$322+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Aug 12 — Aug 191
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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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 July 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 July 13, 2026.
This Air Canada deal was found by Cheapflights users on 7/8. 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
Tue 11/108:55 pm
SCL
- SEA
1 stop29h 04m
Air Canada
Deal found 7/8![Air Canada logo]()
$937
This Air Canada deal was found by Cheapflights users on 7/9. 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 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
Sun 11/297:25 am
SCL
- SEA
2 stops42h 34m
Air Canada
Deal found 7/9![Air Canada logo]()
$940
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Sat 9/122:15 pm
SEA
- SCL
1 stop35h 20m
Multiple Airlines
Tue 9/2212:22 pm
SCL
- SEA
2 stops27h 17m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$941
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 9/1011:06 am
SEA
- SCL
1 stop38h 29m
Multiple Airlines
Sun 9/275:14 am
SCL
- SEA
2 stops32h 23m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$950
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Mon 8/1010:34 am
SEA
- SCL
2 stops24h 31m
Multiple Airlines
Mon 8/1711:25 pm
SCL
- SEA
1 stop21h 26m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$954
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Fri 9/1111:06 am
SEA
- SCL
1 stop38h 29m
Multiple Airlines
Tue 9/2212:22 pm
SCL
- SEA
2 stops25h 15m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$960
This eDestinos deal was found by Cheapflights users on 7/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:44 pm
SEA
- SCL
3 stops50h 38m
Multiple Airlines
Mon 9/285:14 am
SCL
- SEA
2 stops32h 23m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$969
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Mon 8/316:49 am
SEA
- SCL
1 stop19h 46m
Multiple Airlines
Mon 9/144:20 pm
SCL
- SEA
2 stops33h 37m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$978
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Tue 9/86:49 am
SEA
- SCL
1 stop18h 46m
Multiple Airlines
Tue 10/64:20 pm
SCL
- SEA
2 stops32h 39m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$995
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/249:35 am
SEA
- SCL
1 stop17h 00m
Multiple Airlines
Thu 8/272:56 am
SCL
- SEA
2 stops32h 34m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$999
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Thu 8/209:35 am
SEA
- SCL
1 stop17h 00m
Multiple Airlines
Wed 8/2611:25 pm
SCL
- SEA
1 stop21h 26m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,010
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 July 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 July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/249:35 am
SEA
- SCL
1 stop17h 00m
Multiple Airlines
Thu 8/272:56 am
SCL
- SEA
2 stops32h 34m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$999
This FlightHub deal was found by Cheapflights users on 7/12. 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 FlightHub 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
LATAM Airlines
Wed 11/49:50 pm
SCL
- SEA
2 stops19h 40m
LATAM Airlines
Deal found 7/12![LATAM Airlines logo]()
$1,059
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:24 am
SEA
- SCL
2 stops19h 26m
American Airlines
Sun 11/110:15 pm
SCL
- SEA
2 stops22h 28m
American Airlines
Deal found 7/13![American Airlines logo]()
$1,160
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:25 am
SEA
- SCL
1 stop17h 30m
Delta
Tue 1/193:50 am
SCL
- SEA
2 stops25h 19m
Delta
Deal found 7/9![Delta logo]()
$1,285
This Mytrip deal was found by Cheapflights users on 7/11. 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 8/315:50 am
SEA
- SCL
2 stops20h 45m
Multiple Airlines
Mon 9/148:30 am
SCL
- SEA
3 stops33h 52m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,146
This FlightHub deal was found by Cheapflights users on 7/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:00 am
SEA
- SCL
1 stop18h 55m
LATAM Airlines
Sat 10/3111:10 pm
SCL
- SEA
1 stop27h 45m
LATAM Airlines
Deal found 7/12![LATAM Airlines logo]()
$1,228
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:25 am
SEA
- SCL
1 stop17h 30m
Delta
Mon 1/188:55 pm
SCL
- SEA
2 stops21h 05m
Delta
Deal found 7/9![Delta logo]()
$1,285
This Travelocity deal was found by Cheapflights users on 7/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:33 pm
SEA
- SCL
2 stops28h 12m
Multiple Airlines
Fri 8/2112:30 am
SCL
- SEA
2 stops36h 47m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,233
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:45 am
SEA
- SCL
2 stops20h 10m
Delta
Wed 1/203:50 am
SCL
- SEA
2 stops23h 08m
Delta
Deal found 7/9![Delta logo]()
$1,290
This KAYAK deal was found by Cheapflights users on 7/11. 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.
