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Cheap Flights to Sierra

View ₩615,500 flight on Fri, Jun 19, 2026Opens in a new window

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How much is the cheapest flight to Sierra?

Prices were available within the past 7 days and start at ₩615,500 for one-way flights and ₩1,177,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jun 19 - Fri, Jun 26
BWI
Baltimore
CUE
Cuenca
₩1,177,500 Roundtrip, found 6 hours ago
₩1,177,500
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Jun 19 from Baltimore to Cuenca, returning Fri, Jun 26, priced at ₩1,177,500 found 6 hours ago
United
Fri, Jun 19 - Fri, Jun 26
BWI
Baltimore
CUE
Cuenca
₩1,281,100 Roundtrip, found 6 hours ago
₩1,281,100
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Jun 19 from Baltimore to Cuenca, returning Fri, Jun 26, priced at ₩1,281,100 found 6 hours ago
United
Fri, Jun 19 - Fri, Jun 26
BWI
Baltimore
CUE
Cuenca
₩1,396,900 Roundtrip, found 6 hours ago
₩1,396,900
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Jun 19 from Baltimore to Cuenca, returning Fri, Jun 26, priced at ₩1,396,900 found 6 hours ago
LATAM Airlines Group
Fri, Jun 19 - Fri, Jun 26
BWI
Baltimore
CUE
Cuenca
₩1,614,900 Roundtrip, found 6 hours ago
₩1,614,900
Roundtrip
found 6 hours ago
Select LATAM Airlines Group flight, departing Fri, Jun 19 from Baltimore to Cuenca, returning Fri, Jun 26, priced at ₩1,614,900 found 6 hours ago
Delta
Fri, Jun 19 - Fri, Jun 26
BWI
Baltimore
CUE
Cuenca
₩4,161,000 Roundtrip, found 6 hours ago
₩4,161,000
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Jun 19 from Baltimore to Cuenca, returning Fri, Jun 26, priced at ₩4,161,000 found 6 hours ago

Frequently asked questions

How do I find cheap flights to Sierra that have flexible change policies?
At Expedia, we've been channeling our inner yogi to give you the most flexible fares on the market. Just check the "No change fee" box directly below the "Flexible change policies" heading to find your dream flight to Sierra.
Which airlines fly to Sierra?
Dig out your passport, pack your bags and select from these quality airlines that service Sierra:

  • American Airlines - 60 flights to or near Sierra each month, including 60 flights to Mariscal Sucre Intl. Airport (UIO) per month.
  • LATAM Airlines - 30 flights to or near Sierra each month, including 30 flights to Mariscal Sucre Intl. Airport (UIO) per month.
  • United Airlines - 30 flights to or near Sierra each month, including 30 flights to Mariscal Sucre Intl. Airport (UIO) per month.

How can I find cheap tickets to Sierra?
To get your hands on a great deal to Sierra, book well ahead of time. Also use Expedia's "flexible dates" feature at the top of your search results. This will list the cheapest prices for similar time frames. In the last seven days, ₩1,177,500 was the best price for a flight to Sierra.
How much is a flight to Sierra?
You could have nabbed a round-trip airfare to Sierra from anywhere between ₩1,177,500 and ₩4,161,000 in the last seven days. For one-way journeys leaving from Baltimore (BWI), the lowest price during this period was ₩615,500.
What are the most popular airports to fly into in Sierra?
A major entryway to Sierra, around 203 flights touch down at Mariscal Sucre Intl. Airport (UIO) every month. Search for an awesome deal, reserve your fare and get set to enjoy the best of this wonderful region.
When is the cheapest time to fly to Sierra?
Depart for Sierra earlier in the week and you'll usually be rewarded with lower-priced fares. Tuesday is known for being the cheapest day to get on a plane, followed by Monday. If you'd like to avoid the priciest flights, keep clear of Saturdays.
How much is a plane ticket to Sierra?
In the last seven days, fares to Sierra varied between ₩1,177,500 and ₩4,161,000. Prices rise as your travel date nears, so land yourself an awesome deal today.
What months are the cheapest to book a flight to Sierra?
The perfect month to purchase affordable fares to Sierra is February. Remember that in the United States, an expensive time to book a ticket is the busy month of December.

Book with confidence

Searching for cheap flights to Sierra? No travel company presents more choices than Expedia if you're looking to compare flights to Sierra. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Ecuador. Expedia provides the cheapest flights to many destinations in Ecuador and you may find even greater savings if you combine your flight with a hotel stay in Sierra.

Travel information

Destination airport
Mariscal Sucre Intl.
Destination airport IATA code
UIO
Destination city name
Quito
Roundtrip price
₩655,800

Trending flights to Sierra

Prices were available within the past 7 days and start at ₩615,500 for one-way flights and ₩1,177,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, Dec 23 - Tue, Feb 16
ICN
Seoul
UIO
Quito
₩2,741,100 Roundtrip, found 6 days ago
₩2,741,100
Roundtrip
found 6 days ago
Select Korean Air flight, departing Wed, Dec 23 from Seoul to Quito, returning Tue, Feb 16, priced at ₩2,741,100 found 6 days ago
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