$663 Cheap Flights from Quito (UIO) to San Sebastian (EAS)

View $663 flight on Mon, Jul 20, 2026Opens in a new window

Popular airlines from Mariscal Sucre Intl. Airport (UIO) to San Sebastian (EAS)

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Cheap Flights from Quito to San Sebastian (UIO-EAS)

Prices were available within the past 7 days and start at $663 for one-way flights and $968 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$968 Roundtrip, found 7 hours ago
$968
Roundtrip
found 7 hours ago
Select Iberia flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $968 found 7 hours ago
Iberia
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$979 Roundtrip, found 7 hours ago
$979
Roundtrip
found 7 hours ago
Select Iberia flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $979 found 7 hours ago
Iberia
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$1,002 Roundtrip, found 7 hours ago
$1,002
Roundtrip
found 7 hours ago
Select Iberia flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $1,002 found 7 hours ago
Iberia
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$1,013 Roundtrip, found 7 hours ago
$1,013
Roundtrip
found 7 hours ago
Select Iberia flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $1,013 found 7 hours ago
LATAM Airlines Group
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$1,016 Roundtrip, found 7 hours ago
$1,016
Roundtrip
found 7 hours ago
Select LATAM Airlines Group flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $1,016 found 7 hours ago
Iberia
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$1,051 Roundtrip, found 7 hours ago
$1,051
Roundtrip
found 7 hours ago
Select Iberia flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $1,051 found 7 hours ago
Iberia
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$1,070 Roundtrip, found 7 hours ago
$1,070
Roundtrip
found 7 hours ago
Select Iberia flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $1,070 found 7 hours ago
LATAM Airlines Group
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$1,071 Roundtrip, found 7 hours ago
$1,071
Roundtrip
found 7 hours ago
Select LATAM Airlines Group flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $1,071 found 7 hours ago
Iberia
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$1,073 Roundtrip, found 7 hours ago
$1,073
Roundtrip
found 7 hours ago
Select Iberia flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $1,073 found 7 hours ago
avianca
Mon, Jul 20 - Thu, Aug 20
UIO
Quito
EAS
San Sebastián
$1,381 Roundtrip, found 7 hours ago
$1,381
Roundtrip
found 7 hours ago
Select avianca flight, departing Mon, Jul 20 from Quito to San Sebastián, returning Thu, Aug 20, priced at $1,381 found 7 hours ago

Frequently asked questions

How much does a flight from Mariscal Sucre Intl. Airport (UIO) to San Sebastian Airport (EAS) cost?
Get a cheap one-way flight from $663 or cheap return flight from $968 from Mariscal Sucre Intl. Airport (UIO) to San Sebastian Airport (EAS) 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 San Sebastian Airport (EAS)?
The cheapest month to fly from UIO to EAS is July, when demand is low. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Mariscal Sucre Intl. Airport (UIO) to San Sebastian Airport (EAS)?
To find the cheapest airline flying from UIO to EAS, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Mariscal Sucre Intl. Airport (UIO) to San Sebastian Airport (EAS)?
You'll need to book a flight with a layover if you're traveling from Mariscal Sucre Intl. Airport (UIO) to San Sebastian Airport (EAS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from UIO to EAS?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*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 San Sebastian Airport (EAS)?
To avoid potential delays on the Mariscal Sucre Intl. Airport (UIO) to San Sebastian Airport (EAS) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 San Sebastian Airport (EAS) last-minute?
Booking your flight from UIO to EAS right before your journey is usually more expensive. But if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book an UIO to EAS flight and hotel package?
You can save money by securing an UIO to EAS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Mariscal Sucre Intl. Airport (UIO) to San Sebastian Airport (EAS)?
If you booked your UIO to EAS flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Mariscal Sucre Intl.
Destination airport
San Sebastian
Roundtrip price
$967
Distance
5552 mi

Book with confidence

Book with confidence

Quito to San Sebastian Flights

The cheapest times to fly from Quito to San Sebastian

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

 

The best time to book a flight from Quito to San Sebastian

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

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 San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $663 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 San Sebastian 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 San Sebastian 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 San Sebastian Flights

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*Available to One Key members.