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Cheap flights from Buffalo to Porto from $450

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 10/1. 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
0 bags

Find the cheapest flights from Buffalo to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:02 pm - 4:00 pm
BUF
-
OPO
17h 58m
2 stops
Multiple Airlines Logo
8:40 pm - 9:36 pm
OPO
-
BUF
29h 56m
2 stops
$1,000Multiple Airlines
Mon, May 11 - Mon, May 18
TAP AIR PORTUGAL Logo
7:00 am - 10:55 am
BUF
-
OPO
22h 55m
1 stop
TAP AIR PORTUGAL Logo
10:00 am - 9:31 am
OPO
-
BUF
28h 31m
2 stops
$1,076TAP AIR PORTUGAL
Mon, May 11 - Mon, May 18
Delta Logo
7:55 pm - 10:00 pm
BUF
-
OPO
21h 05m
2 stops
Delta Logo
5:00 am - 3:12 pm
OPO
-
BUF
15h 12m
2 stops
$1,123Delta
Fri, May 8 - Tue, Jun 2
Delta Logo
4:55 pm - 3:25 pm
BUF
-
OPO
17h 30m
2 stops
Delta Logo
5:00 am - 6:44 pm
OPO
-
BUF
18h 44m
2 stops
$1,127Delta
Mon, May 11 - Thu, Jun 4
Delta Logo
3:53 pm - 3:30 pm
BUF
-
OPO
18h 37m
2 stops
Delta Logo
5:00 am - 3:12 pm
OPO
-
BUF
15h 12m
2 stops
$1,128Delta
Sat, May 9 - Wed, Jun 3
Delta Logo
7:55 pm - 10:00 pm
BUF
-
OPO
21h 05m
2 stops
Delta Logo
12:45 pm - 7:15 pm
OPO
-
BUF
11h 30m
1 stop
$1,130Delta
Fri, May 8 - Fri, May 29
Delta Logo
10:32 am - 10:40 am
BUF
-
OPO
19h 08m
2 stops
Delta Logo
5:00 am - 3:12 pm
OPO
-
BUF
15h 12m
2 stops
$1,131Delta
Sun, May 10 - Wed, Jun 3
Multiple Airlines Logo
7:00 am - 2:45 pm
BUF
-
OPO
26h 45m
2 stops
Multiple Airlines Logo
12:35 pm - 1:42 pm
OPO
-
BUF
30h 07m
2 stops
$1,144Multiple Airlines
Mon, May 11 - Mon, Jun 1
Turkish Airlines Logo
6:05 am - 9:40 am
BUF
-
OPO
22h 35m
2 stops
Turkish Airlines Logo
10:45 am - 7:12 pm
OPO
-
BUF
37h 27m
2 stops
$1,149Turkish Airlines
Sun, Jun 7 - Sun, Jun 14
Multiple Airlines Logo
7:00 am - 10:55 am
BUF
-
OPO
22h 55m
1 stop
Multiple Airlines Logo
5:50 pm - 1:32 pm
OPO
-
BUF
24h 42m
1 stop
$1,162Multiple Airlines
Mon, May 11 - Mon, May 18

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Turkish Airlines flights from Buffalo to Porto

Our best Turkish Airlines deals on Buffalo to Porto flight tickets
Turkish Airlines
Jun 7
BUF6:05 amBuffalo
22h 35m
2 stops
OPO9:40 amPorto
Jun 14
OPO10:45 amPorto
37h 27m
2 stops
BUF7:12 pmBuffalo
$1,149
Turkish Airlines
May 9
BUF2:28 pmBuffalo
28h 02m
2 stops
OPO11:30 pmPorto
Jun 1
OPO6:30 amPorto
22h 29m
2 stops
BUF11:59 pmBuffalo
$1,577
Turkish Airlines
May 10
BUF7:00 amBuffalo
27h 50m
2 stops
OPO3:50 pmPorto
May 30
OPO6:15 amPorto
22h 44m
2 stops
BUF11:59 pmBuffalo
$1,592

United Airlines flights from Buffalo to Porto

Our best United Airlines deals on Buffalo to Porto flight tickets
United Airlines
Jun 7
BUF7:00 pmBuffalo
9h 45m
1 stop
OPO9:45 amPorto
Jun 14
OPO6:00 amPorto
22h 59m
2 stops
BUF11:59 pmBuffalo
$1,227
United Airlines
Jun 4
BUF7:00 pmBuffalo
9h 45m
1 stop
OPO9:45 amPorto
Jun 8
OPO10:45 amPorto
28h 08m
2 stops
BUF9:53 amBuffalo
$1,283
United Airlines
Jul 20
BUF7:00 pmBuffalo
9h 45m
1 stop
OPO9:45 amPorto
Aug 1
OPO11:20 amPorto
41h 39m
2 stops
BUF11:59 pmBuffalo
$1,347

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 April 24, 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 5/11

5:02 pm-4:00 pm

2 stops17h 58m

Porto

Mon 5/18

8:40 pm-9:36 pm

2 stops29h 56m

$1,000

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 5/11

7:00 am-10:55 am

1 stop22h 55m

Porto

Mon 5/18

10:00 am-9:31 am

2 stops28h 31m

$1,076

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Fri 5/8

7:55 pm-10:00 pm

2 stops21h 05m

Porto

Tue 6/2

5:00 am-3:12 pm

2 stops15h 12m

$1,123

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 5/11

4:55 pm-3:25 pm

2 stops17h 30m

Porto

Thu 6/4

5:00 am-6:44 pm

2 stops18h 44m

$1,127

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sat 5/9

3:53 pm-3:30 pm

2 stops18h 37m

Porto

Wed 6/3

5:00 am-3:12 pm

2 stops15h 12m

$1,128
Quickest round-trip

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Fri 5/8

7:55 pm-10:00 pm

2 stops21h 05m

Porto

Fri 5/29

12:45 pm-7:15 pm

1 stop11h 30m

$1,130

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 5/10

10:32 am-10:40 am

2 stops19h 08m

Porto

Wed 6/3

5:00 am-3:12 pm

2 stops15h 12m

$1,131

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 5/11

7:00 am-2:45 pm

2 stops26h 45m

Porto

Mon 6/1

12:35 pm-1:42 pm

2 stops30h 07m

$1,144

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Sun 6/7

6:05 am-9:40 am

2 stops22h 35m

Porto

Sun 6/14

10:45 am-7:12 pm

2 stops37h 27m

$1,149

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 5/11

7:00 am-10:55 am

1 stop22h 55m

Porto

Mon 5/18

5:50 pm-1:32 pm

1 stop24h 42m

$1,162

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

13h 41m

Direct flights

None
The fastest flight from Buffalo to Porto takes 13h 41m
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 13h 41m, 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
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
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.

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