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$409+ Cheap flights from Quito (UIO) to Seattle (SEA)

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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Quito Mariscal Sucr to Seattle/Tacoma Intl are usually found in February or September, booked 21 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from Quito to Seattle

Cheapest flights from Quito to Seattle
Explore the most affordable flight options available from Quito to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 pmUIO - SEA
1 stop30h 05mMultiple Airlines
Mon 12/2912:25 amSEA - UIO
2 stops23h 25mMultiple Airlines
Deal found 12/9$977
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmUIO - SEA
1 stop19h 22mMultiple Airlines
Mon 12/2912:25 amSEA - UIO
2 stops23h 25mMultiple Airlines
Deal found 12/9$1,023
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 pmUIO - SEA
1 stop30h 05mMultiple Airlines
Tue 12/301:07 amSEA - UIO
2 stops37h 48mMultiple Airlines
Deal found 12/9$1,037
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmUIO - SEA
1 stop19h 22mMultiple Airlines
Mon 12/295:49 pmSEA - UIO
2 stops30h 01mMultiple Airlines
Deal found 12/9$1,046
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmUIO - SEA
1 stop30h 05mMultiple Airlines
Tue 12/301:07 amSEA - UIO
2 stops37h 48mMultiple Airlines
Deal found 12/9$1,082
This LATAM Airlines deal was found by Cheapflights users on 12/9. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 pmUIO - SEA
2 stops24h 54mLATAM Airlines
Mon 12/298:45 amSEA - UIO
1 stop17h 32mLATAM Airlines
Deal found 12/9$1,092
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 pmUIO - SEA
1 stop30h 05mMultiple Airlines
Thu 1/110:55 amSEA - UIO
2 stops23h 15mMultiple Airlines
Deal found 12/9$1,110
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 pmUIO - SEA
1 stop30h 05mMultiple Airlines
Sun 12/286:00 amSEA - UIO
2 stops32h 32mMultiple Airlines
Deal found 12/9$1,117
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmUIO - SEA
1 stop30h 05mMultiple Airlines
Thu 1/110:55 amSEA - UIO
2 stops23h 15mMultiple Airlines
Deal found 12/9$1,156
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmUIO - SEA
1 stop19h 22mMultiple Airlines
Sun 12/286:00 amSEA - UIO
2 stops32h 32mMultiple Airlines
Deal found 12/9$1,162
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmUIO - SEA
1 stop19h 22mMultiple Airlines
Fri 12/266:15 amSEA - UIO
2 stops35h 28mMultiple Airlines
Deal found 12/9$1,189
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:05 amUIO - SEA
2 stops35h 11mMultiple Airlines
Wed 12/318:00 amSEA - UIO
1 stop19h 55mMultiple Airlines
Deal found 12/9$1,191

Find flight deals from Quito to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Quito (UIO) to Seattle (SEA). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$617
(Kiwi.com)

One-way from

$409
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$839
Provider with most accurate pricing for Quito Mariscal Sucr-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Quito Mariscal Sucr-Seattle/Tacoma Intl flights.
Search Deals
From Quito Mariscal Sucr to Seattle/Tacoma Intl
Search Deals
One-way flight from Quito Mariscal Sucr to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quito to Seattle 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 December 12, 2025.
Use the filters below to find and compare flights from Quito to Seattle that are best for you.

Fly from

Quito

Fly to

Seattle

Route

Depart

Return

Price

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Sun 1/25

7:00 pm-10:29 pm

1 stop30h 29m

Seattle/Tacoma Intl

Sun 2/1

12:01 pm-2:50 am

2 stops35h 49m

$661

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 2/2

11:45 pm-10:07 am

1 stop13h 22m

Seattle/Tacoma Intl

Tue 2/24

6:05 am-9:35 pm

1 stop12h 30m

$672

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Fri 3/6

7:00 pm-5:09 pm

2 stops25h 09m

Seattle/Tacoma Intl

Sat 3/14

8:00 am-8:35 pm

2 stops34h 35m

$688

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Sun 1/25

11:45 pm-2:54 pm

2 stops18h 09m

Seattle/Tacoma Intl

Sun 2/1

8:15 am-5:17 am

2 stops18h 02m

$754

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 1/12

11:45 pm-10:09 am

1 stop13h 24m

Seattle/Tacoma Intl

Sat 1/17

7:35 am-5:17 am

1 stop18h 42m

$791

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Wed 2/4

6:45 pm-9:35 pm

2 stops29h 50m

Seattle/Tacoma Intl

Sun 2/8

10:59 pm-11:00 pm

2 stops21h 01m

$807

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Wed 12/24

7:00 pm-10:05 pm

1 stop30h 05m

Seattle/Tacoma Intl

Mon 12/29

12:25 am-2:50 am

2 stops23h 25m

$977

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 12/22

10:05 am-6:16 pm

2 stops35h 11m

Seattle/Tacoma Intl

Wed 12/31

8:00 am-6:55 am

1 stop19h 55m

$1,191

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 12/23

8:00 am-11:08 pm

2 stops18h 08m

Seattle/Tacoma Intl

Wed 12/31

8:57 am-6:10 am

2 stops18h 13m

$1,242

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Fri 12/26

1:35 am-10:52 pm

1 stop24h 17m

Seattle/Tacoma Intl

Fri 1/2

11:59 pm-12:30 am

1 stop21h 31m

$1,302

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 results
1
2

Compare providers for flights from Quito to Seattle

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 Quito to Seattle in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 Quito-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Quito-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Quito-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Quito-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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 Quito-Seattle 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 Quito to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Quito 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 Quito to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Quito to Seattle. Price data was last updated on December 5, 2025.

The price you pay for your flight from Quito to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 21 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 Quito to Seattle?

Currently, May is the cheapest month in which you can book a flight from Quito to Seattle (average of $358). Flying from Quito to Seattle in July is currently the most expensive (average of $699). 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.

What is the cheapest time of day to fly from UIO to SEA?

Find hourly flight availability from Quito to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Quito to Seattle at noon. Doing so could potentially save you 36% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 12, 2025.
See what other customers who have flown with LATAM Airlines from Quito to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,887 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
LATAM Airlines
7.5
Good
1,887 reviews
LATAM Airlines
7.5
Good
1,887 reviews

Boarding

7.6

Entertainment

7.0

Comfort

7.4

Crew

8.1

Overall

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP

Related info for your journey

Find useful and relevant information for your journey from Quito to Seattle. 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 Quito to Seattle?

    Departing from Quito to Seattle will take you 13h 22m. Airlines will cover a distance of 4210 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Quito to Seattle round-trip?

    Our cheapest airline available from Quito to Seattle is LATAM Airlines. Our recent data shows that you can find tickets from as low as $671 on this airline. You may be able to fly from Quito to Seattle for 13% less than the average price by searching for this airline.

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

    The cheapest airlines for a one-way flight from Quito to Seattle are Delta ($371), United Airlines ($412), and LATAM Airlines ($425).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Quito to Seattle 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 Quito to Seattle?

    Currently, May is the cheapest month in which you can book a flight from Quito to Seattle (average of $358). Flying from Quito to Seattle in July is currently the most expensive (average of $699). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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Alternative routes for Quito to Seattle

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

Top airline flying from Quito to Seattle

Discover the top airline that operate flights from Quito to Seattle. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$671Average$768FlexibilityNo cancel feeOn-time81%

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