$334+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Aug 6 — Aug 131
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 July 7, 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 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/6. 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
2 stops26h 17m
Multiple Airlines
Wed 9/1612:40 am
SCL
- SEA
1 stop25h 14m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$927
This FlightHub deal was found by Cheapflights users on 7/7. 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.
Sat 11/217:05 pm
SEA
- SCL
2 stops35h 10m
Air Canada
Fri 11/277:25 am
SCL
- SEA
2 stops43h 32m
Air Canada
Deal found 7/7![Air Canada logo]()
$934
This Expedia deal was found by Cheapflights users on 7/4. 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.
Sun 10/257:45 am
SEA
- SCL
1 stop23h 30m
Air Canada
Sat 10/319:55 pm
SCL
- SEA
2 stops21h 42m
Air Canada
Deal found 7/4![Air Canada logo]()
$936
This Orbitz deal was found by Cheapflights users on 7/7. 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.
Sat 11/217:05 pm
SEA
- SCL
2 stops35h 10m
Air Canada
Sat 11/289:55 pm
SCL
- SEA
2 stops29h 02m
Air Canada
Deal found 7/7![Air Canada logo]()
$937
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1910:34 am
SEA
- SCL
2 stops33h 09m
Multiple Airlines
Mon 8/2411:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$941
This FlightHub deal was found by Cheapflights users on 7/7. 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.
Sun 11/227:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Sat 11/288:55 pm
SCL
- SEA
1 stop29h 04m
Air Canada
Deal found 7/7![Air Canada logo]()
$942
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 10/2411:06 am
SEA
- SCL
2 stops29h 13m
Multiple Airlines
Thu 11/511:25 pm
SCL
- SEA
1 stop24h 01m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$950
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1810:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Mon 8/2411:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$955
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1910:34 am
SEA
- SCL
2 stops33h 09m
Multiple Airlines
Tue 8/2511:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$960
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1810:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Thu 8/2711:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$970
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1810:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Tue 8/2511:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$975
This KAYAK deal was found by Cheapflights users on 7/4. 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 12/2510:10 am
SEA
- SCL
2 stops38h 40m
Multiple Airlines
Fri 1/227:25 am
SCL
- SEA
2 stops42h 34m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$979
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 7, 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 7, 2026.
This Mytrip deal was found by Cheapflights users on 7/4. 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 8/1912:35 pm
SEA
- SCL
3 stops31h 45m
Multiple Airlines
Wed 8/268:30 am
SCL
- SEA
2 stops28h 35m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,139
This Delta deal was found by Cheapflights users on 7/5. 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 11/48:00 am
SEA
- SCL
1 stop16h 35m
Delta
Sun 11/2911:05 pm
SCL
- SEA
1 stop27h 53m
Delta
Deal found 7/5![Delta logo]()
$1,240
This Justfly.com deal was found by Cheapflights users on 7/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:05 am
SEA
- SCL
1 stop19h 50m
LATAM Airlines
Wed 9/210:55 pm
SCL
- SEA
1 stop18h 55m
LATAM Airlines
Deal found 7/3![LATAM Airlines logo]()
$1,263
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Thu 10/295:00 am
SEA
- SCL
2 stops22h 50m
United Airlines
Wed 12/210:45 pm
SCL
- SEA
2 stops25h 14m
United Airlines
Deal found 7/5![United Airlines logo]()
$1,320
This Mytrip deal was found by Cheapflights users on 7/4. 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 8/187:20 pm
SEA
- SCL
2 stops32h 35m
Multiple Airlines
Tue 8/258:30 am
SCL
- SEA
3 stops32h 52m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,171
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/228:45 pm
SEA
- SCL
1 stop29h 50m
Multiple Airlines
Wed 9/211:22 am
SCL
- SEA
2 stops37h 38m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,200
This Delta deal was found by Cheapflights users on 7/5. 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.
