$352+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Santiago
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Best
Last-minute
One-way
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 June 23, 2026.
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 June 23, 2026.
This Air Canada deal was found by Cheapflights users on 6/21. 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 10/2810:10 am
SEA
- SCL
2 stops20h 05m
Air Canada
Wed 12/27:25 am
SCL
- SEA
2 stops39h 57m
Air Canada
Deal found 6/21![Air Canada logo]()
$922
This Air Canada deal was found by Cheapflights users on 6/20. 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.
Sat 11/77:05 pm
SEA
- SCL
2 stops35h 10m
Air Canada
Thu 11/128:55 pm
SCL
- SEA
2 stops22h 42m
Air Canada
Deal found 6/20![Air Canada logo]()
$927
This Gotogate deal was found by Cheapflights users on 6/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:05 pm
SEA
- SCL
2 stops53h 45m
Air Canada
Sun 12/207:25 am
SCL
- SEA
2 stops42h 29m
Air Canada
Deal found 6/21![Air Canada logo]()
$930
This Air Canada deal was found by Cheapflights users on 6/22. 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 11/47:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Sat 1/308:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/22![Air Canada logo]()
$982
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Sun 9/136:49 am
SEA
- SCL
1 stop18h 46m
Multiple Airlines
Wed 9/164:20 pm
SCL
- SEA
2 stops21h 17m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,017
This Mytrip deal was found by Cheapflights users on 6/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:05 pm
SEA
- SCL
2 stops35h 10m
Multiple Airlines
Wed 12/911:10 pm
SCL
- SEA
3 stops26h 44m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$1,034
This FlightHub deal was found by Cheapflights users on 6/21. 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.
Wed 10/146:00 am
SEA
- SCL
1 stop22h 15m
LATAM Airlines
Wed 11/47:40 am
SCL
- SEA
2 stops21h 38m
LATAM Airlines
Deal found 6/21![LATAM Airlines logo]()
$1,037
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Wed 9/28:10 pm
SEA
- SCL
1 stop30h 25m
Multiple Airlines
Mon 9/74:20 pm
SCL
- SEA
2 stops21h 17m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$1,039
This Expedia deal was found by Cheapflights users on 6/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:45 am
SEA
- SCL
1 stop23h 30m
Multiple Airlines
Wed 12/212:25 am
SCL
- SEA
1 stop24h 30m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,056
This FlightHub deal was found by Cheapflights users on 6/19. 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.
Wed 11/48:25 am
SEA
- SCL
1 stop16h 10m
LATAM Airlines
Wed 11/257:45 pm
SCL
- SEA
2 stops22h 15m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$1,058
This Priceline deal was found by Cheapflights users on 6/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:45 am
SEA
- SCL
1 stop22h 30m
Multiple Airlines
Wed 12/211:25 pm
SCL
- SEA
1 stop25h 30m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,061
Best flights from Seattle to SantiagoDiscover 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 June 23, 2026.
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 June 23, 2026.
This Air Canada deal was found by Cheapflights users on 6/21. 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.
Sun 11/227:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Sun 12/67:25 am
SCL
- SEA
2 stops39h 57m
Air Canada
Deal found 6/21![Air Canada logo]()
$922
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 10/146:00 am
SEA
- SCL
1 stop22h 15m
Delta
Wed 11/411:25 pm
SCL
- SEA
1 stop20h 22m
Delta
Deal found 6/21![Delta logo]()
$1,085
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:35 pm
SEA
- SCL
3 stops31h 20m
Multiple Airlines
Tue 10/68:30 am
SCL
- SEA
3 stops33h 52m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,159
This FlightHub deal was found by Cheapflights users on 6/19. 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.
Wed 10/148:25 am
SEA
- SCL
1 stop18h 30m
LATAM Airlines
Wed 11/46:45 pm
SCL
- SEA
2 stops23h 15m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$1,198
This Copa Airlines deal was found by Cheapflights users on 6/21. 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.
