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$240+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$763
(Kiwi.com)

One-way from

$240
(Kiwi.com)

Popular in

June

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. 8% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 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 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/8. 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 3/25:55 pmSEA - SCL
2 stops40h 25mMultiple Airlines
Wed 3/1111:25 pmSCL - SEA
1 stop26h 39mMultiple Airlines
Deal found 1/8$812
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/17:55 amSEA - SCL
2 stops42h 45mMultiple Airlines
Wed 2/257:15 amSCL - SEA
2 stops43h 49mMultiple Airlines
Deal found 1/8$815
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/156:24 pmSEA - SCL
1 stop31h 11mMultiple Airlines
Mon 3/239:05 pmSCL - SEA
2 stops28h 55mMultiple Airlines
Deal found 1/7$826
This Orbitz deal was found by Cheapflights users on 1/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/53:40 pmSEA - SCL
2 stops58h 10mAir Canada
Thu 2/128:55 pmSCL - SEA
2 stops41h 36mAir Canada
Deal found 1/7$847
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/156:24 pmSEA - SCL
1 stop31h 11mMultiple Airlines
Tue 3/249:05 pmSCL - SEA
2 stops28h 55mMultiple Airlines
Deal found 1/7$849
This Air Canada deal was found by Cheapflights users on 1/8. 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 10/268:10 amSEA - SCL
1 stop23h 05mAir Canada
Sat 10/318:55 pmSCL - SEA
1 stop30h 21mAir Canada
Deal found 1/8$852
This Orbitz deal was found by Cheapflights users on 1/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:05 pmSEA - SCL
2 stops60h 10mAir Canada
Sat 11/288:55 pmSCL - SEA
1 stop30h 21mAir Canada
Deal found 1/7$857
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/178:08 amSEA - SCL
1 stop18h 52mMultiple Airlines
Mon 3/239:05 pmSCL - SEA
2 stops28h 55mMultiple Airlines
Deal found 1/7$887
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/156:24 pmSEA - SCL
1 stop31h 11mMultiple Airlines
Wed 3/259:05 pmSCL - SEA
2 stops28h 55mMultiple Airlines
Deal found 1/7$893
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/156:24 pmSEA - SCL
1 stop31h 11mMultiple Airlines
Sun 3/224:25 pmSCL - SEA
2 stops33h 37mMultiple Airlines
Deal found 1/7$899
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/189:08 amSEA - SCL
1 stop16h 27mMultiple Airlines
Mon 3/239:05 pmSCL - SEA
2 stops28h 55mMultiple Airlines
Deal found 1/7$900

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 8, 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

Sun 3/15

6:24 pm-5:35 am

1 stop31h 11m

Santiago Arturo Merino Benitez

Wed 3/25

9:05 pm-10:00 pm

2 stops28h 55m

$893

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 3/2

7:10 am-6:55 am

1 stop18h 45m

Santiago Arturo Merino Benitez

Sun 3/15

8:50 pm-2:41 pm

2 stops21h 51m

$901

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 3/18

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

$901

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 3/19

6:25 am-5:35 am

1 stop19h 10m

Santiago Arturo Merino Benitez

Mon 3/23

9:05 pm-10:00 pm

2 stops28h 55m

$912

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 5/5

7:15 am-5:35 am

1 stop19h 20m

Santiago Arturo Merino Benitez

Tue 5/19

11:00 pm-9:59 pm

1 stop25h 59m

$914

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 3/19

6:25 am-5:35 am

1 stop19h 10m

Santiago Arturo Merino Benitez

Tue 3/24

9:05 pm-10:00 pm

2 stops28h 55m

$935

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 3/17

7:00 am-7:50 am

2 stops20h 50m

Santiago Arturo Merino Benitez

Wed 3/25

9:45 pm-1:07 pm

1 stop19h 22m

$945

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 3/17

6:15 am-7:40 am

1 stop21h 25m

Santiago Arturo Merino Benitez

Thu 3/26

11:55 pm-12:49 pm

1 stop16h 54m

$963

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 3/15

10:58 pm-5:55 am

1 stop26h 57m

Santiago Arturo Merino Benitez

Tue 3/24

10:30 pm-7:48 pm

1 stop25h 18m

$965

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 5/4

7:15 am-4:50 am

2 stops18h 35m

Santiago Arturo Merino Benitez

Thu 5/21

4:10 am-9:59 pm

2 stops20h 49m

$965

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 21 results
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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 2, 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 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.

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 January 8, 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
8,029 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

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
8,029 reviews
Delta
7.9
Good
8,029 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

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
1,898 reviews
Delta
7.9
Good
8,029 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

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
9,141 reviews
Delta
7.9
Good
8,029 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

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
11,095 reviews
Delta
7.9
Good
8,029 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

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.

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

    According to our current data, American Airlines ($918), LATAM Airlines ($942), 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 $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 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

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

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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$918Average$1,241FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$946Average$1,262FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,014Average$1,316FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,018Average$1,128FlexibilityNo cancel feeOn-time69%

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