$348+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Jul 28 — Aug 41
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
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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 28, 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 28, 2026.
This Air Canada deal was found by Cheapflights users on 6/27. 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.
Fri 11/2710:10 am
SEA
- SCL
2 stops38h 40m
Air Canada
Mon 12/148:55 pm
SCL
- SEA
1 stop29h 04m
Air Canada
Deal found 6/27![Air Canada logo]()
$860
This Kiwi.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 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
Wed 9/164:20 pm
SCL
- SEA
2 stops21h 17m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$913
This Expedia deal was found by Cheapflights users on 6/24. 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 11/187:45 am
SEA
- SCL
1 stop23h 30m
Air Canada
Mon 12/149:55 pm
SCL
- SEA
1 stop28h 04m
Air Canada
Deal found 6/24![Air Canada logo]()
$927
This Air Canada deal was found by Cheapflights users on 6/24. 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.
Fri 11/2710:10 am
SEA
- SCL
2 stops38h 40m
Air Canada
Tue 1/128:55 pm
SCL
- SEA
2 stops30h 02m
Air Canada
Deal found 6/24![Air Canada logo]()
$930
This Air Canada deal was found by Cheapflights users on 6/26. 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.
Fri 12/2510:10 am
SEA
- SCL
2 stops38h 40m
Air Canada
Tue 1/197:25 am
SCL
- SEA
2 stops36h 12m
Air Canada
Deal found 6/26![Air Canada logo]()
$932
This Air Canada deal was found by Cheapflights users on 6/24. 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.
Fri 12/117:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Tue 1/128:55 pm
SCL
- SEA
2 stops26h 27m
Air Canada
Deal found 6/24![Air Canada logo]()
$935
This Air Canada deal was found by Cheapflights users on 6/26. 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 6/26![Air Canada logo]()
$937
This Air Canada deal was found by Cheapflights users on 6/27. 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 11/217:05 pm
SEA
- SCL
2 stops35h 10m
Air Canada
Sun 11/297:25 am
SCL
- SEA
2 stops42h 34m
Air Canada
Deal found 6/27![Air Canada logo]()
$940
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Wed 12/27:25 am
SCL
- SEA
2 stops39h 57m
Air Canada
Deal found 6/23![Air Canada logo]()
$978
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:05 pm
SEA
- SCL
2 stops36h 10m
Air Canada
Sat 11/289:55 pm
SCL
- SEA
1 stop27h 59m
Air Canada
Deal found 6/23![Air Canada logo]()
$982
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 9/162:15 pm
SEA
- SCL
1 stop35h 20m
Multiple Airlines
Wed 9/234:20 pm
SCL
- SEA
2 stops21h 17m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$993
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 28, 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 28, 2026.
This Mytrip deal was found by Cheapflights users on 6/25. 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 9/163:00 pm
SEA
- SCL
3 stops35h 55m
Multiple Airlines
Wed 9/2311:25 pm
SCL
- SEA
3 stops27h 17m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,069
This KAYAK deal was found by Cheapflights users on 6/25. 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 9/1612:15 pm
SEA
- SCL
2 stops32h 07m
Copa Airlines
Tue 9/221:06 am
SCL
- SEA
2 stops24h 45m
Copa Airlines
Deal found 6/25![Copa Airlines logo]()
$1,126
This FlightHub deal was found by Cheapflights users on 6/24. 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 9/97:15 am
SEA
- SCL
1 stop19h 10m
LATAM Airlines
Wed 9/1610:55 pm
SCL
- SEA
1 stop19h 58m
LATAM Airlines
Deal found 6/24![LATAM Airlines logo]()
$1,284
This Mytrip deal was found by Cheapflights users on 6/24. 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 6/24![Multiple Airlines logo]()
$1,125
This FlightHub deal was found by Cheapflights users on 6/24. 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.
