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Cheap flights from Buffalo to Porto from $356

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 11/13. 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

Find the cheapest flights from Buffalo to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:55 pm - 9:30 am
BUF
-
OPO
31h 35m
1 stop
United Airlines Logo
6:00 am - 8:36 pm
OPO
-
BUF
19h 36m
2 stops
$722United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
8:55 pm - 9:30 am
BUF
-
OPO
31h 35m
1 stop
United Airlines Logo
6:00 am - 8:36 pm
OPO
-
BUF
19h 36m
2 stops
$727United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
8:55 pm - 9:30 am
BUF
-
OPO
31h 35m
1 stop
United Airlines Logo
12:35 pm - 10:59 pm
OPO
-
BUF
15h 24m
1 stop
$731United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
5:58 pm - 9:30 am
BUF
-
OPO
34h 32m
2 stops
United Airlines Logo
6:00 am - 8:36 pm
OPO
-
BUF
19h 36m
2 stops
$732United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
8:55 pm - 9:30 am
BUF
-
OPO
31h 35m
1 stop
United Airlines Logo
12:35 pm - 10:59 pm
OPO
-
BUF
15h 24m
1 stop
$736United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
5:58 pm - 9:30 am
BUF
-
OPO
34h 32m
2 stops
United Airlines Logo
6:00 am - 8:36 pm
OPO
-
BUF
19h 36m
2 stops
$737United Airlines
Mon, Nov 2 - Fri, Nov 6
Iberia Logo
11:24 am - 11:45 am
BUF
-
OPO
19h 21m
2 stops
Iberia Logo
8:20 am - 9:40 pm
OPO
-
BUF
18h 20m
2 stops
$756Iberia
Tue, Nov 10 - Sun, Nov 15
United Airlines Logo
10:51 am - 9:30 am
BUF
-
OPO
17h 39m
1 stop
United Airlines Logo
6:00 am - 8:36 pm
OPO
-
BUF
19h 36m
2 stops
$771United Airlines
Tue, Nov 10 - Sun, Nov 15
Multiple Airlines Logo
10:46 am - 7:00 am
BUF
-
OPO
15h 14m
2 stops
Multiple Airlines Logo
4:10 pm - 12:44 am
OPO
-
BUF
36h 34m
2 stops
$824Multiple Airlines
Tue, Oct 20 - Sat, Oct 31
Iberia Logo
11:24 am - 11:45 am
BUF
-
OPO
19h 21m
2 stops
Iberia Logo
8:40 pm - 9:46 pm
OPO
-
BUF
30h 06m
2 stops
$831Iberia
Tue, Nov 24 - Sun, Nov 29

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Air Canada flights from Buffalo to Porto

Our best Air Canada deals on Buffalo to Porto flight tickets
Air Canada
Aug 31
BUF6:55 amBuffalo
19h 05m
3 stops
OPO7:00 amPorto
Sep 16
OPO11:20 amPorto
27h 08m
3 stops
BUF9:28 amBuffalo
$1,118
Air Canada
Sep 12
BUF7:00 amBuffalo
19h 00m
3 stops
OPO7:00 amPorto
Sep 19
OPO12:20 pmPorto
25h 58m
3 stops
BUF9:18 amBuffalo
$1,348
Air Canada
Aug 11
BUF6:54 amBuffalo
19h 06m
3 stops
OPO7:00 amPorto
Aug 18
OPO12:15 pmPorto
26h 13m
3 stops
BUF9:28 amBuffalo
$1,777

United Airlines flights from Buffalo to Porto

Our best United Airlines deals on Buffalo to Porto flight tickets
United Airlines
Nov 2
BUF8:55 pmBuffalo
31h 35m
1 stop
OPO9:30 amPorto
Nov 6
OPO6:00 amPorto
19h 36m
2 stops
BUF8:36 pmBuffalo
$722
United Airlines
Nov 2
BUF8:55 pmBuffalo
31h 35m
1 stop
OPO9:30 amPorto
Nov 6
OPO6:00 amPorto
19h 36m
2 stops
BUF8:36 pmBuffalo
$727
United Airlines
Nov 2
BUF8:55 pmBuffalo
31h 35m
1 stop
OPO9:30 amPorto
Nov 6
OPO12:35 pmPorto
15h 24m
1 stop
BUF10:59 pmBuffalo
$731

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 August 2, 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

Cheapest round-trip

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 11/2

8:55 pm-9:30 am

1 stop31h 35m

Porto

Fri 11/6

6:00 am-8:36 pm

2 stops19h 36m

$722

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 11/2

8:55 pm-9:30 am

1 stop31h 35m

Porto

Fri 11/6

6:00 am-8:36 pm

2 stops19h 36m

$727

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 11/2

8:55 pm-9:30 am

1 stop31h 35m

Porto

Fri 11/6

12:35 pm-10:59 pm

1 stop15h 24m

$731

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 11/2

5:58 pm-9:30 am

2 stops34h 32m

Porto

Fri 11/6

6:00 am-8:36 pm

2 stops19h 36m

$732

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 11/2

8:55 pm-9:30 am

1 stop31h 35m

Porto

Fri 11/6

12:35 pm-10:59 pm

1 stop15h 24m

$736

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 11/2

5:58 pm-9:30 am

2 stops34h 32m

Porto

Fri 11/6

6:00 am-8:36 pm

2 stops19h 36m

$737

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 11/10

11:24 am-11:45 am

2 stops19h 21m

Porto

Sun 11/15

8:20 am-9:40 pm

2 stops18h 20m

$756
Quickest round-trip

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 11/10

10:51 am-9:30 am

1 stop17h 39m

Porto

Sun 11/15

6:00 am-8:36 pm

2 stops19h 36m

$771

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 10/20

10:46 am-7:00 am

2 stops15h 14m

Porto

Sat 10/31

4:10 pm-12:44 am

2 stops36h 34m

$824

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 11/24

11:24 am-11:45 am

2 stops19h 21m

Porto

Sun 11/29

8:40 pm-9:46 pm

2 stops30h 06m

$831

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 7% 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

15h 14m

Direct flights

None
The fastest flight from Buffalo to Porto takes 15h 14m
There are no direct flights from Buffalo to Porto. There are no popular flight routes from Buffalo to Porto.
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Frequently asked questions about flying from Buffalo to Porto

  • How far is Buffalo to Porto by plane?

    There are 3495.8 mi between Buffalo and Porto. Flights usually cover this in 15h 14m, 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
Aveiro
Matosinhos
Pinhao
Esposende
Lamego
Chaves
Arcos de Valdevez
Guimarães
Viseu
Espinho
Ponte de Lima
Mesao Frio
Penafiel
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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