Porto to Philadelphia flights

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Lowest observed: €739, departing 23 Dec 2026 (Last checked: 11 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: Aer Lingus, Air Canada, Air Europa, Air Transat, Azores Airlines, Brussels Airlines +11 more
Typical journey time: 25h 20m

Lowest observed

€739Checked on 11 Oct 2026

Cheapest month

December 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €739

23 Dec 2026

Ryanair · 2 stops · 21 nights

Cheapest observed day · Last checked: 11 Oct 2026

Departure

07:40

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Short answer

We have seen Aer Lingus fares from Porto to Philadelphia. The lowest fare our own searches returned is €739, seen on 11 Oct 2026. December 2026 is the cheapest month in our observations, at €739. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Porto to Philadelphia. Prices move often, so pick your dates to see the latest options.

Route distance: 5,479 km
Typical journey time: 25h 20m
Airlines seen: Aer Lingus, Air Canada, Air Europa, Air Transat, Azores Airlines, Brussels Airlines +11 more
Seen on fares with a connection: Ryanair, TAP Air Portugal, Aer Lingus, JetBlue, Eurowings, Iberia +7 more
Alternative airports: TTN

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

Porto Airport (OPO) → Porto, city gazetteer reference point (41.1579, -8.6291): ≈ 11 km.
Philadelphia International Airport (PHL) → Philadelphia, city gazetteer reference point (39.9523, -75.1638): ≈ 11 km.
Trenton Mercer Airport (TTN) → Philadelphia, city gazetteer reference point (39.9523, -75.1638): ≈ 47 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from Porto to Philadelphia?

The lowest fare we have observed is €739, found on 11 Oct 2026. Prices move, so read it as a floor rather than a quote.

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

In our observations December 2026 is the cheapest month so far, at €739.

Are there direct flights from Porto to Philadelphia?

Our data holds no non-stop flight from Porto to Philadelphia. The fares on this page include at least one stop.

Which airlines fly from Porto to Philadelphia?

These are the carriers we have seen on the route: Aer Lingus, Air Canada, Air Europa, Air Transat, Azores Airlines, Brussels Airlines +11 more.

How long does the flight from Porto to Philadelphia take?

The average journey time across the 85 fares we observed is 32h 03m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Porto to Philadelphia fares were non-stop?

None of the 86 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide