Cheap flights from Seattle to Santiago from C$ 1,323

SEA — SCL
10 Dec — 17 Dec1
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

Thu 19/116:00 a.m. -
2 stops20h 30m
Mon 23/1111:10 p.m. -
1 stop16h 46m
Deal found 9/11C$ 1,744
Thu 19/116:00 a.m. -
2 stops20h 30m
Sun 22/1111:55 p.m. -
1 stop17h 45m
Deal found 9/11C$ 1,984
Wed 9/127:00 a.m. -
2 stops20h 50m
Sun 20/1210:45 p.m. -
3 stops29h 33m
Deal found 8/11C$ 1,989
Tue 15/126:00 a.m. -
2 stops18h 05m
Tue 22/129:45 a.m. -
2 stops19h 25m
Deal found 9/11C$ 2,018
Sat 12/1212:25 p.m. -
2 stops26h 46m
Mon 21/121:07 a.m. -
2 stops27h 11m
Deal found 10/11C$ 2,099
Sat 12/1211:59 p.m. -
1 stop25h 41m
Tue 22/129:45 a.m. -
1 stop17h 13m
Deal found 10/11C$ 2,181
Mon 21/125:34 p.m. -
2 stops58h 16m
Mon 28/1210:45 p.m. -
2 stops28h 47m
Deal found 6/11C$ 2,194
Tue 8/126:15 a.m. -
2 stops21h 35m
Sat 19/1210:45 p.m. -
3 stops27h 40m
Deal found 10/11C$ 2,214
Tue 22/126:00 a.m. -
1 stop20h 40m
Wed 30/124:10 a.m. -
2 stops23h 25m
Deal found 5/11C$ 2,280
Wed 23/1211:06 p.m. -
2 stops26h 54m
Wed 30/124:10 a.m. -
2 stops23h 25m
Deal found 5/11C$ 2,286

Find flight deals from Seattle to Santiago

Round-trip from

C$ 1,744

One-way from

C$ 1,323

Popular in

July

Cheapest in

April

Average price

C$ 1,910
Delta
  • Delta
  • 3/3-17/3
  • 2 total stops
  • 41h 09m total
  • Seattle to Santiago
United Airlines
  • United Airlines
  • 15/12-31/12
  • 1 total stop
  • 20h 50m total
  • Seattle to Santiago
Highest demand for flights based on searches. 2% potential increase in price (C$ 65 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 53 potential savings vs. average RT price).
Average for round-trip flights in November 2026

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

Tue 15/12

7:00 a.m.-8:50 a.m.

1 stop20h 50m

Santiago Arturo Merino Benitez

Wed 31/12

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

Nonstop0h 00m

C$ 1,323

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Mon 14/12

11:59 p.m.-6:40 a.m.

1 stop25h 41m

Santiago Arturo Merino Benitez

Wed 31/12

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

Nonstop0h 00m

C$ 1,323
Quickest round-trip

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Sat 13/2

9:37 a.m.-5:35 a.m.

1 stop14h 58m

Santiago Arturo Merino Benitez

Wed 31/12

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

Nonstop0h 00m

C$ 1,366

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Sun 20/12

7:55 p.m.-5:35 a.m.

1 stop28h 40m

Santiago Arturo Merino Benitez

Wed 31/12

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

Nonstop0h 00m

C$ 1,433

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Thu 25/2

2:30 p.m.-9:50 p.m.

2 stops26h 20m

Santiago Arturo Merino Benitez

Tue 16/3

10:50 p.m.-10:02 p.m.

1 stop27h 12m

C$ 1,744

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Wed 3/3

6:10 a.m.-6:40 a.m.

1 stop19h 30m

Santiago Arturo Merino Benitez

Wed 17/3

9:55 p.m.-2:47 p.m.

2 stops20h 52m

C$ 1,744

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Mon 15/2

7:15 a.m.-5:35 a.m.

1 stop17h 20m

Santiago Arturo Merino Benitez

Wed 10/3

11:10 p.m.-1:52 p.m.

1 stop19h 42m

C$ 1,744

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Tue 1/12

6:00 a.m.-5:20 a.m.

2 stops18h 20m

Santiago Arturo Merino Benitez

Mon 14/12

11:10 p.m.-8:50 p.m.

1 stop26h 40m

C$ 1,744

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Wed 3/3

7:40 a.m.-6:55 a.m.

1 stop18h 15m

Santiago Arturo Merino Benitez

Fri 12/3

11:50 p.m.-10:02 p.m.

1 stop27h 12m

C$ 1,984

SeattleSantiago

SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez

SEASCL

Seattle/Tacoma Intl

Fri 12/2

8:01 a.m.-7:00 a.m.

1 stop17h 59m

Santiago Arturo Merino Benitez

Wed 10/3

11:10 p.m.-12:23 p.m.

1 stop18h 13m

C$ 1,984

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 14 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 85 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, April is the cheapest month in which you can book a flight from Seattle to Santiago (average of C$ 1,600). Flying from Seattle to Santiago in July is currently the most expensive (average of C$ 2,288). 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 typical for this route at the moment.

Seattle to Santiago flights typically cost between C$ 1,522 and C$ 2,030 in February.
The cheapest round-trip price found within the last 5 days was C$ 1,744 on Delta (10 Feb-4 Mar).

Related info for your journey

  • How long is the flight from Seattle to Santiago?

    For as low as C$ 1,744, Delta can have you in Santiago from Seattle in 20h 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, April is the cheapest month in which you can book a flight from Seattle to Santiago (average of C$ 1,600). Flying from Seattle to Santiago in July is currently the most expensive (average of C$ 2,288). 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

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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.

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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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