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$351+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — SEA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 Santiago Arturo Merino Benitez to Seattle/Tacoma Intl are usually found in November or October, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/2311:25 pmSCL - SEA
2 stops41h 25mMultiple Airlines
Wed 1/218:06 amSEA - SCL
1 stop16h 29mMultiple Airlines
Deal found 12/21$1,030
This Copa Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/221:29 amSCL - SEA
2 stops26h 39mCopa Airlines
Wed 1/215:12 pmSEA - SCL
2 stops22h 08mCopa Airlines
Deal found 12/21$1,123
This Mytrip deal was found by Cheapflights users on 12/21. 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.
Tue 12/238:55 pmSCL - SEA
3 stops30h 51mAir Canada
Wed 1/218:00 pmSEA - SCL
3 stops29h 50mAir Canada
Deal found 12/21$1,252
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:25 pmSCL - SEA
1 stop18h 05mAmerican Airlines
Wed 1/2111:55 amSEA - SCL
1 stop15h 20mAmerican Airlines
Deal found 12/21$1,343
This Cheapflightsfares deal was found by Cheapflights users on 12/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:32 amSCL - SEA
2 stops21h 12mLATAM Airlines
Sun 12/2110:55 pmSEA - SCL
1 stop26h 15mLATAM Airlines
Deal found 12/20$2,346
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/219:30 amSCL - SEA
1 stop16h 30mMultiple Airlines
Sun 12/2111:34 pmSEA - SCL
1 stop26h 21mMultiple Airlines
Deal found 12/20$3,890

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$728
(Kiwi.com)

One-way from

$351
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$961
Provider with most accurate pricing for Santiago Arturo Merino Benitez-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santiago Arturo Merino Benitez-Seattle/Tacoma Intl flights.
Search Deals
From Santiago Arturo Merino Benitez to Seattle/Tacoma Intl
Search Deals
One-way flight from Santiago Arturo Merino Benitez to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Wed 3/4

11:25 pm-10:04 pm

1 stop27h 39m

Seattle/Tacoma Intl

Tue 3/31

10:19 am-5:15 am

2 stops38h 56m

$728

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Thu 2/26

5:50 am-10:57 am

2 stops58h 07m

Seattle/Tacoma Intl

Mon 3/2

8:08 am-4:00 am

2 stops38h 52m

$800

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Thu 2/19

12:35 pm-9:37 am

3 stops50h 02m

Seattle/Tacoma Intl

Tue 3/10

8:08 am-12:15 pm

2 stops48h 07m

$846

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 3/25

4:35 am-11:19 am

3 stops34h 44m

Seattle/Tacoma Intl

Sun 4/5

11:59 pm-1:45 pm

3 stops34h 46m

$877

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Thu 1/29

3:34 am-10:28 pm

3 stops47h 54m

Seattle/Tacoma Intl

Mon 2/9

8:44 am-6:40 am

2 stops40h 56m

$902

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Mon 4/6

10:55 pm-2:19 pm

2 stops42h 24m

Seattle/Tacoma Intl

Thu 4/30

6:33 pm-11:15 am

3 stops37h 42m

$910

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Thu 2/19

8:50 pm-12:58 pm

2 stops21h 08m

Seattle/Tacoma Intl

Tue 3/10

9:40 am-5:35 am

1 stop15h 55m

$929

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Fri 3/6

4:25 pm-7:28 am

3 stops44h 03m

$351

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 1/28

4:25 pm-9:18 am

3 stops45h 53m

$397

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 4/29

11:55 pm-11:29 pm

3 stops50h 34m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 12 results
1
2

Compare providers for flights from Santiago to Seattle

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 Santiago to Seattle in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Santiago-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santiago-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santiago-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santiago-Seattle 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 Santiago-Seattle 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 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 December 19, 2025.

To ensure you get the cheapest price possible for a flight from Santiago to Seattle, you should look to book at least 50 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, October is the cheapest month in which you can book a flight from Santiago to Seattle (average of $201). Flying from Santiago to Seattle in March is currently the most expensive (average of $916). 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 Santiago to Seattle?

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 December 23, 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
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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
8,015 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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
1,894 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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 Santiago to Seattle. 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 Santiago to Seattle round-trip?

    Cheapflights users have booked flights from Santiago to Seattle round-trip from $704. Another airline that can offer you cheap pricing is LATAM Airlines. You may be able to fly from Santiago to Seattle for 29% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Santiago to Seattle one-way?

    For one-way options, check prices for Copa Airlines. According to our data, you can fly for as low as $447. Users have also found prices from $679 and $701 on LATAM Airlines and Delta, respectively.

  • 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, October is the cheapest month in which you can book a flight from Santiago to Seattle (average of $201). Flying from Santiago to Seattle in March is currently the most expensive (average of $916). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis

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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$704Average$1,074FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$838Average$1,229FlexibilityNo cancel feeOn-time81%

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