$336+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Santiago with Cheapflights
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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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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 13, 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 13, 2026.
This Air Canada deal was found by Cheapflights users on 6/11. 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 12/98:40 am
SEA
- SCL
2 stops21h 35m
Air Canada
Sat 12/268:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/11![Air Canada logo]()
$860
This Air Canada deal was found by Cheapflights users on 6/10. 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 6/10![Air Canada logo]()
$922
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:10 am
SEA
- SCL
2 stops20h 05m
Multiple Airlines
Tue 12/17:25 am
SCL
- SEA
2 stops36h 12m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$923
This Expedia deal was found by Cheapflights users on 6/12. 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.
Sat 12/127:05 pm
SEA
- SCL
2 stops36h 10m
Air Canada
Wed 12/308:25 am
SCL
- SEA
2 stops38h 57m
Air Canada
Deal found 6/12![Air Canada logo]()
$925
This Air Canada deal was found by Cheapflights users on 6/11. 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 11/157:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Mon 11/308:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/11![Air Canada logo]()
$927
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:45 am
SEA
- SCL
1 stop22h 30m
Multiple Airlines
Thu 11/198:55 pm
SCL
- SEA
1 stop28h 59m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$928
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:45 am
SEA
- SCL
1 stop22h 30m
Copa Airlines
Thu 12/248:55 pm
SCL
- SEA
1 stop28h 59m
Copa Airlines
Deal found 6/11![Copa Airlines logo]()
$929
This Air Canada deal was found by Cheapflights users on 6/11. 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 11/1110:10 am
SEA
- SCL
2 stops20h 05m
Air Canada
Tue 11/178:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/11![Air Canada logo]()
$932
This Air Canada deal was found by Cheapflights users on 6/11. 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 12/127:05 pm
SEA
- SCL
2 stops35h 10m
Air Canada
Sat 12/268:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/11![Air Canada logo]()
$935
This Air Canada deal was found by Cheapflights users on 6/11. 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 11/158:40 am
SEA
- SCL
2 stops21h 35m
Air Canada
Tue 11/178:55 pm
SCL
- SEA
2 stops26h 27m
Air Canada
Deal found 6/11![Air Canada logo]()
$969
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 13, 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 13, 2026.
This Air Canada deal was found by Cheapflights users on 6/13. 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.
Tue 11/37:05 pm
SEA
- SCL
2 stops35h 10m
Air Canada
Sat 11/78:55 pm
SCL
- SEA
2 stops26h 27m
Air Canada
Deal found 6/13![Air Canada logo]()
$932
This KAYAK deal was found by Cheapflights users on 6/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:25 am
SEA
- SCL
2 stops25h 00m
LATAM Airlines
Wed 11/47:45 am
SCL
- SEA
2 stops21h 33m
LATAM Airlines
Deal found 6/9![LATAM Airlines logo]()
$1,127
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sat 8/2212:35 pm
SEA
- SCL
3 stops31h 45m
Multiple Airlines
Sat 8/293:20 pm
SCL
- SEA
3 stops34h 22m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,168
This Aeromexico deal was found by Cheapflights users on 6/13. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:30 am
SEA
- SCL
1 stop16h 15m
Aeromexico
Sat 11/711:25 pm
SCL
- SEA
1 stop25h 30m
Aeromexico
Deal found 6/13![Aeromexico logo]()
$1,256
This Copa Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 9/206:52 pm
SEA
- SCL
2 stops21h 40m
Copa Airlines
Sat 10/1012:23 pm
SCL
- SEA
2 stops39h 03m
Copa Airlines
Deal found 6/11![Copa Airlines logo]()
$1,278
This Orbitz deal was found by Cheapflights users on 6/12. 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.
Fri 11/203:15 pm
SEA
- SCL
2 stops64h 00m
Multiple Airlines
Sun 11/2912:25 am
SCL
- SEA
2 stops25h 29m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,226
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 8/228:13 am
SEA
- SCL
1 stop19h 42m
Multiple Airlines
Thu 8/273:20 pm
SCL
- SEA
2 stops21h 17m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,246
This Mytrip deal was found by Cheapflights users on 6/9. 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 8/118:00 am
SEA
- SCL
2 stops35h 51m
Multiple Airlines
Wed 8/193:20 pm
SCL
- SEA
3 stops34h 22m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,250
This Orbitz deal was found by Cheapflights users on 6/11. 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 11/157:45 am
SEA
- SCL
1 stop23h 30m
Multiple Airlines
Mon 11/3012:25 am
SCL
- SEA
1 stop24h 30m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,260
This Gotogate deal was found by Cheapflights users on 6/9. 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.
