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Cheap flights from Pittsburgh to Porto from $299

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Porto departing on 1/10. 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

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Find the cheapest flights from Pittsburgh to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
2:07 pm - 10:30 am
PIT
-
OPO
15h 23m2 stops
KLM Logo
5:00 am - 6:53 pm
OPO
-
PIT
18h 53m2 stops
$492KLM
Sat, Jan 17 - Sat, Jan 24
United Airlines Logo
6:10 am - 11:40 am
PIT
-
OPO
24h 30m2 stops
United Airlines Logo
6:00 am - 5:14 pm
OPO
-
PIT
40h 14m2 stops
$499United Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
2:57 pm - 11:40 am
PIT
-
OPO
15h 43m2 stops
United Airlines Logo
6:00 am - 5:14 pm
OPO
-
PIT
40h 14m2 stops
$500United Airlines
Sat, Jan 17 - Sat, Jan 24
Lufthansa Logo
1:12 pm - 9:45 am
PIT
-
OPO
15h 33m1 stop
Lufthansa Logo
6:00 am - 4:57 pm
OPO
-
PIT
15h 57m2 stops
$558Lufthansa
Tue, Mar 31 - Wed, Apr 8
Lufthansa Logo
4:25 pm - 9:45 am
PIT
-
OPO
12h 20m1 stop
Lufthansa Logo
6:00 am - 11:39 pm
OPO
-
PIT
22h 39m2 stops
$559Lufthansa
Tue, Mar 31 - Wed, Apr 8
Lufthansa Logo
4:25 pm - 9:45 am
PIT
-
OPO
12h 20m1 stop
Lufthansa Logo
11:05 am - 11:39 pm
OPO
-
PIT
17h 34m2 stops
$561Lufthansa
Tue, Mar 31 - Tue, Apr 7
Lufthansa Logo
7:50 pm - 11:25 pm
PIT
-
OPO
22h 35m2 stops
Lufthansa Logo
6:00 am - 4:57 pm
OPO
-
PIT
15h 57m2 stops
$565Lufthansa
Tue, Mar 31 - Wed, Apr 8
Lufthansa Logo
1:12 pm - 9:45 am
PIT
-
OPO
15h 33m1 stop
Lufthansa Logo
12:35 pm - 11:39 pm
OPO
-
PIT
16h 04m1 stop
$567Lufthansa
Tue, Mar 31 - Wed, Apr 8
United Airlines Logo
10:50 am - 9:45 am
PIT
-
OPO
17h 55m2 stops
United Airlines Logo
6:00 am - 8:51 pm
OPO
-
PIT
19h 51m2 stops
$572United Airlines
Tue, Mar 31 - Wed, Apr 8
Lufthansa Logo
4:25 pm - 9:45 am
PIT
-
OPO
12h 20m1 stop
Lufthansa Logo
12:35 pm - 11:39 pm
OPO
-
PIT
16h 04m1 stop
$597Lufthansa
Tue, Mar 31 - Wed, Apr 8

United Airlines flights from Pittsburgh to Porto

Our best United Airlines deals on Pittsburgh to Porto flight tickets
United Airlines
Jan 23
PIT6:10 amPittsburgh
24h 30m
2 stops
OPO11:40 amPorto
Jan 27
OPO6:00 amPorto
40h 14m
2 stops
PIT5:14 pmPittsburgh
$499
Find similar
United Airlines
Jan 17
PIT2:57 pmPittsburgh
15h 43m
2 stops
OPO11:40 amPorto
Jan 24
OPO6:00 amPorto
40h 14m
2 stops
PIT5:14 pmPittsburgh
$500
Find similar
United Airlines
Mar 31
PIT10:50 amPittsburgh
17h 55m
2 stops
OPO9:45 amPorto
Apr 8
OPO6:00 amPorto
19h 51m
2 stops
PIT8:51 pmPittsburgh
$572
Find similar

