$324 Cheap Flights from Philadelphia (PHL) to Quito (UIO)

View $324 flight on Tue, Jun 17, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Philadelphia to Quito (PHL-UIO)

Prices were available within the past 7 days and start at $324 for one-way flights and $561 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 1 - Tue, Oct 21
PHL
Philadelphia
UIO
Quito
$561 Roundtrip, found 20 hours ago
$561
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Oct 1 from Philadelphia to Quito, returning Tue, Oct 21, priced at $561 found 20 hours ago
Delta
Wed, Oct 8 - Mon, Oct 27
PHL
Philadelphia
UIO
Quito
$562 Roundtrip, found 20 hours ago
$562
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Oct 8 from Philadelphia to Quito, returning Mon, Oct 27, priced at $562 found 20 hours ago
Delta
Wed, Nov 19 - Mon, Dec 8
PHL
Philadelphia
UIO
Quito
$564 Roundtrip, found 20 hours ago
$564
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Nov 19 from Philadelphia to Quito, returning Mon, Dec 8, priced at $564 found 20 hours ago
United
Tue, Nov 4 - Wed, Nov 19
PHL
Philadelphia
UIO
Quito
$565 Roundtrip, found 20 hours ago
$565
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Nov 4 from Philadelphia to Quito, returning Wed, Nov 19, priced at $565 found 20 hours ago
Delta
Wed, Nov 26 - Thu, Dec 18
PHL
Philadelphia
UIO
Quito
$570 Roundtrip, found 20 hours ago
$570
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Nov 26 from Philadelphia to Quito, returning Thu, Dec 18, priced at $570 found 20 hours ago
American Airlines
Mon, Aug 18 - Fri, Dec 12
PHL
Philadelphia
UIO
Quito
$571 Roundtrip, found 8 hours ago
$571
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Aug 18 from Philadelphia to Quito, returning Fri, Dec 12, priced at $571 found 8 hours ago
United
Tue, Oct 21 - Tue, Nov 4
PHL
Philadelphia
UIO
Quito
$571 Roundtrip, found 20 hours ago
$571
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Oct 21 from Philadelphia to Quito, returning Tue, Nov 4, priced at $571 found 20 hours ago
Delta
Fri, Aug 15 - Wed, Sep 3
PHL
Philadelphia
UIO
Quito
$572 Roundtrip, found 1 hour ago
$572
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Aug 15 from Philadelphia to Quito, returning Wed, Sep 3, priced at $572 found 1 hour ago
LATAM Airlines Group
Tue, Sep 16 - Tue, Sep 30
PHL
Philadelphia
UIO
Quito
$614 Roundtrip, found 2 days ago
$614
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Tue, Sep 16 from Philadelphia to Quito, returning Tue, Sep 30, priced at $614 found 2 days ago
Copa
Tue, Jun 3 - Thu, Jun 12
PHL
Philadelphia
UIO
Quito
$757 Roundtrip, found 1 day ago
$757
Roundtrip
found 1 day ago
Select Copa flight, departing Tue, Jun 3 from Philadelphia to Quito, returning Thu, Jun 12, priced at $757 found 1 day ago

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Mariscal Sucre Intl. Airport (UIO) cost?
Discover the latest flight deals from PHL to UIO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHL to UIO?
The cheapest flights from PHL to UIO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHL to UIO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PHL to UIO. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Mariscal Sucre Intl. Airport (UIO)?
There are no daily direct flights departing from Philadelphia Intl. Airport (PHL) to Mariscal Sucre Intl. Airport (UIO). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be soaring above the clouds in no time.
What day of the week has the most flights from PHL to UIO?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Mariscal Sucre Intl. Airport (UIO)?
To reach Mariscal Sucre Intl. Airport (UIO) without delays, choose a flight that takes off from Philadelphia Intl. Airport (PHL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Mariscal Sucre Intl. Airport (UIO) last-minute?
Holding off until just before your departure to book your flight from PHL to UIO often results in higher prices. While you may find some last-minute discounts, they aren’t always guaranteed. Allow some flexibility in your schedule for the best chance of snagging a bargain.
Is it cheaper to book a PHL to UIO flight and hotel package?
Opting for a PHL to UIO flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Mariscal Sucre Intl. Airport (UIO)?
If you reserved your PHL to UIO flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.
*Available to One Key members.