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Cheap flights from Buffalo to Porto from $487

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Porto departing on 2/25. 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.
United Airlines Logo
6:25 pm - 9:30 am
BUF
-
OPO
10h 05m1 stop
United Airlines Logo
6:00 am - 8:51 pm
OPO
-
BUF
19h 51m2 stops
$487United Airlines
Wed, Feb 25 - Sun, Mar 1
Air France Logo
11:51 am - 10:25 am
BUF
-
OPO
17h 34m2 stops
Air France Logo
11:25 am - 10:57 pm
OPO
-
BUF
16h 32m2 stops
$489Air France
Thu, Feb 5 - Tue, Feb 17
Multiple Airlines Logo
11:51 am - 10:25 am
BUF
-
OPO
17h 34m2 stops
Multiple Airlines Logo
5:00 am - 10:57 pm
OPO
-
BUF
22h 57m2 stops
$490Multiple Airlines
Thu, Feb 5 - Tue, Feb 17
United Airlines Logo
7:00 am - 9:30 am
BUF
-
OPO
21h 30m2 stops
United Airlines Logo
6:00 am - 8:51 pm
OPO
-
BUF
19h 51m2 stops
$492United Airlines
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
2:54 pm - 12:05 pm
BUF
-
OPO
16h 11m2 stops
Multiple Airlines Logo
6:00 am - 7:06 pm
OPO
-
BUF
42h 06m2 stops
$496Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
2:54 pm - 12:05 pm
BUF
-
OPO
16h 11m2 stops
Multiple Airlines Logo
12:45 pm - 9:02 pm
OPO
-
BUF
13h 17m1 stop
$505Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
United Airlines Logo
10:00 am - 11:40 am
BUF
-
OPO
20h 40m2 stops
United Airlines Logo
6:00 am - 7:06 pm
OPO
-
BUF
18h 06m2 stops
$507United Airlines
Sat, Feb 21 - Sat, Feb 28
Lufthansa Logo
6:25 pm - 9:30 am
BUF
-
OPO
10h 05m1 stop
Lufthansa Logo
12:35 pm - 9:02 pm
OPO
-
BUF
13h 27m1 stop
$514Lufthansa
Sat, Feb 21 - Sat, Feb 28
United Airlines Logo
6:25 pm - 9:30 am
BUF
-
OPO
10h 05m1 stop
United Airlines Logo
12:35 pm - 9:02 pm
OPO
-
BUF
13h 27m1 stop
$582United Airlines
Wed, Feb 25 - Sun, Mar 1

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
19h 51m
2 stops
BUF8:51 pmBuffalo
$487
United Airlines
Feb 25
BUF7:00 amBuffalo
21h 30m
2 stops
OPO9:30 amPorto
Mar 1
OPO6:00 amPorto
19h 51m
2 stops
BUF8:51 pmBuffalo
$492
United Airlines
Feb 21
BUF10:00 amBuffalo
20h 40m
2 stops
OPO11:40 amPorto
Feb 28
OPO6:00 amPorto
18h 06m
2 stops
BUF7:06 pmBuffalo
$507

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 January 8, 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

Wed 2/25

6:25 pm-9:30 am

1 stop10h 05m

Porto

Sun 3/1

6:00 am-8:51 pm

2 stops19h 51m

$487

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Thu 2/5

11:51 am-10:25 am

2 stops17h 34m

Porto

Tue 2/17

11:25 am-10:57 pm

2 stops16h 32m

$489

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Thu 2/5

11:51 am-10:25 am

2 stops17h 34m

Porto

Tue 2/17

5:00 am-10:57 pm

2 stops22h 57m

$490

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Wed 2/25

7:00 am-9:30 am

2 stops21h 30m

Porto

Sun 3/1

6:00 am-8:51 pm

2 stops19h 51m

$492

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Fri 2/20

2:54 pm-12:05 pm

2 stops16h 11m

Porto

Fri 2/27

6:00 am-7:06 pm

2 stops42h 06m

$496

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Fri 2/20

2:54 pm-12:05 pm

2 stops16h 11m

Porto

Fri 2/27

12:45 pm-9:02 pm

1 stop13h 17m

$505

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sat 2/21

10:00 am-11:40 am

2 stops20h 40m

Porto

Sat 2/28

6:00 am-7:06 pm

2 stops18h 06m

$507

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sat 2/21

6:25 pm-9:30 am

1 stop10h 05m

Porto

Sat 2/28

12:35 pm-9:02 pm

1 stop13h 27m

$514

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Wed 2/25

6:25 pm-9:30 am

1 stop10h 05m

Porto

Sun 3/1

12:35 pm-9:02 pm

1 stop13h 27m

$582

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Porto from

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 1% 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
Chaves
Espinho
Viseu
Pinhao
Arcos de Valdevez
Ponte de Lima
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.

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