Lufthansa flights from Pittsburgh to Porto

Our best Lufthansa deals on Pittsburgh to Porto flight tickets
Lufthansa
Mar 31
PIT1:12 pmPittsburgh
15h 33m
1 stop
OPO9:45 amPorto
Apr 8
OPO6:00 amPorto
15h 57m
2 stops
PIT4:57 pmPittsburgh
$558
Find similar
Lufthansa
Mar 31
PIT4:25 pmPittsburgh
12h 20m
1 stop
OPO9:45 amPorto
Apr 8
OPO6:00 amPorto
22h 39m
2 stops
PIT11:39 pmPittsburgh
$559
Find similar
Lufthansa
Mar 31
PIT4:25 pmPittsburgh
12h 20m
1 stop
OPO9:45 amPorto
Apr 7
OPO11:05 amPorto
17h 34m
2 stops
PIT11:39 pmPittsburgh
$561
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh 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 December 4, 2025.
Use the filters below to find and compare flights from Pittsburgh to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 1/17

2:07 pm-10:30 am

2 stops15h 23m

Porto

Sat 1/24

5:00 am-6:53 pm

2 stops18h 53m

$492

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Fri 1/23

6:10 am-11:40 am

2 stops24h 30m

Porto

Tue 1/27

6:00 am-5:14 pm

2 stops40h 14m

$499

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 1/17

2:57 pm-11:40 am

2 stops15h 43m

Porto

Sat 1/24

6:00 am-5:14 pm

2 stops40h 14m

$500

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/31

1:12 pm-9:45 am

1 stop15h 33m

Porto

Wed 4/8

6:00 am-4:57 pm

2 stops15h 57m

$558

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/31

4:25 pm-9:45 am

1 stop12h 20m

Porto

Wed 4/8

6:00 am-11:39 pm

2 stops22h 39m

$559

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/31

4:25 pm-9:45 am

1 stop12h 20m

Porto

Tue 4/7

11:05 am-11:39 pm

2 stops17h 34m

$561

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/31

7:50 pm-11:25 pm

2 stops22h 35m

Porto

Wed 4/8

6:00 am-4:57 pm

2 stops15h 57m

$565

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/31

1:12 pm-9:45 am

1 stop15h 33m

Porto

Wed 4/8

12:35 pm-11:39 pm

1 stop16h 04m

$567

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/31

10:50 am-9:45 am

2 stops17h 55m

Porto

Wed 4/8

6:00 am-8:51 pm

2 stops19h 51m

$572

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/31

4:25 pm-9:45 am

1 stop12h 20m

Porto

Wed 4/8

12:35 pm-11:39 pm

1 stop16h 04m

$597

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 Pittsburgh 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 day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Saturday when prices can be found for as low as $1,045. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,661. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

At noon is the cheapest time of day to fly from Pittsburgh to Porto when you can find flight prices for as low as $1,079. Flying to Porto at noon 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 $1,402 on average. Flights to Porto from Pittsburgh in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Pittsburgh to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Pittsburgh to Porto (PIT to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to Porto

Fastest flight time

12h 19m

Direct flights

None
The fastest flight from Pittsburgh to Porto takes 12h 19m
There are no direct flights from Pittsburgh to Porto. There are no popular flight routes from Pittsburgh to Porto.
Search flight deals

  • How far is Pittsburgh to Porto by plane?

    Pittsburgh and Porto are 3618.7 mi apart from one another. Typically, this will take 9h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Pittsburgh Airport to Porto Airport?

    Prices for flights from Pittsburgh Airport to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Pittsburgh Airport to Porto Airport?

  • How old do you have to be to fly from Pittsburgh Airport to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Pittsburgh to Porto?

Best airlines flying from Pittsburgh to Porto

Compare and see reviews for airlines that fly from Pittsburgh to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $640Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights

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
Guimarães
Lamego
Esposende
Chaves
Viseu
Espinho
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 Pittsburgh to Porto?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pittsburgh to Porto for you.

Can I find flights from Pittsburgh to Porto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Pittsburgh to Porto flights to just show those with flexible booking policies.

How can momondo help me find flights from Pittsburgh to Porto?

Once you have performed a search for Pittsburgh 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 Pittsburgh to Porto right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Pittsburgh to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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