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$357+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez are usually found in November or July, booked 77 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 November 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:59 pmSEA - SCL
2 stops28h 36mMultiple Airlines
Wed 12/1011:25 pmSCL - SEA
1 stop28h 05mMultiple Airlines
Deal found 11/4$811
This Air Canada deal was found by Cheapflights users on 11/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:00 pmSEA - SCL
2 stops35h 15mAir Canada
Wed 11/268:55 pmSCL - SEA
2 stops41h 36mAir Canada
Deal found 11/3$853
This Air Canada deal was found by Cheapflights users on 11/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:05 amSEA - SCL
2 stops45h 10mAir Canada
Mon 12/18:55 pmSCL - SEA
2 stops46h 36mAir Canada
Deal found 11/3$865
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/233:22 pmSEA - SCL
1 stop34h 08mMultiple Airlines
Sun 12/1411:25 pmSCL - SEA
2 stops28h 20mMultiple Airlines
Deal found 11/3$876
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/1711:43 amSEA - SCL
2 stops37h 47mMultiple Airlines
Tue 11/2511:35 pmSCL - SEA
1 stop20h 02mMultiple Airlines
Deal found 11/3$888
This Air Canada deal was found by Cheapflights users on 11/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:00 pmSEA - SCL
2 stops35h 15mAir Canada
Wed 11/268:55 pmSCL - SEA
2 stops41h 36mAir Canada
Deal found 11/3$933

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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$804
(Air Canada)

One-way from

$357
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,006
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 ($96 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 November 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 November 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

Sun 11/16

8:00 pm-12:15 pm

2 stops35h 15m

Santiago Arturo Merino Benitez

Thu 11/27

8:55 pm-9:31 am

2 stops41h 36m

$853

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 11/16

8:00 pm-12:15 pm

2 stops35h 15m

Santiago Arturo Merino Benitez

Wed 11/26

8:55 pm-9:31 am

2 stops41h 36m

$853

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 11/17

10:05 am-12:15 pm

2 stops45h 10m

Santiago Arturo Merino Benitez

Thu 11/27

8:55 pm-9:31 am

2 stops41h 36m

$853

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 11/23

3:22 pm-6:30 am

1 stop34h 08m

Santiago Arturo Merino Benitez

Sun 12/14

11:25 pm-10:45 pm

2 stops28h 20m

$876

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 12/28

10:55 pm-7:40 am

1 stop27h 45m

Santiago Arturo Merino Benitez

Tue 1/13

8:15 am-12:20 pm

2 stops33h 05m

$952

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 3/2

6:04 am-7:00 am

1 stop19h 56m

Santiago Arturo Merino Benitez

Sun 3/15

8:50 pm-2:45 pm

2 stops21h 55m

$964

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 1/7

12:40 pm-8:50 am

1 stop15h 10m

Santiago Arturo Merino Benitez

Wed 1/21

10:45 pm-12:49 pm

1 stop19h 04m

$964

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 2/18

11:55 am-3:30 pm

2 stops22h 35m

Santiago Arturo Merino Benitez

Tue 2/24

4:35 am-9:49 pm

2 stops22h 14m

$964

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 4/5

11:35 pm-5:50 am

2 stops27h 15m

Santiago Arturo Merino Benitez

Tue 4/21

8:40 pm-12:16 pm

1 stop18h 36m

$964

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 4/5

8:00 am-2:00 pm

2 stops27h 00m

Santiago Arturo Merino Benitez

Mon 4/20

8:40 pm-10:17 am

1 stop16h 37m

$964

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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 November.
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 October 31, 2025.

The best time to book flights from Seattle to Santiago is 76 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 November 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 November 4, 2025.
See what other customers who have flown with Delta, Copa Airlines, and LATAM 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
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8,003 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

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.
Copa Airlines
7.6
Good
1,562 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

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
1,874 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

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
9,002 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

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
11,040 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

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 $952, Air Canada can have you in Santiago from Seattle in 27h 45m. 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, Copa Airlines ($795), American Airlines ($882), and LATAM Airlines ($993) offers the cheapest pricing from Seattle to Santiago. You may be able to fly from Seattle to Santiago for 33% less than the average price by searching for these airlines.

  • 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 5 airlines flying from Seattle to Santiago

Discover the top 5 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$795Average$973FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$882Average$1,240FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$993Average$1,284FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,014Average$1,325FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,018Average$1,128FlexibilityNo cancel feeOn-time69%

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