$421 Cheap Flights from Quito (UIO) to San Antonio (SAT)

View $421 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Mariscal Sucre Intl. Airport (UIO) to San Antonio International Airport (SAT)

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Cheap Flights from Quito to San Antonio (UIO-SAT)

Prices were available within the past 7 days and start at $421 for one-way flights and $573 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jan 21 - Wed, Feb 4
UIO
Quito
SAT
San Antonio
$573 Roundtrip, found 2 days ago
$573
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jan 21 from Quito to San Antonio, returning Wed, Feb 4, priced at $573 found 2 days ago
United
Thu, Feb 12 - Sun, Feb 22
UIO
Quito
SAT
San Antonio
$577 Roundtrip, found 5 days ago
$577
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 12 from Quito to San Antonio, returning Sun, Feb 22, priced at $577 found 5 days ago
Delta
Wed, Jan 21 - Sun, Feb 8
UIO
Quito
SAT
San Antonio
$585 Roundtrip, found 2 days ago
$585
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jan 21 from Quito to San Antonio, returning Sun, Feb 8, priced at $585 found 2 days ago
Delta
Wed, Jan 21 - Sat, Feb 7
UIO
Quito
SAT
San Antonio
$589 Roundtrip, found 2 days ago
$589
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jan 21 from Quito to San Antonio, returning Sat, Feb 7, priced at $589 found 2 days ago
United
Wed, May 13 - Sun, May 31
UIO
Quito
SAT
San Antonio
$591 Roundtrip, found 6 days ago
$591
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 13 from Quito to San Antonio, returning Sun, May 31, priced at $591 found 6 days ago
Delta
Wed, May 13 - Sun, May 31
UIO
Quito
SAT
San Antonio
$593 Roundtrip, found 6 days ago
$593
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, May 13 from Quito to San Antonio, returning Sun, May 31, priced at $593 found 6 days ago
Delta
Fri, Jan 23 - Sun, Feb 8
UIO
Quito
SAT
San Antonio
$597 Roundtrip, found 2 days ago
$597
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 23 from Quito to San Antonio, returning Sun, Feb 8, priced at $597 found 2 days ago
Delta
Wed, Jan 21 - Fri, Feb 6
UIO
Quito
SAT
San Antonio
$598 Roundtrip, found 2 days ago
$598
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jan 21 from Quito to San Antonio, returning Fri, Feb 6, priced at $598 found 2 days ago
LATAM Airlines Group
Mon, May 11 - Thu, May 28
UIO
Quito
SAT
San Antonio
$612 Roundtrip, found 6 days ago
$612
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Mon, May 11 from Quito to San Antonio, returning Thu, May 28, priced at $612 found 6 days ago
American Airlines
Thu, Dec 11 - Mon, Jan 19
UIO
Quito
SAT
San Antonio
$726 Roundtrip, found 21 hours ago
$726
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Thu, Dec 11 from Quito to San Antonio, returning Mon, Jan 19, priced at $726 found 21 hours ago

Alternative airports near San Antonio

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

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $726
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $726
Flights from Quito (UIO) to San Antonio (SAT)
Origin airport
Mariscal Sucre Intl.
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta, LATAM Airlines Group, United
Roundtrip price
$572
Distance
2439 mi

Quito to San Antonio Flights

The cheapest times to fly from Quito to San Antonio

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

 

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

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

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 Antonio in 2026. You can also book with separate airlines for your outbound and return journeys, from $421 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 Antonio 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 Antonio 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 Mariscal Sucre Intl. Airport (UIO) to San Antonio Intl. Airport (SAT) cost?
Snag a cheap one-way flight from $421 or cheap return flight from $573 from Mariscal Sucre Intl. Airport (UIO) to San Antonio Intl. Airport (SAT) 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 Antonio Intl. Airport (SAT)?
Planning your getaway for January can help you save, as it's the cheapest month for flights between UIO and SAT. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Mariscal Sucre Intl. Airport (UIO) to San Antonio Intl. Airport (SAT)?
To find the cheapest airline flying from UIO to SAT, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Mariscal Sucre Intl. Airport (UIO) to San Antonio Intl. Airport (SAT)?
There aren't any daily nonstop flights departing from Mariscal Sucre Intl. Airport (UIO) to San Antonio Intl. Airport (SAT). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from UIO to SAT?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, carrier 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 Antonio Intl. Airport (SAT)?
To touch down at San Antonio Intl. Airport (SAT) on time, opt for a flight that leaves from Mariscal Sucre Intl. Airport (UIO) 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 Mariscal Sucre Intl. Airport (UIO) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from UIO to SAT are generally more expensive. To secure the lowest prices, start searching for flights early. That said, if your travel plans are flexible, you may find a cheap fare right before your journey.
Is it cheaper to book an UIO to SAT flight and hotel package?
Compared with arranging hotels and flights separately, booking an UIO to SAT flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Mariscal Sucre Intl. Airport (UIO) to San Antonio Intl. Airport (SAT)?
Generally, it's possible to reschedule or cancel your UIO to SAT flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.