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$305+ 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
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$705
(Cheapflightsfares)

One-way from

$305
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$751
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. 18% potential increase in price ($250 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 9/306:50 pmPIT - OPO
1 stop9h 55mUnited Airlines
Tue 10/76:00 amOPO - PIT
2 stops15h 52mUnited Airlines
Deal found 8/16$750
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:10 amPIT - OPO
3 stops23h 20mMultiple Airlines
Tue 10/711:55 amOPO - PIT
3 stops34h 24mMultiple Airlines
Deal found 8/16$768
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 10/18:08 pmPIT - OPO
2 stops34h 07mUnited Airlines
Wed 10/86:00 amOPO - PIT
2 stops18h 56mUnited Airlines
Deal found 8/17$842
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:30 amPIT - OPO
3 stops34h 20mMultiple Airlines
Sun 9/286:25 amOPO - PIT
3 stops41h 33mMultiple Airlines
Deal found 8/16$874
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:30 pmPIT - OPO
2 stops21h 35mMultiple Airlines
Sun 9/286:25 amOPO - PIT
3 stops41h 33mMultiple Airlines
Deal found 8/16$893
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:35 amPIT - OPO
2 stops30h 55mAir Canada
Sat 10/186:15 amOPO - PIT
2 stops21h 13mAir Canada
Deal found 8/17$899
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 pmPIT - OPO
2 stops23h 20mLufthansa
Sat 10/186:00 amOPO - PIT
2 stops17h 48mLufthansa
Deal found 8/16$906
This Turkish Airlines deal was found by Cheapflights users on 8/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:00 amPIT - OPO
2 stops46h 55mTurkish Airlines
Tue 9/2310:50 amOPO - PIT
2 stops41h 58mTurkish Airlines
Deal found 8/17$911
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 9/94:48 pmPIT - OPO
1 stop9h 57mUnited Airlines
Tue 9/1612:50 pmOPO - PIT
2 stops30h 10mUnited Airlines
Deal found 8/16$920

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 August 18, 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 9/30

6:50 pm-9:45 am

1 stop9h 55m

Porto

Tue 10/7

6:00 am-4:52 pm

2 stops15h 52m

$750

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Tue 9/30

7:10 am-11:30 am

3 stops23h 20m

Porto

Tue 10/7

11:55 am-5:19 pm

3 stops34h 24m

$768

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Wed 10/1

8:08 pm-11:15 am

2 stops34h 07m

Porto

Wed 10/8

6:00 am-7:56 pm

2 stops18h 56m

$842

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 9/20

6:30 am-9:50 pm

3 stops34h 20m

Porto

Sun 9/28

6:25 am-6:58 pm

3 stops41h 33m

$874

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Fri 9/19

8:30 pm-11:05 pm

2 stops21h 35m

Porto

Sun 9/28

6:25 am-6:58 pm

3 stops41h 33m

$893

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 10/11

6:35 am-6:30 pm

2 stops30h 55m

Porto

Sat 10/18

6:15 am-10:28 pm

2 stops21h 13m

$899

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 10/11

7:00 pm-11:20 pm

2 stops23h 20m

Porto

Sat 10/18

6:00 am-6:48 pm

2 stops17h 48m

$906

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 9/13

6:00 am-9:45 am

2 stops22h 45m

Porto

Tue 9/23

4:50 pm-11:48 pm

2 stops35h 58m

$911

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 9/20

6:30 am-12:00 pm

3 stops48h 30m

$305

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Sat 9/20

7:10 pm-6:55 am

2 stops30h 45m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 11 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 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 $1,030). 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.

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 August 18, 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.

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 August 18, 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
8,925 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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 9h 55m. United Airlines provides one of the quickest options available for as low as $750. 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 $700. 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 $1,030). 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

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Alternative routes for Pittsburgh to Porto

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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$700Average$1,213FlexibilityNo cancel feeOn-time69%

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