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$391+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Quito Mariscal Sucr to Seattle/Tacoma Intl are usually found in October or November, booked 18 days in advance, depart on a Friday or Monday and return on a Monday

Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$671
(United Airlines)

One-way from

$391
(Avianca)

Popular in

July

Cheapest in

October

Average price

$725
Provider with most accurate pricing for Quito Mariscal Sucr-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Quito Mariscal Sucr-Seattle/Tacoma Intl flights.
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From Quito Mariscal Sucr to Seattle/Tacoma Intl
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One-way flight from Quito Mariscal Sucr to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 9% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:35 amUIO - SEA
3 stops46h 19mUnited Airlines
Wed 10/1512:59 pmSEA - UIO
2 stops32h 26mUnited Airlines
Deal found 3/25$671
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:40 amUIO - SEA
2 stops15h 56mAmerican Airlines
Wed 9/245:40 amSEA - UIO
2 stops15h 10mAmerican Airlines
Deal found 3/26$699
This LATAM Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 9/157:09 pmUIO - SEA
2 stops26h 41mLATAM Airlines
Wed 10/1511:55 pmSEA - UIO
2 stops21h 25mLATAM Airlines
Deal found 3/26$744
This Avianca deal was found by Cheapflights users on 3/26. 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 7/115:15 pmUIO - SEA
1 stop18h 58mMultiple Airlines
Fri 7/2511:06 amSEA - UIO
1 stop17h 39mMultiple Airlines
Deal found 3/26$794
This StudentUniverse deal was found by Cheapflights users on 3/25. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/91:40 amUIO - SEA
2 stops22h 17mCopa Airlines
Sat 5/175:40 pmSEA - UIO
2 stops21h 50mCopa Airlines
Deal found 3/25$813
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/152:30 amUIO - SEA
2 stops22h 13mAvianca
Mon 4/2111:45 pmSEA - UIO
2 stops22h 49mAvianca
Deal found 3/27$823
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1111:20 pmUIO - SEA
1 stop26h 29mDelta
Tue 5/204:00 pmSEA - UIO
1 stop26h 00mDelta
Deal found 3/26$839

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 March 28, 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 9/14

12:35 am-10:42 pm

1 stop24h 07m

Seattle/Tacoma Intl

Wed 10/15

2:25 pm-11:25 pm

1 stop31h 00m

$671

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Wed 9/17

6:40 am-8:36 pm

2 stops15h 56m

Seattle/Tacoma Intl

Wed 9/24

5:40 am-10:50 pm

2 stops15h 10m

$699

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 9/15

7:09 pm-7:50 pm

2 stops26h 41m

Seattle/Tacoma Intl

Wed 10/15

11:55 pm-11:20 pm

2 stops21h 25m

$744

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Fri 7/11

5:15 pm-10:13 am

1 stop18h 58m

Seattle/Tacoma Intl

Fri 7/25

11:06 am-6:45 am

1 stop17h 39m

$794

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Fri 5/9

1:40 am-9:57 pm

2 stops22h 17m

Seattle/Tacoma Intl

Sat 5/17

5:40 pm-5:30 pm

2 stops21h 50m

$813

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Tue 4/15

2:30 am-10:43 pm

2 stops22h 13m

Seattle/Tacoma Intl

Mon 4/21

11:45 pm-12:34 am

2 stops22h 49m

$823

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Sun 5/11

11:20 pm-11:49 pm

1 stop26h 29m

Seattle/Tacoma Intl

Tue 5/20

4:00 pm-8:00 pm

1 stop26h 00m

$839

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Mon 6/23

5:15 pm-10:13 am

1 stop18h 58m

$391

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Fri 5/23

9:11 am-9:56 pm

1 stop14h 45m

$501

QuitoSeattle

UIO - SEA

UIOSEA

Quito Mariscal Sucr

Sun 6/22

12:35 am-11:21 am

2 stops36h 46m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 11 results
1
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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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Quito-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Quito-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 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 18 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, January is the cheapest month in which you can book a flight from Quito to Seattle (average of $238). Flying from Quito to Seattle in July is currently the most expensive (average of $411). 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 March 28, 2025.

It’s typically best to fly out from Quito to Seattle at noon. Doing so could potentially save you 5% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 28, 2025.
To help decide which airline to fly from Quito to Seattle, see what other customers have to say about Delta, LATAM Airlines and Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,750 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.5
Good
1,395 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Our cheapest airline available from Quito to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $671 on this airline. Additional options worth looking into are American Airlines and LATAM Airlines, starting at $699 and $744 round-trip. You may be able to fly from Quito to Seattle for 7% less than the average price by searching for these airlines.

  • 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 LATAM Airlines ($501), United Airlines ($617), and American Airlines ($626).

  • 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, January is the cheapest month in which you can book a flight from Quito to Seattle (average of $238). Flying from Quito to Seattle in July is currently the most expensive (average of $411). 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 Quito?

Book flights to Quito if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

Browse thousands of different options on Cheapflights for your next trip

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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
Guayaquil to Portland flights
Quito to Portland flights

Top 3 airlines flying from Quito to Seattle

Discover the top 3 airlines 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$548Average$762FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$584Average$768FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$676Average$762FlexibilityNo cancel feeOn-time69%
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