$980 Cheap Flights from Quito (UIO) to Sofia (SOF)

View $980 flight on Sat, Apr 18, 2026Opens in a new window

Popular airlines from Mariscal Sucre Intl. Airport (UIO) to Sofia Airport (SOF)

Cheap Flights from Quito to Sofia (UIO-SOF)

Prices were available within the past 7 days and start at $980 for one-way flights and $1,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,400 Roundtrip, found 3 days ago
$1,400
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,400 found 3 days ago
United
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,402 Roundtrip, found 3 days ago
$1,402
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,402 found 3 days ago
Air Europa
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,436 Roundtrip, found 3 days ago
$1,436
Roundtrip
found 3 days ago
Select Air Europa flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,436 found 3 days ago
Air Europa
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,496 Roundtrip, found 3 days ago
$1,496
Roundtrip
found 3 days ago
Select Air Europa flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,496 found 3 days ago
United
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,530 Roundtrip, found 3 days ago
$1,530
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,530 found 3 days ago
United
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,533 Roundtrip, found 3 days ago
$1,533
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,533 found 3 days ago
Air Europa
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,607 Roundtrip, found 3 days ago
$1,607
Roundtrip
found 3 days ago
Select Air Europa flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,607 found 3 days ago
KLM
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,828 Roundtrip, found 3 days ago
$1,828
Roundtrip
found 3 days ago
Select KLM flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,828 found 3 days ago
Delta
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$1,839 Roundtrip, found 3 days ago
$1,839
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $1,839 found 3 days ago
Iberia
Sat, Apr 18 - Wed, Apr 22
UIO
Quito
SOF
Sofia
$2,159 Roundtrip, found 3 days ago
$2,159
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Apr 18 from Quito to Sofia, returning Wed, Apr 22, priced at $2,159 found 3 days ago
Flights from Quito (UIO) to Sofia (SOF)
Origin airport
Mariscal Sucre Intl.
Destination airport
Sofia
Roundtrip price
$1,399
Distance
6819 mi

Quito to Sofia Flights

The cheapest times to fly from Quito to Sofia

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

 

The best time to book a flight from Quito to Sofia

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

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 Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $980 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 Sofia 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 Sofia 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 Sofia Airport (SOF) cost?
Snag a cheap one-way flight from $980 or cheap return flight from $1,400 from Mariscal Sucre Intl. Airport (UIO) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Mariscal Sucre Intl. Airport (UIO) to Sofia Airport (SOF)?
Planning your getaway for April can help you save, as it's the cheapest month for flights between UIO and SOF. 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 Sofia Airport (SOF)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from UIO to SOF. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Mariscal Sucre Intl. Airport (UIO) to Sofia Airport (SOF)?
Direct flights from Mariscal Sucre Intl. Airport (UIO) to Sofia Airport (SOF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from UIO to SOF?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various factors, including the time of year and airline.*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 Sofia Airport (SOF)?
Opt for a flight from Mariscal Sucre Intl. Airport (UIO) to Sofia Airport (SOF) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour 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 Sofia Airport (SOF) last-minute?
Waiting until just before your departure to book a ticket from UIO to SOF generally means paying more. Although you may find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book an UIO to SOF flight and hotel package?
Booking an UIO to SOF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle it all 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 Sofia Airport (SOF)?
Generally, it's possible to cancel or reschedule your UIO to SOF flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.