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$443+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — OPO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$596
(United Airlines)

One-way from

$443
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$888
From Pittsburgh to Porto
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One-way flight from Pittsburgh to Porto
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Highest demand for flights based on searches. 22% potential increase in price ($303 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 10/286:25 pmPIT - OPO
1 stop11h 05mUnited Airlines
Tue 11/46:00 amOPO - PIT
2 stops22h 27mUnited Airlines
Deal found 9/13$540
This Gurufare deal was found by Cheapflights users on 9/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:55 amPIT - OPO
1 stop16h 35mLufthansa
Tue 12/26:00 amOPO - PIT
2 stops22h 34mLufthansa
Deal found 9/12$553
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/287:00 pmPIT - OPO
2 stops33h 35mUnited Airlines
Thu 10/96:00 amOPO - PIT
2 stops22h 15mUnited Airlines
Deal found 9/15$650
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Tue 10/287:40 amPIT - OPO
3 stops24h 15mMultiple Airlines
Tue 11/46:00 amOPO - PIT
3 stops20h 28mMultiple Airlines
Deal found 9/13$665
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:40 pmPIT - OPO
1 stop17h 40mBritish Airways
Thu 10/99:55 amOPO - PIT
1 stop14h 50mBritish Airways
Deal found 9/15$706
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:21 pmPIT - OPO
1 stop16h 09mLufthansa
Tue 11/412:35 pmOPO - PIT
1 stop11h 36mLufthansa
Deal found 9/13$769
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Thu 10/237:34 pmPIT - OPO
3 stops21h 36mMultiple Airlines
Sun 10/2612:40 pmOPO - PIT
3 stops33h 06mMultiple Airlines
Deal found 9/14$783
This Turkish Airlines deal was found by Cheapflights users on 9/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amPIT - OPO
2 stops22h 45mTurkish Airlines
Sun 10/264:10 pmOPO - PIT
2 stops35h 48mTurkish Airlines
Deal found 9/15$795

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 September 15, 2025.
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

Tue 10/28

6:25 pm-9:30 am

1 stop11h 05m

Porto

Tue 11/4

6:00 am-11:27 pm

2 stops22h 27m

$540

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 11/25

2:11 pm-9:30 am

2 stops14h 19m

Porto

Tue 12/2

12:30 pm-11:34 pm

2 stops16h 04m

$544

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sun 9/28

7:00 pm-9:35 am

2 stops33h 35m

Porto

Thu 10/9

6:00 am-11:15 pm

2 stops22h 15m

$650

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 10/28

7:40 am-11:55 am

3 stops24h 15m

Porto

Tue 11/4

6:00 am-9:28 pm

3 stops20h 28m

$665

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sun 9/28

9:40 pm-8:20 pm

1 stop17h 40m

Porto

Thu 10/9

9:55 am-7:45 pm

1 stop14h 50m

$706

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 10/28

1:21 pm-9:30 am

1 stop16h 09m

Porto

Tue 11/4

12:35 pm-7:11 pm

1 stop11h 36m

$769

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Thu 10/23

6:00 am-9:45 am

2 stops22h 45m

Porto

Sun 10/26

4:10 pm-11:58 pm

2 stops35h 48m

$795

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Thu 10/23

7:34 pm-10:10 pm

3 stops21h 36m

Porto

Sun 10/26

12:40 pm-5:46 pm

3 stops33h 06m

$805

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 9/20

7:10 am-1:15 pm

3 stops49h 05m

$443

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 9/20

7:10 pm-6:55 am

2 stops30h 45m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 12 results
1
2

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

What is the cheapest time of day to fly from PIT to OPO?

Find hourly flight availability from Pittsburgh to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

One of the essential ways to save on airfare from Pittsburgh to Porto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 24% on airfare.

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 September 15, 2025.
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
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 11h 05m. United Airlines provides one of the quickest options available for as low as $540. Airlines will cover a distance of 3624 mi.

  • 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 $664. United Airlines is 36% 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.

  • What is the cheapest month to book a flight from Pittsburgh to Porto?

    Currently, January is the cheapest month in which you can book a flight from Pittsburgh to Porto (average of $523). Flying from Pittsburgh to Porto in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pittsburgh to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$664Average$1,209FlexibilityNo cancel feeOn-time69%

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