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Flights to Sierra, Ecuador from NT$24,257

View NT$9,503 flight on Sat, 2026/11/21Opens 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 NT$9,503 for one-way flights and NT$24,257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Sat, Nov 21 - Mon, Nov 30
ORD
Chicago
UIO
Quito
NT$24,257 Roundtrip, found 1 day ago
NT$24,257
Roundtrip
found 1 day ago
Select Aeromexico flight, departing Sat, Nov 21 from Chicago to Quito, returning Mon, Nov 30, priced at NT$24,257 found 1 day ago
American Airlines
Sat, Nov 21 - Mon, Nov 30
ORD
Chicago
UIO
Quito
NT$25,717 Roundtrip, found 1 day ago
NT$25,717
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 21 from Chicago to Quito, returning Mon, Nov 30, priced at NT$25,717 found 1 day ago
United
Sat, Nov 21 - Mon, Nov 30
ORD
Chicago
UIO
Quito
NT$28,506 Roundtrip, found 1 day ago
NT$28,506
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 21 from Chicago to Quito, returning Mon, Nov 30, priced at NT$28,506 found 1 day ago
Delta
Thu, Nov 19 - Sat, Nov 28
ORD
Chicago
UIO
Quito
NT$29,521 Roundtrip, found 1 day ago
NT$29,521
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Nov 19 from Chicago to Quito, returning Sat, Nov 28, priced at NT$29,521 found 1 day ago
avianca
Sat, Nov 21 - Mon, Nov 30
ORD
Chicago
UIO
Quito
NT$31,359 Roundtrip, found 1 day ago
NT$31,359
Roundtrip
found 1 day ago
Select avianca flight, departing Sat, Nov 21 from Chicago to Quito, returning Mon, Nov 30, priced at NT$31,359 found 1 day 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, NT$24,257 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 NT$24,257 and NT$56,360 in the last seven days. For one-way journeys leaving from Chicago (ORD), the lowest price during this period was NT$9,503.
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 NT$24,257 and NT$56,360. 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
Roundtrip price
NT$24,257

Trending flights to Sierra

Prices were available within the past 7 days and start at NT$9,503 for one-way flights and NT$24,257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Tue, Sep 22 - Thu, Oct 8
TPE
Taipei
UIO
Quito
NT$56,360 Roundtrip, found 6 days ago
NT$56,360
Roundtrip
found 6 days ago
Select China Airlines flight, departing Tue, Sep 22 from Taipei to Quito, returning Thu, Oct 8, priced at NT$56,360 found 6 days ago

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