What is the cheapest airline that flies from Porto to Philadelphia?

British Airways is the most popular carrier operating from Porto to Philadelphia

What airlines fly to Philadelphia?

TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Philadelphia from Porto according to our data. TAP AIR PORTUGAL is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 3 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Porto Airport to Philadelphia Airport?

Prices for flights from Porto Airport to Philadelphia Airport are refreshed on a daily basis.

How old do you have to be to fly from Porto Airport to Philadelphia Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$421 Cheap Flights from Porto to Philadelphia in 2026

Find the cheapest flights from Porto to Philadelphia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:55 am - 10:07 pmOPO Porto-PHL Philadelphia

20h 12m2 stops Paris Charles de Gaulle Boston Logan Intl

11:00 am - 10:35 amPHL Philadelphia-OPO Porto

18h 35m2 stops Boston Logan Intl Paris Charles de Gaulle

$780Delta

Thu, Oct 29 - Tue, Nov 3

5:55 am - 10:07 pmOPO Porto-PHL Philadelphia

20h 12m2 stops Paris Charles de Gaulle Boston Logan Intl

11:00 am - 10:35 amPHL Philadelphia-OPO Porto

18h 35m2 stops Boston Logan Intl Paris Charles de Gaulle

$783Delta

Thu, Oct 29 - Tue, Nov 3

11:25 am - 10:07 pmOPO Porto-PHL Philadelphia

15h 42m2 stops Amsterdam Schiphol Boston Logan Intl

12:25 pm - 10:35 amPHL Philadelphia-OPO Porto

18h 10m2 stops Boston Logan Intl Paris Charles de Gaulle

$783Multiple Airlines

Mon, Oct 19 - Mon, Oct 26

8:20 am - 3:50 pmOPO Porto-PHL Philadelphia

12h 30m1 stop Madrid Barajas

4:40 pm - 4:00 pmPHL Philadelphia-OPO Porto

18h 20m2 stops Boston Logan Intl Madrid Barajas

$784American Airlines

Sat, Jan 9 - Sat, Jan 23

8:40 pm - 4:35 pmOPO Porto-PHL Philadelphia

23h 55m1 stop Madrid Barajas

6:35 pm - 5:50 pmPHL Philadelphia-OPO Porto

18h 15m1 stop London Heathrow

$790Multiple Airlines

Thu, Oct 29 - Tue, Nov 3

8:40 pm - 4:35 pmOPO Porto-PHL Philadelphia

23h 55m1 stop Madrid Barajas

6:35 pm - 5:50 pmPHL Philadelphia-OPO Porto

18h 15m1 stop London Heathrow

$792Multiple Airlines

Thu, Oct 29 - Tue, Nov 3

8:20 am - 7:37 amOPO Porto-PHL Philadelphia

28h 17m2 stops Madrid Barajas Boston Logan Intl

7:35 am - 4:00 pmPHL Philadelphia-OPO Porto

27h 25m2 stops Boston Logan Intl Madrid Barajas

$793American Airlines

Thu, Nov 12 - Sun, Nov 15

8:20 am - 4:45 pmOPO Porto-PHL Philadelphia

37h 25m2 stops Madrid Barajas Boston Logan Intl

7:45 pm - 4:00 pmPHL Philadelphia-OPO Porto

15h 15m1 stop Madrid Barajas

$793American Airlines

Thu, Nov 12 - Sun, Nov 15

8:40 pm - 4:35 pmOPO Porto-PHL Philadelphia

23h 55m1 stop Madrid Barajas

4:25 pm - 11:45 amPHL Philadelphia-OPO Porto

14h 20m2 stops Boston Logan Intl Madrid Barajas

$798Iberia

Thu, Oct 29 - Tue, Nov 3

8:20 am - 3:35 pmOPO Porto-PHL Philadelphia

12h 15m1 stop Madrid Barajas

7:45 pm - 4:00 pmPHL Philadelphia-OPO Porto

15h 15m1 stop Madrid Barajas

$824Iberia

Thu, Nov 12 - Sun, Nov 15

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Delta flights from Porto to Philadelphia

