HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ecuador

$266+ Cheap flights from Seattle (SEA) to Ecuador

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UIO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Ecuador with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Ecuador

Keep the following information in mind while searching for Seattle to Ecuador flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$639
(Avianca)

One-way from

$266
(Avianca)

Popular in

December

Cheapest in

January

Average price

$756
Provider with most accurate pricing for Seattle/Tacoma Intl-Guayaquil Jose Joaquin de Olmedo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Guayaquil Jose Joaquin de Olmedo flights.
Search Deals
From Seattle/Tacoma Intl to Ecuador
Search Deals
One-way flight from Seattle/Tacoma Intl to Ecuador
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Seattle to Ecuador

Cheapest flights from Seattle to Ecuador
Explore the most affordable flight options available from Seattle to Ecuador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Avianca deal was found by Cheapflights users on 4/17. 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.
Mon 11/106:55 amSEA - UIO
1 stop20h 50mMultiple Airlines
Mon 11/175:15 pmUIO - SEA
1 stop20h 24mMultiple Airlines
Deal found 4/17$608
This Avianca deal was found by Cheapflights users on 4/17. 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.
Sun 6/12:37 pmSEA - GYE
1 stop18h 03mMultiple Airlines
Sat 6/73:15 amGYE - SEA
2 stops15h 35mMultiple Airlines
Deal found 4/17$639
This Avianca deal was found by Cheapflights users on 4/17. 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.
Mon 8/256:45 amSEA - GYE
2 stops17h 20mAvianca
Mon 9/83:15 amGYE - SEA
2 stops19h 27mAvianca
Deal found 4/17$695
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/111:15 pmSEA - UIO
2 stops34h 25mLATAM Airlines
Sun 6/89:11 amUIO - SEA
1 stop14h 45mLATAM Airlines
Deal found 4/17$699
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:04 amSEA - GYE
2 stops28h 42mUnited Airlines
Sat 9/272:45 pmGYE - SEA
2 stops36h 09mUnited Airlines
Deal found 4/17$749
This Avianca deal was found by Cheapflights users on 4/16. 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.
Wed 5/216:15 amSEA - UIO
2 stops18h 30mAvianca
Tue 5/273:15 amUIO - SEA
2 stops17h 10mAvianca
Deal found 4/16$755
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/912:40 amSEA - UIO
2 stops15h 25mDelta
Mon 11/179:11 amUIO - SEA
2 stops18h 03mDelta
Deal found 4/17$764
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:40 amSEA - UIO
2 stops15h 10mAmerican Airlines
Wed 10/86:40 amUIO - SEA
2 stops18h 32mAmerican Airlines
Deal found 4/17$765
This Copa Airlines deal was found by Cheapflights users on 4/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:35 pmSEA - UIO
2 stops25h 23mCopa Airlines
Tue 10/73:09 amUIO - SEA
2 stops22h 19mCopa Airlines
Deal found 4/17$787
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:58 pmSEA - GYE
1 stop18h 02mAmerican Airlines
Tue 9/97:30 amGYE - SEA
1 stop19h 03mAmerican Airlines
Deal found 4/17$788
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/255:00 amSEA - UIO
1 stop14h 50mUnited Airlines
Wed 8/1312:35 amUIO - SEA
1 stop11h 47mUnited Airlines
Deal found 4/17$794
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:25 amSEA - GYE
2 stops39h 12mCopa Airlines
Sat 5/314:28 amGYE - SEA
2 stops19h 30mCopa Airlines
Deal found 4/17$1,193

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Ecuador 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 April 17, 2025.
Use the filters below to find and compare flights from Seattle to Ecuador that are best for you.

