$404+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Jun 9 — Jun 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 May 10, 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 May 10, 2026.
This Air Canada deal was found by Cheapflights users on 5/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:10 am
SEA
- SCL
1 stop22h 05m
Air Canada
Tue 11/248:55 pm
SCL
- SEA
1 stop30h 21m
Air Canada
Deal found 5/6![Air Canada logo]()
$982
This LATAM Airlines deal was found by Cheapflights users on 5/6. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:30 am
SEA
- SCL
1 stop16h 45m
LATAM Airlines
Wed 6/1011:25 pm
SCL
- SEA
1 stop16h 04m
LATAM Airlines
Deal found 5/6![LATAM Airlines logo]()
$1,002
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:15 am
SEA
- SCL
2 stops18h 35m
Delta
Tue 6/237:55 pm
SCL
- SEA
2 stops19h 39m
Delta
Deal found 5/7![Delta logo]()
$1,022
This LATAM Airlines deal was found by Cheapflights users on 5/7. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:15 am
SEA
- SCL
1 stop19h 20m
LATAM Airlines
Tue 6/2310:30 am
SCL
- SEA
1 stop26h 30m
LATAM Airlines
Deal found 5/7![LATAM Airlines logo]()
$1,027
This oojo deal was found by Cheapflights users on 5/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:55 am
SEA
- SCL
2 stops34h 50m
Multiple Airlines
Tue 6/2310:30 am
SCL
- SEA
1 stop38h 30m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,035
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:45 am
SEA
- SCL
2 stops24h 30m
Multiple Airlines
Tue 11/248:15 am
SCL
- SEA
3 stops35h 05m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,066
This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:15 am
SEA
- SCL
1 stop19h 20m
LATAM Airlines
Mon 6/2910:55 pm
SCL
- SEA
1 stop18h 55m
LATAM Airlines
Deal found 5/7![LATAM Airlines logo]()
$1,067
This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2211:59 pm
SEA
- SCL
2 stops26h 36m
LATAM Airlines
Mon 6/298:30 am
SCL
- SEA
2 stops28h 30m
LATAM Airlines
Deal found 5/7![LATAM Airlines logo]()
$1,072
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:15 pm
SEA
- SCL
2 stops27h 45m
Delta
Mon 6/2910:55 pm
SCL
- SEA
1 stop27h 13m
Delta
Deal found 5/7![Delta logo]()
$1,075
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:25 am
SEA
- SCL
2 stops29h 43m
Delta
Tue 6/3010:30 am
SCL
- SEA
1 stop26h 30m
Delta
Deal found 5/7![Delta logo]()
$1,077
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 May 10, 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 May 10, 2026.
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:15 am
SEA
- SCL
1 stop19h 20m
Delta
Tue 6/237:55 pm
SCL
- SEA
2 stops19h 39m
Delta
Deal found 5/7![Delta logo]()
$1,022
This Mytrip deal was found by Cheapflights users on 5/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:20 pm
SEA
- SCL
2 stops32h 35m
Multiple Airlines
Wed 6/103:20 pm
SCL
- SEA
3 stops30h 25m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,118
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:23 am
SEA
- SCL
2 stops17h 42m
American Airlines
Thu 1/1411:45 pm
SCL
- SEA
1 stop20h 49m
American Airlines
Deal found 5/8![American Airlines logo]()
$1,155
This Justfly.com deal was found by Cheapflights users on 5/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am
SEA
- SCL
1 stop22h 15m
LATAM Airlines
Wed 11/47:45 am
SCL
- SEA
2 stops21h 33m
LATAM Airlines
Deal found 5/6![LATAM Airlines logo]()
$1,160
This Copa Airlines deal was found by Cheapflights users on 5/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:45 pm
SEA
- SCL
2 stops23h 34m
Copa Airlines
Wed 9/163:27 am
SCL
- SEA
2 stops22h 29m
Copa Airlines
Deal found 5/8![Copa Airlines logo]()
$1,218
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1810:05 am
SEA
- SCL
1 stop16h 30m
Delta
Tue 6/3010:55 pm
SCL
- SEA
1 stop27h 13m
Delta
Deal found 5/7![Delta logo]()
$1,075
This oojo deal was found by Cheapflights users on 5/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:05 pm
SEA
- SCL
1 stop30h 30m
Multiple Airlines
Wed 11/411:55 pm
SCL
- SEA
1 stop25h 20m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,175
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2211:59 pm
SEA
- SCL
2 stops26h 36m
Delta
Tue 6/3010:55 pm
SCL
- SEA
1 stop24h 24m
Delta
Deal found 5/7![Delta logo]()
$1,080
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:40 am
SEA
- SCL
2 stops20h 10m
American Airlines
Tue 9/159:30 pm
SCL
- SEA
2 stops23h 12m
American Airlines
Deal found 5/9![American Airlines logo]()
$1,278
This Mytrip deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:35 pm
SEA
- SCL
3 stops35h 50m
Multiple Airlines
Mon 6/153:20 pm
SCL
- SEA
3 stops32h 40m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,194
This KAYAK deal was found by Cheapflights users on 5/5. 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.
