Cheap Flights to Sierra from CA $140

View CA $140 flight on Sat, Oct. 11, 2025Opens 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 CA $140 for one-way flights and CA $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Wed, Oct. 29 - Fri, Oct. 31
UIO
Quito
CUE
Cuenca
CA $271 Roundtrip, found 4 days ago
CA $271
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Wed, Oct. 29 from Quito to Cuenca, returning Fri, Oct. 31, priced at CA $271 found 4 days ago
avianca
Sun, Feb. 1 - Tue, Feb. 10
UIO
Quito
CUE
Cuenca
CA $362 Roundtrip, found 1 hour ago
CA $362
Roundtrip
found 1 hour ago
Select avianca flight, departing Sun, Feb. 1 from Quito to Cuenca, returning Tue, Feb. 10, priced at CA $362 found 1 hour ago
Euroairlines
Sat, Dec. 20 - Mon, Dec. 22
UIO
Quito
LOH
Loja
CA $421 Roundtrip, found 5 days ago
CA $421
Roundtrip
found 5 days ago
Select Euroairlines flight, departing Sat, Dec. 20 from Quito to Loja, returning Mon, Dec. 22, priced at CA $421 found 5 days ago
Delta
Wed, Sep. 3 - Sat, Sep. 20
YYZ
Toronto
UIO
Quito
CA $627 Roundtrip, found 1 day ago
CA $627
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep. 3 from Toronto to Quito, returning Sat, Sep. 20, priced at CA $627 found 1 day ago
United
Sun, Nov. 23 - Sat, Feb. 7
YYZ
Toronto
UIO
Quito
CA $628 Roundtrip, found 3 hours ago
CA $628
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Nov. 23 from Toronto to Quito, returning Sat, Feb. 7, priced at CA $628 found 3 hours ago

Expedia.ca gives you the best tools to secure great deals on flights to Sierra. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Sierra. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Sierra.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Sierra flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Sierra.

Looking to save even more? Get additional savings by bundling your Sierra flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Sierra trip!

Frequently asked questions

How do I find cheap flights to Sierra that have flexible change policies?
We understand that travel arrangements can change from one minute to the next, so choosing a flexible fare with Expedia makes good sense. Simply tick the "No change fee" box directly below the "Flexible change policies" filter. Your low-cost, flexible flight to Sierra is just a few clicks away.
Which airlines fly to Sierra?
Decide on your vacation dates and then touch down in or near Sierra with one of these top airlines:

  • American Airlines - 52 flights to or near Sierra each month, including 52 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.
  • Delta - 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?
A great strategy for getting your hands on cheap fares is to be flexible with your dates. Start by searching for your flight to Sierra, then click on the "flexible dates" link to compare prices for nearby days. Another tip? Book ahead of time. To give you an idea of costs, CA $271 was the best price for a flight to Sierra in the last seven days.
How much is a flight to Sierra?
You could have picked up a round-trip airfare to Sierra from anywhere between CA $271 and CA $628 in the last seven days. For one-way journeys taking off from Quito (UIO), the lowest price during this time was just CA $140.
What are the most popular airports to fly into in Sierra?
Mariscal Sucre Intl. Airport (UIO) is the main jumping-off point for people hoping to visit Sierra. Roughly 169 monthly flights touch down here.
When is the cheapest time to fly to Sierra?
Flying on a Tuesday, followed by a Monday, is usually the best way to secure the cheapest deal. Avoid the weekends if you can, because Saturday is typically the most expensive day. Spend the cash you saved having a good time in Sierra instead!
How much is a plane ticket to Sierra?
In the last seven days, airfares to Sierra ranged between CA $271 and CA $628. Prices depend on the time of departure, airline, cabin class and how early you make your booking.
What months are the cheapest to book a flight to Sierra?
February is the most affordable month to lock in a seat for your Sierra escape. Tickets cost the most over December, so steer clear of this time if you can.
Flights to Sierra information
Destination airport
Mariscal Sucre Intl.
Destination airport IATA code
UIO
Destination city name
Quito
Roundtrip price
CA $626

Trending flights to Sierra

Prices were available within the past 7 days and start at CA $140 for one-way flights and CA $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep. 3 - Sat, Sep. 20
YYZ
Toronto
UIO
Quito
CA $627 Roundtrip, found 1 day ago
CA $627
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep. 3 from Toronto to Quito, returning Sat, Sep. 20, priced at CA $627 found 1 day ago
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