Cheap Flights to Sierra from HK$690

View HK$690 flight on Thu, 14 May 2026Opens in a new window

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  • Copa

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Cheap round-trip flights to Sierra

Prices were available within the past 7 days and start at HK$690 for one-way flights and HK$1,382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Thu, 14 May - Wed, 20 May
GYE
Guayaquil
UIO
Quito
HK$1,382 Return, found 1 day ago
HK$1,382
Return
found 1 day ago
Select LATAM Airlines Group flight, departing Thu, 14 May from Guayaquil to Quito, returning Wed, 20 May, priced at HK$1,382 found 1 day ago
avianca
Thu, 14 May - Wed, 20 May
GYE
Guayaquil
UIO
Quito
HK$1,678 Return, found 1 day ago
HK$1,678
Return
found 1 day ago
Select avianca flight, departing Thu, 14 May from Guayaquil to Quito, returning Wed, 20 May, priced at HK$1,678 found 1 day ago
American Airlines
Sun, 26 Jul - Sun, 16 Aug
AMS
Amsterdam
UIO
Quito
HK$12,314 Return, found 18 hours ago
HK$12,314
Return
found 18 hours ago
Select American Airlines flight, departing Sun, 26 Jul from Amsterdam to Quito, returning Sun, 16 Aug, priced at HK$12,314 found 18 hours ago
Qatar Airways
Wed, 18 Nov - Fri, 27 Nov
HKG
Hong Kong SAR
UIO
Quito
HK$13,418 Return, found 6 days ago
HK$13,418
Return
found 6 days ago
Select Qatar Airways flight, departing Wed, 18 Nov from Hong Kong SAR to Quito, returning Fri, 27 Nov, priced at HK$13,418 found 6 days ago
Delta
Sun, 26 Jul - Sun, 16 Aug
AMS
Amsterdam
UIO
Quito
HK$13,864 Return, found 18 hours ago
HK$13,864
Return
found 18 hours ago
Select Delta flight, departing Sun, 26 Jul from Amsterdam to Quito, returning Sun, 16 Aug, priced at HK$13,864 found 18 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$1,382 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$1,382 and HK$13,864 in the last seven days. For one-way journeys leaving from Guayaquil (GYE), the lowest price during this period was HK$690.
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$1,382 and HK$13,864. 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 Lamar
Destination airport IATA code
CUE
Destination city name
Cuenca
Return price
HK$1,591

Trending flights to Sierra

Prices were available within the past 7 days and start at HK$690 for one-way flights and HK$1,382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Wed, 18 Nov - Fri, 27 Nov
HKG
Hong Kong SAR
UIO
Quito
HK$13,418 Return, found 6 days ago
HK$13,418
Return
found 6 days ago
Select Qatar Airways flight, departing Wed, 18 Nov from Hong Kong SAR to Quito, returning Fri, 27 Nov, priced at HK$13,418 found 6 days ago
*Available to Expedia members.