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$352+ Cheap flights from Santiago (SCL) to Seattle (SEA)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — SEA
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Santiago Arturo Merino Benitez to Seattle/Tacoma Intl are usually found in February or October, booked 34 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Santiago to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Santiago (SCL) to Seattle (SEA). 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 August 13, 2025.

Round-trip from

$767
(eDestinos)

One-way from

$352
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$1,074
From Santiago Arturo Merino Benitez to Seattle/Tacoma Intl
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One-way flight from Santiago Arturo Merino Benitez to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Santiago to Seattle

Cheapest flights from Santiago to Seattle
Explore the most affordable flight options available from Santiago to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This eDestinos deal was found by Cheapflights users on 8/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:40 amSCL - SEA
2 stops48h 42mMultiple Airlines
Mon 10/138:34 amSEA - SCL
2 stops33h 36mMultiple Airlines
Deal found 8/11$767
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/2210:40 pmSCL - SEA
2 stops27h 46mMultiple Airlines
Mon 9/298:25 amSEA - SCL
1 stop18h 05mMultiple Airlines
Deal found 8/11$792
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/259:00 amSCL - SEA
1 stop17h 26mMultiple Airlines
Tue 1/207:55 amSEA - SCL
2 stops33h 20mMultiple Airlines
Deal found 8/10$835
This Copa Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 10/112:29 pmSCL - SEA
2 stops27h 27mCopa Airlines
Thu 10/235:26 pmSEA - SCL
2 stops26h 14mCopa Airlines
Deal found 8/11$856
This Justfly.com deal was found by Cheapflights users on 8/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:05 pmSCL - SEA
1 stop26h 18mLATAM Airlines
Wed 9/107:13 amSEA - SCL
1 stop20h 37mLATAM Airlines
Deal found 8/12$867
This flugladen.de deal was found by Cheapflights users on 8/12. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:25 amSCL - SEA
2 stops26h 00mMultiple Airlines
Sun 2/17:55 amSEA - SCL
1 stop16h 40mMultiple Airlines
Deal found 8/12$868
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:05 pmSCL - SEA
1 stop19h 35mLATAM Airlines
Sat 9/278:30 amSEA - SCL
1 stop18h 00mLATAM Airlines
Deal found 8/12$869
This LATAM Airlines deal was found by Cheapflights users on 8/12. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:55 pmSCL - SEA
1 stop26h 52mLATAM Airlines
Fri 10/318:00 amSEA - SCL
1 stop19h 00mLATAM Airlines
Deal found 8/12$874
This LATAM Airlines deal was found by Cheapflights users on 8/12. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:05 pmSCL - SEA
1 stop19h 35mLATAM Airlines
Sun 9/287:45 amSEA - SCL
1 stop20h 05mLATAM Airlines
Deal found 8/12$878

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago to Seattle 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 August 13, 2025.
Use the filters below to find and compare flights from Santiago to Seattle that are best for you.

Fly from

Santiago

Fly to

Seattle

Route

Depart

Return

Price

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Thu 10/2

9:15 pm-10:22 pm

2 stops29h 07m

Seattle/Tacoma Intl

Mon 10/13

8:30 am-10:10 pm

2 stops33h 40m

$767

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Mon 9/22

10:40 pm-10:26 pm

2 stops27h 46m

Seattle/Tacoma Intl

Mon 9/29

8:25 am-6:30 am

1 stop18h 05m

$792

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Thu 9/25

9:00 am-10:26 pm

1 stop17h 26m

Seattle/Tacoma Intl

Tue 1/20

7:55 am-10:15 pm

2 stops33h 20m

$835

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Tue 10/14

12:29 pm-11:56 am

2 stops27h 27m

Seattle/Tacoma Intl

Thu 10/23

5:26 pm-11:40 pm

2 stops26h 14m

$856

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 10/1

12:29 pm-11:56 am

2 stops27h 27m

Seattle/Tacoma Intl

Thu 10/23

5:26 pm-11:40 pm

2 stops26h 14m

$856

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Thu 8/28

11:05 pm-10:23 pm

1 stop26h 18m

Seattle/Tacoma Intl

Wed 9/10

7:13 am-7:50 am

1 stop20h 37m

$867

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 12/10

12:25 am-9:25 pm

2 stops26h 00m

Seattle/Tacoma Intl

Sun 2/1

7:55 am-5:35 am

1 stop16h 40m

$868

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Sun 9/14

11:05 pm-2:40 pm

1 stop19h 35m

Seattle/Tacoma Intl

Sat 9/27

8:30 am-6:30 am

1 stop18h 00m

$869

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 9/3

8:15 pm-10:26 pm

2 stops29h 11m

$352

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 9/10

7:10 am-9:10 am

3 stops30h 00m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 results
1
2

Best time to book a flight from Santiago to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Santiago to Seattle. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Santiago to Seattle, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Santiago to Seattle (average of $238). Flying from Santiago to Seattle in June is currently the most expensive (average of $389). 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 Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated August 13, 2025.
Peruse reviews from past customers who have flown with Delta and LATAM Airlines from Santiago to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
LATAM Airlines
7.5
Good
1,838 reviews
Delta
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Santiago to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Santiago to Seattle (average of $238). Flying from Santiago to Seattle in June is currently the most expensive (average of $389). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Santiago to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Santiago to Portland flights
Santiago to Spokane flights

Top 2 airlines flying from Santiago to Seattle

Discover the top 2 airlines that operate flights from Santiago to Seattle. 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$704Average$1,096FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$977Average$1,251FlexibilityNo cancel feeOn-time81%

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