What are the cheapest airlines flying from Philadelphia to Porto round-trip?

According to our current data, Delta ($583), British Airways ($588), and Air Canada ($590) offers the cheapest pricing from Philadelphia to Porto. Delta is currently priced 28% below the average price you’ll pay for this route.

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

$484 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $515 and $522, respectively.

What are the most popular airlines that fly from Philadelphia to Porto?

American Airlines, Iberia and Lufthansa are the most popular airlines when flying from Philadelphia to Porto.

What is the cheapest day to fly round-trip from Philadelphia to Porto?

Users have found that flying from Philadelphia to Porto on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Philadelphia to Porto?

Find a great deal and save up to 17% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Philadelphia to Porto within the next two weeks, with the cheapest ticket starting at $678.

What is the cheapest month to fly from Philadelphia to Porto?

The best pricing can be found in the month of December. Prices to Porto from Philadelphia average $817. You can even find prices in December for less than $817, as users have found deals to Porto from as low as $590. The month of July appears to be one of the more expensive times to travel to Porto from Philadelphia. Flying in the targeted month can save you up to 34%.

Most accurate provider : When it comes to deals on Philadelphia-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Porto flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Philadelphia-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 Philadelphia-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Philadelphia to Porto?

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

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

Yes. Cheapflights offers flight deals from Philadelphia 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.

$291+ Save on Flights from Philadelphia to Porto

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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”

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Cheapflights Tip: The best prices from Philadelphia to Porto are usually found in December or January, booked 60 days in advance, depart on a Sunday or Saturday and return on a Tuesday

Cheap flight deals from Philadelphia to Porto

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$583 (Delta)
One-way from	$291 (Kiwi.com)
Popular in	July
Cheapest in	December
Average price	$761

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 Philadelphia to Porto

Search Deals

One-way flight from Philadelphia to Porto

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($139 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Philadelphia to Porto

Cheapest flights from Philadelphia to Porto
Explore the most affordable flight options available from Philadelphia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Sun 11/25:35 pmPHL - OPO

1 stop13h 05mUnited Airlines

Thu 11/136:00 amOPO - PHL

2 stops32h 51mUnited Airlines

Deal found 3/24

$542

Wed 11/54:30 pmPHL - OPO

2 stops21h 10mMultiple Airlines

Mon 11/107:30 pmOPO - PHL

2 stops48h 20mMultiple Airlines

Deal found 3/24

$545

Sun 11/25:35 pmPHL - OPO

1 stop13h 05mLufthansa

Thu 11/136:00 amOPO - PHL

1 stop15h 00mLufthansa

Deal found 3/24

$549

Thu 8/76:30 pmPHL - OPO

2 stops16h 25mAmerican Airlines

Wed 8/208:15 amOPO - PHL

2 stops19h 04mAmerican Airlines

Deal found 3/24

$566

Sat 9/276:30 pmPHL - OPO

2 stops32h 05mBritish Airways

Sun 10/58:15 amOPO - PHL

1 stop12h 40mBritish Airways

Deal found 3/24

$585

Thu 5/87:30 amPHL - OPO

2 stops30h 00mAir Canada

Thu 5/156:15 amOPO - PHL

2 stops21h 13mAir Canada

Deal found 3/24

$590

Sun 4/207:59 pmPHL - OPO

2 stops15h 46mKLM

Tue 4/296:20 amOPO - PHL

2 stops19h 49mKLM

Deal found 3/24

$596

Sat 4/1912:45 pmPHL - OPO

2 stops21h 45mDelta

Fri 5/29:20 amOPO - PHL

2 stops20h 29mDelta

Deal found 3/24

$643

Fri 10/1010:20 pmPHL - OPO

2 stops28h 15mIberia

Fri 10/178:35 pmOPO - PHL

1 stop24h 25mIberia

Deal found 3/24

$787

Sun 6/16:00 amPHL - OPO

2 stops36h 40mTAP AIR PORTUGAL

Sat 6/75:40 pmOPO - PHL

1 stop20h 59mTAP AIR PORTUGAL

Deal found 3/24

$880

Tue 7/15:35 pmPHL - OPO

2 stops35h 00mAustrian Airlines

Sun 7/66:35 pmOPO - PHL

2 stops26h 25mAustrian Airlines

Deal found 3/24

$1,149

Best flights from Philadelphia to Porto
Discover carefully curated flight deals from Philadelphia to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Tue 5/67:00 amPHL - OPO

