$321 Cheap Flights from Philadelphia (PHL) to Quito (UIO)

View $321 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Mariscal Sucre Intl. Airport (UIO)

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Cheap Flights from Philadelphia to Quito (PHL-UIO)

Prices were available within the past 7 days and start at $321 for one-way flights and $564 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 25 - Mon, Dec 8
PHL
Philadelphia
UIO
Quito
$564 Roundtrip, found 10 hours ago
$564
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Nov 25 from Philadelphia to Quito, returning Mon, Dec 8, priced at $564 found 10 hours ago
United
Wed, Nov 5 - Wed, Nov 19
PHL
Philadelphia
UIO
Quito
$564 Roundtrip, found 10 hours ago
$564
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Nov 5 from Philadelphia to Quito, returning Wed, Nov 19, priced at $564 found 10 hours ago
American Airlines
Mon, Oct 27 - Thu, Nov 6
PHL
Philadelphia
UIO
Quito
$564 Roundtrip, found 1 day ago
$564
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 27 from Philadelphia to Quito, returning Thu, Nov 6, priced at $564 found 1 day ago
United
Tue, Nov 4 - Wed, Nov 19
PHL
Philadelphia
UIO
Quito
$569 Roundtrip, found 10 hours ago
$569
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Nov 4 from Philadelphia to Quito, returning Wed, Nov 19, priced at $569 found 10 hours ago
Delta
Sun, Sep 7 - Wed, Sep 17
PHL
Philadelphia
UIO
Quito
$573 Roundtrip, found 1 day ago
$573
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Sep 7 from Philadelphia to Quito, returning Wed, Sep 17, priced at $573 found 1 day ago
Delta
Tue, Nov 25 - Fri, Dec 12
PHL
Philadelphia
UIO
Quito
$574 Roundtrip, found 10 hours ago
$574
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Nov 25 from Philadelphia to Quito, returning Fri, Dec 12, priced at $574 found 10 hours ago
American Airlines
Thu, Oct 2 - Mon, Oct 13
PHL
Philadelphia
UIO
Quito
$576 Roundtrip, found 12 hours ago
$576
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Oct 2 from Philadelphia to Quito, returning Mon, Oct 13, priced at $576 found 12 hours ago
United
Tue, Nov 4 - Sun, Nov 16
PHL
Philadelphia
UIO
Quito
$579 Roundtrip, found 10 hours ago
$579
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Nov 4 from Philadelphia to Quito, returning Sun, Nov 16, priced at $579 found 10 hours ago
LATAM Airlines Group
Mon, Nov 10 - Thu, Nov 20
PHL
Philadelphia
UIO
Quito
$628 Roundtrip, found 6 days ago
$628
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Mon, Nov 10 from Philadelphia to Quito, returning Thu, Nov 20, priced at $628 found 6 days ago
avianca
Wed, Jan 7 - Sat, Jan 24
PHL
Philadelphia
UIO
Quito
$666 Roundtrip, found 1 day ago
$666
Roundtrip
found 1 day ago
Select avianca flight, departing Wed, Jan 7 from Philadelphia to Quito, returning Sat, Jan 24, priced at $666 found 1 day ago

Find the cheapest month to fly from Philadelphia (PHL) to Quito (UIO)

May is typically the cheapest month to fly

From $511 - $966 per traveler.

Graph displaying average flight prices per month

Alternative airports near Quito

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Mariscal Sucre Intl. UIO. Cheapest and Closest option available. Average driving time to city center is 33 minutes. Flights from $945
UIO
Mariscal Sucre Intl.
CheapestClosest
Average driving time to city center33 min
Flights from $945
Flights from Philadelphia (PHL) to Quito (UIO)
Origin airport
Philadelphia Intl.
Destination airport
Mariscal Sucre Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
$564
Distance
2770 mi

Philadelphia to Quito Flights

The cheapest times to fly from Philadelphia to Quito

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Quito are during the month of November. You can find some of the cheapest flights from Philadelphia to Quito with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Quito

Sunday is one of the best days to book for cheap flights from Philadelphia to Quito: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Quito

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Quito in 2025. You can also book with separate airlines for your outbound and return journeys, from $321 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Quito flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Quito airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

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.

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*Available to One Key members.