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

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

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.

$457 Cheap Flights from Porto to Philadelphia in 2026

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Find the cheapest flights from Porto to Philadelphia

Round-trip

One-way

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5:50 pm - 9:41 pm

OPO

PHL

32h 51m

1 stop

6:00 am - 10:30 am

PHL

OPO

23h 30m

1 stop

$868TAP AIR PORTUGAL

пн, трав. 11 - нд, трав. 17

9:00 am - 9:50 am

OPO

PHL

29h 50m

2 stops

3:25 pm - 10:55 am

PHL

OPO

14h 30m

1 stop

$877TAP AIR PORTUGAL

пт, вер. 11 - сб, вер. 19

12:00 pm - 9:50 am

OPO

PHL

26h 50m

2 stops

6:00 am - 8:10 am

PHL

OPO

21h 10m

2 stops

$885TAP AIR PORTUGAL

пт, вер. 11 - сб, вер. 19

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

10:32 am - 6:55 am

PHL

OPO

15h 23m

2 stops

$894United Airlines

чт, трав. 28 - ср, черв. 3

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

10:05 am - 7:10 am

PHL

OPO

16h 05m

1 stop

$897United Airlines

чт, вер. 10 - пт, вер. 18

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

10:05 am - 7:00 am

PHL

OPO

15h 55m

1 stop

$898United Airlines

чт, трав. 28 - ср, черв. 3

6:00 am - 3:41 pm

OPO

PHL

38h 41m

2 stops

3:25 pm - 7:10 am

PHL

OPO

10h 45m

1 stop

$905Air Canada

пт, вер. 11 - пт, вер. 18

6:00 am - 4:05 pm

OPO

PHL

15h 05m

1 stop

10:28 am - 6:55 am

PHL

OPO

15h 27m

2 stops

$908United Airlines

чт, вер. 10 - сб, вер. 19

11:50 am - 5:42 pm

OPO

PHL

34h 52m

2 stops

3:25 pm - 7:10 am

PHL

OPO

10h 45m

1 stop

$911United Airlines

чт, вер. 10 - пт, вер. 18

5:55 am - 10:09 pm

OPO

PHL

21h 14m

2 stops

1:44 pm - 3:25 pm

PHL

OPO

20h 41m

2 stops

$912Delta

чт, трав. 28 - ср, черв. 3

United Airlines flights from Porto to Philadelphia

Our best United Airlines deals on Porto to Philadelphia flight tickets

United Airlines

May 28

OPO6:00 amPorto

15h 05m

1 stop

PHL4:05 pmPhiladelphia

Jun 3

PHL10:32 amPhiladelphia

15h 23m

2 stops

OPO6:55 amPorto

$894

United Airlines

May 28

OPO6:00 amPorto

15h 05m

1 stop

PHL4:05 pmPhiladelphia

Jun 3

PHL10:05 amPhiladelphia

15h 55m

1 stop

OPO7:00 amPorto

$898

United Airlines

Jun 14

OPO9:00 amPorto

29h 39m

2 stops

PHL9:39 amPhiladelphia

Jun 21

PHL6:10 amPhiladelphia

28h 30m

2 stops

OPO3:40 pmPorto

$928

TAP AIR PORTUGAL flights from Porto to Philadelphia

Our best TAP AIR PORTUGAL deals on Porto to Philadelphia flight tickets

TAP AIR PORTUGAL

May 11

OPO5:50 pmPorto

32h 51m

1 stop

PHL9:41 pmPhiladelphia

May 17

PHL6:00 amPhiladelphia

23h 30m

1 stop

OPO10:30 amPorto

$868

TAP AIR PORTUGAL

May 11

OPO5:50 pmPorto

32h 51m

1 stop

PHL9:41 pmPhiladelphia

May 17

PHL6:00 amPhiladelphia

23h 00m

2 stops

OPO10:00 amPorto

$922

TAP AIR PORTUGAL

May 10

OPO6:00 pmPorto

18h 34m

1 stop

PHL7:34 amPhiladelphia

May 17

PHL6:00 amPhiladelphia

22h 00m

2 stops

OPO9:00 amPorto

$923

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

пн 5/11

5:50 pm-9:41 pm

1 stop32h 51m

Philadelphia

нд 5/17

6:00 am-10:30 am

1 stop23h 30m

$868

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

пт 9/11

9:00 am-9:50 am

2 stops29h 50m

Philadelphia

сб 9/19

3:25 pm-10:55 am

1 stop14h 30m

$877

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

пт 9/11

12:00 pm-9:50 am

2 stops26h 50m

Philadelphia

сб 9/19

6:00 am-8:10 am

2 stops21h 10m

$885

Quickest round-trip

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

чт 5/28

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

ср 6/3

10:32 am-6:55 am

2 stops15h 23m

$894

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

чт 9/10

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

пт 9/18

10:05 am-7:10 am

1 stop16h 05m

$897

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

чт 5/28

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

ср 6/3

10:05 am-7:00 am

1 stop15h 55m

$898

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

пт 9/11

6:00 am-3:41 pm

2 stops38h 41m

Philadelphia

пт 9/18

3:25 pm-7:10 am

1 stop10h 45m

$905

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

чт 9/10

6:00 am-4:05 pm

1 stop15h 05m

Philadelphia

сб 9/19

10:28 am-6:55 am

2 stops15h 27m

$908

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

чт 9/10

11:50 am-5:42 pm

2 stops34h 52m

Philadelphia

пт 9/18

3:25 pm-7:10 am

1 stop10h 45m

$911

PortoPhiladelphia

OPO - PHL

OPOPHL

Porto

чт 5/28

5:55 am-10:09 pm

2 stops21h 14m

Philadelphia

ср 6/3

1:44 pm-3:25 pm

2 stops20h 41m

$912

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 4% 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	15h 05m
Direct flights	None

The fastest flight from Porto to Philadelphia takes 15h 05m

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 15h 05m 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

Dewey Beach

Reading

Avalon

Dover

North Wildwood

Lewes

Stone Harbor

New Castle

Essington

Vineland

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.