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$345+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez are usually found in November or February, booked 49 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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$786
(Mytrip)

One-way from

$345
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,072
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. 9% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/29:48 amSEA - SCL
3 stops33h 56mMultiple Airlines
lun. 4/144:17 amSCL - SEA
2 stops33h 20mMultiple Airlines
Deal found 2/20$786
This Copa Airlines deal was found by Cheapflights users on 2/18. 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.
lun. 3/103:01 pmSEA - SCL
2 stops25h 18mCopa Airlines
lun. 3/175:33 amSCL - SEA
2 stops36h 05mCopa Airlines
Deal found 2/18$902
This LATAM Airlines deal was found by Cheapflights users on 2/19. 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.
jue. 12/47:20 amSEA - SCL
1 stop18h 40mLATAM Airlines
jue. 12/1110:55 pmSCL - SEA
1 stop20h 27mLATAM Airlines
Deal found 2/19$1,054
This Delta deal was found by Cheapflights users on 2/19. 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.
mié. 12/312:40 amSEA - SCL
2 stops25h 15mDelta
jue. 12/1110:50 pmSCL - SEA
2 stops20h 55mDelta
Deal found 2/19$1,058
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 12/312:28 amSEA - SCL
1 stop26h 22mAmerican Airlines
jue. 12/1111:45 pmSCL - SEA
1 stop22h 18mAmerican Airlines
Deal found 2/19$1,068
This Aeromexico deal was found by Cheapflights users on 2/18. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/49:30 amSEA - SCL
1 stop30h 45mAeromexico
sáb. 12/1311:25 pmSCL - SEA
1 stop25h 35mAeromexico
Deal found 2/18$1,082
This United Airlines deal was found by Cheapflights users on 2/19. 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.
jue. 12/46:30 amSEA - SCL
2 stops21h 20mUnited Airlines
jue. 12/1110:45 pmSCL - SEA
3 stops27h 09mUnited Airlines
Deal found 2/19$1,154
This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/207:05 pmSEA - SCL
2 stops37h 15mAir Canada
lun. 3/317:50 pmSCL - SEA
1 stop29h 36mAir Canada
Deal found 2/20$1,298

Find flights from Seattle to Santiago within your budget

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 febrero 20, 2025.

Fly from

Seattle

Fly to

Santiago

Route

Depart

Return

Price

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

mié. 4/2

9:48 am-11:44 pm

3 stops33h 56m

Santiago Arturo Merino Benitez

lun. 4/14

4:17 am-10:37 am

2 stops33h 20m

$786

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

lun. 3/10

3:01 pm-8:19 pm

2 stops25h 18m

Santiago Arturo Merino Benitez

lun. 3/17

5:33 am-1:38 pm

2 stops36h 05m

$902

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

dom. 6/1

7:10 am-5:30 am

2 stops19h 20m

Santiago Arturo Merino Benitez

dom. 6/15

10:55 pm-7:39 pm

1 stop23h 44m

$1,140

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

sáb. 5/24

12:24 am-7:05 am

1 stop27h 41m

Santiago Arturo Merino Benitez

dom. 6/8

9:55 pm-11:06 pm

1 stop28h 11m

$1,223

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

vie. 3/14

10:24 am-9:15 pm

1 stop30h 51m

Santiago Arturo Merino Benitez

dom. 3/23

11:15 pm-7:54 pm

1 stop24h 39m

$1,266

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

jue. 3/20

7:05 pm-12:20 pm

2 stops37h 15m

Santiago Arturo Merino Benitez

lun. 3/31

7:50 pm-9:26 pm

1 stop29h 36m

$1,298

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

sáb. 4/19

12:00 pm-1:25 pm

2 stops22h 25m

Santiago Arturo Merino Benitez

dom. 5/11

10:55 pm-7:34 pm

1 stop23h 39m

$1,334

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

vie. 3/14

5:00 am-7:50 am

2 stops22h 50m

Santiago Arturo Merino Benitez

dom. 3/23

9:45 pm-6:38 pm

3 stops24h 53m

$1,488

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

mié. 3/19

10:00 am-11:55 pm

2 stops33h 55m

$345

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

mié. 3/19

7:05 pm-12:20 pm

2 stops61h 15m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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

Travel insights for flights from Seattle to Santiago

Get recent, data-driven insights about flights from Seattle to Santiago including ideal travel times, pricing trends, and more.

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 February 14, 2025.

The best time to book flights from Seattle to Santiago is 47 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 febrero 20, 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.

What is the cheapest day to fly from Seattle to Santiago?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Santiago. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Santiago flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Santiago by month

Plan your trip to Santiago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago ranges from 0.0 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Santiago when rainfall is around 0.0 in.

Temperature in Santiago by month

Plan your trip to Santiago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 46.4 F).

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 febrero 20, 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.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines
7.6
Good
1,510 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines
7.5
Good
1,795 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico
7.5
Good
1,771 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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, Copa Airlines ($902), LATAM Airlines ($1,140), and American Airlines ($1,223) offers the cheapest pricing from Seattle to Santiago. You may be able to fly from Seattle to Santiago for 25% 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 $445 on Air Canada. Other airlines that offer cheap prices include Copa Airlines from $454 and Delta from $663 one-way.

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

    Most of the time, Seattle to Santiago flights that have layovers will stop in Dallas.

  • 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, Dos Equis Pavilion, and Majestic Theatre. American Airlines Center, Dos Equis Pavilion, and Majestic Theatre can be visited by traveling about 15.0 mi, 18.3 mi, and 16.1 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 $50.

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

    Seattle to Santiago flights that have layovers will least frequently stop in Los Angeles.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$895Average$1,084FlexibilityNo cancel feeOn-time70%
DeltaCheapest$907Average$1,302FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$922Average$1,152FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$952Average$1,303FlexibilityNo cancel feeOn-time81%
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