Mon 7/205:04 pm
SEA
- SCL
2 stops26h 39m
Copa Airlines
Mon 9/2112:22 pm
SCL
- SEA
2 stops27h 12m
Copa Airlines
Deal found 6/21![Copa Airlines logo]()
$1,391
This oojo deal was found by Cheapflights users on 6/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 am
SEA
- SCL
1 stop18h 55m
Multiple Airlines
Wed 11/411:55 pm
SCL
- SEA
1 stop21h 20m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,250
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 9/2210:59 pm
SEA
- SCL
1 stop29h 16m
Delta
Tue 10/68:40 pm
SCL
- SEA
1 stop26h 19m
Delta
Deal found 6/22![Delta logo]()
$1,259
This Booking.com deal was found by Cheapflights users on 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:00 am
SEA
- SCL
2 stops27h 15m
Air Canada
Tue 12/158:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/23![Air Canada logo]()
$1,317
This Avianca deal was found by Cheapflights users on 6/23. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:45 am
SEA
- SCL
2 stops18h 00m
Multiple Airlines
Thu 8/2712:30 am
SCL
- SEA
2 stops21h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$1,368
This Mytrip deal was found by Cheapflights users on 6/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:35 pm
SEA
- SCL
3 stops22h 40m
Multiple Airlines
Wed 8/268:30 am
SCL
- SEA
3 stops32h 52m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,381
This Travelocity deal was found by Cheapflights users on 6/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1410:10 am
SEA
- SCL
2 stops21h 05m
Multiple Airlines
Mon 1/412:25 am
SCL
- SEA
2 stops40h 58m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$1,408
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated June 23, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:35 pm
SEA
- SCL
3 stops32h 20m
Multiple Airlines
Tue 7/218:40 pm
SCL
- SEA
3 stops24h 52m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,197
This Mytrip deal was found by Cheapflights users on 6/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:35 pm
SEA
- SCL
3 stops31h 45m
Multiple Airlines
Wed 7/158:40 pm
SCL
- SEA
3 stops27h 20m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,127
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Fri 7/109:33 pm
SEA
- SCL
2 stops37h 02m
Multiple Airlines
Sun 7/1911:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,204
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Fri 7/109:33 pm
SEA
- SCL
2 stops37h 02m
Multiple Airlines
Sat 7/1811:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,206
This Mytrip deal was found by Cheapflights users on 6/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:00 pm
SEA
- SCL
3 stops24h 35m
Multiple Airlines
Mon 9/2111:25 pm
SCL
- SEA
3 stops27h 17m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,081
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Mon 7/2010:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Thu 8/2011:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,234
One-way flights from Seattle to SantiagoSearch for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Wed 8/267:06 pm
SEA
- SCL
3 stops31h 08m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Tue 9/810:34 am
SEA
- SCL
3 stops39h 36m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Tue 8/257:06 pm
SEA
- SCL
3 stops24h 37m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Wed 9/92:15 pm
SEA
- SCL
3 stops29h 24m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/67:06 pm
SEA
- SCL
3 stops27h 44m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 8/137:06 pm
SEA
- SCL
3 stops27h 44m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Fri 8/147:06 pm
SEA
- SCL
3 stops28h 54m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Fri 9/117:00 am
SEA
- SCL
3 stops51h 35m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Tue 7/147:06 pm
SEA
- SCL
3 stops28h 54m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Mon 9/77:06 pm
SEA
- SCL
3 stops28h 50m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$448
This Orbitz deal was found by Cheapflights users on 6/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Deal found 6/20![Air Canada logo]()
$463
Find 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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $855 (Air Canada) |
One-way from | $352 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $1,250 |
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 June 23, 2026.
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
Cheapest round-trip
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sun 11/22
7:45 am-11:15 am
1 stop22h 30m
Santiago Arturo Merino Benitez
Sun 12/6
7:25 am-6:22 pm
2 stops39h 57m
$922
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 10/14
6:00 am-8:15 am
1 stop22h 15m
Santiago Arturo Merino Benitez
Wed 11/4
11:25 pm-2:47 pm
1 stop20h 22m
$1,085
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 9/22
7:35 pm-6:55 am
3 stops31h 20m
Santiago Arturo Merino Benitez
Tue 10/6
8:30 am-2:22 pm
3 stops33h 52m
$1,159
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 10/14
8:25 am-6:55 am
1 stop18h 30m
Santiago Arturo Merino Benitez
Wed 11/4
6:45 pm-1:00 pm
2 stops23h 15m
$1,198
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 10/14
8:00 am-6:55 am
1 stop18h 55m
Santiago Arturo Merino Benitez
Wed 11/4
11:55 pm-4:15 pm
1 stop21h 20m
$1,250
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 9/22
10:59 pm-8:15 am
1 stop29h 16m
Santiago Arturo Merino Benitez
Tue 10/6
8:40 pm-6:59 pm
1 stop26h 19m
$1,259
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 8/24
8:00 am-2:15 pm
2 stops27h 15m
Santiago Arturo Merino Benitez
Tue 12/15
8:55 pm-8:54 pm
1 stop28h 59m
$1,317
Quickest round-trip
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 8/17
7:45 am-4:45 am
2 stops18h 00m
Santiago Arturo Merino Benitez
Thu 8/27
12:30 am-7:25 pm
2 stops21h 55m
$1,368
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Fri 7/24
12:35 pm-2:15 pm
3 stops22h 40m
Santiago Arturo Merino Benitez
Wed 8/26
8:30 am-2:22 pm
3 stops32h 52m
$1,381
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 7/20
5:04 pm-10:43 pm
2 stops26h 39m
Santiago Arturo Merino Benitez
Mon 9/21
12:22 pm-11:34 am
2 stops27h 12m
$1,391
Showing 1-10 of 18 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Santiago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Santiago flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SEA-SCL
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 24 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, November is the cheapest month in which you can book a flight from Seattle to Santiago (average of $1,014). Flying from Seattle to Santiago in May is currently the most expensive (average of $1,320). 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?
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 June 23, 2026.
See what other customers who have flown with Delta,LATAM Airlines, andUnited 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.
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Alternative routes for Seattle to Santiago
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Complete your trip
Complete your trip to Santiago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Santiago by cabin class
Find flights from Seattle to Santiago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Santiago flights
Browse other Seattle and Santiago flight options. Last updated on June 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Santiago
Explore flights to Santiago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Top 4 airlines flying from Seattle to Santiago
Discover the top 4 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 June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$888 | Average$1,190 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$895 | Average$1,279 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$918 | Average$1,233 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,018 | Average$1,128 | FlexibilityNo cancel fee | On-time69% |