$381+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Santiago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Santiago
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to SantiagoExplore the most affordable flight options available from Seattle to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 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 18, 2026.
This Air Canada deal was found by Cheapflights users on 6/17. 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.
Thu 12/37:05 pm
SEA
- SCL
2 stops35h 10m
Air Canada
Sat 12/128:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/17![Air Canada logo]()
$855
This Air Canada deal was found by Cheapflights users on 6/14. 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 11/18:40 am
SEA
- SCL
2 stops21h 35m
Air Canada
Thu 11/198:55 pm
SCL
- SEA
2 stops22h 42m
Air Canada
Deal found 6/14![Air Canada logo]()
$927
This FlightHub deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Mon 11/308:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/16![Air Canada logo]()
$987
This Booking.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:15 pm
SEA
- SCL
2 stops63h 00m
Air Canada
Mon 11/308:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/16![Air Canada logo]()
$1,004
This Air Canada deal was found by Cheapflights users on 6/17. 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 10/247:20 pm
SEA
- SCL
2 stops34h 55m
Air Canada
Sat 2/278:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,022
This Mytrip deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:05 pm
SEA
- SCL
2 stops35h 10m
Multiple Airlines
Thu 11/1911:10 pm
SCL
- SEA
3 stops26h 44m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,048
This Mytrip deal was found by Cheapflights users on 6/15. 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 8/1511:00 pm
SEA
- SCL
3 stops26h 45m
Multiple Airlines
Sun 8/308:40 pm
SCL
- SEA
3 stops27h 10m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,051
This Orbitz deal was found by Cheapflights users on 6/14. 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.
Tue 11/37:05 pm
SEA
- SCL
2 stops36h 10m
Multiple Airlines
Sat 11/712:25 am
SCL
- SEA
1 stop24h 30m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,056
This FlightHub deal was found by Cheapflights users on 6/16. 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 11/203:15 pm
SEA
- SCL
2 stops63h 00m
Air Canada
Sat 11/288:55 pm
SCL
- SEA
1 stop28h 59m
Air Canada
Deal found 6/16![Air Canada logo]()
$1,059
This Gotogate deal was found by Cheapflights users on 6/14. 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 11/510:10 am
SEA
- SCL
2 stops44h 05m
Multiple Airlines
Wed 11/2511:25 pm
SCL
- SEA
1 stop25h 30m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,061
This Justfly.com deal was found by Cheapflights users on 6/17. 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 10/249:30 am
SEA
- SCL
1 stop17h 15m
Aeromexico
Sat 2/2711:25 pm
SCL
- SEA
1 stop25h 30m
Aeromexico
Deal found 6/17![Aeromexico logo]()
$1,068
This KAYAK deal was found by Cheapflights users on 6/14. 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 11/203:15 pm
SEA
- SCL
2 stops63h 00m
Copa Airlines
Mon 1/118:55 pm
SCL
- SEA
1 stop28h 59m
Copa Airlines
Deal found 6/14![Copa Airlines logo]()
$1,072
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 18, 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 18, 2026.
This Mytrip deal was found by Cheapflights users on 6/16. 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 8/3111:00 pm
SEA
- SCL
3 stops25h 56m
Multiple Airlines
Tue 10/205:41 am
SCL
- SEA
3 stops43h 23m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,210
This Delta deal was found by Cheapflights users on 6/17. 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 8/107:15 am
SEA
- SCL
1 stop20h 10m
Delta
Mon 8/247:50 am
SCL
- SEA
2 stops18h 54m
Delta
Deal found 6/17![Delta logo]()
$1,402
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:45 am
SEA
- SCL
2 stops18h 00m
Multiple Airlines
Thu 8/2712:30 am
SCL
- SEA
2 stops21h 55m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,265
This Delta deal was found by Cheapflights users on 6/15. 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 6/227:15 am
SEA
- SCL
1 stop20h 10m
Delta
Wed 7/228:40 pm
SCL
- SEA
1 stop26h 31m
Delta
Deal found 6/15![Delta logo]()
$1,491
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:34 am
SEA
- SCL
2 stops30h 02m
Multiple Airlines
Fri 7/2411:00 pm
SCL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,437
This oojo deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:00 am
SEA
- SCL
1 stop20h 25m
Multiple Airlines
Mon 9/2110:55 pm
SCL
- SEA
1 stop21h 16m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,450
This eDestinos deal was found by Cheapflights users on 6/15. 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.
