Cheap flights from Seattle to Quito from $409
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Quito departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Seattle to Quito
Cheap round-trip flights
Cheap one-way flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.United Airlines flights from Seattle to Quito
Our best United Airlines deals on Seattle to Quito flight tickets
Delta flights from Seattle to Quito
Our best Delta deals on Seattle to Quito flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Seattle to Quito that are best for you.
Fly from
Fly to
Route
Depart
Return
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Thu 11/5
9:13 pm-3:00 am
3 stops26h 47m
Quito Mariscal Sucr
Wed 11/11
4:10 am-6:33 pm
2 stops17h 23m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Thu 11/5
9:13 pm-3:00 am
3 stops26h 47m
Quito Mariscal Sucr
Thu 11/12
6:55 pm-6:33 pm
3 stops26h 38m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Sun 11/15
11:40 pm-6:52 pm
2 stops16h 12m
Quito Mariscal Sucr
Wed 11/25
8:55 am-10:05 pm
1 stop16h 10m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Sun 11/15
11:40 pm-6:52 pm
2 stops16h 12m
Quito Mariscal Sucr
Wed 11/25
8:55 am-11:57 pm
2 stops18h 02m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Tue 11/17
7:05 am-12:30 am
1 stop14h 25m
Quito Mariscal Sucr
Mon 11/23
1:35 am-1:25 pm
1 stop14h 50m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Sun 11/15
6:35 pm-6:52 pm
2 stops21h 17m
Quito Mariscal Sucr
Wed 11/25
8:55 am-11:57 pm
2 stops18h 02m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Sun 11/15
6:35 pm-6:52 pm
2 stops21h 17m
Quito Mariscal Sucr
Tue 11/24
12:55 am-8:48 pm
1 stop22h 53m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Sat 10/31
8:50 pm-8:41 pm
1 stop21h 51m
Quito Mariscal Sucr
Wed 11/11
6:45 am-11:59 pm
1 stop20h 14m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Sat 10/31
12:34 am-10:36 pm
2 stops20h 02m
Quito Mariscal Sucr
Thu 11/12
6:45 am-9:35 pm
2 stops17h 50m
SeattleQuito
SEA Seattle/Tacoma Intl - UIO Quito Mariscal Sucr
SEAUIO
Seattle/Tacoma Intl
Sat 11/21
12:20 pm-12:30 am
3 stops57h 10m
Quito Mariscal Sucr
Tue 12/1
1:35 am-4:22 pm
2 stops17h 47m
See travel insights to Quito from
How to get the cheapest flight ticket from Seattle to Quito
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Seattle and Quito?
Prices are currently low for flights on this route.
Typical prices usually range from $873 to $1,400.The lowest price recently found on this route was $785.
What is the cheapest month to fly to Quito?
The cheapest month to fly to Quito from Seattle is in November. Flight prices, which tend to average around $815, are often lower during this time because this is during the off-season. If you aren’t able to travel to Quito during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $863.
How far in advance should I book a flight from Seattle to Quito?
You are more likely to see cheaper flights to Quito from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Quito for around $1,081 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Quito from Seattle for as low as $429 on momondo.
Can stopping save me money on Seattle to Quito flights?
You could potentially save up to 1% on your flight if you consider stops on a Seattle to Quito flight.
How have Seattle to Quito flight prices changed over time?
As of October 2026, prices for Seattle to Quito flights are approximately 86% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Quito Mariscal Sucr?
Aeromexico, Delta, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Quito Mariscal Sucr
What airlines fly to Quito?
United Airlines, LATAM Airlines and Delta are the top three most popular airlines that fly to Quito from Seattle according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Quito. Keep in mind that there are 4 different airlines that fly to Quito on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Seattle and Quito?
Atlanta (ATL) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Seattle to Quito?
Flights via Miami (MIA) offer the lowest average round-trip price of $752.
Which layover airport has the shortest travel time from Seattle to Quito?
Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 11h 16m.
Which layover airport has the shortest connection time from Seattle to Quito?
Atlanta (ATL) has the shortest average layover time for this route: 1h 47m.
When to book flights from Seattle to Quito
Cheap Seattle to Quito (SEA to UIO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Quito
Frequently asked questions about flying from Seattle to Quito
How far is Seattle/Tacoma Intl to Quito Mariscal Sucr by plane?
There are 4217.8 mi between Seattle/Tacoma Intl and Quito Mariscal Sucr. Flights usually cover this in 14h 08m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport?
As of October 2026, there are 4 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Quito Mariscal Sucr Airport.
What documentation or ID do you need to fly to Quito Mariscal Sucr Airport?
The required travel and health documents for your Quito Mariscal Sucr Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Quito Mariscal Sucr Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Seattle to Quito?
Based on momondo bookings for flights between Seattle and Quito, the leading airline is United Airlines, making up 46% of the total bookings. Other popular airlines include LATAM Airlines with 23%, Delta with 21%, and American Airlines with 11%.
Best airlines flying from Seattle to Quito
Compare and see reviews for airlines that fly from Seattle to Quito with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $470 | Free Cancellation | Rating 7.4 1,975 reviews | |||
| PriceFrom $752 | Free Cancellation | Rating 7.0 12,147 reviews | |||
| PriceFrom $805 | Free Cancellation | Rating 7.8 8,647 reviews | |||
| PriceFrom $808 | Free Cancellation | Rating 7.4 10,325 reviews |
Traveling to a place near Quito?
Book flights to Quito if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Quito?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Quito from Seattle.
Can I find flights from Seattle to Quito with flexible booking policies on momondo?
Flights from Seattle to Quito with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Seattle to Quito?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Quito from Seattle.
I’m not ready to book a flight from Seattle to Quito right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Quito from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.