Santiago

$318+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Oct 17 — Oct 241
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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 76 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 September 17, 2025.

Round-trip from

$777
(Kiwi.com)

One-way from

$318
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,204
From Seattle/Tacoma Intl to Santiago Arturo Merino Benitez
One-way flight from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez
Highest demand for flights based on searches. 2% potential increase in price ($34 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:08 amSEA - SCL
2 stops30h 12mMultiple Airlines
Thu 11/611:25 pmSCL - SEA
1 stop28h 05mMultiple Airlines
Deal found 9/15$777
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:53 amSEA - SCL
2 stops32h 22mMultiple Airlines
Mon 11/2410:50 amSCL - SEA
1 stop29h 25mMultiple Airlines
Deal found 9/15$790
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:30 amSEA - SCL
2 stops33h 45mMultiple Airlines
Mon 10/2010:55 pmSCL - SEA
1 stop27h 35mMultiple Airlines
Deal found 9/15$809
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:30 amSEA - SCL
2 stops33h 45mMultiple Airlines
Tue 10/2110:55 pmSCL - SEA
1 stop27h 35mMultiple Airlines
Deal found 9/16$827
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:15 amSEA - SCL
1 stop23h 00mAir Canada
Mon 11/178:55 pmSCL - SEA
1 stop30h 21mAir Canada
Deal found 9/15$844
This Copa Airlines deal was found by Cheapflights users on 9/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:26 pmSEA - SCL
2 stops30h 16mCopa Airlines
Tue 10/2112:29 pmSCL - SEA
2 stops27h 27mCopa Airlines
Deal found 9/16$846
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/101:02 pmSEA - SCL
2 stops27h 18mMultiple Airlines
Wed 10/2910:50 amSCL - SEA
1 stop39h 40mMultiple Airlines
Deal found 9/14$857

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 September 17, 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

Mon 2/2

8:10 am-12:15 pm

1 stop23h 05m

Santiago Arturo Merino Benitez

Mon 3/16

7:55 pm-10:06 pm

2 stops30h 11m

$821

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Fri 10/31

7:57 pm-8:21 pm

2 stops44h 24m

Santiago Arturo Merino Benitez

Tue 11/11

11:25 pm-10:30 pm

1 stop28h 05m

$883

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 1/5

5:05 pm-3:17 am

2 stops29h 12m

Santiago Arturo Merino Benitez

Tue 4/28

4:20 am-10:18 pm

2 stops20h 58m

$931

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 3/11

3:00 pm-3:58 am

2 stops32h 58m

Santiago Arturo Merino Benitez

Sun 3/22

3:32 am-1:58 pm

2 stops38h 26m

$949

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 9/30

5:26 pm-8:20 pm

2 stops22h 54m

Santiago Arturo Merino Benitez

Mon 10/6

1:24 am-9:53 pm

2 stops24h 29m

$986

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 2/17

9:30 am-9:15 pm

1 stop30h 45m

Santiago Arturo Merino Benitez

Fri 2/27

11:25 pm-8:00 pm

1 stop25h 35m

$1,012

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 12/9

2:11 pm-5:20 pm

2 stops22h 09m

Santiago Arturo Merino Benitez

Tue 2/17

6:30 pm-12:29 pm

2 stops22h 59m

$1,014

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 10/30

7:25 am-7:40 am

1 stop20h 15m

Santiago Arturo Merino Benitez

Thu 11/6

11:10 pm-8:45 pm

1 stop26h 35m

$1,014

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 10/14

8:15 pm-11:30 pm

3 stops23h 15m

$318

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 10/27

9:32 pm-12:30 am

3 stops46h 58m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results
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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 September 12, 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, April is the cheapest month in which you can book a flight from Seattle to Santiago (average of $752). Flying from Seattle to Santiago in December is currently the most expensive (average of $1,098). 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 September 17, 2025.

It’s typically best to fly out from Seattle to Santiago in the afternoon. Doing so could potentially save you 23% on the flight price compared to flying in the evening, which is usually more expensive.

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 September 17, 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.
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $821, Air Canada can have you in Santiago from Seattle in 23h 05m. 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, Air Canada ($805), American Airlines ($882), and Copa Airlines ($918) offers the cheapest pricing from Seattle to Santiago. You may be able to fly from Seattle to Santiago for 34% less than the average price by searching for these airlines.

  • Where are the most common layover locations when flying from Seattle to Santiago?

  • What are some popular things to do or see while on a layover in Dallas?

    Most Dallas visitors opt to spend their time experiencing American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion. American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion can be visited by traveling about 15.0 mi, 15.5 mi, and 18.3 mi respectively from Dallas/Fort Worth. Those on a layover in Dallas in need of a rental car can book one at Dallas/Fort Worth for about $48.

  • Where are the least popular layover locations for Seattle to Santiago flights?

  • 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, April is the cheapest month in which you can book a flight from Seattle to Santiago (average of $752). Flying from Seattle to Santiago in December is currently the most expensive (average of $1,098). 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

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Top 6 airlines flying from Seattle to Santiago

Discover the top 6 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$805Average$933FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$882Average$1,239FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$918Average$1,084FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$994Average$1,287FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,002Average$1,335FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,068Average$1,273FlexibilityNo cancel feeOn-time69%

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