£344 Cheap Flights to Sierra

View £344 flight on Wed, 20 May 2026Opens in a new window

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  • American Airlines

  • Delta

  • United

  • Air Canada

  • Copa

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Cheap round-trip flights to Sierra

Prices were available within the past 7 days and start at £344 for one-way flights and £732 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 4 Feb - Sun, 14 Feb
LHR
London
UIO
Quito
£732 Return, found 6 days ago
£732
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Feb from London to Quito, returning Sun, 14 Feb, priced at £732 found 6 days ago
Delta
Fri, 11 Sept - Tue, 29 Sept
LHR
London
UIO
Quito
£750 Return, found 2 hours ago
£750
Return
found 2 hours ago
Select Delta flight, departing Fri, 11 Sept from London to Quito, returning Tue, 29 Sept, priced at £750 found 2 hours ago
American Airlines
Fri, 25 Sept - Sun, 11 Oct
LGW
London
UIO
Quito
£794 Return, found 2 days ago
£794
Return
found 2 days ago
Select American Airlines flight, departing Fri, 25 Sept from London to Quito, returning Sun, 11 Oct, priced at £794 found 2 days ago
Air Europa
Mon, 18 May - Sat, 20 Jun
LGW
London
UIO
Quito
£864 Return, found 6 hours ago
£864
Return
found 6 hours ago
Select Air Europa flight, departing Mon, 18 May from London to Quito, returning Sat, 20 Jun, priced at £864 found 6 hours ago
avianca
Mon, 21 Sept - Tue, 6 Oct
LHR
London
UIO
Quito
£900 Return, found 2 days ago
£900
Return
found 2 days ago
Select avianca flight, departing Mon, 21 Sept from London to Quito, returning Tue, 6 Oct, priced at £900 found 2 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, £732 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 £732 and £900 in the last seven days. For one-way journeys leaving from London (LGW), the lowest price during this period was £344.
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 £732 and £900. 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
£138

Trending flights to Sierra

Prices were available within the past 7 days and start at £344 for one-way flights and £732 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 4 Feb - Sun, 14 Feb
LHR
London
UIO
Quito
£732 Return, found 6 days ago
£732
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Feb from London to Quito, returning Sun, 14 Feb, priced at £732 found 6 days ago

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