2 stops27h 30mDelta

Fri 5/169:20 amOPO - PHL

2 stops38h 42mDelta

Deal found 3/23

$583

Wed 5/74:05 pmPHL - OPO

2 stops21h 35mBritish Airways

Fri 5/168:15 amOPO - PHL

2 stops18h 24mBritish Airways

Deal found 3/23

$588

Thu 5/87:30 amPHL - OPO

2 stops30h 00mAir Canada

Thu 5/156:15 amOPO - PHL

2 stops21h 13mAir Canada

Deal found 3/24

$590

Sun 4/207:59 pmPHL - OPO

2 stops15h 46mKLM

Tue 4/296:20 amOPO - PHL

2 stops19h 49mKLM

Deal found 3/24

$596

Fri 5/25:35 pmPHL - OPO

1 stop17h 10mMultiple Airlines

Thu 5/156:00 amOPO - PHL

2 stops37h 36mMultiple Airlines

Deal found 3/24

$600

Sun 4/205:35 pmPHL - OPO

1 stop17h 05mUnited Airlines

Tue 4/296:00 amOPO - PHL

2 stops38h 43mUnited Airlines

Deal found 3/24

$612

Fri 5/25:35 pmPHL - OPO

1 stop17h 10mLufthansa

Thu 5/156:00 amOPO - PHL

1 stop15h 00mLufthansa

Deal found 3/24

$615

Thu 5/158:25 pmPHL - OPO

1 stop30h 10mIberia

Tue 5/208:15 amOPO - PHL

2 stops16h 14mIberia

Deal found 3/23

$747

Sun 6/16:00 amPHL - OPO

2 stops36h 40mTAP AIR PORTUGAL

Sat 6/75:40 pmOPO - PHL

1 stop20h 59mTAP AIR PORTUGAL

Deal found 3/24

$880

Sun 6/810:37 amPHL - OPO

2 stops15h 58mAmerican Airlines

Sun 6/158:15 amOPO - PHL

2 stops16h 23mAmerican Airlines

Deal found 3/24

$902

Sun 6/85:35 pmPHL - OPO

2 stops19h 40mSWISS

Mon 6/167:20 pmOPO - PHL

2 stops27h 11mSWISS

Deal found 3/24

$1,377

Last-minute flights from Philadelphia to Porto
Discover last-minute flight deals from Philadelphia to Porto. Data last updated March 25, 2025 and is based on user searches.

Thu 4/312:50 pmPHL - OPO

2 stops15h 55mUnited Airlines

Wed 4/912:35 pmOPO - PHL

2 stops26h 15mUnited Airlines

Deal found 3/24

$901

Thu 4/38:45 pmPHL - OPO

1 stop14h 10mAmerican Airlines

Wed 4/912:20 pmOPO - PHL

2 stops16h 39mAmerican Airlines

Deal found 3/24

$919

Thu 4/35:35 pmPHL - OPO

1 stop12h 40mLufthansa

Wed 4/94:35 pmOPO - PHL

1 stop28h 25mLufthansa

Deal found 3/24

$1,044

Sat 4/197:55 pmPHL - OPO

1 stop19h 40mBritish Airways

Fri 5/29:10 pmOPO - PHL

1 stop23h 05mBritish Airways

Deal found 3/24

$598

Sat 4/1912:45 pmPHL - OPO

2 stops21h 45mDelta

Fri 5/29:20 amOPO - PHL

2 stops20h 29mDelta

Deal found 3/24

$643

Sun 4/207:59 pmPHL - OPO

2 stops15h 46mKLM

Tue 4/296:20 amOPO - PHL

2 stops19h 49mKLM

Deal found 3/24

$596

Sun 4/205:35 pmPHL - OPO

1 stop17h 05mUnited Airlines

Tue 4/296:00 amOPO - PHL

2 stops38h 43mUnited Airlines

Deal found 3/24

$612

Sun 4/205:00 amPHL - OPO

3 stops36h 35mMultiple Airlines

Tue 4/294:55 pmOPO - PHL

3 stops36h 31mMultiple Airlines

Deal found 3/24

$923

One-way flights from Philadelphia to Porto
Search for one-way flight options from Philadelphia to Porto. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Sat 3/2910:12 pmPHL - OPO

