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Cheap flights from Seattle to Santiago from C$ 1,257

SEA — SCL
24 Oct — 31 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Santiago

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Santiago

Tue 20/1011:00 p.m. -
2 stops29h 15m
Tue 27/1010:50 p.m. -
1 stop25h 10m
Deal found 20/9C$ 1,665
Tue 20/107:15 a.m. -
1 stop20h 10m
Tue 27/1010:50 p.m. -
1 stop20h 31m
Deal found 20/9C$ 1,856
Sun 27/1211:06 p.m. -
1 stop27h 34m
Mon 11/19:50 p.m. -
1 stop21h 48m
Deal found 21/9C$ 1,929
Thu 12/117:15 a.m. -
1 stop18h 40m
Thu 19/1111:50 p.m. -
1 stop28h 10m
Deal found 22/9C$ 1,942
Thu 5/115:30 a.m. -
2 stops20h 25m
Mon 16/1111:10 p.m. -
2 stops20h 20m
Deal found 22/9C$ 1,949
Sat 26/1211:06 p.m. -
1 stop27h 34m
Mon 11/19:50 p.m. -
1 stop21h 48m
Deal found 21/9C$ 1,971
Sat 21/1110:52 p.m. -
1 stop27h 03m
Mon 7/1211:50 p.m. -
1 stop25h 28m
Deal found 21/9C$ 1,984
Sat 21/116:00 a.m. -
2 stops20h 30m
Thu 3/1211:10 p.m. -
2 stops20h 28m
Deal found 21/9C$ 1,991
Wed 23/129:25 p.m. -
1 stop28h 30m
Mon 11/19:50 p.m. -
1 stop21h 48m
Deal found 21/9C$ 2,000
Mon 2/117:15 a.m. -
1 stop18h 40m
Thu 19/1111:50 p.m. -
1 stop19h 40m
Deal found 22/9C$ 2,012
Sat 24/106:00 a.m. -
1 stop21h 40m
Sun 1/1111:10 p.m. -
1 stop22h 06m
Deal found 20/9C$ 2,026

Find flight deals from Seattle to Santiago

Round-trip from

C$ 1,665

One-way from

C$ 1,257

Popular in

July

Cheapest in

November

Average price

C$ 2,063
20/10-27/10
  • 20/10-27/10
  • 3 total stops
  • 54h 25m total
  • Seattle to Santiago
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United Airlines
  • United Airlines
  • 6/11-31/12
  • 1 total stop
  • 20h 45m total
  • Seattle to Santiago
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Highest demand for flights based on searches. 8% potential increase in price (C$ 231 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 69 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Fri 6/11

7:05 a.m.-8:50 a.m.

1 stop20h 45m

Santiago Arturo Merino Benitez

Wed 31/12

12:00 a.m.-7:00 p.m.

Nonstop0h 00m

C$ 1,257

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Mon 25/1

3:51 p.m.-8:50 a.m.

3 stops35h 59m

Santiago Arturo Merino Benitez

Wed 31/12

12:00 a.m.-7:00 p.m.

Nonstop0h 00m

C$ 1,258

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Sun 11/10

3:55 p.m.-8:15 a.m.

1 stop36h 20m

Santiago Arturo Merino Benitez

Wed 31/12

12:00 a.m.-7:00 p.m.

Nonstop0h 00m

C$ 1,260

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Wed 16/12

1:25 p.m.-9:50 p.m.

2 stops27h 25m

Santiago Arturo Merino Benitez

Wed 31/12

12:00 a.m.-7:00 p.m.

Nonstop0h 00m

C$ 1,262
Quickest round-trip

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Fri 6/11

7:22 a.m.-7:40 a.m.

1 stop19h 18m

Santiago Arturo Merino Benitez

Wed 31/12

12:00 a.m.-7:00 p.m.

Nonstop0h 00m

C$ 1,303

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Sat 17/10

11:59 p.m.-8:15 a.m.

1 stop28h 16m

Santiago Arturo Merino Benitez

Wed 31/12

12:00 a.m.-7:00 p.m.

Nonstop0h 00m

C$ 1,319

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Sat 19/12

9:55 p.m.-7:30 a.m.

2 stops28h 35m

Santiago Arturo Merino Benitez

Wed 31/12

12:00 a.m.-7:00 p.m.

Nonstop0h 00m

C$ 1,517

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Sun 20/12

11:20 p.m.-6:55 a.m.

1 stop26h 35m

Santiago Arturo Merino Benitez

Wed 31/12

12:00 a.m.-7:00 p.m.

Nonstop0h 00m

C$ 1,743

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Thu 12/11

7:15 a.m.-6:55 a.m.

1 stop18h 40m

Santiago Arturo Merino Benitez

Tue 17/11

11:50 p.m.-8:18 p.m.

1 stop25h 28m

C$ 1,942

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Thu 29/10

7:22 a.m.-7:40 a.m.

1 stop20h 18m

Santiago Arturo Merino Benitez

Thu 12/11

11:10 p.m.-2:30 p.m.

1 stop20h 20m

C$ 1,942

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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?

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Santiago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Santiago (average of C$ 1,432). Flying from Seattle to Santiago in July is currently the most expensive (average of C$ 2,290). 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.

How much does it cost to fly round-trip from Seattle to Santiago?

Airfare is below average for this route at the moment.

Seattle to Santiago flights typically cost between C$ 1,669 and C$ 2,224 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,665 on Multiple Airlines (20 Oct-27 Oct).

Related info for your journey

  • How long is the flight from Seattle to Santiago?

    For as low as C$ 1,942, Delta can have you in Santiago from Seattle in 18h 40m. The distance between Seattle and Santiago is about 10345 km.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Santiago (average of C$ 1,432). Flying from Seattle to Santiago in July is currently the most expensive (average of C$ 2,290). 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

Travelling to a place near Santiago?

Book flights to Santiago if you plan to visit one of these locations
Valparaíso
Viña del Mar

Browse thousands of different options on Cheapflights for your next trip

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Can Cheapflights find flights from Seattle to Santiago with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Santiago, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to Santiago become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Santiago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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