Mon 6/2211:56 am
SEA
- SCL
1 stop16h 19m
Multiple Airlines
Tue 7/213:35 am
SCL
- SEA
2 stops21h 25m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,451
This Gotogate deal was found by Cheapflights users on 6/16. 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.
Fri 7/311:30 pm
SEA
- SCL
2 stops27h 06m
Multiple Airlines
Fri 8/711:22 am
SCL
- SEA
2 stops24h 51m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,453
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated June 18, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 6/15. 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.
Mon 6/223:33 pm
SEA
- SCL
3 stops34h 57m
Multiple Airlines
Tue 7/213:35 am
SCL
- SEA
2 stops21h 25m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,237
This Mytrip deal was found by Cheapflights users on 6/14. 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
Sun 7/128:40 pm
SCL
- SEA
3 stops29h 02m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,190
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:26 am
SEA
- SCL
1 stop19h 09m
Multiple Airlines
Mon 9/712:22 pm
SCL
- SEA
2 stops25h 15m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,198
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:26 am
SEA
- SCL
1 stop19h 09m
Multiple Airlines
Wed 9/91:43 am
SCL
- SEA
2 stops35h 54m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,242
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:26 am
SEA
- SCL
1 stop19h 09m
Multiple Airlines
Mon 9/73:14 am
SCL
- SEA
2 stops34h 23m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,244
This Mytrip deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:00 pm
SEA
- SCL
3 stops24h 35m
Multiple Airlines
Mon 9/214:20 pm
SCL
- SEA
2 stops32h 44m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,199
This Mytrip deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:00 pm
SEA
- SCL
3 stops26h 45m
Multiple Airlines
Fri 8/143:20 pm
SCL
- SEA
3 stops32h 40m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,245
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 18, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
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 6/17. 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 6/17![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/152:15 pm
SEA
- SCL
3 stops30h 07m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$387
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 6/17. 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 stops43h 35m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$419
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.
Mon 9/78:13 pm
SEA
- SCL
3 stops44h 19m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 stops40h 16m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
SEA
- SCL
3 stops51h 35m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:06 pm
SEA
- SCL
3 stops31h 08m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$455
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 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,051 (Mytrip) |
One-way from | $381 (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 18, 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 8/31
11:00 pm-3:56 am
3 stops25h 56m
Santiago Arturo Merino Benitez
Tue 10/20
5:41 am-9:04 pm
3 stops43h 23m
$1,210
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 8/17
7:45 am-4:45 am
2 stops18h 00m
Santiago Arturo Merino Benitez
Thu 8/27
12:30 am-7:25 pm
2 stops21h 55m
$1,265
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 8/10
7:15 am-6:25 am
1 stop20h 10m
Santiago Arturo Merino Benitez
Mon 8/24
7:50 am-11:44 pm
2 stops18h 54m
$1,402
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Fri 7/17
10:34 am-7:36 pm
2 stops30h 02m
Santiago Arturo Merino Benitez
Fri 7/24
11:00 pm-10:00 pm
1 stop26h 00m
$1,437
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 7/13
7:00 am-6:25 am
1 stop20h 25m
Santiago Arturo Merino Benitez
Mon 9/21
10:55 pm-4:11 pm
1 stop21h 16m
$1,450
Quickest round-trip
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 6/22
11:56 am-7:15 am
1 stop16h 19m
Santiago Arturo Merino Benitez
Tue 7/21
3:35 am-10:00 pm
2 stops21h 25m
$1,451
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Fri 7/31
1:30 pm-7:36 pm
2 stops27h 06m
Santiago Arturo Merino Benitez
Fri 8/7
11:22 am-9:13 am
2 stops24h 51m
$1,453
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 6/22
7:15 am-6:25 am
1 stop20h 10m
Santiago Arturo Merino Benitez
Wed 7/22
8:40 pm-8:11 pm
1 stop26h 31m
$1,491
Cheapest one-way
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 9/15
2:15 pm-12:22 am
3 stops30h 07m
$387
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 9/9
2:15 pm-11:39 pm
2 stops29h 24m
$467
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Seattle to Santiago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Santiago in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Santiago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Santiago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Santiago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Santiago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Santiago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Santiago
Have a flexible travel schedule? Discover the best time to fly to Santiago from Seattle with our price prediction graph.
SEA-SCL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Santiago
How far ahead should I book a flight from Seattle to Santiago?
The best time to book flights from Seattle to Santiago is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Santiago?
Currently, 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 18, 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.
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Crew
8.5
Overall
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 18, 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% |