-
OPO
22h 23m
2 stops
United Airlines Logo
6:00 am - 5:51 pm
OPO
-
BUF
16h 51m
2 stops
$491United Airlines
on., feb. 25 - sø., mar. 1
Lufthansa Logo
7:30 pm - 11:40 am
BUF
-
OPO
36h 10m
2 stops
Lufthansa Logo
6:00 am - 11:50 pm
OPO
-
BUF
22h 50m
2 stops
$493Lufthansa
fr., mar. 20 - ti., mar. 31
United Airlines Logo
6:25 pm - 9:30 am
BUF
-
OPO
10h 05m
1 stop
United Airlines Logo
12:35 pm - 11:44 pm
OPO
-
BUF
16h 09m
2 stops
$500United Airlines
on., feb. 25 - sø., mar. 1
Multiple Airlines Logo
6:07 am - 12:05 pm
BUF
-
OPO
24h 58m
2 stops
Multiple Airlines Logo
12:35 pm - 11:56 pm
OPO
-
BUF
15h 21m
1 stop
$506Multiple Airlines
on., mar. 4 - on., mar. 11
United Airlines Logo
8:30 am - 2:45 pm
BUF
-
OPO
25h 15m
2 stops
United Airlines Logo
6:00 am - 8:51 pm
OPO
-
BUF
19h 51m
2 stops
$556United Airlines
to., feb. 5 - ti., feb. 17
United Airlines Logo
8:30 am - 2:45 pm
BUF
-
OPO
25h 15m
2 stops
United Airlines Logo
6:00 am - 9:02 pm
OPO
-
BUF
20h 02m
2 stops
$606United Airlines
to., feb. 5 - ti., feb. 17
Lufthansa Logo
2:49 pm - 12:50 pm
BUF
-
OPO
17h 01m
2 stops
Lufthansa Logo
12:35 pm - 11:56 pm
OPO
-
BUF
15h 21m
1 stop
$703Lufthansa
to., mar. 5 - to., mar. 12
United Airlines Logo
6:25 pm - 9:30 am
BUF
-
OPO
10h 05m
1 stop
United Airlines Logo
12:35 pm - 9:02 pm
OPO
-
BUF
13h 27m
1 stop
$776United Airlines
on., feb. 25 - sø., mar. 1

Lufthansa flights from Buffalo to Porto

Our best Lufthansa deals on Buffalo to Porto flight tickets
Lufthansa
Mar 20
BUF7:30 pmBuffalo
36h 10m
2 stops
OPO11:40 amPorto
Mar 31
OPO6:00 amPorto
22h 50m
2 stops
BUF11:50 pmBuffalo
$493
Lufthansa
Mar 5
BUF2:49 pmBuffalo
17h 01m
2 stops
OPO12:50 pmPorto
Mar 12
OPO12:35 pmPorto
15h 21m
1 stop
BUF11:56 pmBuffalo
$703
Lufthansa
Mar 4
BUF6:25 pmBuffalo
10h 05m
1 stop
OPO9:30 amPorto
Mar 11
OPO12:35 pmPorto
15h 21m
1 stop
BUF11:56 pmBuffalo
$854

United Airlines flights from Buffalo to Porto

Our best United Airlines deals on Buffalo to Porto flight tickets
United Airlines
Feb 25
BUF6:25 pmBuffalo
10h 05m
1 stop
OPO9:30 amPorto
Mar 1
OPO6:00 amPorto
16h 51m
2 stops
BUF5:51 pmBuffalo
$487
United Airlines
Feb 25
BUF6:07 amBuffalo
22h 23m
2 stops
OPO9:30 amPorto
Mar 1
OPO6:00 amPorto
16h 51m
2 stops
BUF5:51 pmBuffalo
$491
United Airlines
Feb 25
BUF6:25 pmBuffalo
10h 05m
1 stop
OPO9:30 amPorto
Mar 1
OPO12:35 pmPorto
16h 09m
2 stops
BUF11:44 pmBuffalo
$500

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Porto 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 Januar 19, 2026.
Use the filters below to find and compare flights from Buffalo to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

on. 3/4

12:05 pm-10:30 am

2 stops17h 25m

Porto

on. 3/11

5:00 am-11:46 pm

2 stops22h 46m

$480

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

on. 2/25

6:25 pm-9:30 am

1 stop10h 05m

Porto

sø. 3/1

6:00 am-5:51 pm

2 stops16h 51m

$487

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

on. 2/25

6:07 am-9:30 am

2 stops22h 23m

Porto

sø. 3/1

6:00 am-5:51 pm

2 stops16h 51m

$491

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

fr. 3/20

7:30 pm-11:40 am

2 stops36h 10m

Porto

ti. 3/31

6:00 am-11:50 pm

2 stops22h 50m

$493

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

on. 2/25

6:25 pm-9:30 am

1 stop10h 05m

Porto

sø. 3/1

12:35 pm-11:44 pm

2 stops16h 09m

$500

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

on. 3/4

6:07 am-12:05 pm

2 stops24h 58m

Porto

on. 3/11

12:35 pm-11:56 pm

1 stop15h 21m

$506

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

to. 2/5

8:30 am-2:45 pm

2 stops25h 15m

Porto

ti. 2/17

6:00 am-8:51 pm

2 stops19h 51m

$556

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

to. 2/5

8:30 am-2:45 pm

2 stops25h 15m

Porto

ti. 2/17

6:00 am-9:02 pm

2 stops20h 02m

$606

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

to. 3/5

2:49 pm-12:50 pm

2 stops17h 01m

Porto

to. 3/12

12:35 pm-11:56 pm

1 stop15h 21m

$703

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

on. 2/25

6:25 pm-9:30 am

1 stop10h 05m

Porto

sø. 3/1

12:35 pm-9:02 pm

1 stop13h 27m

$776

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Buffalo to Porto

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

Can stopping save me money on Buffalo to Porto flights?

You could potentially save up to 12% on your flight if you consider stops on a Buffalo to Porto flight.

When to book flights from Buffalo to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Porto (BUF to OPO) flight deals and tips

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

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from Buffalo to Porto takes 10h 05m
There are no direct flights from Buffalo to Porto. There are no popular flight routes from Buffalo to Porto.
Search flight deals

  • How far is Buffalo to Porto by plane?

    There are 3495.8 mi between Buffalo and Porto. Flights usually cover this in 10h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Buffalo Airport to Porto Airport are updated daily.

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

    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 Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Matosinhos
Aveiro
Esposende
Lamego
Guimarães
Espinho
Chaves
Pinhao
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

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 Porto from Buffalo.

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

Yes. momondo enables you to select and highlight flights to Porto from Buffalo with this policy.

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

Once you have performed a search for Buffalo to Porto 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 Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto 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 Porto trip

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on. 2/18
on. 2/25
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