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$389+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$828
(Kiwi.com)

One-way from

$389
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,029
Provider with most accurate pricing for Seattle/Tacoma Intl-Santiago Arturo Merino Benitez flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Santiago Arturo Merino Benitez flights.
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From Seattle/Tacoma Intl to Santiago Arturo Merino Benitez
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One-way flight from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez
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Highest demand for flights based on searches. 12% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:45 pm
SEA
-
SCL
2 stops45h 45m
Multiple Airlines
Thu 3/54:20 am
SCL
-
SEA
2 stops22h 44m
Multiple Airlines
Deal found 1/13$828
This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:45 am
SEA
-
SCL
2 stops25h 30m
Air Canada
Mon 11/98:55 pm
SCL
-
SEA
2 stops22h 36m
Air Canada
Deal found 1/13$852
This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:00 pm
SEA
-
SCL
2 stops58h 15m
Air Canada
Mon 3/167:55 pm
SCL
-
SEA
1 stop30h 21m
Air Canada
Deal found 1/13$897
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:00 am
SEA
-
SCL
1 stop17h 35m
LATAM Airlines
Tue 3/3111:55 pm
SCL
-
SEA
1 stop23h 53m
LATAM Airlines
Deal found 1/13$898
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 2/197:55 am
SEA
-
SCL
2 stops34h 45m
Multiple Airlines
Tue 2/2411:25 pm
SCL
-
SEA
1 stop27h 39m
Multiple Airlines
Deal found 1/12$903
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1012:09 pm
SEA
-
SCL
1 stop36h 26m
Multiple Airlines
Tue 2/1711:24 am
SCL
-
SEA
2 stops28h 33m
Multiple Airlines
Deal found 1/13$907
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:25 am
SEA
-
SCL
1 stop19h 30m
LATAM Airlines
Tue 8/257:45 pm
SCL
-
SEA
2 stops20h 13m
LATAM Airlines
Deal found 1/13$920
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/88:00 pm
SEA
-
SCL
2 stops35h 15m
Multiple Airlines
Wed 2/1811:55 pm
SCL
-
SEA
2 stops24h 21m
Multiple Airlines
Deal found 1/13$927
This FlightHub deal was found by Cheapflights users on 1/14. 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.
Mon 8/177:20 am
SEA
-
SCL
2 stops19h 05m
LATAM Airlines
Fri 8/2810:55 pm
SCL
-
SEA
1 stop23h 38m
LATAM Airlines
Deal found 1/14$934
This KAYAK deal was found by Cheapflights users on 1/15. 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.
Wed 11/47:03 am
SEA
-
SCL
1 stop20h 47m
Multiple Airlines
Wed 11/1110:45 pm
SCL
-
SEA
1 stop25h 27m
Multiple Airlines
Deal found 1/15$947

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 January 15, 2026.
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

Fri 2/27

9:45 pm-12:30 am

2 stops45h 45m

Santiago Arturo Merino Benitez

Thu 3/5

4:20 am-10:04 pm

2 stops22h 44m

$828

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Fri 3/6

8:00 pm-11:15 am

2 stops58h 15m

Santiago Arturo Merino Benitez

Mon 3/16

7:55 pm-10:16 pm

1 stop30h 21m

$897

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 3/12

8:00 am-5:35 am

1 stop17h 35m

Santiago Arturo Merino Benitez

Tue 3/31

11:55 pm-7:48 pm

1 stop23h 53m

$898

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 2/19

9:50 pm-12:00 pm

3 stops33h 10m

Santiago Arturo Merino Benitez

Tue 2/24

11:25 pm-10:04 pm

1 stop27h 39m

$931

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Fri 3/6

8:40 am-5:35 am

1 stop15h 55m

Santiago Arturo Merino Benitez

Mon 3/16

11:25 pm-9:48 pm

1 stop26h 23m

$934

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 3/19

7:20 am-5:55 am

1 stop18h 35m

Santiago Arturo Merino Benitez

Sun 3/29

11:55 pm-7:48 pm

1 stop23h 53m

$934

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 3/12

8:00 am-5:35 am

1 stop17h 35m

Santiago Arturo Merino Benitez

Tue 3/17

8:50 pm-12:49 pm

2 stops19h 59m

$966

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 3/19

7:20 am-5:55 am

1 stop18h 35m

Santiago Arturo Merino Benitez

Wed 3/25

8:50 pm-2:41 pm

2 stops21h 51m

$966

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 3/14

8:00 am-7:00 am

1 stop19h 00m

Santiago Arturo Merino Benitez

Sun 3/22

10:30 pm-7:48 pm

1 stop25h 18m

$970

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 3/14

6:24 pm-11:49 pm

2 stops25h 25m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 17 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 January.
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
OvagoPrice Accuracy2 starsTrust Score*2 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 January 9, 2026.

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 $542). Flying from Seattle to Santiago in May is currently the most expensive (average of $1,057). 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.

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 January 15, 2026.
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
8,049 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
8,049 reviews
Delta
7.9
Good
8,049 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
1,904 reviews
Delta
7.9
Good
8,049 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
9,164 reviews
Delta
7.9
Good
8,049 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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
11,132 reviews
Delta
7.9
Good
8,049 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.1

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 $898, Air Canada can have you in Santiago from Seattle in 17h 35m. The distance from Seattle to Santiago is about 6428 mi. This flight may include one or multiple stops.

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

    According to our current data, Delta ($895), American Airlines ($918), and LATAM Airlines ($942) offers the cheapest pricing from Seattle to Santiago. You may be able to fly from Seattle to Santiago for 24% 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 $626 on LATAM Airlines. Other airlines that offer cheap prices include Delta from $658 and American Airlines from $694 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 $542). Flying from Seattle to Santiago in May is currently the most expensive (average of $1,057). 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$895Average$1,299FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$918Average$1,235FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$942Average$1,257FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$1,018Average$1,128FlexibilityNo cancel feeOn-time69%

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