Mon 12/2811:25 pm
SEA
- SCL
1 stop26h 15m
Delta
Mon 1/119:50 pm
SCL
- SEA
1 stop19h 33m
Delta
Deal found 7/5![Delta logo]()
$1,323
This KAYAK deal was found by Cheapflights users on 7/5. 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 12/315:45 pm
SEA
- SCL
2 stops18h 15m
LATAM Airlines
Sun 1/104:55 pm
SCL
- SEA
2 stops34h 03m
LATAM Airlines
Deal found 7/5![LATAM Airlines logo]()
$1,323
This Mytrip deal was found by Cheapflights users on 7/5. 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 8/1912:35 pm
SEA
- SCL
3 stops22h 40m
Multiple Airlines
Mon 8/313:20 pm
SCL
- SEA
3 stops31h 39m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,283
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated July 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1510:34 am
SEA
- SCL
2 stops33h 09m
Multiple Airlines
Mon 8/2411:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$990
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1810:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Mon 8/2411:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$955
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1810:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Thu 8/2711:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$970
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1810:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Tue 8/2511:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$975
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1810:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Sun 8/2311:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$985
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1910:34 am
SEA
- SCL
2 stops33h 09m
Multiple Airlines
Mon 8/2411:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$941
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1910:34 am
SEA
- SCL
2 stops33h 09m
Multiple Airlines
Wed 8/2611:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$960
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/1910:34 am
SEA
- SCL
2 stops33h 09m
Multiple Airlines
Mon 8/3111:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$993
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 7, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/188:53 pm
SEA
- SCL
3 stops49h 57m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/207:06 pm
SEA
- SCL
3 stops28h 54m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/1710:34 am
SEA
- SCL
3 stops37h 26m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 10/199:16 pm
SEA
- SCL
3 stops43h 16m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 9/87:06 pm
SEA
- SCL
3 stops27h 40m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 7/7. 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
3 stops35h 40m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 41m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/217:06 pm
SEA
- SCL
3 stops48h 37m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/112:22 pm
SEA
- SCL
3 stops35h 52m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/148:53 pm
SEA
- SCL
3 stops51h 07m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$384
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $869 (Air Canada) |
One-way from | $334 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $1,278 |
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 7, 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
Wed 8/19
12:35 pm-11:20 pm
3 stops31h 45m
Santiago Arturo Merino Benitez
Wed 8/26
8:30 am-10:05 am
2 stops28h 35m
$1,139
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 8/18
7:20 pm-6:55 am
2 stops32h 35m
Santiago Arturo Merino Benitez
Tue 8/25
8:30 am-2:22 pm
3 stops32h 52m
$1,171
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sat 8/22
8:45 pm-5:35 am
1 stop29h 50m
Santiago Arturo Merino Benitez
Wed 9/2
11:22 am-10:00 pm
2 stops37h 38m
$1,200
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 11/4
8:00 am-5:35 am
1 stop16h 35m
Santiago Arturo Merino Benitez
Sun 11/29
11:05 pm-9:58 pm
1 stop27h 53m
$1,240
Quickest round-trip
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sat 8/22
8:05 am-6:55 am
1 stop19h 50m
Santiago Arturo Merino Benitez
Wed 9/2
10:55 pm-2:50 pm
1 stop18h 55m
$1,263
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 8/19
12:35 pm-2:15 pm
3 stops22h 40m
Santiago Arturo Merino Benitez
Mon 8/31
3:20 pm-7:59 pm
3 stops31h 39m
$1,283
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 10/29
5:00 am-7:50 am
2 stops22h 50m
Santiago Arturo Merino Benitez
Wed 12/2
10:45 pm-6:59 pm
2 stops25h 14m
$1,320
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 12/28
11:25 pm-6:40 am
1 stop26h 15m
Santiago Arturo Merino Benitez
Mon 1/11
9:50 pm-12:23 pm
1 stop19h 33m
$1,323
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 12/31
5:45 pm-5:00 pm
2 stops18h 15m
Santiago Arturo Merino Benitez
Sun 1/10
4:55 pm-9:58 pm
2 stops34h 03m
$1,323
Cheapest one-way
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 10/19
9:16 pm-8:32 pm
3 stops43h 16m
$366
Showing 1-10 of 20 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 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 July 7, 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
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
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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Santiago flight routes
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 7, 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 7, 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 7, 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 7, 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% |