How long is the flight from Seattle to Santiago?

For as low as $821, Air Canada can have you in Santiago from Seattle in 23h 05m. The distance from Seattle to Santiago is about 6428 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Seattle to Santiago round-trip?

According to our current data, Air Canada ($805), American Airlines ($882), and Copa Airlines ($918) offers the cheapest pricing from Seattle to Santiago. You may be able to fly from Seattle to Santiago for 34% less than the average price by searching for these airlines.

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

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.

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.

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).

What are the most popular airlines that fly from Seattle to Santiago?

Before booking your flight from Seattle to Santiago check out the most popular airlines for this route: American Airlines, Air Canada or Copa Airlines.

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.

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.

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 $48.

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.

$318+ Flights from Seattle to Santiago

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 July, booked 76 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Seattle to Santiago

Round-trip from	$777 (Kiwi.com)
One-way from	$318 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$1,204

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. 2% potential increase in price ($34 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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 September 17, 2025.

Thu 10/3010:08 amSEA - SCL

2 stops30h 12mMultiple Airlines

Thu 11/611:25 pmSCL - SEA

1 stop28h 05mMultiple Airlines

Deal found 9/15

$777

Mon 11/38:53 amSEA - SCL

2 stops32h 22mMultiple Airlines

Mon 11/2410:50 amSCL - SEA

1 stop29h 25mMultiple Airlines

Deal found 9/15

$790

Mon 10/138:30 amSEA - SCL

2 stops33h 45mMultiple Airlines

Mon 10/2010:55 pmSCL - SEA

1 stop27h 35mMultiple Airlines

Deal found 9/15

$809

Tue 10/148:30 amSEA - SCL

2 stops33h 45mMultiple Airlines

Tue 10/2110:55 pmSCL - SEA

1 stop27h 35mMultiple Airlines

Deal found 9/16

$827

Mon 10/278:15 amSEA - SCL

1 stop23h 00mAir Canada

Mon 11/178:55 pmSCL - SEA

1 stop30h 21mAir Canada

Deal found 9/15

$844

Tue 10/145:26 pmSEA - SCL

2 stops30h 16mCopa Airlines

Tue 10/2112:29 pmSCL - SEA

2 stops27h 27mCopa Airlines

Deal found 9/16

$846

Fri 10/101:02 pmSEA - SCL

2 stops27h 18mMultiple Airlines

Wed 10/2910:50 amSCL - SEA

1 stop39h 40mMultiple Airlines

Deal found 9/14

$857

Best flights from Seattle to Santiago
Discover carefully curated flight deals from Seattle to Santiago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Mon 2/28:10 amSEA - SCL

1 stop23h 05mAir Canada

Mon 3/167:55 pmSCL - SEA

2 stops30h 11mAir Canada

Deal found 9/16

$821

Fri 10/317:57 pmSEA - SCL

2 stops44h 24mMultiple Airlines

Tue 11/1111:25 pmSCL - SEA

1 stop28h 05mMultiple Airlines

Deal found 9/15

$883

Mon 1/55:05 pmSEA - SCL

2 stops29h 12mCopa Airlines

Tue 4/284:20 amSCL - SEA

2 stops20h 58mCopa Airlines

Deal found 9/15

$931

Tue 2/179:30 amSEA - SCL

1 stop30h 45mAeromexico

Fri 2/2711:25 pmSCL - SEA

1 stop25h 35mAeromexico

Deal found 9/15

$1,012

Tue 12/92:11 pmSEA - SCL

2 stops22h 09mDelta

Tue 2/176:30 pmSCL - SEA

2 stops22h 59mDelta

Deal found 9/15

$1,014

Wed 3/113:00 pmSEA - SCL

2 stops32h 58mCopa Airlines

Sun 3/223:32 amSCL - SEA

2 stops38h 26mCopa Airlines

Deal found 9/15

$949

Thu 10/307:25 amSEA - SCL

1 stop20h 15mDelta

Thu 11/611:10 pmSCL - SEA

1 stop26h 35mDelta

Deal found 9/15

$1,014

Tue 9/305:26 pmSEA - SCL

2 stops22h 54mCopa Airlines

Mon 10/61:24 amSCL - SEA

2 stops24h 29mCopa Airlines

Deal found 9/15

$986

Last-minute flights from Seattle to Santiago
Discover last-minute flight deals from Seattle to Santiago. Data last updated September 17, 2025 and is based on user searches.

Fri 10/101:02 pmSEA - SCL

2 stops27h 18mMultiple Airlines

Wed 10/2910:50 amSCL - SEA

1 stop39h 40mMultiple Airlines

Deal found 9/14

$857

Mon 10/138:30 amSEA - SCL

2 stops33h 45mMultiple Airlines

Mon 10/2010:55 pmSCL - SEA

1 stop27h 35mMultiple Airlines

Deal found 9/15

$809

Tue 10/148:30 amSEA - SCL

2 stops33h 45mMultiple Airlines

Tue 10/2110:55 pmSCL - SEA

1 stop27h 35mMultiple Airlines

Deal found 9/16

$827

Tue 10/145:26 pmSEA - SCL

2 stops30h 16mCopa Airlines

Tue 10/2112:29 pmSCL - SEA

2 stops27h 27mCopa Airlines

Deal found 9/16

$846

Mon 10/278:15 amSEA - SCL

1 stop23h 00mAir Canada

Mon 11/178:55 pmSCL - SEA

1 stop30h 21mAir Canada

Deal found 9/15

$844

Thu 10/3010:08 amSEA - SCL

2 stops30h 12mMultiple Airlines

Thu 11/611:25 pmSCL - SEA

1 stop28h 05mMultiple Airlines

Deal found 9/15

$777

Fri 10/317:57 pmSEA - SCL

2 stops44h 24mMultiple Airlines

Tue 11/1111:25 pmSCL - SEA

1 stop28h 05mMultiple Airlines

Deal found 9/15

$883

One-way flights from Seattle to Santiago
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Tue 10/148:15 pmSEA - SCL

