OPO - PHL

$354 Find Cheap Flights from Porto to Philadelphia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Porto to Philadelphia departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Porto to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Porto to Philadelphia, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$634
Multiple Airlines
Mon 3/16Mon 3/23
OPO - PHL • 1 stop
Cheapest one-way
$354
Multiple Airlines
Thu 2/26
OPO - PHL • 3 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Philadelphia!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Porto to Philadelphia (OPO-PHL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Porto to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Porto to Philadelphia

Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
6:30 am - 5:00 pm
OPO
-
PHL
14h 30m
1 stop
Multiple Airlines Logo
6:30 pm - 9:40 am
PHL
-
OPO
11h 10m
1 stop
$634Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Iberia Logo
8:20 am - 4:55 pm
OPO
-
PHL
12h 35m
1 stop
Iberia Logo
8:40 pm - 11:45 am
PHL
-
OPO
35h 05m
2 stops
$697Iberia
Fri, Feb 20 - Tue, Feb 24
Iberia Logo
8:20 am - 3:25 pm
OPO
-
PHL
12h 05m
1 stop
Iberia Logo
7:45 pm - 8:00 pm
PHL
-
OPO
19h 15m
1 stop
$699Iberia
Thu, Mar 12 - Thu, Mar 19
Iberia Logo
8:20 am - 8:34 pm
OPO
-
PHL
16h 14m
2 stops
Iberia Logo
8:40 pm - 11:45 am
PHL
-
OPO
35h 05m
2 stops
$707Iberia
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
8:20 am - 8:05 pm
OPO
-
PHL
16h 45m
2 stops
Multiple Airlines Logo
6:35 pm - 7:00 pm
PHL
-
OPO
19h 25m
1 stop
$710Multiple Airlines
Fri, Feb 20 - Tue, Feb 24
Multiple Airlines Logo
8:20 am - 8:05 pm
OPO
-
PHL
16h 45m
2 stops
Multiple Airlines Logo
7:45 pm - 8:00 pm
PHL
-
OPO
19h 15m
1 stop
$711Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
American Airlines Logo
8:20 am - 8:34 pm
OPO
-
PHL
16h 14m
2 stops
American Airlines Logo
10:52 am - 7:40 am
PHL
-
OPO
16h 48m
2 stops
$712American Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
8:40 pm - 4:55 pm
OPO
-
PHL
24h 15m
1 stop
Multiple Airlines Logo
1:46 pm - 7:40 am
PHL
-
OPO
13h 54m
2 stops
$714Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
6:30 am - 5:00 pm
OPO
-
PHL
14h 30m
1 stop
Multiple Airlines Logo
6:30 pm - 9:15 pm
PHL
-
OPO
22h 45m
2 stops
$716Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Iberia Logo
8:40 pm - 4:55 pm
OPO
-
PHL
24h 15m
1 stop
Iberia Logo
7:45 pm - 11:45 am
PHL
-
OPO
12h 00m
1 stop
$737Iberia
Booking Insights

KAYAK's insights & trends for Porto to Philadelphia flights

Get data-powered insights and trends into flights from Porto to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Porto to Philadelphia?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Porto to Philadelphia were found on Iberia ($697) and American Airlines ($712).

Find deals

Good to know

Cheapest flight$354
Flight from Porto to Philadelphia

When to book flights from Porto to Philadelphia

Are your dates flexible? Find out the best times to travel from Porto to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Porto to Philadelphia

  • What is the cheapest flight from Porto to Philadelphia?

    In the last 3 days, the lowest price for a flight from Porto to Philadelphia was $354 for a one-way ticket and $634 for a round-trip.

  • Do I need a passport to fly between Porto and Philadelphia?

    Yes

  • Which aircraft models fly most regularly from Porto to Philadelphia?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Porto to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Porto to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Porto to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Porto is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Porto to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Porto with another airline. Booking your flights between Porto and PHL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Porto to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Porto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Porto to Philadelphia

Information on your arrival and departure airports

Porto (OPO)
Philadelphia (PHL)