Tue 8/251:56 pm
SEA
- SCL
2 stops21h 49m
Multiple Airlines
Thu 9/103:56 am
SCL
- SEA
2 stops21h 25m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,309
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated May 10, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 5/6. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:30 am
SEA
- SCL
1 stop16h 45m
LATAM Airlines
Wed 6/107:55 pm
SCL
- SEA
2 stops19h 34m
LATAM Airlines
Deal found 5/6![LATAM Airlines logo]()
$1,002
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:15 am
SEA
- SCL
2 stops18h 35m
Delta
Tue 6/237:55 pm
SCL
- SEA
2 stops19h 39m
Delta
Deal found 5/7![Delta logo]()
$1,022
This LATAM Airlines deal was found by Cheapflights users on 5/7. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:15 am
SEA
- SCL
1 stop19h 20m
LATAM Airlines
Tue 6/2310:30 am
SCL
- SEA
1 stop26h 30m
LATAM Airlines
Deal found 5/7![LATAM Airlines logo]()
$1,027
This oojo deal was found by Cheapflights users on 5/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:55 am
SEA
- SCL
2 stops34h 50m
Multiple Airlines
Tue 6/2310:30 am
SCL
- SEA
1 stop38h 30m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,035
This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:15 am
SEA
- SCL
1 stop19h 20m
LATAM Airlines
Mon 6/2910:55 pm
SCL
- SEA
1 stop18h 55m
LATAM Airlines
Deal found 5/7![LATAM Airlines logo]()
$1,067
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:25 am
SEA
- SCL
2 stops29h 43m
Delta
Tue 6/3010:30 am
SCL
- SEA
1 stop26h 30m
Delta
Deal found 5/7![Delta logo]()
$1,077
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:15 pm
SEA
- SCL
2 stops27h 45m
Delta
Mon 6/2910:55 pm
SCL
- SEA
1 stop27h 13m
Delta
Deal found 5/7![Delta logo]()
$1,075
This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2211:59 pm
SEA
- SCL
2 stops26h 36m
LATAM Airlines
Mon 6/298:30 am
SCL
- SEA
2 stops28h 30m
LATAM Airlines
Deal found 5/7![LATAM Airlines logo]()
$1,072
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 May 10, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Tue 5/267:50 pm
SEA
- SCL
3 stops44h 33m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/511:21 am
SEA
- SCL
2 stops53h 02m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Mon 10/1911:06 am
SEA
- SCL
3 stops36h 29m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Wed 10/217:35 pm
SEA
- SCL
3 stops48h 20m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 10/29:16 pm
SEA
- SCL
3 stops51h 39m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:06 am
SEA
- SCL
3 stops37h 49m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/167:41 pm
SEA
- SCL
3 stops31h 19m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:12 pm
SEA
- SCL
3 stops51h 48m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$466
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,002 (LATAM Airlines) |
One-way from | $404 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $1,320 |
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 May 10, 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 6/8
7:15 am-5:35 am
1 stop19h 20m
Santiago Arturo Merino Benitez
Tue 6/23
7:55 pm-12:34 pm
2 stops19h 39m
$1,022
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Thu 6/18
10:05 am-5:35 am
1 stop16h 30m
Santiago Arturo Merino Benitez
Tue 6/30
10:55 pm-11:08 pm
1 stop27h 13m
$1,075
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 6/22
11:59 pm-5:35 am
2 stops26h 36m
Santiago Arturo Merino Benitez
Tue 6/30
10:55 pm-8:19 pm
1 stop24h 24m
$1,080
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 6/3
7:20 pm-6:55 am
2 stops32h 35m
Santiago Arturo Merino Benitez
Wed 6/10
3:20 pm-6:45 pm
3 stops30h 25m
$1,118
Quickest round-trip
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 6/23
10:23 am-7:05 am
2 stops17h 42m
Santiago Arturo Merino Benitez
Thu 1/14
11:45 pm-3:34 pm
1 stop20h 49m
$1,155
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 10/14
6:00 am-8:15 am
1 stop22h 15m
Santiago Arturo Merino Benitez
Wed 11/4
7:45 am-12:18 am
2 stops21h 33m
$1,160
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 10/14
7:05 pm-5:35 am
1 stop30h 30m
Santiago Arturo Merino Benitez
Wed 11/4
11:55 pm-8:15 pm
1 stop25h 20m
$1,175
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 6/8
12:35 pm-3:25 am
3 stops35h 50m
Santiago Arturo Merino Benitez
Mon 6/15
3:20 pm-9:00 pm
3 stops32h 40m
$1,194
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 9/1
4:45 pm-7:19 pm
2 stops23h 34m
Santiago Arturo Merino Benitez
Wed 9/16
3:27 am-9:56 pm
2 stops22h 29m
$1,218
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 8/10
7:40 am-6:50 am
2 stops20h 10m
Santiago Arturo Merino Benitez
Tue 9/15
9:30 pm-4:42 pm
2 stops23h 12m
$1,278
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Seattle to Santiago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Santiago in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Santiago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Santiago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Santiago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Santiago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Santiago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Santiago
Have a flexible travel schedule? Discover the best time to fly to Santiago from Seattle with our price prediction graph.
SEA-SCL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Santiago
How far ahead should I book a flight from Seattle to Santiago?
The best time to book flights from Seattle to Santiago is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Santiago?
Currently, January is the cheapest month in which you can book a flight from Seattle to Santiago (average of $1,044). Flying from Seattle to Santiago in 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 May 10, 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.
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Santiago flight routes
Alternative routes for Seattle to Santiago
See prices for flight routes from nearby airports that may be better suited for you.
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 May 10, 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 May 10, 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 May 10, 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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$888 | Average$1,180 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$895 | Average$1,279 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$918 | Average$1,245 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,018 | Average$1,128 | FlexibilityNo cancel fee | On-time69% |