Thu 12/316:00 am
SEA
- SCL
1 stop19h 40m
LATAM Airlines
Sun 1/107:25 pm
SCL
- SEA
2 stops31h 33m
LATAM Airlines
Deal found 7/11![LATAM Airlines logo]()
$1,323
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:20 am
SEA
- SCL
1 stop19h 30m
Delta
Mon 1/119:50 pm
SCL
- SEA
1 stop19h 33m
Delta
Deal found 7/9![Delta logo]()
$1,415
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated July 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Mon 8/1010:34 am
SEA
- SCL
2 stops24h 31m
Multiple Airlines
Mon 8/1711:25 pm
SCL
- SEA
1 stop21h 26m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$954
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/137:26 am
SEA
- SCL
1 stop19h 09m
Multiple Airlines
Mon 8/2411:25 pm
SCL
- SEA
1 stop21h 26m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,027
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/187:26 am
SEA
- SCL
1 stop19h 09m
Multiple Airlines
Wed 8/2611:25 pm
SCL
- SEA
1 stop21h 26m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,037
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/189:33 pm
SEA
- SCL
2 stops25h 17m
Multiple Airlines
Thu 8/2711:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,040
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/189:33 pm
SEA
- SCL
2 stops25h 17m
Multiple Airlines
Mon 8/2411:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,041
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/198:30 am
SEA
- SCL
2 stops38h 20m
Multiple Airlines
Thu 8/2711:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,022
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/198:30 am
SEA
- SCL
2 stops38h 20m
Multiple Airlines
Mon 8/2411:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,024
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/198:30 am
SEA
- SCL
2 stops38h 20m
Multiple Airlines
Wed 8/2611:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,029
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Thu 8/209:35 am
SEA
- SCL
1 stop17h 00m
Multiple Airlines
Wed 8/2611:25 pm
SCL
- SEA
1 stop21h 26m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,010
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/249:35 am
SEA
- SCL
1 stop17h 00m
Multiple Airlines
Thu 8/272:56 am
SCL
- SEA
2 stops32h 34m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$999
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Mon 8/316:49 am
SEA
- SCL
1 stop19h 46m
Multiple Airlines
Mon 9/144:20 pm
SCL
- SEA
2 stops33h 37m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$978
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 July 13, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Mon 8/108:53 pm
SEA
- SCL
3 stops49h 57m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Thu 9/107:00 am
SEA
- SCL
3 stops39h 46m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 9/97:00 am
SEA
- SCL
3 stops39h 46m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 9/88:53 pm
SEA
- SCL
3 stops46h 46m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/178:53 pm
SEA
- SCL
3 stops49h 57m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Tue 10/137:41 pm
SEA
- SCL
3 stops37h 00m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 11/69:16 pm
SEA
- SCL
3 stops50h 39m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Wed 8/127:06 pm
SEA
- SCL
3 stops27h 44m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Fri 9/117:41 pm
SEA
- SCL
3 stops53h 14m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$399
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 July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $937 (Air Canada) |
One-way from | $322 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $1,622 |
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 July 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
Mon 8/24
9:35 am-5:35 am
1 stop17h 00m
Santiago Arturo Merino Benitez
Thu 8/27
2:56 am-8:30 am
2 stops32h 34m
$999
Quickest round-trip
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
9:50 pm-12:30 pm
2 stops19h 40m
$1,059
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 8/31
5:50 am-5:35 am
2 stops20h 45m
Santiago Arturo Merino Benitez
Mon 9/14
8:30 am-2:22 pm
3 stops33h 52m
$1,146
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Fri 10/16
8:24 am-7:50 am
2 stops19h 26m
Santiago Arturo Merino Benitez
Sun 11/1
10:15 pm-3:43 pm
2 stops22h 28m
$1,160
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Fri 10/16
8:00 am-6:55 am
1 stop18h 55m
Santiago Arturo Merino Benitez
Sat 10/31
11:10 pm-10:55 pm
1 stop27h 45m
$1,228
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 8/13
9:33 pm-4:45 am
2 stops28h 12m
Santiago Arturo Merino Benitez
Fri 8/21
12:30 am-10:17 am
2 stops36h 47m
$1,233
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 12/24
8:25 am-6:55 am
1 stop17h 30m
Santiago Arturo Merino Benitez
Tue 1/19
3:50 am-12:09 am
2 stops25h 19m
$1,285
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 12/24
8:25 am-6:55 am
1 stop17h 30m
Santiago Arturo Merino Benitez
Mon 1/18
8:55 pm-1:00 pm
2 stops21h 05m
$1,285
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 12/24
5:45 am-6:55 am
2 stops20h 10m
Santiago Arturo Merino Benitez
Wed 1/20
3:50 am-9:58 pm
2 stops23h 08m
$1,290
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 12/31
6:00 am-6:40 am
1 stop19h 40m
Santiago Arturo Merino Benitez
Sun 1/10
7:25 pm-9:58 pm
2 stops31h 33m
$1,323
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 July.
| 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 July is currently the most expensive (average of $1,622). 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 July 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.
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
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 July 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 July 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 July 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 July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$888 | Average$1,186 | 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% |