$426 Cheap Flights from Quito (UIO) to Philadelphia (PHL)

View $426 flight on Tue, Feb 24, 2026Opens in a new window

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

Cheap Flights from Quito to Philadelphia (UIO-PHL)

Prices were available within the past 7 days and start at $426 for one-way flights and $633 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 24 - Mon, Jan 12
UIO
Quito
PHL
Philadelphia
$633 Roundtrip, found 10 hours ago
$633
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Dec 24 from Quito to Philadelphia, returning Mon, Jan 12, priced at $633 found 10 hours ago
United
Thu, Dec 25 - Thu, Jan 15
UIO
Quito
PHL
Philadelphia
$633 Roundtrip, found 10 hours ago
$633
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Dec 25 from Quito to Philadelphia, returning Thu, Jan 15, priced at $633 found 10 hours ago
Delta
Wed, Dec 24 - Tue, Jan 13
UIO
Quito
PHL
Philadelphia
$637 Roundtrip, found 10 hours ago
$637
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Dec 24 from Quito to Philadelphia, returning Tue, Jan 13, priced at $637 found 10 hours ago
Delta
Mon, Feb 9 - Tue, Feb 24
UIO
Quito
PHL
Philadelphia
$641 Roundtrip, found 2 days ago
$641
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Feb 9 from Quito to Philadelphia, returning Tue, Feb 24, priced at $641 found 2 days ago
American Airlines
Mon, Feb 9 - Tue, Feb 24
UIO
Quito
PHL
Philadelphia
$643 Roundtrip, found 2 days ago
$643
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Quito to Philadelphia, returning Tue, Feb 24, priced at $643 found 2 days ago
Delta
Wed, Dec 24 - Sun, Jan 11
UIO
Quito
PHL
Philadelphia
$645 Roundtrip, found 10 hours ago
$645
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Dec 24 from Quito to Philadelphia, returning Sun, Jan 11, priced at $645 found 10 hours ago
American Airlines
Mon, Feb 9 - Tue, Feb 24
UIO
Quito
PHL
Philadelphia
$648 Roundtrip, found 2 days ago
$648
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 9 from Quito to Philadelphia, returning Tue, Feb 24, priced at $648 found 2 days ago
Delta
Fri, Mar 13 - Tue, Mar 24
UIO
Quito
PHL
Philadelphia
$649 Roundtrip, found 3 days ago
$649
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Mar 13 from Quito to Philadelphia, returning Tue, Mar 24, priced at $649 found 3 days ago
LATAM Airlines Group
Tue, Feb 24 - Wed, Apr 29
UIO
Quito
PHL
Philadelphia
$656 Roundtrip, found 1 day ago
$656
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Feb 24 from Quito to Philadelphia, returning Wed, Apr 29, priced at $656 found 1 day ago
avianca
Thu, Dec 25 - Sat, Jan 10
UIO
Quito
PHL
Philadelphia
$762 Roundtrip, found 10 hours ago
$762
Roundtrip
found 10 hours ago
Select avianca flight, departing Thu, Dec 25 from Quito to Philadelphia, returning Sat, Jan 10, priced at $762 found 10 hours ago

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

January is typically the cheapest month to fly

From $601 - $2,066 per traveler.

Alternative airports near Philadelphia

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

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $936
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $936

Frequently asked questions

How much does a flight from Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL) cost?
Snag a cheap one-way flight from $426 or cheap return flight from $633 from Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from UIO to PHL is December, when demand is low. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL)?
To find the cheapest airline that'll fly you from UIO to PHL, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL)?
Direct flights from Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from UIO to PHL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL)?
Choose a flight from Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**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 Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your flight from UIO to PHL right before your journey is usually more expensive. But if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an UIO to PHL flight and hotel package?
Securing an UIO to PHL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of hotels and then add flights, activities 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 Mariscal Sucre Intl. Airport (UIO) to Philadelphia Intl. Airport (PHL)?
If you reserved your UIO to PHL flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Mariscal Sucre Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
$632
Distance
2770 mi

Book with confidence

Quito to Philadelphia Flights

The cheapest times to fly from Quito to Philadelphia

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 Quito to Philadelphia are during the month of December. You can find some of the cheapest flights from Quito to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Quito to Philadelphia

Sunday is one of the best days to book for cheap flights from Quito to Philadelphia: 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 Quito to Philadelphia

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 Quito to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $426 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 Quito to Philadelphia 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 Quito to Philadelphia 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.

 

Quito to Philadelphia Flights

Explore a world of travel with Expedia

*Available to One Key members.