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.

$395 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 - 4:55 pm

OPO

PHL

12h 35m

1 stop

8:40 pm - 11:45 am

PHL

OPO

35h 05m

2 stops

$687Iberia

Thu, Mar 12 - Thu, Mar 19

8:20 am - 4:55 pm

OPO

PHL

12h 35m

1 stop

8:40 pm - 11:45 am

PHL

OPO

35h 05m

2 stops

$697Iberia

Thu, Mar 12 - Thu, Mar 19

8:20 am - 8:05 pm

OPO

PHL

16h 45m

2 stops

6:35 pm - 7:00 pm

PHL

OPO

19h 25m

1 stop

$710Multiple Airlines

Fri, Feb 20 - Fri, Feb 27

8:40 pm - 4:55 pm

OPO

PHL

24h 15m

1 stop

7:45 pm - 8:00 pm

PHL

OPO

20h 15m

1 stop

$712Iberia

Thu, Mar 12 - Thu, Mar 19

8:20 am - 4:55 pm

OPO

PHL

12h 35m

1 stop

7:45 pm - 7:40 am

PHL

OPO

31h 55m

1 stop

$714Iberia

Thu, Mar 12 - Thu, Mar 19

8:20 am - 8:34 pm

OPO

PHL

16h 14m

2 stops

12:36 pm - 7:40 am

PHL

OPO

15h 04m

2 stops

$720American Airlines

Thu, Mar 12 - Thu, Mar 19

8:20 am - 3:25 pm

OPO

PHL

12h 05m

1 stop

7:45 pm - 8:00 pm

PHL

OPO

19h 15m

1 stop

$745Iberia

Fri, Feb 20 - Fri, Feb 27

6:05 pm - 3:26 pm

OPO

PHL

50h 21m

2 stops

9:57 pm - 7:15 pm

PHL

OPO

40h 18m

2 stops

$802British Airways

Fri, Feb 20 - Fri, Feb 27

6:35 am - 10:46 pm

OPO

PHL

20h 11m

3 stops

6:40 pm - 7:55 am

PHL

OPO

33h 15m

3 stops

$856Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

8:20 am - 7:35 pm

OPO

PHL

16h 15m

2 stops

5:40 pm - 11:15 am

PHL

OPO

12h 35m

1 stop

$866Multiple Airlines

Mon, May 4 - Thu, May 7

Iberia flights from Porto to Philadelphia

Our best Iberia deals on Porto to Philadelphia flight tickets

Iberia

Mar 12

OPO8:20 amPorto

12h 35m

1 stop

PHL4:55 pmPhiladelphia

Mar 19

PHL8:40 pmPhiladelphia

35h 05m

2 stops

OPO11:45 amPorto

$687

Iberia

Mar 12

OPO8:20 amPorto

12h 35m

1 stop

PHL4:55 pmPhiladelphia

Mar 19

PHL8:40 pmPhiladelphia

35h 05m

2 stops

OPO11:45 amPorto

$697

Iberia

Mar 12

OPO8:40 pmPorto

24h 15m

1 stop

PHL4:55 pmPhiladelphia

Mar 19

PHL7:45 pmPhiladelphia

20h 15m

1 stop

OPO8:00 pmPorto

$712

SWISS flights from Porto to Philadelphia

Our best SWISS deals on Porto to Philadelphia flight tickets

SWISS

Mar 12

OPO7:25 pmPorto

32h 51m

3 stops

PHL12:16 amPhiladelphia

Mar 19

PHL6:40 pmPhiladelphia

19h 50m

2 stops

OPO6:30 pmPorto

$871

SWISS

Feb 20

OPO11:25 amPorto

38h 44m

2 stops

PHL9:09 pmPhiladelphia

Feb 27

PHL12:55 pmPhiladelphia

41h 20m

3 stops

OPO11:15 amPorto

$880

SWISS

Feb 20

OPO7:20 pmPorto

30h 49m

3 stops

PHL9:09 pmPhiladelphia

Feb 27

PHL12:55 pmPhiladelphia

41h 20m

3 stops

OPO11:15 amPorto

$973

Fly from

Fly to

Route

Depart

Return

Price

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

8:20 am-4:55 pm

1 stop12h 35m

Philadelphia

Thu 3/19

8:40 pm-11:45 am

2 stops35h 05m

$687

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

8:20 am-4:55 pm

1 stop12h 35m

Philadelphia

Thu 3/19

8:40 pm-11:45 am

2 stops35h 05m

$697

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Fri 2/20

8:20 am-8:05 pm

2 stops16h 45m

Philadelphia

Fri 2/27

6:35 pm-7:00 pm

1 stop19h 25m

$710

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

8:40 pm-4:55 pm

1 stop24h 15m

Philadelphia

Thu 3/19

7:45 pm-8:00 pm

1 stop20h 15m

$712

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

8:20 am-4:55 pm

1 stop12h 35m

Philadelphia

Thu 3/19

7:45 pm-7:40 am

1 stop31h 55m

$714

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

8:20 am-8:34 pm

2 stops16h 14m

Philadelphia

Thu 3/19

12:36 pm-7:40 am

2 stops15h 04m

$720

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Fri 2/20

8:20 am-3:25 pm

1 stop12h 05m

Philadelphia

Fri 2/27

7:45 pm-8:00 pm

1 stop19h 15m

$745

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Fri 2/20

6:05 pm-3:26 pm

2 stops50h 21m

Philadelphia

Fri 2/27

9:57 pm-7:15 pm

2 stops40h 18m

$802

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Thu 3/12

6:35 am-10:46 pm

3 stops20h 11m

Philadelphia

Thu 3/19

6:40 pm-7:55 am

3 stops33h 15m

$856

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

Mon 5/4

8:20 am-7:35 pm

2 stops16h 15m

Philadelphia

Thu 5/7

5:40 pm-11:15 am

1 stop12h 35m

$866

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 15m
Direct flights	None

The fastest flight from Porto to Philadelphia takes 24h 15m

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

Search flight deals

How far is Porto to Philadelphia by plane?
Porto and Philadelphia are 3401.6 mi apart from one another. Typically, this will take 24h 15m 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.