C$294 Cheap Flights from Seattle (SEAA) to Mariscal Sucre Quito International (UIO)

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Flight deals from Seattle to Mariscal Sucre Quito International

Looking for a cheap last-minute deal or the best return flight from Seattle to Mariscal Sucre Quito International Airport? If you want to travel next month, return fares start from C$849. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Mariscal Sucre Quito International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Mariscal Sucre Quito International flights are currently cheapest in May.

Seattle to Mariscal Sucre Quito International: Alternative routes

Compare routes from Seattle to Quito below. You may find an airport to fly into that's cheaper, faster, or easier than Mariscal Sucre Quito International.

Seattle to Quito: Flight information

The things to know before you go.
Cheapest flight foundC$294
Cheapest month to flyMay

Finding cheap flights from Seattle to Mariscal Sucre Quito International: Frequently asked questions

The best price we found for a return flight from Seattle to Mariscal Sucre Quito International is C$849. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Mariscal Sucre Quito International. But we found flights with one stop from C$849.
As of April 2026, there are no flights flying from Seattle to Mariscal Sucre Quito International.
The cheapest month to fly from Seattle to Mariscal Sucre Quito International is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Mariscal Sucre Quito International Airport on Friday, May 15, 2026.
No airlines currently offer direct flights between Seattle and Mariscal Sucre Quito International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Mariscal Sucre Quito International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Quito is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Mariscal Sucre Quito International is Frontier Airlines .

Travelling from Seattle to Mariscal Sucre International Airport (UIO): what you need to know

  • There are a couple of main airports you can take off from in Seattle. Explore your options leaving from Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base (LKE) when booking your flight from Seattle to Mariscal Sucre International Airport (UIO).

  • Quito is 2 hours ahead of Seattle. Mariscal Sucre International Airport is located in Quito, which operates on the UTC-5 timezone.

  • Get to the airport on time so you don't miss your flight from Seattle to UIO. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • With more travellers during busy periods like July, be at your terminal even earlier. Two hours for domestic flights and as much as four for international journeys will help you deal with any delays. Remember things also get busy during major holidays like Christmas and local events or festivals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Stopovers are the ideal opportunity to break up your journey — and possibly even explore another city. When searching for flights from Seattle to UIO departing from Seattle-Tacoma International Airport (SEA), uncheck the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:

    • George Bush Intercontinental Airport (IAH)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Miami International Airport (MIA)

  • From the centre of Seattle, SEA is around 23 kilometres away. Visit the official airport website or use navigation apps to find the best way to get there.

  • Want an easy start to your trip? Stay near Seattle-Tacoma International Airport. Whether you're taking an early flight from Seattle to Mariscal Sucre International Airport or just don't like being rushed, these hotels are ideal:

Lake Union Sea Plane Base (LKE)

About Mariscal Sucre International Airport (UIO)

Getting from Mariscal Sucre International Airport (UIO) to central Quito

  • From Mariscal Sucre International Airport, Quito is approximately 40 kilometres away. It takes around 45 minutes to reach the centre driving.

  • It'll take around 2 hours and 11 minutes to get there using public transport.

How to find the cheapest flights from Seattle to Mariscal Sucre International Airport (UIO)

  • The lowest price we've found for a one-way ticket from Seattle to Mariscal Sucre International Airport is C$294. The cheapest price for a return flight is C$849. Keep in mind fares can change due to demand at the time of booking.

  • Don't leave everything to the last moment. You're more likely to get flight tickets from Seattle to UIO if you book ahead. Airlines often offer some great early bird rates.

  • Use the 'Whole month' search tool and compare the prices of tickets from Seattle to Mariscal Sucre International Airport across each month. We've highlighted the lowest fares in green, so you can easily choose a flight within your budget.

  • Locking in a cheap ticket from Seattle to UIO is easy with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as the price has fallen.

  • Tailor your flights with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Seattle to Mariscal Sucre International Airport.

The best time to fly from Seattle to Mariscal Sucre International Airport (UIO)

  • August is the most popular month to hop on a flight from Seattle to Mariscal Sucre International Airport while April is the quietest. To work out the ideal time to visit Quito, consider the pace you like to travel at.

  • Schedule your flight from Seattle to UIO for August if you're eager to head to the city during its warmest month. You can expect temperatures in Quito to range from 7ºC to 19ºC.

  • Travel in July if you want to explore when it's cooler. Temperatures average between 7ºC and 18ºC. However, this destination promises a good time whenever you book your cheap flights from Seattle to Mariscal Sucre International Airport.

More about Quito

  • Once you've booked your flight from Seattle to Mariscal Sucre International Airport, think about where to rest your head in this city. Make one of these accommodation options your base for exploring Quito:

  • Quito Old Town and Basilica del Voto Nacional are just a couple of the top-rated attractions to put on your Quito itinerary. Keep the momentum going by heading to El Panecillo.

Complete your Quito trip with a car rental

  • Once you've locked in your hotel and cheap flight from Seattle to Mariscal Sucre International Airport, the next step is choosing one of our car rentals in Quito. Explore the offers and instantly compare options on price, pick-up convenience, and more.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.