$423 Cheap Flights from Seattle (SEA) to Santiago (SCL)

View $423 flight on Thu, Jan 22, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Santiago Intl. Airport (SCL)

Cheap Flights from Seattle to Santiago (SEA-SCL)

Prices were available within the past 7 days and start at $423 for one-way flights and $826 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Nov 24 - Tue, Dec 9
SEA
Seattle
SCL
Santiago
$826 Roundtrip, found 1 hour ago
$826
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Mon, Nov 24 from Seattle to Santiago, returning Tue, Dec 9, priced at $826 found 1 hour ago
Air Canada
Tue, Jan 20 - Tue, Feb 3
SEA
Seattle
SCL
Santiago
$828 Roundtrip, found 23 hours ago
$828
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Tue, Jan 20 from Seattle to Santiago, returning Tue, Feb 3, priced at $828 found 23 hours ago
Air Canada
Thu, Jan 22 - Wed, Feb 4
SEA
Seattle
SCL
Santiago
$829 Roundtrip, found 3 hours ago
$829
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Thu, Jan 22 from Seattle to Santiago, returning Wed, Feb 4, priced at $829 found 3 hours ago
Air Canada
Sun, Mar 1 - Mon, Mar 9
SEA
Seattle
SCL
Santiago
$834 Roundtrip, found 1 hour ago
$834
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Sun, Mar 1 from Seattle to Santiago, returning Mon, Mar 9, priced at $834 found 1 hour ago
Air Canada
Tue, Jan 20 - Tue, Feb 3
SEA
Seattle
SCL
Santiago
$835 Roundtrip, found 23 hours ago
$835
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Tue, Jan 20 from Seattle to Santiago, returning Tue, Feb 3, priced at $835 found 23 hours ago
Air Canada
Thu, Jan 22 - Wed, Feb 4
SEA
Seattle
SCL
Santiago
$836 Roundtrip, found 4 hours ago
$836
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Thu, Jan 22 from Seattle to Santiago, returning Wed, Feb 4, priced at $836 found 4 hours ago
Copa
Wed, Nov 12 - Wed, Nov 19
SEA
Seattle
SCL
Santiago
$934 Roundtrip, found 2 hours ago
$934
Roundtrip
found 2 hours ago
Select Copa flight, departing Wed, Nov 12 from Seattle to Santiago, returning Wed, Nov 19, priced at $934 found 2 hours ago
Delta
Thu, Jan 8 - Sun, Jan 18
SEA
Seattle
SCL
Santiago
$964 Roundtrip, just found
$964
Roundtrip
just found
Select Delta flight, departing Thu, Jan 8 from Seattle to Santiago, returning Sun, Jan 18, priced at $964 just found
United
Mon, Mar 2 - Mon, Mar 9
SEA
Seattle
SCL
Santiago
$964 Roundtrip, found 1 hour ago
$964
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Mar 2 from Seattle to Santiago, returning Mon, Mar 9, priced at $964 found 1 hour ago
Aeromexico
Thu, Mar 5 - Mon, Mar 9
SEA
Seattle
SCL
Santiago
$978 Roundtrip, found 1 hour ago
$978
Roundtrip
found 1 hour ago
Select Aeromexico flight, departing Thu, Mar 5 from Seattle to Santiago, returning Mon, Mar 9, priced at $978 found 1 hour ago

Find the cheapest month to fly from Seattle (SEA) to Santiago (SCL)

May is typically the cheapest month to fly

From $618 - $1,422 per traveler.

Alternative airports near Santiago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Arturo Merino Benitez SCL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $934
SCL
Arturo Merino Benitez
CheapestClosest
Average driving time to city center17 min
Flights from $934

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL) cost?
Secure a cheap one-way flight from $423 or cheap return flight from $826 from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL)?
The cheapest month to fly from SEA to SCL is November, when there's less demand. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SEA to SCL. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to SCL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL)?
To touch down at Arturo Merino Benitez Airport (SCL) on time, choose a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL) last-minute?
Booking your flight from SEA to SCL right before your trip is typically more expensive. However, if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a SEA to SCL flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to SCL flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Arturo Merino Benitez Airport (SCL)?
Typically, you're able to cancel or reschedule your SEA to SCL flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Arturo Merino Benitez
Airlines serving
Aeromexico, Air Canada, American Airlines, Copa, Delta, LATAM Airlines Group, United, avianca
Roundtrip price
$825
Distance
6432 mi

Book with confidence

Seattle to Santiago Flights

The cheapest times to fly from Seattle to Santiago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Santiago are during the month of November. You can find some of the cheapest flights from Seattle to Santiago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Santiago

Sunday is one of the best days to book for cheap flights from Seattle to Santiago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Santiago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Santiago in 2025. You can also book with separate airlines for your outbound and return journeys, from $423 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Santiago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Santiago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Santiago Flights

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*Available to One Key members.