Sun 11/17:45 am
SEA
- SCL
1 stop22h 30m
Multiple Airlines
Sun 11/2211:25 pm
SCL
- SEA
1 stop25h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,265
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated June 13, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/12. 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 7/612:35 pm
SEA
- SCL
3 stops31h 45m
Multiple Airlines
Sun 9/204:20 pm
SCL
- SEA
3 stops30h 25m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,189
This Mytrip deal was found by Cheapflights users on 6/12. 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 7/612:35 pm
SEA
- SCL
3 stops31h 45m
Multiple Airlines
Mon 8/106:40 am
SCL
- SEA
3 stops34h 42m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,266
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/137:20 pm
SEA
- SCL
3 stops32h 35m
Multiple Airlines
Mon 9/2111:25 pm
SCL
- SEA
3 stops27h 17m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,134
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/167:26 am
SEA
- SCL
1 stop19h 09m
Multiple Airlines
Tue 7/218:30 am
SCL
- SEA
2 stops49h 37m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,247
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:00 am
SEA
- SCL
2 stops19h 00m
United Airlines
Mon 8/1712:06 am
SCL
- SEA
2 stops24h 30m
United Airlines
Deal found 6/12![United Airlines logo]()
$1,271
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:00 am
SEA
- SCL
2 stops19h 00m
Copa Airlines
Mon 8/1712:06 am
SCL
- SEA
2 stops24h 30m
Copa Airlines
Deal found 6/12![Copa Airlines logo]()
$1,201
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/2110:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Tue 8/1811:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,296
This Expedia deal was found by Cheapflights users on 6/9. 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 7/229:47 am
SEA
- SCL
2 stops25h 28m
Multiple Airlines
Sun 7/2612:30 am
SCL
- SEA
2 stops25h 15m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,233
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sat 7/2510:34 am
SEA
- SCL
2 stops33h 09m
Multiple Airlines
Sun 8/2311:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,287
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 13, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/18:13 pm
SEA
- SCL
3 stops53h 57m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/318:13 pm
SEA
- SCL
3 stops51h 43m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 stops33h 01m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 9/78:13 pm
SEA
- SCL
3 stops51h 03m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/287:41 pm
SEA
- SCL
3 stops52h 15m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/302:15 pm
SEA
- SCL
3 stops33h 41m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 9/83:19 pm
SEA
- SCL
3 stops31h 57m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 9/611:03 am
SEA
- SCL
3 stops36h 53m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/222:15 pm
SEA
- SCL
3 stops44h 45m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 9/57:41 pm
SEA
- SCL
3 stops47h 58m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$449
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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $860 (Air Canada) |
One-way from | $336 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
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 13, 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
Tue 11/3
7:05 pm-11:15 am
2 stops35h 10m
Santiago Arturo Merino Benitez
Sat 11/7
8:55 pm-6:22 pm
2 stops26h 27m
$932
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 10/14
8:25 am-1:25 pm
2 stops25h 00m
Santiago Arturo Merino Benitez
Wed 11/4
7:45 am-12:18 am
2 stops21h 33m
$1,127
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sat 8/22
12:35 pm-11:20 pm
3 stops31h 45m
Santiago Arturo Merino Benitez
Sat 8/29
3:20 pm-10:42 pm
3 stops34h 22m
$1,168
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Fri 11/20
3:15 pm-12:15 pm
2 stops64h 00m
Santiago Arturo Merino Benitez
Sun 11/29
12:25 am-8:54 pm
2 stops25h 29m
$1,226
Quickest round-trip
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sat 8/22
8:13 am-6:55 am
1 stop19h 42m
Santiago Arturo Merino Benitez
Thu 8/27
3:20 pm-9:37 am
2 stops21h 17m
$1,246
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 8/11
8:00 am-10:51 pm
2 stops35h 51m
Santiago Arturo Merino Benitez
Wed 8/19
3:20 pm-10:42 pm
3 stops34h 22m
$1,250
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 11/3
9:30 am-6:45 am
1 stop16h 15m
Santiago Arturo Merino Benitez
Sat 11/7
11:25 pm-7:55 pm
1 stop25h 30m
$1,256
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sun 11/15
7:45 am-12:15 pm
1 stop23h 30m
Santiago Arturo Merino Benitez
Mon 11/30
12:25 am-7:55 pm
1 stop24h 30m
$1,260
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sun 11/1
7:45 am-11:15 am
1 stop22h 30m
Santiago Arturo Merino Benitez
Sun 11/22
11:25 pm-7:55 pm
1 stop25h 30m
$1,265
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sun 9/20
6:52 pm-8:32 pm
2 stops21h 40m
Santiago Arturo Merino Benitez
Sat 10/10
12:23 pm-11:26 pm
2 stops39h 03m
$1,278
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 |
- 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, January is the cheapest month in which you can book a flight from Seattle to Santiago (average of $1,044). Flying from Seattle to Santiago in July is currently the most expensive (average of $1,420). 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 13, 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.
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
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 13, 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 13, 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 13, 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$888 | Average$1,192 | 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% |