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Cheap flights from Buffalo to Porto from $513

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 6/7. 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.
Turkish Airlines Logo
7:55 pm - 11:30 pm
BUF
-
OPO
22h 35m
2 stops
Turkish Airlines Logo
6:10 am - 9:39 am
OPO
-
BUF
32h 29m
2 stops
$763Turkish Airlines
Thu, May 7 - Thu, May 14
United Airlines Logo
6:00 am - 9:45 am
BUF
-
OPO
22h 45m
1 stop
United Airlines Logo
12:35 pm - 4:54 pm
OPO
-
BUF
33h 19m
2 stops
$777United Airlines
Sun, Apr 26 - Tue, May 12
American Airlines Logo
3:01 pm - 11:45 am
BUF
-
OPO
15h 44m
2 stops
American Airlines Logo
8:20 am - 9:36 pm
OPO
-
BUF
18h 16m
2 stops
$781American 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
Iberia Logo
3:01 pm - 8:00 pm
BUF
-
OPO
23h 59m
2 stops
Iberia Logo
4:40 pm - 9:57 pm
OPO
-
BUF
34h 17m
2 stops
$849Iberia
Mon, May 11 - Thu, May 21
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
United Airlines Logo
6:55 pm - 9:45 am
BUF
-
OPO
9h 50m
1 stop
United Airlines Logo
6:00 am - 6:17 pm
OPO
-
BUF
17h 17m
2 stops
$877United Airlines
Sat, Apr 25 - Sat, May 2
Delta Logo
1:00 pm - 3:25 pm
BUF
-
OPO
21h 25m
2 stops
Delta Logo
5:00 am - 6:51 pm
OPO
-
BUF
18h 51m
2 stops
$916Delta
Fri, Apr 10 - Tue, Apr 14
Lufthansa Logo
11:02 am - 11:15 am
BUF
-
OPO
19h 13m
2 stops
Lufthansa Logo
12:35 pm - 10:31 pm
OPO
-
BUF
14h 56m
1 stop
$958Lufthansa
Mon, May 11 - Thu, May 21
Multiple Airlines Logo
7:56 pm - 3:25 pm
BUF
-
OPO
14h 29m
2 stops
Multiple Airlines Logo
5:00 am - 3:13 pm
OPO
-
BUF
15h 13m
2 stops
$961Multiple Airlines
Fri, Apr 10 - Tue, Apr 14

Delta flights from Buffalo to Porto

Our best Delta deals on Buffalo to Porto flight tickets
Delta
Apr 10
BUF1:00 pmBuffalo
21h 25m
2 stops
OPO3:25 pmPorto
Apr 14
OPO5:00 amPorto
18h 51m
2 stops
BUF6:51 pmBuffalo
$916
Delta
May 29
BUF7:00 amBuffalo
22h 30m
1 stop
OPO10:30 amPorto
Jun 3
OPO5:00 amPorto
15h 12m
2 stops
BUF3:12 pmBuffalo
$1,213
Delta
May 29
BUF7:55 pmBuffalo
14h 30m
2 stops
OPO3:25 pmPorto
Jun 3
OPO5:00 amPorto
18h 51m
2 stops
BUF6:51 pmBuffalo
$1,217

United Airlines flights from Buffalo to Porto

Our best United Airlines deals on Buffalo to Porto flight tickets
United Airlines
Apr 26
BUF6:00 amBuffalo
22h 45m
1 stop
OPO9:45 amPorto
May 12
OPO12:35 pmPorto
33h 19m
2 stops
BUF4:54 pmBuffalo
$777
United Airlines
Apr 25
BUF7:45 pmBuffalo
34h 30m
2 stops
OPO11:15 amPorto
May 2
OPO6:00 amPorto
39h 54m
2 stops
BUF4:54 pmBuffalo
$873
United Airlines
Apr 25
BUF6:55 pmBuffalo
9h 50m
1 stop
OPO9:45 amPorto
May 2
OPO6:00 amPorto
17h 17m
2 stops
BUF6:17 pmBuffalo
$877

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 March 27, 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

Thu 5/7

7:55 pm-11:30 pm

2 stops22h 35m

Porto

Thu 5/14

6:10 am-9:39 am

2 stops32h 29m

$763

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 4/26

6:00 am-9:45 am

1 stop22h 45m

Porto

Tue 5/12

12:35 pm-4:54 pm

2 stops33h 19m

$777

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 4/26

3:01 pm-11:45 am

2 stops15h 44m

Porto

Tue 5/12

8:20 am-9:36 pm

2 stops18h 16m

$781

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

Mon 5/11

3:01 pm-8:00 pm

2 stops23h 59m

Porto

Thu 5/21

4:40 pm-9:57 pm

2 stops34h 17m

$849

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
Quickest round-trip

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sat 4/25

6:55 pm-9:45 am

1 stop9h 50m

Porto

Sat 5/2

6:00 am-6:17 pm

2 stops17h 17m

$877

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Fri 4/10

1:00 pm-3:25 pm

2 stops21h 25m

Porto

Tue 4/14

5:00 am-6:51 pm

2 stops18h 51m

$916

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 5/11

11:02 am-11:15 am

2 stops19h 13m

Porto

Thu 5/21

12:35 pm-10:31 pm

1 stop14h 56m

$958

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Fri 4/10

7:56 pm-3:25 pm

2 stops14h 29m

Porto

Tue 4/14

5:00 am-3:13 pm

2 stops15h 13m

$961

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 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 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

14h 33m

Direct flights

None
The fastest flight from Buffalo to Porto takes 14h 33m
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 14h 33m, 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
Braga
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
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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