Mon 9/147:15 am
SEA
- SCL
1 stop19h 10m
LATAM Airlines
Thu 9/2411:25 pm
SCL
- SEA
1 stop17h 05m
LATAM Airlines
Deal found 6/24![LATAM Airlines logo]()
$1,284
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:00 pm
SEA
- SCL
3 stops26h 45m
Multiple Airlines
Thu 8/138:30 am
SCL
- SEA
2 stops28h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$1,230
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:05 am
SEA
- SCL
1 stop19h 50m
LATAM Airlines
Sat 8/2210:55 pm
SCL
- SEA
1 stop18h 55m
LATAM Airlines
Deal found 6/23![LATAM Airlines logo]()
$1,303
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:12 am
SEA
- SCL
1 stop19h 43m
Multiple Airlines
Sat 8/2911:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$1,283
This Mytrip deal was found by Cheapflights users on 6/27. 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 7/2711:00 pm
SEA
- SCL
3 stops24h 35m
Multiple Airlines
Mon 8/33:20 pm
SCL
- SEA
3 stops31h 39m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,314
This Mytrip deal was found by Cheapflights users on 6/24. 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 7/132:50 pm
SCL
- SEA
2 stops32h 05m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$1,361
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated June 28, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/26. 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 7/223:20 pm
SCL
- SEA
3 stops30h 25m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,162
This Gotogate deal was found by Cheapflights users on 6/27. 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 7/93:33 pm
SEA
- SCL
2 stops31h 17m
Copa Airlines
Wed 7/152:56 am
SCL
- SEA
2 stops23h 14m
Copa Airlines
Deal found 6/27![Copa Airlines logo]()
$1,157
This Mytrip deal was found by Cheapflights users on 6/27. 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 7/1311:00 pm
SEA
- SCL
3 stops26h 45m
Multiple Airlines
Mon 9/2111:25 pm
SCL
- SEA
2 stops27h 17m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,090
This Mytrip deal was found by Cheapflights users on 6/25. 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 7/1312:35 pm
SEA
- SCL
3 stops22h 40m
Multiple Airlines
Fri 7/178:40 pm
SCL
- SEA
3 stops27h 20m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,176
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 28, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 stops31h 08m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/247:06 pm
SEA
- SCL
3 stops31h 08m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 stops36h 50m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/229:16 pm
SEA
- SCL
3 stops46h 23m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/232:15 pm
SEA
- SCL
3 stops29h 24m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$383
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:06 pm
SEA
- SCL
3 stops27h 44m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 9/127:00 am
SEA
- SCL
3 stops41h 55m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 9/137:00 am
SEA
- SCL
3 stops40h 56m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 9/147:00 am
SEA
- SCL
3 stops40h 35m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/267:00 am
SEA
- SCL
3 stops36h 39m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$417
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:34 am
SEA
- SCL
3 stops36h 16m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$419
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $913 (Kiwi.com) |
One-way from | $348 (Kiwi.com) |
Popular in | May |
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 28, 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 9/16
3:00 pm-6:55 am
3 stops35h 55m
Santiago Arturo Merino Benitez
Wed 9/23
11:25 pm-10:42 pm
3 stops27h 17m
$1,069
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
$1,125
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 9/16
12:15 pm-12:22 am
2 stops32h 07m
Santiago Arturo Merino Benitez
Tue 9/22
1:06 am-9:51 pm
2 stops24h 45m
$1,126
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 8/6
11:00 pm-4:45 am
3 stops26h 45m
Santiago Arturo Merino Benitez
Thu 8/13
8:30 am-9:40 am
2 stops28h 10m
$1,230
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 8/12
8:12 am-6:55 am
1 stop19h 43m
Santiago Arturo Merino Benitez
Sat 8/29
11:00 pm-10:00 pm
1 stop26h 00m
$1,283
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 9/9
7:15 am-6:25 am
1 stop19h 10m
Santiago Arturo Merino Benitez
Wed 9/16
10:55 pm-2:53 pm
1 stop19h 58m
$1,284
Quickest round-trip
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 9/14
7:15 am-6:25 am
1 stop19h 10m
Santiago Arturo Merino Benitez
Thu 9/24
11:25 pm-12:30 pm
1 stop17h 05m
$1,284
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sat 8/15
8:05 am-6:55 am
1 stop19h 50m
Santiago Arturo Merino Benitez
Sat 8/22
10:55 pm-2:50 pm
1 stop18h 55m
$1,303
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 7/27
11:00 pm-2:35 am
3 stops24h 35m
Santiago Arturo Merino Benitez
Mon 8/3
3:20 pm-7:59 pm
3 stops31h 39m
$1,314
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 7/6
12:35 pm-11:20 pm
3 stops31h 45m
Santiago Arturo Merino Benitez
Mon 7/13
2:50 pm-7:55 pm
2 stops32h 05m
$1,361
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 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, 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 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 28, 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
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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Seattle and Santiago flights
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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 28, 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% |