Cheap Flights to Sierra from HK$1,374

View HK$1,374 flight on Thu, 2 Apr 2026Opens in a new window

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Cheap round-trip flights to Sierra

Prices were available within the past 7 days and start at HK$1,374 for one-way flights and HK$3,237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Thu, 2 Apr - Tue, 7 Apr
CUN
Cancun
UIO
Quito
HK$3,237 Return, found 1 day ago
HK$3,237
Return
found 1 day ago
Select Aeromexico flight, departing Thu, 2 Apr from Cancun to Quito, returning Tue, 7 Apr, priced at HK$3,237 found 1 day ago
Copa
Thu, 2 Apr - Tue, 7 Apr
CUN
Cancun
UIO
Quito
HK$3,617 Return, found 1 day ago
HK$3,617
Return
found 1 day ago
Select Copa flight, departing Thu, 2 Apr from Cancun to Quito, returning Tue, 7 Apr, priced at HK$3,617 found 1 day ago
LATAM Airlines Group
Thu, 2 Apr - Tue, 7 Apr
CUN
Cancun
UIO
Quito
HK$6,600 Return, found 1 day ago
HK$6,600
Return
found 1 day ago
Select LATAM Airlines Group flight, departing Thu, 2 Apr from Cancun to Quito, returning Tue, 7 Apr, priced at HK$6,600 found 1 day ago
Delta
Mon, 14 Sept - Wed, 21 Oct
LHR
London
UIO
Quito
HK$7,753 Return, found 21 hours ago
HK$7,753
Return
found 21 hours ago
Select Delta flight, departing Mon, 14 Sept from London to Quito, returning Wed, 21 Oct, priced at HK$7,753 found 21 hours ago
American Airlines
Mon, 14 Sept - Wed, 21 Oct
LHR
London
UIO
Quito
HK$8,414 Return, found 21 hours ago
HK$8,414
Return
found 21 hours ago
Select American Airlines flight, departing Mon, 14 Sept from London to Quito, returning Wed, 21 Oct, priced at HK$8,414 found 21 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, HK$3,237 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$3,237 and HK$12,927 in the last seven days. For one-way journeys leaving from Cancun (CUN), the lowest price during this period was HK$1,374.
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$3,237 and HK$12,927. 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$3,237

Trending flights to Sierra

Prices were available within the past 7 days and start at HK$1,374 for one-way flights and HK$3,237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Thu, 26 Feb - Tue, 17 Mar
HKG
Hong Kong SAR
UIO
Quito
HK$12,927 Return, found 1 day ago
HK$12,927
Return
found 1 day ago
Select Qatar Airways flight, departing Thu, 26 Feb from Hong Kong SAR to Quito, returning Tue, 17 Mar, priced at HK$12,927 found 1 day ago
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