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$416+ Cheap flights from Pittsburgh (PIT) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — OPO
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap flight deals from Pittsburgh to Porto

Cheapest flights from Pittsburgh to Porto
Explore the most affordable flight options available from Pittsburgh to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This BusinessClass deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:30 pm
PIT
-
OPO
2 stops21h 50m
Multiple Airlines
Tue 3/249:55 am
OPO
-
PIT
2 stops16h 51m
Multiple Airlines
Deal found 2/15$556
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:30 am
PIT
-
OPO
2 stops19h 00m
United Airlines
Wed 4/16:00 am
OPO
-
PIT
2 stops19h 58m
United Airlines
Deal found 2/18$567
This Gotogate deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:12 pm
PIT
-
OPO
2 stops20h 08m
British Airways
Thu 4/238:20 am
OPO
-
PIT
2 stops15h 12m
British Airways
Deal found 2/18$568
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2311:23 am
PIT
-
OPO
2 stops19h 07m
Delta
Tue 3/315:00 am
OPO
-
PIT
2 stops22h 46m
Delta
Deal found 2/18$570
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:10 am
PIT
-
OPO
2 stops23h 20m
United Airlines
Tue 3/316:00 am
OPO
-
PIT
2 stops32h 34m
United Airlines
Deal found 2/18$573
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:22 am
PIT
-
OPO
2 stops17h 18m
American Airlines
Sat 5/98:20 am
OPO
-
PIT
2 stops16h 04m
American Airlines
Deal found 2/16$591
This British Airways deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:15 pm
PIT
-
OPO
1 stop17h 00m
British Airways
Mon 3/309:10 pm
OPO
-
PIT
1 stop27h 40m
British Airways
Deal found 2/18$611
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:10 am
PIT
-
OPO
2 stops23h 20m
United Airlines
Mon 3/306:00 am
OPO
-
PIT
2 stops32h 34m
United Airlines
Deal found 2/18$623
This KAYAK deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:52 am
PIT
-
OPO
1 stop18h 38m
Lufthansa
Tue 3/2412:30 pm
OPO
-
PIT
2 stops25h 39m
Lufthansa
Deal found 2/15$637

Find flight deals from Pittsburgh to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$556
(BusinessClass)

One-way from

$416
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$680
Provider with most accurate pricing for Pittsburgh-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pittsburgh-Porto flights.
Search Deals
From Pittsburgh to Porto
Search Deals
One-way flight from Pittsburgh to Porto
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Pittsburgh to Porto that are best for you.

Fly from

Pittsburgh

Fly to

Porto

Route

Depart

Return

Price

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Wed 3/18

5:30 pm-7:20 pm

2 stops21h 50m

Porto

Tue 3/24

9:55 am-10:46 pm

2 stops16h 51m

$556

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Thu 4/9

9:45 pm-8:20 pm

1 stop17h 35m

Porto

Thu 4/23

9:55 am-7:50 pm

1 stop14h 55m

$587

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Mon 3/23

10:15 pm-5:35 pm

1 stop15h 20m

Porto

Mon 3/30

9:10 pm-7:50 pm

1 stop27h 40m

$611

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 3/21

10:15 pm-7:15 pm

1 stop17h 00m

Porto

Mon 3/30

9:10 pm-7:50 pm

1 stop27h 40m

$611

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Mon 3/23

3:00 pm-9:30 am

2 stops14h 30m

Porto

Mon 3/30

6:00 am-9:34 am

2 stops32h 34m

$623

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Mon 3/23

10:15 pm-5:35 pm

1 stop15h 20m

Porto

Wed 4/1

8:20 pm-7:50 pm

1 stop28h 30m

$641

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 3/21

10:15 pm-7:15 pm

1 stop17h 00m

Porto

Wed 4/1

8:20 pm-7:50 pm

1 stop28h 30m

$641

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/24

7:15 am-10:30 am

2 stops23h 15m

Porto

Wed 4/1

5:00 am-11:02 pm

2 stops23h 02m

$642

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/24

11:23 am-10:30 am

2 stops19h 07m

Porto

Tue 3/31

5:00 am-10:46 pm

2 stops22h 46m

$644

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 5/2

2:08 pm-11:00 am

2 stops39h 52m

Porto

Sat 5/9

9:30 am-10:22 pm

2 stops41h 52m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 14 results
1
2

Compare providers for flights from Pittsburgh to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pittsburgh to Porto in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Pittsburgh-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Pittsburgh-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Pittsburgh to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Pittsburgh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated February 18, 2026.
Read reviews from past customers who have flown United Airlines from Pittsburgh to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,321 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,321 reviews
United Airlines
7.4
Good
9,321 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Pittsburgh to Porto?

    A quick flight from Pittsburgh to Porto can take about 17h 18m. American Airlines provides one of the quickest options available for as low as $591. Airlines will cover a distance of 3624 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Pittsburgh to Porto round-trip?

    Flying on United Airlines is currently your cheapest option to Porto, with prices starting at $640. United Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Pittsburgh to Porto that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to Porto.

  • Can I find deals for business class flights from Pittsburgh to Porto?

    Yes. Cheapflights offers flight deals from Pittsburgh to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Pittsburgh to Porto

Discover the top airline that operate flights from Pittsburgh to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$640Average$1,008FlexibilityNo cancel feeOn-time69%

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