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

Compare Seattle to Mariscal Sucre Quito International flight deals

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Flight deals from Seattle to Mariscal Sucre Quito International Airport

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 £722. 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 found£181
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 £429. 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 £429.
As of March 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 April.
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 Monday, 13 April 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 .

Flying from Seattle to Quito Mariscal Sucre International Airport (UIO): What you need to know

  • Quito Mariscal Sucre International Airport is located in Quito. The city operates on the UTC-5 timezone and is three hours ahead of Seattle.

  • Give yourself plenty of time to catch your flight from Seattle to UIO. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • July is a busy time to fly out. If you're taking off then or during a major holiday like Christmas or Thanksgiving, show up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • We make it simple to book cheap flights from Seattle to UIO that include a stopover. To explore your options leaving from Seattle-Tacoma International Airport (SEA), deselect 'Direct flights only.' Next, pick a flight offering a stop long enough to tour the city of your choice. Some popular stopovers between SEA and UIO include:

    • Atlanta Hartsfield-Jackson International Airport (ATL)

    • Houston George Bush Intercontinental Airport (IAH)

    • Miami International Airport (MIA)

  • Located around 23 kms (14 miles) from the centre of Seattle, SEA can be reached in about 25 minutes by car, depending on traffic. The journey by public transport will take roughly 35 minutes.

  • In search of a comfortable hotel close to Seattle-Tacoma International Airport? If you're catching an early flight from Seattle to Quito Mariscal Sucre International Airport, these accommodation options will have you sleeping moments from your departure lounge:

  • Seattle-Tacoma International Airport gets high marks for on-time performance. 81% of flights that depart SEA arrive at their destination on time.

Seattle Paine Field International Airport (PAE)

  • You can arrive at PAE from the centre of Seattle in approximately 40 minutes by car, depending on traffic. The ride by public transport takes roughly 1 hour 30 minutes to travel the 40 kms (25 miles) or so.

  • Want to treat yourself to an extra night away before boarding your Seattle to UIO flight? Relax in a hotel near Seattle Paine Field International Airport before your adventure officially begins. These stays have your key waiting:

  • Flights from Seattle Paine Field International Airport have a track record for punctuality, with 80% of them touching down as expected.

About Quito Mariscal Sucre International Airport (UIO)

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Seattle to Quito Mariscal Sucre International Airport. Make yourself comfy at one of these accommodation options near UIO instead:

  • Hit the road running by picking up a Quito Mariscal Sucre International Airport rental car. Grab a set of wheels from Europcar, Nazcar Rent a Car or Goldcar and explore beyond Quito's main sights.

  • For the best deal, reserve your ride around three weeks in advance of your Seattle to Quito Mariscal Sucre International Airport flight.

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

  • Central Quito is around 18 kms (11 miles) from Quito Mariscal Sucre International Airport and takes about 40 minutes to reach by car. Look into how to get from the airport to the city, whether that's with a car hire, taxi or ride-share.

  • If you're taking public transport, expect a journey of about 1 hour.

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

  • £181 is the best price for a one-way ticket from Seattle to Quito Mariscal Sucre International Airport. Return flights start at £429. These fares may change depending on availability and demand.

  • Booking in advance is often the key to finding a cheap flight from Seattle to UIO. Prices tend to rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • The 'Whole month' search tool will show you the cheapest Seattle to Quito Mariscal Sucre International Airport tickets across every month. It's a good way to snap up a bargain if your travel dates are flexible.

  • Snapping up a cheap plane ticket from Seattle to UIO is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as there's a price drop.

  • Filters make it easier to dig up a deal for your flight from Seattle to Quito Mariscal Sucre International Airport. Choose the departure times, carriers and stops that match your plans. Then sort the results by 'Cheapest' to find the best price quickly.

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

  • September is the quietest month for flights from Seattle to Quito Mariscal Sucre International Airport (UIO), while July is the most popular. Figure out the best time to visit Quito based on whether you want a laid-back vibe or a more bustling atmosphere.

  • When booking your Seattle to UIO plane ticket, consider the type of weather you enjoy. August is the warmest month in Quito, with temperatures ranging from 7ºC to 19ºC.

  • July sees temperatures of between 7ºC and 18ºC. Search for cheap tickets from Seattle to Quito Mariscal Sucre International Airport around that time if you like travelling in cooler conditions.

More about Quito

  • When it comes to searching for somewhere to rest your head, you'll find the best stays in Quito right here. Browse these hotels once you've locked in your flight from Seattle to Quito Mariscal Sucre International Airport:

  • There are so many things to see and do in this city, it can be tricky to know where to start. Free Walking Tour Quito, Quito Historic Centre and Catedral Metropolitana de Quito are top sights which should feature on any good Quito itinerary.

Explore more of Ecuador

  • Quito has plenty going for it, but there are so many other corners of Ecuador you should also see. Around 290 kms (180 miles) southwest of Quito, a visit to Guayaquil will keep your itinerary packed. Start with leading sights like Amazon Rainforest, Stella Maris Galapagos Luxury Yacht and Crystal Palace.

  • Around 274 kms (170 miles) west of Quito, Manta is another favourite stop in Ecuador. Experience the best of this destination with a visit to Playa de Tarqui, Las Malvinas Park and Miraflores Park.

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