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$289+ Cheap flights from Seattle (SEA) to Santiago (SCL)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Find cheap flights from Seattle to Santiago 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”

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez are usually found in November or January, booked 49 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Seattle to Santiago

Cheapest flights from Seattle to Santiago
Explore the most affordable flight options available from Seattle to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This KAYAK deal was found by Cheapflights users on 12/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amSEA - SCL
1 stop20h 40mLATAM Airlines
Sun 3/18:50 pmSCL - SEA
2 stops30h 35mLATAM Airlines
Deal found 12/3$1,046
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/146:00 pmSEA - SCL
2 stops30h 30mMultiple Airlines
Fri 2/2711:55 pmSCL - SEA
1 stop17h 17mMultiple Airlines
Deal found 12/3$1,050
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/2912:43 pmSEA - SCL
1 stop15h 42mAmerican Airlines
Sat 1/1710:30 pmSCL - SEA
1 stop16h 07mAmerican Airlines
Deal found 12/4$1,054
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Tue 12/168:45 amSEA - SCL
2 stops32h 30mMultiple Airlines
Fri 2/2711:55 pmSCL - SEA
1 stop17h 17mMultiple Airlines
Deal found 12/3$1,069
This KAYAK deal was found by Cheapflights users on 12/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:10 amSEA - SCL
2 stops19h 30mLATAM Airlines
Tue 3/37:15 amSCL - SEA
3 stops34h 05mLATAM Airlines
Deal found 12/3$1,075
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/1412:45 amSEA - SCL
2 stops23h 45mMultiple Airlines
Tue 3/311:25 pmSCL - SEA
1 stop27h 39mMultiple Airlines
Deal found 12/3$1,078
This KAYAK deal was found by Cheapflights users on 12/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amSEA - SCL
1 stop20h 40mLATAM Airlines
Fri 2/2711:10 pmSCL - SEA
1 stop24h 35mLATAM Airlines
Deal found 12/3$1,086
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Tue 12/168:45 amSEA - SCL
2 stops32h 30mMultiple Airlines
Tue 3/311:25 pmSCL - SEA
1 stop27h 39mMultiple Airlines
Deal found 12/3$1,097
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/1412:45 amSEA - SCL
2 stops23h 45mMultiple Airlines
Mon 3/211:55 pmSCL - SEA
1 stop19h 04mMultiple Airlines
Deal found 12/3$1,100

Find flight deals from Seattle to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Santiago (SCL). 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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$773
(Gotogate)

One-way from

$289
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,317
Provider with most accurate pricing for Seattle/Tacoma Intl-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Santiago Arturo Merino Benitez flights.
Search Deals
From Seattle/Tacoma Intl to Santiago Arturo Merino Benitez
Search Deals
One-way flight from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 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 Seattle to Santiago 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 4, 2025.
Use the filters below to find and compare flights from Seattle to Santiago that are best for you.

Fly from

Seattle

Fly to

Santiago

Route

Depart

Return

Price

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 3/4

10:22 am-3:20 pm

2 stops23h 58m

Santiago Arturo Merino Benitez

Sun 4/19

11:00 pm-9:44 pm

1 stop25h 44m

$951

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 3/4

11:55 am-7:40 am

1 stop14h 45m

Santiago Arturo Merino Benitez

Wed 4/22

8:40 pm-8:42 pm

1 stop27h 02m

$964

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 3/1

9:55 pm-6:55 am

1 stop28h 00m

Santiago Arturo Merino Benitez

Wed 4/22

8:40 pm-2:45 pm

1 stop21h 05m

$980

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 3/1

9:55 pm-6:55 am

1 stop28h 00m

Santiago Arturo Merino Benitez

Thu 4/23

10:55 pm-7:33 pm

1 stop23h 38m

$980

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 3/1

9:55 pm-6:55 am

1 stop28h 00m

Santiago Arturo Merino Benitez

Mon 4/20

8:40 pm-12:16 pm

1 stop18h 36m

$980

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 3/1

9:55 pm-6:55 am

1 stop28h 00m

Santiago Arturo Merino Benitez

Sun 4/19

11:25 pm-9:59 pm

2 stops25h 34m

$980

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 1/22

7:00 am-8:50 am

1 stop20h 50m

Santiago Arturo Merino Benitez

Mon 1/26

10:45 pm-4:01 pm

2 stops22h 16m

$1,014

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 1/22

7:10 am-6:55 am

1 stop18h 45m

Santiago Arturo Merino Benitez

Mon 1/26

11:55 pm-12:57 pm

1 stop18h 02m

$1,014

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 3/1

9:55 pm-6:55 am

1 stop28h 00m

Santiago Arturo Merino Benitez

Sat 4/18

11:25 pm-6:20 pm

1 stop21h 55m

$1,020

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 3/1

9:55 pm-6:55 am

1 stop28h 00m

Santiago Arturo Merino Benitez

Fri 4/24

7:45 pm-2:43 pm

2 stops21h 58m

$1,020

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 19 results
1
2

Compare providers for flights from Seattle to Santiago

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Santiago. Price data was last updated on November 28, 2025.

The best time to book flights from Seattle to Santiago is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, July is the cheapest month in which you can book a flight from Seattle to Santiago (average of $621). Flying from Seattle to Santiago in June is currently the most expensive (average of $1,245). 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 SCL?

Find hourly flight availability from Seattle to Santiago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

It’s typically best to fly out from Seattle to Santiago in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the evening, which is usually more expensive.

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

Reviews of airlines servicing Santiago

Get insights into the airlines that provide service to Santiago. 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 Santiago. Reviews last updated December 4, 2025.
See what other customers who have flown with Delta, LATAM Airlines, and United Airlines from Seattle to Santiago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,889 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,063 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,043 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    For as low as $964, Delta can have you in Santiago from Seattle in 14h 45m. The distance from Seattle to Santiago is about 6428 mi.

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

    According to our current data, American Airlines ($933), LATAM Airlines ($947), and Delta ($1,014) offers the cheapest pricing from Seattle to Santiago. You may be able to fly from Seattle to Santiago for 22% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $358 on Copa Airlines. Other airlines that offer cheap prices include LATAM Airlines from $626 and American Airlines from $667 one-way.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Seattle to Santiago (average of $621). Flying from Seattle to Santiago in June is currently the most expensive (average of $1,245). 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

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Top 4 airlines flying from Seattle to Santiago

Discover the top 4 airlines that operate flights from Seattle to Santiago. 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$933Average$1,245FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$950Average$1,282FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,014Average$1,332FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,018Average$1,128FlexibilityNo cancel feeOn-time69%

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