Cheap Flights to Sierra from HK$2,576

View HK$2,576 flight on Tue, 16 Jun 2026Opens in a new window

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  • United

  • Copa

  • Air Canada

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Cheap round-trip flights to Sierra

Prices were available within the past 7 days and start at HK$2,576 for one-way flights and HK$5,067 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Tue, 16 Jun - Fri, 26 Jun
EZE
Buenos Aires
UIO
Quito
HK$5,067 Return, found 23 hours ago
HK$5,067
Return
found 23 hours ago
Select LATAM Airlines Group flight, departing Tue, 16 Jun from Buenos Aires to Quito, returning Fri, 26 Jun, priced at HK$5,067 found 23 hours ago
avianca
Tue, 16 Jun - Fri, 26 Jun
EZE
Buenos Aires
UIO
Quito
HK$5,281 Return, found 23 hours ago
HK$5,281
Return
found 23 hours ago
Select avianca flight, departing Tue, 16 Jun from Buenos Aires to Quito, returning Fri, 26 Jun, priced at HK$5,281 found 23 hours ago
Copa
Tue, 16 Jun - Fri, 26 Jun
EZE
Buenos Aires
UIO
Quito
HK$6,498 Return, found 23 hours ago
HK$6,498
Return
found 23 hours ago
Select Copa flight, departing Tue, 16 Jun from Buenos Aires to Quito, returning Fri, 26 Jun, priced at HK$6,498 found 23 hours ago
Delta
Sun, 8 Nov - Thu, 12 Nov
MUC
Munich
UIO
Quito
HK$7,458 Return, found 18 hours ago
HK$7,458
Return
found 18 hours ago
Select Delta flight, departing Sun, 8 Nov from Munich to Quito, returning Thu, 12 Nov, priced at HK$7,458 found 18 hours ago
Air Canada
Tue, 8 Dec - Sun, 27 Dec
MUC
Munich
UIO
Quito
HK$9,049 Return, found 5 days ago
HK$9,049
Return
found 5 days ago
Select Air Canada flight, departing Tue, 8 Dec from Munich to Quito, returning Sun, 27 Dec, priced at HK$9,049 found 5 days 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, HK$5,067 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 HK$5,067 and HK$13,430 in the last seven days. For one-way journeys leaving from Buenos Aires (EZE), the lowest price during this period was HK$2,576.
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 HK$5,067 and HK$13,430. 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.

Travel information

Destination airport
Mariscal Sucre Intl.
Destination airport IATA code
UIO
Destination city name
Quito
Return price
HK$5,067

Trending flights to Sierra

Prices were available within the past 7 days and start at HK$2,576 for one-way flights and HK$5,067 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Tue, 23 Feb - Tue, 16 Mar
HKG
Hong Kong SAR
UIO
Quito
HK$13,430 Return, found 2 days ago
HK$13,430
Return
found 2 days ago
Select LATAM Airlines Group flight, departing Tue, 23 Feb from Hong Kong SAR to Quito, returning Tue, 16 Mar, priced at HK$13,430 found 2 days ago
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