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.

$316 Cheap Flights from Porto to Philadelphia in 2026

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Find the cheapest flights from Porto to Philadelphia

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One-way

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8:20 am - 3:25 pm

OPO

PHL

12h 05m

1 stop

7:45 pm - 7:40 am

PHL

OPO

31h 55m

1 stop

$690American Airlines

Thu, Mar 5 - Thu, Mar 12

8:40 pm - 3:25 pm

OPO

PHL

23h 45m

1 stop

7:40 pm - 11:45 am

PHL

OPO

35h 05m

2 stops

$691Iberia

Thu, Feb 19 - Thu, Feb 26

8:20 am - 8:05 pm

OPO

PHL

16h 45m

2 stops

7:45 pm - 7:40 am

PHL

OPO

31h 55m

1 stop

$701American Airlines

Thu, Mar 5 - Thu, Mar 12

12:25 pm - 3:25 pm

OPO

PHL

32h 00m

1 stop

10:15 pm - 8:00 pm

PHL

OPO

17h 45m

2 stops

$730Iberia

Thu, Mar 5 - Thu, Mar 12

12:25 pm - 9:33 am

OPO

PHL

26h 08m

2 stops

10:35 am - 7:40 am

PHL

OPO

16h 05m

2 stops

$736British Airways

Thu, Feb 19 - Thu, Feb 26

8:20 am - 3:25 pm

OPO

PHL

12h 05m

1 stop

7:45 pm - 11:45 am

PHL

OPO

12h 00m

1 stop

$739Iberia

Thu, Mar 5 - Thu, Mar 12

12:25 pm - 3:25 pm

OPO

PHL

32h 00m

1 stop

7:45 pm - 11:45 am

PHL

OPO

11h 00m

1 stop

$749Iberia

Thu, Feb 19 - Thu, Feb 26

8:20 am - 5:52 pm

OPO

PHL

38h 32m

2 stops

10:15 pm - 8:00 pm

PHL

OPO

17h 45m

2 stops

$762Iberia

Thu, Mar 5 - Thu, Mar 12

6:00 am - 5:14 pm

OPO

PHL

40h 14m

2 stops

6:30 am - 11:40 am

PHL

OPO

25h 10m

2 stops

$793United Airlines

Thu, Mar 5 - Thu, Mar 12

9:05 am - 10:46 pm

OPO

PHL

18h 41m

3 stops

6:40 pm - 4:50 pm

PHL

OPO

18h 10m

2 stops

$812Multiple Airlines

Thu, Mar 5 - Thu, Mar 12

Iberia flights from Porto to Philadelphia

Our best Iberia deals on Porto to Philadelphia flight tickets

Iberia

Feb 19

OPO8:40 pmPorto

23h 45m

1 stop

PHL3:25 pmPhiladelphia

Feb 26

PHL7:40 pmPhiladelphia

35h 05m

2 stops

OPO11:45 amPorto

$691

Iberia

Mar 7

OPO12:25 pmPorto

32h 30m

1 stop

PHL3:55 pmPhiladelphia

Mar 14

PHL7:45 pmPhiladelphia

16h 15m

1 stop

OPO4:00 pmPorto

$721

Iberia

Mar 5

OPO12:25 pmPorto

32h 00m

1 stop

PHL3:25 pmPhiladelphia

Mar 12

PHL10:15 pmPhiladelphia

17h 45m

2 stops

OPO8:00 pmPorto

$730

SWISS flights from Porto to Philadelphia

Our best SWISS deals on Porto to Philadelphia flight tickets

SWISS

Feb 9

OPO12:05 pmPorto

38h 31m

2 stops

PHL9:36 pmPhiladelphia

Feb 15

PHL12:55 pmPhiladelphia

41h 20m

3 stops

OPO11:15 amPorto

$823

SWISS

Feb 19

OPO12:05 pmPorto

38h 04m

3 stops

PHL9:09 pmPhiladelphia

Feb 26

PHL12:55 pmPhiladelphia

37h 55m

2 stops

OPO7:50 amPorto

$845

SWISS

Mar 5

OPO7:25 pmPorto

30h 44m

3 stops

PHL9:09 pmPhiladelphia

Mar 12

PHL6:40 pmPhiladelphia

36h 30m

2 stops

OPO11:10 amPorto

$862

Fly from

Fly to

Route

Depart

Return

Price

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/5

8:20 am-3:25 pm

1 stop12h 05m

Philadelphia

Thu 3/12

7:45 pm-7:40 am

1 stop31h 55m

$690

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 2/19

8:40 pm-3:25 pm

1 stop23h 45m

Philadelphia

Thu 2/26

7:40 pm-11:45 am

2 stops35h 05m

$691

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/5

8:20 am-8:05 pm

2 stops16h 45m

Philadelphia

Thu 3/12

7:45 pm-7:40 am

1 stop31h 55m

$701

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/5

12:25 pm-3:25 pm

1 stop32h 00m

Philadelphia

Thu 3/12

10:15 pm-8:00 pm

2 stops17h 45m

$730

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 2/19

12:25 pm-9:33 am

2 stops26h 08m

Philadelphia

Thu 2/26

10:35 am-7:40 am

2 stops16h 05m

$736

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/5

8:20 am-3:25 pm

1 stop12h 05m

Philadelphia

Thu 3/12

7:45 pm-11:45 am

1 stop12h 00m

$739

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 2/19

12:25 pm-3:25 pm

1 stop32h 00m

Philadelphia

Thu 2/26

7:45 pm-11:45 am

1 stop11h 00m

$749

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/5

8:20 am-5:52 pm

2 stops38h 32m

Philadelphia

Thu 3/12

10:15 pm-8:00 pm

2 stops17h 45m

$762

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/5

6:00 am-5:14 pm

2 stops40h 14m

Philadelphia

Thu 3/12

6:30 am-11:40 am

2 stops25h 10m

$793

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/5

9:05 am-10:46 pm

3 stops18h 41m

Philadelphia

Thu 3/12

6:40 pm-4:50 pm

2 stops18h 10m

$812

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

Can stopping save me money on Porto to Philadelphia flights?

You could potentially save up to 17% 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

Fastest flight time	24h 00m
Direct flights	None

The fastest flight from Porto to Philadelphia takes 24h 00m

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

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How far is Porto to Philadelphia by plane?
Porto and Philadelphia are 3401.6 mi apart from one another. Typically, this will take 24h 00m 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

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

King of Prussia

Cherry Hill

Newark

Dewey Beach

Reading

North Wildwood

Avalon

Dover

Lewes

Stone Harbor

Essington

Vineland

New Castle

Pottstown

Somers Point

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.