$353 Cheap Flights from Tucson (TUS) to Quito (UIO)

View $353 flight on Mon, Sep 22, 2025Opens in a new window

Popular airlines from Tucson International Airport (TUS) to Mariscal Sucre Intl. Airport (UIO)

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Cheap Flights from Tucson to Quito (TUS-UIO)

Prices were available within the past 7 days and start at $353 for one-way flights and $544 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Feb 9 - Thu, Feb 19
TUS
Tucson
UIO
Quito
$544 Roundtrip, found 5 days ago
$544
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Feb 9 from Tucson to Quito, returning Thu, Feb 19, priced at $544 found 5 days ago
Delta
Tue, Feb 3 - Thu, Feb 19
TUS
Tucson
UIO
Quito
$548 Roundtrip, found 5 days ago
$548
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Feb 3 from Tucson to Quito, returning Thu, Feb 19, priced at $548 found 5 days ago
American Airlines
Thu, Feb 5 - Tue, Feb 17
TUS
Tucson
UIO
Quito
$549 Roundtrip, found 6 days ago
$549
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Feb 5 from Tucson to Quito, returning Tue, Feb 17, priced at $549 found 6 days ago
United
Mon, Feb 16 - Mon, Mar 2
TUS
Tucson
UIO
Quito
$553 Roundtrip, found 5 days ago
$553
Roundtrip
found 5 days ago
Select United flight, departing Mon, Feb 16 from Tucson to Quito, returning Mon, Mar 2, priced at $553 found 5 days ago
United
Mon, Mar 30 - Fri, Apr 17
TUS
Tucson
UIO
Quito
$554 Roundtrip, found 5 days ago
$554
Roundtrip
found 5 days ago
Select United flight, departing Mon, Mar 30 from Tucson to Quito, returning Fri, Apr 17, priced at $554 found 5 days ago
United
Sat, Feb 21 - Thu, Mar 5
TUS
Tucson
UIO
Quito
$554 Roundtrip, found 5 days ago
$554
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 21 from Tucson to Quito, returning Thu, Mar 5, priced at $554 found 5 days ago
Delta
Mon, Feb 9 - Tue, Feb 10
TUS
Tucson
UIO
Quito
$557 Roundtrip, found 5 days ago
$557
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Feb 9 from Tucson to Quito, returning Tue, Feb 10, priced at $557 found 5 days ago
Delta
Tue, Feb 3 - Fri, Feb 13
TUS
Tucson
UIO
Quito
$558 Roundtrip, found 5 days ago
$558
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Feb 3 from Tucson to Quito, returning Fri, Feb 13, priced at $558 found 5 days ago
United
Sat, Feb 14 - Wed, Feb 25
TUS
Tucson
UIO
Quito
$563 Roundtrip, found 5 days ago
$563
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 14 from Tucson to Quito, returning Wed, Feb 25, priced at $563 found 5 days ago
LATAM Airlines Group
Wed, Apr 1 - Sun, Apr 19
TUS
Tucson
UIO
Quito
$594 Roundtrip, found 5 days ago
$594
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Wed, Apr 1 from Tucson to Quito, returning Sun, Apr 19, priced at $594 found 5 days ago

Frequently asked questions

How much does a flight from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO) cost?
Grab a cheap one-way flight from $353 or cheap return flight from $544 from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO)?
Flying in February is a great way to save, as it's the cheapest month for flights between TUS and UIO. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from TUS to UIO. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO)?
Direct flights from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TUS to UIO?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO)?
To reach Mariscal Sucre Intl. Airport (UIO) without delays, opt for a flight that takes off from Tucson Intl. Airport (TUS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO) last-minute?
Last-minute fares from TUS to UIO are typically more expensive. For the cheapest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a TUS to UIO flight and hotel package?
Booking a TUS to UIO flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tucson Intl. Airport (TUS) to Mariscal Sucre Intl. Airport (UIO)?
Usually, it's possible to cancel or reschedule your TUS to UIO flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Tucson Intl.
Destination airport
Mariscal Sucre Intl.
Airlines serving
American Airlines, Delta, LATAM Airlines Group, United
Roundtrip price
$543
Distance
3078 mi

Book with confidence

Book with confidence

Tucson to Quito Flights

The cheapest times to fly from Tucson to Quito

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Tucson to Quito are during the month of February. You can find some of the cheapest flights from Tucson to Quito with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tucson to Quito

Sunday is one of the best days to book for cheap flights from Tucson to Quito: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Tucson to Quito

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Tucson to Quito in 2025. You can also book with separate airlines for your outbound and return journeys, from $353 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Tucson to Quito flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Tucson to Quito airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Tucson to Quito Flights

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*Available to One Key members.