Our best Delta deals on Porto to Philadelphia flight tickets

Delta

Oct 29

OPO5:55 amPorto

20h 12m

2 stops

PHL10:07 pmPhiladelphia

Nov 3

PHL11:00 amPhiladelphia

18h 35m

2 stops

OPO10:35 amPorto

$780

Delta

Jan 9

OPO5:55 amPorto

22h 07m

2 stops

PHL11:02 pmPhiladelphia

Jan 23

PHL1:20 pmPhiladelphia

16h 15m

2 stops

OPO10:35 amPorto

$800

Iberia flights from Porto to Philadelphia

Our best Iberia deals on Porto to Philadelphia flight tickets

Iberia

Oct 29

OPO8:40 pmPorto

23h 55m

1 stop

PHL4:35 pmPhiladelphia

Nov 3

PHL4:25 pmPhiladelphia

14h 20m

2 stops

OPO11:45 amPorto

$798

Iberia

Nov 12

OPO8:20 amPorto

12h 15m

1 stop

PHL3:35 pmPhiladelphia

Nov 15

PHL7:45 pmPhiladelphia

15h 15m

1 stop

OPO4:00 pmPorto

$824

Iberia

Oct 29

OPO12:25 pmPorto

14h 35m

2 stops

PHL11:00 pmPhiladelphia

Nov 3

PHL4:25 pmPhiladelphia

14h 20m

2 stops

OPO11:45 amPorto

$830

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 10/29

5:55 am-10:07 pm

2 stops20h 12m

Philadelphia

Tue 11/3

11:00 am-10:35 am

2 stops18h 35m

$780

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 10/29

5:55 am-10:07 pm

2 stops20h 12m

Philadelphia

Tue 11/3

11:00 am-10:35 am

2 stops18h 35m

$783

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Mon 10/19

11:25 am-10:07 pm

2 stops15h 42m

Philadelphia

Mon 10/26

12:25 pm-10:35 am

2 stops18h 10m

$783

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Sat 1/9

8:20 am-3:50 pm

1 stop12h 30m

Philadelphia

Sat 1/23

4:40 pm-4:00 pm

2 stops18h 20m

$784

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 10/29

8:40 pm-4:35 pm

1 stop23h 55m

Philadelphia

Tue 11/3

6:35 pm-5:50 pm

1 stop18h 15m

$790

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 10/29

8:40 pm-4:35 pm

1 stop23h 55m

Philadelphia

Tue 11/3

6:35 pm-5:50 pm

1 stop18h 15m

$792

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/12

8:20 am-7:37 am

2 stops28h 17m

Philadelphia

Sun 11/15

7:35 am-4:00 pm

2 stops27h 25m

$793

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/12

8:20 am-4:45 pm

2 stops37h 25m

Philadelphia

Sun 11/15

7:45 pm-4:00 pm

1 stop15h 15m

$793

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 10/29

8:40 pm-4:35 pm

1 stop23h 55m

Philadelphia

Tue 11/3

4:25 pm-11:45 am

2 stops14h 20m

$798

Quickest round-trip

PortoPhiladelphia

OPO Porto - PHL Philadelphia

OPOPHL

Porto

Thu 11/12

8:20 am-3:35 pm

1 stop12h 15m

Philadelphia

Sun 11/15

7:45 pm-4:00 pm

1 stop15h 15m

$824

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Porto to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Porto to Philadelphia flights?

You could potentially save up to 7% on your flight if you consider stops on a Porto to Philadelphia flight.

When to book flights from Porto to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Porto to Philadelphia (OPO to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Philadelphia

Best Price Found	$421
Fastest flight time	22h 07m
Direct flights	None

The best one-way flight to Philadelphia from Porto in the past 72 hours is $421. The best round-trip flight deal from Porto to Philadelphia found on momondo in the last 72 hours is $780.

The fastest flight from Porto to Philadelphia takes 22h 07m

There are no direct flights from Porto to Philadelphia. There are no popular flight routes from Porto to Philadelphia.

Search flight deals

Frequently asked questions about flying from Porto to Philadelphia

How far is Porto to Philadelphia by plane?
Porto and Philadelphia are 3401.6 mi apart from one another. Typically, this will take 22h 07m by plane in normal conditions.
When did momondo last update prices for flights from Porto Airport to Philadelphia Airport?
Prices for flights from Porto Airport to Philadelphia Airport are refreshed on a daily basis.
How old do you have to be to fly from Porto Airport to Philadelphia Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Wildwood

Rehoboth Beach

Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Essington

Dover

Dewey Beach

New Castle

North Wildwood

Chester

Vineland

Avalon

Norristown

Stone Harbor

Pottstown

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Philadelphia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Porto.

Can I find flights from Porto to Philadelphia with flexible booking policies on momondo?

Flights from Porto to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Porto to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Porto.

I’m not ready to book a flight from Porto to Philadelphia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Porto to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.