Fly from

Seattle

Fly to

Ecuador

Route

Depart

Return

Price

SeattleGuayaquil

SEA - GYE

SEAGYE

Seattle/Tacoma Intl

Sun 6/1

2:37 pm-10:40 am

1 stop18h 03m

Guayaquil Jose Joaquin de Olmedo

Sat 6/7

3:15 am-4:50 pm

2 stops15h 35m

$639

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Wed 5/21

8:05 am-2:45 am

2 stops16h 40m

Quito Mariscal Sucr

Wed 5/28

9:11 am-10:00 pm

1 stop14h 49m

$665

SeattleGuayaquil

SEA - GYE

SEAGYE

Seattle/Tacoma Intl

Mon 8/25

6:45 am-2:05 am

2 stops17h 20m

Guayaquil Jose Joaquin de Olmedo

Mon 9/8

3:15 am-8:42 pm

2 stops19h 27m

$695

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Sun 6/1

11:15 pm-11:40 am

2 stops34h 25m

Quito Mariscal Sucr

Sun 6/8

9:11 am-9:56 pm

1 stop14h 45m

$699

SeattleGuayaquil

SEA - GYE

SEAGYE

Seattle/Tacoma Intl

Fri 9/12

7:04 am-1:46 pm

2 stops28h 42m

Guayaquil Jose Joaquin de Olmedo

Sat 9/27

2:45 pm-12:54 am

2 stops36h 09m

$749

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Wed 5/21

6:15 am-2:45 am

2 stops18h 30m

Quito Mariscal Sucr

Tue 5/27

3:15 am-6:25 pm

2 stops17h 10m

$755

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Thu 9/25

5:40 am-10:50 pm

2 stops15h 10m

Quito Mariscal Sucr

Wed 10/8

6:40 am-11:12 pm

2 stops18h 32m

$765

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Thu 9/25

5:30 pm-8:00 pm

1 stop24h 30m

Quito Mariscal Sucr

Wed 10/8

11:20 pm-2:52 pm

1 stop17h 32m

$767

SeattleQuito

SEA - UIO

SEAUIO

Seattle/Tacoma Intl

Thu 9/25

5:35 pm-8:58 pm

2 stops25h 23m

Quito Mariscal Sucr

Tue 10/7

3:09 am-11:28 pm

2 stops22h 19m

$787

SeattleGuayaquil

SEA - GYE

SEAGYE

Seattle/Tacoma Intl

Mon 8/25

10:58 pm-7:00 pm

1 stop18h 02m

Guayaquil Jose Joaquin de Olmedo

Tue 9/9

7:30 am-12:33 am

1 stop19h 03m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 26 results
1
2
3

Best time to book a flight from Seattle to Ecuador

Have a flexible travel schedule? Discover the best time to fly to Ecuador 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 Ecuador

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

Currently, April is the cheapest month in which you can book a flight from Seattle to Ecuador (average of $463). Flying from Seattle to Ecuador in December is currently the most expensive (average of $791). 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 SEA to EC?

Find hourly flight availability from Seattle to Ecuador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Ecuador as you normally would.

Rainfall in Ecuador by month

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

In terms of precipitation, rainfall in Ecuador ranges from 0.0 - 11.0 inches per month. March is typically the wettest month, when rainfall can reach 11.0 in. July is typically the driest time to visit Ecuador when rainfall is around 0.0 in.

Temperature in Ecuador by month

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

If weather is an important factor for your trip to Ecuador, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Ecuador

Get insights into the airlines that provide service to Ecuador. 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 Ecuador. Reviews last updated April 17, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines and LATAM Airlines from Seattle to Ecuador. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,409 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,761 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Ecuador?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Ecuador. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

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

    One-way options have recently been found by users for as low as $323 on Copa Airlines. Other airlines that offer cheap prices include Avianca from $348 and United Airlines from $379 one-way.

  • What are the most popular routes from Seattle to Ecuador?

    The most popular flight routes from Seattle to Ecuador are Seattle/Tacoma Intl - Quito Mariscal Sucr, Seattle/Tacoma Intl - Guayaquil Jose Joaquin de Olmedo and Seattle/Tacoma Intl - Baltra.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Seattle to Ecuador (average of $463). Flying from Seattle to Ecuador in December is currently the most expensive (average of $791). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Ecuador

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Guarulhos Intl flights
Seattle to Lima flights
Seattle to Brasilia flights
Seattle to Bogotá flights
Seattle to Jose Maria Cordova Intl flights
Portland to Lima flights
Seattle to Quito flights
Seattle to Viracopos flights
Seattle to Ministro Pistarini flights
Seattle to Guayaquil flights
Portland to Jose Maria Cordova Intl flights
Seattle to Rio de Janeiro–Galeão Intl flights
Seattle to Jorge Newbery flights
Seattle to Santiago flights
Seattle to Iquitos flights
Seattle to Santos Dumont flights
Seattle to Cartagena flights
Portland to Bogotá flights
Seattle to Cuzco flights
Portland to Guarulhos Intl flights
Portland to Ministro Pistarini flights
Portland to Cuzco flights
Portland to Santiago flights
Portland to Cartagena flights
Portland to Rio de Janeiro–Galeão Intl flights
Seattle to Cali flights
Portland to Jorge Newbery flights
Seattle to Baltra flights
Portland to Montevideo flights
Portland to Quito flights
Portland to Santos Dumont flights
Seattle to Salvador flights
Seattle to Belo Horizonte flights
Seattle to La Paz flights
Seattle to Mendoza flights
Seattle to Cordoba flights
Seattle to Montevideo flights
Seattle to Pereira flights
Portland to Salvador flights
Seattle to San Andrés flights
Seattle to Barranquilla flights
Seattle to Asuncion flights
Seattle to Santa Cruz de la Sierra flights
Spokane to Quito flights
Portland to La Paz flights
Seattle to Goiânia flights
Seattle to Porto Alegre flights
Seattle to Santa Marta flights
Spokane to Ministro Pistarini flights

Top 5 airlines flying from Seattle to Ecuador

Discover the top 5 airlines that operate flights from Seattle to Ecuador. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$476Average$829FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$501Average$788FlexibilityNo cancel feeOn-time81%
DeltaCheapest$506Average$809FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$521Average$706FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$765Average$1,215FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.