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Cheap flights from Buffalo to Porto from $491

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 1/22. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:44 pm - 10:30 amBUF-OPO
35h 46m2 stops
Delta Logo
6:30 am - 10:57 pmOPO-BUF
21h 27m2 stops
$491Delta
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Thu, Jan 22 - Mon, Jan 26
Delta Logo
11:51 am - 10:25 pmBUF-OPO
29h 34m2 stops
Delta Logo
11:15 am - 11:19 amOPO-BUF
29h 04m2 stops
$498Delta
Find Deal
Thu, Jan 22 - Mon, Jan 26
Delta Logo
6:00 am - 10:30 amBUF-OPO
23h 30m2 stops
Delta Logo
6:35 am - 9:54 amOPO-BUF
32h 19m2 stops
$592Delta
Find Deal
Wed, Jan 7 - Thu, Jan 29
Lufthansa Logo
2:54 pm - 2:45 pmBUF-OPO
18h 51m2 stops
Lufthansa Logo
12:35 pm - 9:02 pmOPO-BUF
13h 27m1 stop
$599Lufthansa
Find Deal
Tue, Feb 17 - Fri, Feb 27
Delta Logo
7:00 am - 10:25 amBUF-OPO
22h 25m2 stops
Delta Logo
6:30 am - 12:38 pmOPO-BUF
35h 08m2 stops
$643Delta
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Thu, Jan 8 - Fri, Jan 30
Delta Logo
6:00 am - 10:30 amBUF-OPO
23h 30m2 stops
Delta Logo
11:15 am - 2:58 pmOPO-BUF
32h 43m2 stops
$732Delta
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Tue, Jan 6 - Sat, Jan 31
Iberia Logo
12:32 pm - 4:00 pmBUF-OPO
22h 28m2 stops
Iberia Logo
8:40 pm - 11:48 pmOPO-BUF
32h 08m2 stops
$808Iberia
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Mon, Jan 5 - Fri, Jan 30
Delta Logo
12:01 pm - 10:30 amBUF-OPO
17h 29m2 stops
Delta Logo
11:20 am - 10:57 pmOPO-BUF
16h 37m2 stops
$863Delta
Find Deal
Sun, Jan 4 - Thu, Jan 29
Delta Logo
12:01 pm - 10:30 amBUF-OPO
17h 29m2 stops
Delta Logo
11:25 am - 10:57 pmOPO-BUF
16h 32m2 stops
$872Delta
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Fri, Jan 2 - Tue, Jan 27
TAP AIR PORTUGAL Logo
9:02 am - 10:00 pmBUF-OPO
31h 58m2 stops
TAP AIR PORTUGAL Logo
7:05 am - 6:47 pmOPO-BUF
40h 42m2 stops
$970TAP AIR PORTUGAL
Find Deal
Sun, Jan 4 - Sat, Jan 31

Delta flights from Buffalo to Porto

Our best Delta deals on Buffalo to Porto flight tickets
Delta
Jan 22
BUF5:44 pmBuffalo
35h 46m
2 stops
OPO10:30 amPorto
Jan 26
OPO6:30 amPorto
21h 27m
2 stops
BUF10:57 pmBuffalo
$491
Find similar
Delta
Jan 22
BUF11:51 amBuffalo
29h 34m
2 stops
OPO10:25 pmPorto
Jan 26
OPO11:15 amPorto
29h 04m
2 stops
BUF11:19 amBuffalo
$498
Find similar
Delta
Jan 7
BUF6:00 amBuffalo
23h 30m
2 stops
OPO10:30 amPorto
Jan 29
OPO6:35 amPorto
32h 19m
2 stops
BUF9:54 amBuffalo
$592
Find similar

TAP AIR PORTUGAL flights from Buffalo to Porto

Our best TAP AIR PORTUGAL deals on Buffalo to Porto flight tickets
TAP AIR PORTUGAL
Jan 4
BUF9:02 amBuffalo
31h 58m
2 stops
OPO10:00 pmPorto
Jan 31
OPO7:05 amPorto
40h 42m
2 stops
BUF6:47 pmBuffalo
$970
Find similar
TAP AIR PORTUGAL
Jan 2
BUF8:50 amBuffalo
21h 10m
2 stops
OPO11:00 amPorto
Jan 30
OPO9:00 amPorto
14h 47m
2 stops
BUF6:47 pmBuffalo
$1,099
Find similar
TAP AIR PORTUGAL
Jan 2
BUF8:50 amBuffalo
21h 10m
2 stops
OPO11:00 amPorto
Feb 1
OPO8:55 amPorto
14h 52m
2 stops
BUF6:47 pmBuffalo
$1,119
Find similar

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 November 24, 2025.
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

Thu 1/22

5:44 pm-10:30 am

2 stops35h 46m

Porto

Mon 1/26

6:30 am-10:57 pm

2 stops21h 27m

$491

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Thu 1/22

11:51 am-10:25 pm

2 stops29h 34m

Porto

Mon 1/26

11:15 am-11:19 am

2 stops29h 04m

$498

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Wed 1/7

6:00 am-10:30 am

2 stops23h 30m

Porto

Thu 1/29

6:35 am-9:54 am

2 stops32h 19m

$592

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 2/17

2:54 pm-2:45 pm

2 stops18h 51m

Porto

Fri 2/27

12:35 pm-9:02 pm

1 stop13h 27m

$599

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Thu 1/8

7:00 am-10:25 am

2 stops22h 25m

Porto

Fri 1/30

6:30 am-12:38 pm

2 stops35h 08m

$643

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 1/6

6:00 am-10:30 am

2 stops23h 30m

Porto

Sat 1/31

11:15 am-2:58 pm

2 stops32h 43m

$732

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 1/5

12:32 pm-4:00 pm

2 stops22h 28m

Porto

Fri 1/30

8:40 pm-11:48 pm

2 stops32h 08m

$808

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 1/4

12:01 pm-10:30 am

2 stops17h 29m

Porto

Thu 1/29

11:20 am-10:57 pm

2 stops16h 37m

$863

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Fri 1/2

12:01 pm-10:30 am

2 stops17h 29m

Porto

Tue 1/27

11:25 am-10:57 pm

2 stops16h 32m

$872

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 1/4

9:02 am-10:00 pm

2 stops31h 58m

Porto

Sat 1/31

7:05 am-6:47 pm

2 stops40h 42m

$970

Flights are sorted by cheapest round-trip flights first.

Sorted 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

What is the cheapest time of day to depart on your flight to Porto?

In the morning is the cheapest time of day to fly from Buffalo to Porto when you can find flight prices for as low as $742. Flying to Porto in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $994 on average. Flights to Porto from Buffalo in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
There are no direct flights from Buffalo to Porto. There are no popular flight routes from Buffalo to Porto.
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  • How far is Buffalo to Porto by plane?

    There are 3495.8 mi between Buffalo and Porto. Flights usually cover this in 16h 15m, 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
Aveiro
Matosinhos
Braga
Lamego
Guimarães
Esposende
Chaves
Espinho
Viseu
Ponte de Lima
Arcos de Valdevez
Pinhao
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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