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$437+ Cheap flights from Pittsburgh (PIT) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — OPO
Feb 16 — Feb 231
Mon 2/16
Mon 2/23
1 adult, Economy
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Cheap 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 January 17, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$437
(United Airlines)

Popular in

June

Cheapest in

November
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
Highest demand for flights based on searches. 23% potential increase in price ($293 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($69 potential savings vs. average RT price).
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Find 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 January 17, 2026.

This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:19 am
PIT
-
OPO
1 stop21h 11m
United Airlines
Tue 3/1012:35 pm
OPO
-
PIT
2 stops25h 00m
United Airlines
Deal found 1/15$437
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Tue 3/32:05 pm
PIT
-
OPO
2 stops14h 25m
United Airlines
Tue 3/1012:35 pm
OPO
-
PIT
2 stops25h 00m
United Airlines
Deal found 1/17$450
This KAYAK deal was found by Cheapflights users on 1/15. 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.
Sun 4/198:26 am
PIT
-
OPO
1 stop20h 19m
Lufthansa
Tue 4/286:20 am
OPO
-
PIT
2 stops22h 06m
Lufthansa
Deal found 1/15$452
This British Airways deal was found by Cheapflights users on 1/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:22 am
PIT
-
OPO
2 stops17h 18m
Multiple Airlines
Tue 4/288:20 am
OPO
-
PIT
2 stops16h 04m
Multiple Airlines
Deal found 1/15$461
This Iberia deal was found by Cheapflights users on 1/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:51 am
PIT
-
OPO
2 stops27h 09m
Iberia
Mon 3/98:40 pm
OPO
-
PIT
2 stops27h 54m
Iberia
Deal found 1/17$471
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Sun 3/110:45 am
PIT
-
OPO
2 stops17h 45m
United Airlines
Mon 3/912:35 pm
OPO
-
PIT
1 stop12h 30m
United Airlines
Deal found 1/17$475
This Air France deal was found by Cheapflights users on 1/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:43 pm
PIT
-
OPO
2 stops15h 42m
Multiple Airlines
Mon 2/234:10 pm
OPO
-
PIT
2 stops30h 10m
Multiple Airlines
Deal found 1/16$493
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:51 am
PIT
-
OPO
2 stops21h 49m
United Airlines
Mon 2/2312:35 pm
OPO
-
PIT
1 stop13h 22m
United Airlines
Deal found 1/16$515
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/232:57 pm
PIT
-
OPO
2 stops15h 43m
United Airlines
Tue 1/276:00 am
OPO
-
PIT
2 stops40h 14m
United Airlines
Deal found 1/16$554
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:10 pm
PIT
-
OPO
2 stops14h 20m
United Airlines
Tue 12/16:00 am
OPO
-
PIT
2 stops38h 31m
United Airlines
Deal found 1/15$559

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 January 17, 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

Sun 2/22

6:10 am-9:30 am

2 stops22h 20m

Porto

Tue 3/10

12:35 pm-1:09 pm

2 stops28h 34m

$437

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 3/3

10:45 am-9:30 am

2 stops17h 45m

Porto

Tue 3/10

12:35 pm-9:05 pm

1 stop12h 30m

$450

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sun 4/19

8:26 am-9:45 am

1 stop20h 19m

Porto

Tue 4/28

6:20 am-11:26 pm

2 stops22h 06m

$452

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sun 4/19

9:22 am-7:40 am

2 stops17h 18m

Porto

Tue 4/28

8:20 am-7:24 pm

2 stops16h 04m

$461

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sun 4/19

9:22 am-7:40 am

2 stops17h 18m

Porto

Tue 4/28

8:20 am-7:24 pm

2 stops16h 04m

$461

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sun 3/1

11:51 am-8:00 pm

2 stops27h 09m

Porto

Mon 3/9

8:40 pm-8:34 pm

2 stops27h 54m

$471

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sun 3/1

10:45 am-9:30 am

2 stops17h 45m

Porto

Mon 3/9

12:35 pm-9:05 pm

1 stop12h 30m

$475

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Thu 2/19

1:43 pm-10:25 am

2 stops15h 42m

Porto

Mon 2/23

4:10 pm-5:20 pm

2 stops30h 10m

$493

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Thu 2/19

8:51 am-11:40 am

2 stops21h 49m

Porto

Mon 2/23

12:35 pm-8:57 pm

1 stop13h 22m

$515

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Wed 7/8

8:40 pm-12:00 pm

2 stops34h 20m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 12 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pittsburgh-Porto flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 January 17, 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
9,174 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

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
9,174 reviews
United Airlines
7.4
Good
9,174 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

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 20h 19m. United Airlines provides one of the quickest options available for as low as $452. 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
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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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 January 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$640Average$1,113FlexibilityNo cancel feeOn-time69%

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