HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santiago

$405+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Santiago with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$842
(Kiwi.com)

One-way from

$405
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,310
Provider with most accurate pricing for Seattle/Tacoma Intl-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Santiago Arturo Merino Benitez flights.
Search Deals
From Seattle/Tacoma Intl to Santiago Arturo Merino Benitez
Search Deals
One-way flight from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/1510:06 amSEA - SCL
1 stop16h 54mMultiple Airlines
Sat 5/2410:45 pmSCL - SEA
1 stop16h 45mMultiple Airlines
Deal found 4/16$842
This FlightHub deal was found by Cheapflights users on 4/17. 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.
Thu 10/210:55 pmSEA - SCL
1 stop26h 50mLATAM Airlines
Sun 10/129:40 pmSCL - SEA
1 stop27h 09mLATAM Airlines
Deal found 4/17$934
This Delta deal was found by Cheapflights users on 4/17. 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 10/28:15 pmSEA - SCL
1 stop29h 45mDelta
Sun 10/1210:55 pmSCL - SEA
2 stops21h 40mDelta
Deal found 4/17$945
This Copa Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 10/95:14 pmSEA - SCL
2 stops30h 29mCopa Airlines
Wed 10/153:23 amSCL - SEA
2 stops36h 32mCopa Airlines
Deal found 4/16$956
This Aeromexico deal was found by Cheapflights users on 4/16. 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.
Thu 12/49:30 amSEA - SCL
1 stop30h 45mAeromexico
Mon 12/1511:25 pmSCL - SEA
1 stop25h 35mAeromexico
Deal found 4/16$968
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Wed 10/2911:35 amSEA - SCL
1 stop19h 35mAir Canada
Wed 12/108:50 pmSCL - SEA
2 stops26h 35mAir Canada
Deal found 4/17$1,042
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 12/312:28 amSEA - SCL
1 stop26h 22mAmerican Airlines
Mon 12/1511:45 pmSCL - SEA
1 stop24h 11mAmerican Airlines
Deal found 4/16$1,068
This United Airlines deal was found by Cheapflights users on 4/17. 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 10/296:30 amSEA - SCL
2 stops21h 20mUnited Airlines
Wed 12/1010:45 pmSCL - SEA
3 stops21h 30mUnited Airlines
Deal found 4/17$1,083
This Ovago deal was found by Cheapflights users on 4/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:00 amSEA - SCL
2 stops35h 30mAvianca
Thu 9/2512:55 amSCL - SEA
2 stops23h 47mAvianca
Deal found 4/16$1,238

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 April 17, 2025.
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

Thu 5/15

10:06 am-6:00 am

1 stop16h 54m

Santiago Arturo Merino Benitez

Sat 5/24

10:45 pm-12:30 pm

1 stop16h 45m

$842

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 10/2

10:55 pm-5:45 am

1 stop26h 50m

Santiago Arturo Merino Benitez

Sun 10/12

9:40 pm-8:49 pm

1 stop27h 09m

$934

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 10/2

8:15 pm-6:00 am

1 stop29h 45m

Santiago Arturo Merino Benitez

Sun 10/12

10:55 pm-4:35 pm

2 stops21h 40m

$945

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 10/9

5:14 pm-3:43 am

2 stops30h 29m

Santiago Arturo Merino Benitez

Wed 10/15

3:23 am-11:55 am

2 stops36h 32m

$956

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 9/16

8:00 am-11:30 pm

2 stops35h 30m

Santiago Arturo Merino Benitez

Thu 9/25

12:55 am-8:42 pm

2 stops23h 47m

$1,238

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 5/31

12:24 am-6:55 am

1 stop27h 31m

Santiago Arturo Merino Benitez

Sun 6/8

9:55 pm-11:47 pm

1 stop28h 52m

$1,384

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 5/15

8:25 am-1:25 pm

3 stops26h 00m

$405

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 5/31

5:14 pm-7:24 pm

2 stops23h 10m

$459

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 5/14

12:24 am-6:55 am

1 stop27h 31m

$698

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 5/31

7:40 am-12:35 pm

3 stops25h 55m

$1,141

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Santiago flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 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 April 17, 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 April 17, 2025.
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,409 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,761 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.
Avianca
6.7
Okay
2,316 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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, LATAM Airlines ($934), Delta ($945), and Copa Airlines ($956) 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 $459 on Copa Airlines. Other airlines that offer cheap prices include American Airlines from $698 and LATAM Airlines from $1,141 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, Dallas World Aquarium, and Dos Equis Pavilion. American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion can be visited by traveling about 15.0 mi, 15.5 mi, and 18.3 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 $57.

  • 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

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

Top 5 airlines flying from Seattle to Santiago

Discover the top 5 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$811Average$973FlexibilityNo cancel feeOn-time67%
Copa AirlinesCheapest$912Average$1,084FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$915Average$1,150FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$1,008Average$1,330FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,032Average$1,349FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.