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$348+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — SEA
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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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 February 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/245:15 am
SCL
-
SEA
2 stops20h 45m
Multiple Airlines
Tue 3/318:05 am
SEA
-
SCL
1 stop17h 30m
Multiple Airlines
Deal found 2/6$776
This FlightHub deal was found by Cheapflights users on 2/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:15 am
SCL
-
SEA
2 stops20h 33m
LATAM Airlines
Mon 3/168:00 am
SEA
-
SCL
1 stop18h 45m
LATAM Airlines
Deal found 2/7$875
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 4/224:50 pm
SCL
-
SEA
2 stops32h 15m
Multiple Airlines
Wed 4/292:20 pm
SEA
-
SCL
1 stop37h 30m
Multiple Airlines
Deal found 2/5$891
This eDestinos deal was found by Cheapflights users on 2/5. 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.
Thu 4/3012:38 am
SCL
-
SEA
2 stops49h 51m
Multiple Airlines
Sat 5/165:42 pm
SEA
-
SCL
3 stops57h 18m
Multiple Airlines
Deal found 2/5$893
This LATAM Airlines deal was found by Cheapflights users on 2/6. 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.
Fri 3/68:10 am
SCL
-
SEA
2 stops20h 15m
LATAM Airlines
Fri 3/137:20 am
SEA
-
SCL
1 stop18h 35m
LATAM Airlines
Deal found 2/6$899
This United Airlines deal was found by Cheapflights users on 2/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:45 pm
SCL
-
SEA
2 stops24h 19m
United Airlines
Fri 3/1311:59 pm
SEA
-
SCL
2 stops27h 51m
United Airlines
Deal found 2/6$903
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 3/911:40 pm
SCL
-
SEA
1 stop21h 29m
Multiple Airlines
Mon 3/1610:51 pm
SEA
-
SCL
1 stop27h 04m
Multiple Airlines
Deal found 2/7$905
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:30 pm
SCL
-
SEA
1 stop25h 30m
Delta
Wed 3/47:10 am
SEA
-
SCL
1 stop18h 45m
Delta
Deal found 2/5$906
This United Airlines deal was found by Cheapflights users on 2/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:45 pm
SCL
-
SEA
2 stops24h 18m
United Airlines
Thu 3/55:00 am
SEA
-
SCL
2 stops22h 50m
United Airlines
Deal found 2/7$908
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:45 pm
SCL
-
SEA
1 stop25h 40m
United Airlines
Sun 3/86:45 am
SEA
-
SCL
1 stop21h 05m
United Airlines
Deal found 2/4$915

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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$776
(Kiwi.com)

One-way from

$348
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$967
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. 12% potential increase in price ($148 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 February 2026
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 February 8, 2026.
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

Tue 3/24

5:15 am-10:00 pm

2 stops20h 45m

Seattle/Tacoma Intl

Tue 3/31

8:05 am-5:35 am

1 stop17h 30m

$776

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 4/22

4:50 pm-10:05 pm

2 stops32h 15m

Seattle/Tacoma Intl

Wed 4/29

2:20 pm-6:50 am

1 stop37h 30m

$891

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Fri 3/6

11:55 pm-12:58 pm

1 stop18h 03m

Seattle/Tacoma Intl

Fri 3/13

7:20 am-5:55 am

1 stop18h 35m

$899

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Fri 3/6

10:45 pm-6:04 pm

2 stops24h 19m

Seattle/Tacoma Intl

Fri 3/13

11:59 pm-7:50 am

2 stops27h 51m

$903

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Mon 3/9

11:40 pm-5:09 pm

1 stop21h 29m

Seattle/Tacoma Intl

Mon 3/16

10:51 pm-5:55 am

1 stop27h 04m

$905

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Mon 3/9

11:25 pm-6:56 pm

2 stops23h 31m

Seattle/Tacoma Intl

Mon 3/16

5:30 am-5:55 am

2 stops20h 25m

$906

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Thu 2/19

11:10 pm-6:43 pm

1 stop24h 33m

Seattle/Tacoma Intl

Wed 3/4

5:30 am-6:55 am

2 stops20h 25m

$906

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 2/25

10:45 pm-6:03 pm

2 stops24h 18m

Seattle/Tacoma Intl

Thu 3/5

5:00 am-8:50 am

2 stops22h 50m

$908

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 3/4

10:45 pm-7:25 pm

1 stop25h 40m

Seattle/Tacoma Intl

Sun 3/8

6:45 am-7:50 am

1 stop21h 05m

$915

SantiagoSeattle

SCL - SEA

SCLSEA

Santiago Arturo Merino Benitez

Wed 3/4

7:15 am-11:19 am

3 stops57h 04m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 15 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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 30, 2026.

To ensure you get the cheapest price possible for a flight from Santiago to Seattle, you should look to book at least 2 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 $915). 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 February 8, 2026.
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
8,172 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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
8,172 reviews
Delta
7.9
Good
8,172 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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
1,916 reviews
Delta
7.9
Good
8,172 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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.

  • How long is the flight from Santiago to Seattle?

    There are many flights that can get you from Santiago to Seattle in 18h 03m. Fly via LATAM Airlines or United Airlines to get the fastest option. The distance between Santiago and Seattle is about 6428 mi. This flight may include one or multiple stops.

  • 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 $661 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 $915). 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
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
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 February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$704Average$1,079FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$1,030Average$1,229FlexibilityNo cancel feeOn-time81%

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