3 stops58h 58mMultiple Airlines

Deal found 3/24

$291

Sat 4/195:35 pmPHL - OPO

1 stop17h 10mLufthansa

Deal found 3/24

$484

Wed 5/76:15 amPHL - OPO

2 stops22h 30mUnited Airlines

Deal found 3/24

$515

Wed 5/2112:34 pmPHL - OPO

2 stops14h 01mAmerican Airlines

Deal found 3/24

$522

Sun 4/204:50 pmPHL - OPO

2 stops17h 40mAir France

Deal found 3/24

$527

Sun 6/86:00 amPHL - OPO

1 stop23h 35mTAP AIR PORTUGAL

Deal found 3/24

$622

Sat 3/296:45 pmPHL - OPO

1 stop20h 50mBritish Airways

Deal found 3/24

$628

Fri 3/2810:05 pmPHL - OPO

1 stop28h 30mIberia

Deal found 3/24

$629

Mon 6/91:33 pmPHL - OPO

2 stops16h 07mKLM

Deal found 3/24

$707

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Thu 5/8

7:30 am-6:30 pm

2 stops30h 00m

Porto

Thu 5/15

6:15 am-10:28 pm

2 stops21h 13m

$590

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 4/20

7:59 pm-4:45 pm

2 stops15h 46m

Porto

Tue 4/29

6:20 am-9:09 pm

2 stops19h 49m

$596

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sat 4/19

7:55 pm-8:35 pm

1 stop19h 40m

Porto

Fri 5/2

9:10 pm-3:15 pm

1 stop23h 05m

$598

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Fri 5/2

5:35 pm-3:45 pm

1 stop17h 10m

Porto

Thu 5/15

6:00 am-2:36 pm

2 stops37h 36m

$600

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 4/20

5:35 pm-3:40 pm

1 stop17h 05m

Porto

Tue 4/29

6:00 am-3:43 pm

2 stops38h 43m

$612

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Fri 5/2

5:35 pm-3:45 pm

1 stop17h 10m

Porto

Thu 5/15

6:00 am-4:00 pm

1 stop15h 00m

$615

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sat 4/19

12:45 pm-3:30 pm

2 stops21h 45m

Porto

Fri 5/2

9:20 am-12:49 am

2 stops20h 29m

$643

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 6/1

6:00 am-11:40 pm

2 stops36h 40m

Porto

Sat 6/7

5:40 pm-9:39 am

1 stop20h 59m

$880

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Sun 6/8

10:37 am-7:35 am

2 stops15h 58m

Porto

Sun 6/15

8:15 am-7:38 pm

2 stops16h 23m

$902

PhiladelphiaPorto

PHL - OPO

PHLOPO

Philadelphia

Wed 5/14

8:25 pm-7:35 am

1 stop30h 10m

Porto

Wed 5/28

8:15 am-7:42 pm

2 stops16h 27m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 20 results

Compare providers for flights from Philadelphia to Porto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Porto in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 Philadelphia-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Porto flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Philadelphia-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 Philadelphia-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 Philadelphia to Porto

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

How far ahead should I book a flight from Philadelphia to Porto?

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Porto (average of $523). Flying from Philadelphia to Porto in June is currently the most expensive (average of $1,082). 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 PHL to OPO?

One of the essential ways to save on airfare from Philadelphia to Porto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

What is the cheapest day to fly from Philadelphia to Porto?

Travelers seeking maximum savings on their Philadelphia to Porto flight should consider departing on Friday at noon when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Porto by month

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Peruse reviews from past customers who have flown with Delta, KLM and SWISS from Philadelphia to Porto to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,890 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,318 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,569 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,422 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,605 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Philadelphia to Porto round-trip?
According to our current data, Delta ($583), British Airways ($588), and Air Canada ($590) offers the cheapest pricing from Philadelphia to Porto. Delta is currently priced 28% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Philadelphia to Porto one-way?
$484 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $515 and $522, respectively.
Can I find deals for flights from Philadelphia to Porto that include hotel bookings?
Yes. In addition to deals on Philadelphia to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Porto.
Can I find deals for business class flights from Philadelphia to Porto?
Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Porto?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Porto (average of $523). Flying from Philadelphia to Porto in June is currently the most expensive (average of $1,082). 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

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Other flights to Porto

Top 4 airlines flying from Philadelphia to Porto

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$615	Average$816	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$644	Average$884	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$658	Average$1,064	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$669	Average$829	FlexibilityNo cancel fee	On-time77%

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$291+ Cheap flights from Philadelphia (PHL) 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Philadelphia to Porto are usually found in December or January, booked 60 days in advance, depart on a Sunday or Saturday and return on a Tuesday

Cheap flight deals from Philadelphia to Porto

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Philadelphia to Porto

Cheapest flights from Philadelphia to PortoExplore the most affordable flight options available from Philadelphia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Explore the most affordable flight options available from Philadelphia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Porto that are best for you.

Compare providers for flights from Philadelphia 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 Philadelphia to Porto in March.

Best time to book a flight from Philadelphia to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Philadelphia with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from Philadelphia to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Porto. Price data was last updated on March 21, 2025.

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

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

Find hourly flight availability from Philadelphia 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 March 25, 2025.

What is the cheapest day to fly from Philadelphia to Porto?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Porto. Price data was last updated on December 16, 2024.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

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 March 25, 2025.

Peruse reviews from past customers who have flown with Delta, KLM and SWISS from Philadelphia to Porto to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Philadelphia to Porto round-trip?

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

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

How can I find direct flights from Philadelphia to Porto?

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

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

Traveling to a place near Philadelphia?

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Alternative routes for Philadelphia to Porto

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Top 4 airlines flying from Philadelphia to Porto

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Cheapest flights from Philadelphia to Porto
Explore the most affordable flight options available from Philadelphia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.