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Quito

$380+ Cheap flights from Seattle (SEA) to Quito (UIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UIO
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap flight deals from Seattle to Quito

Cheapest flights from Seattle to Quito
Explore the most affordable flight options available from Seattle to Quito. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.

This Avianca deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:59 am
SEA
-
UIO
2 stops14h 51m
Multiple Airlines
Fri 11/204:00 am
UIO
-
SEA
2 stops15h 56m
Multiple Airlines
Deal found 5/17$772
This Avianca deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:51 am
SEA
-
UIO
2 stops14h 59m
Multiple Airlines
Wed 11/114:00 am
UIO
-
SEA
2 stops15h 57m
Multiple Airlines
Deal found 5/13$774
This Avianca deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 am
SEA
-
UIO
1 stop21h 35m
Multiple Airlines
Mon 10/124:05 am
UIO
-
SEA
2 stops15h 28m
Multiple Airlines
Deal found 5/16$780
This Avianca deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:41 am
SEA
-
UIO
2 stops16h 14m
Multiple Airlines
Wed 10/144:45 am
UIO
-
SEA
2 stops15h 33m
Multiple Airlines
Deal found 5/17$794
This Justfly.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:25 am
SEA
-
UIO
1 stop18h 33m
LATAM Airlines
Wed 11/117:05 am
UIO
-
SEA
2 stops17h 53m
LATAM Airlines
Deal found 5/16$808
This Avianca deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:59 am
SEA
-
UIO
2 stops14h 51m
Multiple Airlines
Wed 11/115:05 am
UIO
-
SEA
2 stops18h 05m
Multiple Airlines
Deal found 5/17$811
This FlightHub deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:05 am
SEA
-
UIO
2 stops22h 35m
Multiple Airlines
Thu 9/175:00 pm
UIO
-
SEA
2 stops25h 11m
Multiple Airlines
Deal found 5/14$823
This Justfly.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:25 pm
SEA
-
UIO
2 stops27h 30m
Multiple Airlines
Wed 9/235:25 pm
UIO
-
SEA
1 stop19h 09m
Multiple Airlines
Deal found 5/17$826

Find flight deals from Seattle to Quito

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Quito (UIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 18, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$772
(Avianca)

One-way from

$380
(Avianca)

Popular in

December

Cheapest in

April

Average price

$971
Provider with most accurate pricing for Seattle/Tacoma Intl-Quito Mariscal Sucr flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Quito Mariscal Sucr flights.
Search Deals
From Seattle/Tacoma Intl to Quito Mariscal Sucr
Search Deals
One-way flight from Seattle/Tacoma Intl to Quito Mariscal Sucr
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Quito that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
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

Price

Cheapest round-trip

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Fri 10/2

9:27 am-6:35 am

1 stop19h 08m

Quito Mariscal Sucr

Thu 10/15

5:25 pm-10:35 am

1 stop19h 10m

$787

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Tue 8/11

11:59 pm-11:25 pm

1 stop21h 26m

Quito Mariscal Sucr

Sun 8/30

12:35 am-2:52 pm

1 stop16h 17m

$848

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Fri 7/24

11:49 pm-11:25 pm

1 stop21h 36m

Quito Mariscal Sucr

Tue 8/25

12:35 am-2:24 pm

2 stops15h 49m

$858
Quickest round-trip

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Fri 9/25

7:00 am-11:25 pm

1 stop14h 25m

Quito Mariscal Sucr

Mon 9/28

12:35 am-2:24 pm

2 stops15h 49m

$882
Cheapest one-way
Quickest one-way

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Thu 9/10

1:30 pm-1:05 pm

2 stops21h 35m

$380

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Sat 6/20

11:00 pm-4:51 pm

3 stops39h 51m

$397

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Fri 7/24

11:49 pm-11:25 pm

1 stop21h 36m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Sorted by cheapest first

Compare providers for flights from Seattle to Quito

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Quito in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Quito flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-Quito flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Seattle-Quito flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Quito flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Quito flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Quito

Have a flexible travel schedule? Discover the best time to fly to Quito from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Quito

How far ahead should I book a flight from Seattle to Quito?

The price you pay for your flight from Seattle to Quito may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Quito?

Currently, April is the cheapest month in which you can book a flight from Seattle to Quito (average of $790). Flying from Seattle to Quito in December is currently the most expensive (average of $1,285). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Seattle to Quito?

Reviews of airlines servicing Quito

Get insights into the airlines that provide service to Quito. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Quito. Reviews last updated May 18, 2026.
Get a feel of what it's like to fly with Delta,LATAM Airlines, andUnited Airlines from Seattle to Quito by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,447 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,447 reviews
Delta
7.9
Good
8,447 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
LATAM Airlines
7.4
Good
1,924 reviews
Delta
7.9
Good
8,447 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,737 reviews
Delta
7.9
Good
8,447 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,650 reviews
Delta
7.9
Good
8,447 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Seattle to Quito. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Quito?

    Airlines like United Airlines fly from Seattle to Quito in about 21h 26m. The time it takes to get you to your destination can typically vary by up to . The distance from Seattle to Quito is about 4210 mi.

  • What are the cheapest airlines flying from Seattle to Quito round-trip?

    Delta, at $237, was found to be the cheapest airline from Seattle to Quito.Alternate airlines to your destination round-trip include LATAM Airlines and American Airlines. These flights start at 74% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Quito one-way?

    To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at $359. Delta flights start at $383 while deals on United Airlines start at $384 one-way.

  • Can I find deals for flights from Seattle to Quito that include hotel bookings?

    Yes. In addition to deals on Seattle to Quito flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Quito?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Quito.

  • Can I find deals for business class flights from Seattle to Quito?

    Yes. Cheapflights offers flight deals from Seattle to Quito by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Quito?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Quito (average of $790). Flying from Seattle to Quito in December is currently the most expensive (average of $1,285). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Quito

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Quito flights
Portland to Guayaquil flights
Spokane to Quito flights

Top 4 airlines flying from Seattle to Quito

Discover the top 4 airlines that operate flights from Seattle to Quito. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$237Average$984FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$713Average$897FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$774Average$996FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$805Average$975FlexibilityNo cancel feeOn-time69%

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