HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$335+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — OPO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pittsburgh to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 3/211:23 am
PIT
-
OPO
1 stop17h 07m
United Airlines
Wed 3/186:00 am
OPO
-
PIT
2 stops17h 00m
United Airlines
Deal found 1/27$480
This Delta deal was found by Cheapflights users on 1/28. 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 3/211:20 am
PIT
-
OPO
2 stops18h 10m
Delta
Mon 3/95:00 am
OPO
-
PIT
2 stops22h 02m
Delta
Deal found 1/28$495
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/28:51 am
PIT
-
OPO
2 stops19h 39m
United Airlines
Mon 3/912:35 pm
OPO
-
PIT
1 stop12h 30m
United Airlines
Deal found 1/28$551
This Rumbo deal was found by Cheapflights users on 1/27. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:05 pm
PIT
-
OPO
2 stops23h 30m
Multiple Airlines
Wed 3/1812:35 pm
OPO
-
PIT
1 stop14h 55m
Multiple Airlines
Deal found 1/27$593
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:55 pm
PIT
-
OPO
2 stops19h 40m
Multiple Airlines
Mon 3/96:15 am
OPO
-
PIT
2 stops40h 45m
Multiple Airlines
Deal found 1/28$625
This KAYAK deal was found by Cheapflights users on 1/26. 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.
Sat 5/22:08 pm
PIT
-
OPO
2 stops40h 32m
SWISS
Mon 5/117:20 pm
OPO
-
PIT
2 stops26h 31m
SWISS
Deal found 1/26$643
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 2/1112:21 pm
PIT
-
OPO
2 stops17h 09m
Delta
Wed 2/185:00 am
OPO
-
PIT
2 stops18h 31m
Delta
Deal found 1/27$694
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:59 pm
PIT
-
OPO
2 stops22h 26m
Lufthansa
Wed 4/86:00 am
OPO
-
PIT
2 stops22h 26m
Lufthansa
Deal found 1/27$772

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$480
(United Airlines)

One-way from

$335
(Mytrip)

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
One-way flight 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).
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 January 29, 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

Mon 3/2

11:23 am-9:30 am

1 stop17h 07m

Porto

Wed 3/18

6:00 am-7:00 pm

2 stops17h 00m

$480

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Mon 3/2

11:20 am-10:30 am

2 stops18h 10m

Porto

Mon 3/9

5:00 am-11:02 pm

2 stops22h 02m

$495

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Mon 3/2

8:51 am-9:30 am

2 stops19h 39m

Porto

Mon 3/9

12:35 pm-9:05 pm

1 stop12h 30m

$551

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Mon 3/2

5:55 pm-6:35 pm

2 stops19h 40m

Porto

Mon 3/9

6:15 am-7:00 pm

2 stops40h 45m

$625

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 5/2

2:08 pm-11:40 am

2 stops40h 32m

Porto

Mon 5/11

7:20 pm-4:51 pm

2 stops26h 31m

$643

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Wed 2/11

12:21 pm-10:30 am

2 stops17h 09m

Porto

Tue 2/17

5:00 am-10:37 pm

2 stops22h 37m

$694

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Wed 2/11

12:21 pm-10:30 am

2 stops17h 09m

Porto

Wed 2/18

5:00 am-6:31 pm

2 stops18h 31m

$694

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 5/2

10:55 am-11:25 am

2 stops19h 30m

Porto

Mon 5/11

12:35 pm-6:34 pm

1 stop10h 59m

$776

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Fri 5/15

8:25 pm-11:55 pm

2 stops22h 30m

$335

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sun 2/15

10:26 am-11:00 pm

3 stops31h 34m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 13 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*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.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Porto

How much does it cost to fly round-trip from Pittsburgh to Porto?

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 29, 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
9,215 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

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 07m. United Airlines provides one of the quickest options available for as low as $480. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pittsburgh to Porto

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
Dulles Intl to Lisbon flights
LaGuardia to Lisbon flights
Newark to Porto flights
John F Kennedy Intl to Porto flights
Reagan-National to Lisbon flights
Philadelphia to Lisbon flights
Newark to Ponta Delgada flights
LaGuardia to Porto flights
John F Kennedy Intl to Ponta Delgada flights
Dulles Intl to Porto flights
Reagan-National to Porto flights
Newark to Funchal flights
John F Kennedy Intl to Funchal flights
LaGuardia to Ponta Delgada flights
Newark to Faro flights
John F Kennedy Intl to Faro flights
Pittsburgh to Lisbon flights
LaGuardia to Faro flights
LaGuardia to Funchal flights
Dulles Intl to Funchal flights
Philadelphia to Porto flights
Reagan-National to Funchal flights
Dulles Intl to Faro flights
Dulles Intl to Ponta Delgada flights
Reagan-National to Ponta Delgada flights
Reagan-National to Faro flights
Philadelphia to Ponta Delgada flights
Philadelphia to Funchal flights
John F Kennedy Intl to Lajes flights
Newark to Lajes flights
Harrisburg to Lisbon flights
Dulles Intl to Lajes flights
Allentown to Lisbon flights
Philadelphia to Faro flights
John F Kennedy Intl to Pico Island flights
LaGuardia to Lajes flights
Newark to Porto Santo flights
John F Kennedy Intl to Vila do Porto flights
State College to Lisbon flights
Pittsburgh to Ponta Delgada flights
Dulles Intl to Pico Island flights
Philadelphia to Lajes flights

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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$640Average$1,198FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.