3 stops23h 15mMultiple Airlines

Deal found 9/16

$318

Tue 10/285:57 pmSEA - SCL

3 stops31h 33mMultiple Airlines

Deal found 9/17

$323

Wed 10/158:15 pmSEA - SCL

3 stops47h 15mMultiple Airlines

Deal found 9/16

$324

Mon 10/279:32 pmSEA - SCL

3 stops46h 58mMultiple Airlines

Deal found 9/17

$334

Mon 1/55:20 amSEA - SCL

3 stops41h 15mMultiple Airlines

Deal found 9/15

$337

Sat 11/13:50 pmSEA - SCL

3 stops43h 30mMultiple Airlines

Deal found 9/17

$342

Sun 10/268:53 amSEA - SCL

2 stops33h 22mMultiple Airlines

Deal found 9/17

$349

Sat 11/1512:58 pmSEA - SCL

3 stops28h 17mMultiple Airlines

Deal found 9/15

$351

Wed 10/298:05 amSEA - SCL

3 stops27h 15mMultiple Airlines

Deal found 9/17

$366

Mon 10/61:47 pmSEA - SCL

3 stops30h 17mMultiple Airlines

Deal found 9/16

$369

Fly from

Fly to

Route

Depart

Return

Price

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 2/2

8:10 am-12:15 pm

1 stop23h 05m

Santiago Arturo Merino Benitez

Mon 3/16

7:55 pm-10:06 pm

2 stops30h 11m

$821

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Fri 10/31

7:57 pm-8:21 pm

2 stops44h 24m

Santiago Arturo Merino Benitez

Tue 11/11

11:25 pm-10:30 pm

1 stop28h 05m

$883

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 1/5

5:05 pm-3:17 am

2 stops29h 12m

Santiago Arturo Merino Benitez

Tue 4/28

4:20 am-10:18 pm

2 stops20h 58m

$931

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 3/11

3:00 pm-3:58 am

2 stops32h 58m

Santiago Arturo Merino Benitez

Sun 3/22

3:32 am-1:58 pm

2 stops38h 26m

$949

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 9/30

5:26 pm-8:20 pm

2 stops22h 54m

Santiago Arturo Merino Benitez

Mon 10/6

1:24 am-9:53 pm

2 stops24h 29m

$986

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 2/17

9:30 am-9:15 pm

1 stop30h 45m

Santiago Arturo Merino Benitez

Fri 2/27

11:25 pm-8:00 pm

1 stop25h 35m

$1,012

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 12/9

2:11 pm-5:20 pm

2 stops22h 09m

Santiago Arturo Merino Benitez

Tue 2/17

6:30 pm-12:29 pm

2 stops22h 59m

$1,014

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 10/30

7:25 am-7:40 am

1 stop20h 15m

Santiago Arturo Merino Benitez

Thu 11/6

11:10 pm-8:45 pm

1 stop26h 35m

$1,014

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 10/14

8:15 pm-11:30 pm

3 stops23h 15m

$318

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 10/27

9:32 pm-12:30 am

3 stops46h 58m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results

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?

The best time to book flights from Seattle to Santiago is 76 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?

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.

Reviews of airlines servicing Santiago

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

7,961 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,961 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Copa Airlines

7.6

Good

1,533 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LATAM Airlines

7.5

Good

1,849 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

How long is the flight from Seattle to Santiago?
For as low as $821, Air Canada can have you in Santiago from Seattle in 23h 05m. The distance from Seattle to Santiago is about 6428 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Seattle to Santiago round-trip?
According to our current data, Air Canada ($805), American Airlines ($882), and Copa Airlines ($918) offers the cheapest pricing from Seattle to Santiago. You may be able to fly from Seattle to Santiago for 34% less than the average price by searching for these airlines.
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 $48.
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

Alternative routes for Seattle to Santiago

Portland to Santiago flights

Spokane to Santiago flights

Pasco to Santiago flights

Portland to Easter Island flights

Seattle to Puerto Montt flights

Portland to Punta Arenas flights

Portland to Temuco flights

Seattle to Concepción flights

Seattle to Temuco flights

Other flights to Santiago

Top 6 airlines flying from Seattle to Santiago

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$805	Average$933	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$882	Average$1,239	FlexibilityNo cancel fee	On-time71%
Copa Airlines	Cheapest$918	Average$1,084	FlexibilityNo cancel fee	On-time70%
LATAM Airlines	Cheapest$994	Average$1,287	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$1,002	Average$1,335	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$1,068	Average$1,273	FlexibilityNo cancel fee	On-time69%

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.

$318+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Santiago with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez are usually found in November or July, booked 76 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Seattle to Santiago

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Santiago

Cheapest flights from Seattle to SantiagoExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Santiago that are best for you.

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.

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?

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

What is the cheapest time of day to fly from SEA to SCL?

Reviews of airlines servicing Santiago

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.

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.

How long is the flight from Seattle to Santiago?

What are the cheapest airlines flying from Seattle to Santiago round-trip?

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

What are some popular things to do or see while on a layover in Dallas?

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

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

How can I find direct flights from Seattle to Santiago?

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

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

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.

Alternative routes for Seattle to Santiago

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Seattle to Santiago

100% Free

Book with Flexibility

Travel Smart

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 September 17, 2025.