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$214+ Cheap flights from Pennsylvania 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — OPO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Porto

Cheapest flights from Pennsylvania to Porto
Explore the most affordable flight options available from Pennsylvania to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:55 pmEWR - OPO
1 stop12h 05mTAP AIR PORTUGAL
Tue 1/1311:00 amOPO - EWR
1 stop16h 10mTAP AIR PORTUGAL
Deal found 12/17$758
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:55 pmLGA - OPO
1 stop32h 10mAir Transat
Sat 1/108:50 amOPO - LGA
1 stop13h 05mAir Transat
Deal found 12/17$780
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:30 pmJFK - OPO
2 stops16h 25mMultiple Airlines
Wed 1/712:40 pmOPO - JFK
1 stop12h 15mMultiple Airlines
Deal found 12/16$802
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:50 pmJFK - OPO
1 stop19h 10mMultiple Airlines
Tue 1/138:20 amOPO - JFK
1 stop15h 55mMultiple Airlines
Deal found 12/16$843
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:05 pmJFK - OPO
1 stop12h 10mMultiple Airlines
Fri 1/99:55 pmOPO - JFK
1 stop27h 00mMultiple Airlines
Deal found 12/17$862
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:50 pmJFK - OPO
1 stop18h 10mIberia
Tue 1/1312:25 pmOPO - JFK
1 stop11h 50mIberia
Deal found 12/17$864
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:05 pmJFK - OPO
1 stop12h 10mAir Europa
Wed 1/78:10 pmOPO - JFK
1 stop26h 40mAir Europa
Deal found 12/16$868
This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:20 pmJFK - OPO
1 stop12h 25mBritish Airways
Tue 1/66:25 pmOPO - JFK
1 stop29h 15mBritish Airways
Deal found 12/17$889
This French Bee deal was found by Cheapflights users on 12/17. 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:00 pmEWR - OPO
1 stop12h 20mMultiple Airlines
Fri 1/910:20 amOPO - EWR
1 stop15h 40mMultiple Airlines
Deal found 12/17$893
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:40 pmJFK - OPO
1 stop11h 10mDelta
Tue 1/135:00 amOPO - JFK
2 stops19h 30mDelta
Deal found 12/17$930
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:05 amJFK - OPO
3 stops30h 10mMultiple Airlines
Tue 1/62:45 pmOPO - JFK
2 stops28h 30mMultiple Airlines
Deal found 12/17$942
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:55 pmEWR - OPO
1 stop12h 05mTAP AIR PORTUGAL
Sat 1/1010:00 amOPO - EWR
1 stop10h 40mTAP AIR PORTUGAL
Deal found 12/17$951

Find flight deals from Pennsylvania to Porto

Keep the following information in mind while searching for Pennsylvania to Porto flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$434
(Kiwi.com)

One-way from

$214
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,244
Provider with most accurate pricing for Philadelphia-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Porto flights.
Search Deals
From Pennsylvania to Porto
Search Deals
One-way flight from Pennsylvania to Porto
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 December 18, 2025.
Use the filters below to find and compare flights from Pennsylvania to Porto that are best for you.

Fly from

Pennsylvania

Fly to

Porto

Route

Depart

Return

Price

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 2/11

6:50 pm-10:30 am

1 stop10h 40m

Porto

Tue 2/17

5:00 am-4:05 pm

1 stop16h 05m

$478

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 1/11

6:50 pm-10:30 am

1 stop10h 40m

Porto

Thu 1/22

5:00 am-4:05 pm

1 stop16h 05m

$478

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 3/18

7:50 pm-10:30 am

1 stop10h 40m

Porto

Wed 3/25

5:00 am-5:05 pm

1 stop16h 05m

$478

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 2/15

6:50 pm-10:30 am

1 stop10h 40m

Porto

Wed 2/25

11:15 am-4:05 pm

1 stop33h 50m

$478

PittsburghPorto

PIT - OPO

PITOPO

Pittsburgh

Thu 1/22

2:06 pm-12:50 pm

2 stops17h 44m

Porto

Thu 2/26

6:00 am-7:00 pm

2 stops18h 00m

$479

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 1/12

5:25 pm-11:15 am

1 stop12h 50m

Porto

Tue 1/20

12:05 pm-3:10 pm

1 stop32h 05m

$482

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 1/11

12:23 pm-10:30 am

2 stops17h 07m

Porto

Tue 1/20

5:00 am-4:05 pm

1 stop16h 05m

$483

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 2/15

12:38 pm-10:30 am

2 stops16h 52m

Porto

Wed 2/25

5:00 am-4:05 pm

1 stop16h 05m

$483

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 1/13

12:29 pm-10:30 am

2 stops17h 01m

Porto

Tue 1/20

5:00 am-4:05 pm

1 stop16h 05m

$483

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 2/25

12:55 pm-9:30 am

2 stops15h 35m

Porto

Wed 3/4

6:00 am-7:04 pm

2 stops18h 04m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Pennsylvania 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 Pennsylvania to Porto

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

Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Porto (average of $489). Flying from Pennsylvania to Porto in December is currently the most expensive (average of $845). 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 PA to OPO?

Find hourly flight availability from Pennsylvania 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 December 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 14% on flights from Pennsylvania to Porto by exploring options for tickets in the morning.

Related info for your journey

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

  • What airport do you fly into for flights to Porto from Pennsylvania?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Pennsylvania to Porto.

  • How long is the flight from Pennsylvania to Porto?

    Airlines like KLM, Delta, and Lufthansa fly from Pennsylvania to Porto in about 10h 40m. The time it takes to get you to your destination can typically vary by up to 7h 04m. There are 3537 mi between Pennsylvania and Porto. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Pennsylvania to Porto one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $428. Users have also found prices from $437 and $456 on TAP AIR PORTUGAL and Lufthansa, respectively.

  • What are the most popular routes from Pennsylvania to Porto?

    The most popular route from Pennsylvania to Porto is New York John F Kennedy Intl - Porto. You may also consider Newark - Porto or New York LaGuardia - Porto.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Porto?

    Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Porto (average of $489). Flying from Pennsylvania to Porto in December is currently the most expensive (average of $845). 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
Vila Nova de Gaia

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Alternative routes for Pennsylvania to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Pennsylvania to Porto

Discover the top 4 airlines that operate flights from Pennsylvania 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$489Average$964FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$567Average$830FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$576Average$868FlexibilityNo cancel feeOn-time76%
IberiaCheapest$593Average$857FlexibilityNo cancel feeOn-time77%

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