$363+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Sep 8 — Sep 151
Round-trip
1 adult, Economy
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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 August 9, 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 August 9, 2026.
This Air Canada deal was found by Cheapflights users on 8/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:10 am -
2 stops39h 40m
Tue 12/88:25 am -
2 stops38h 57m
Deal found 8/7![Air Canada logo]()
$842
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Fri 9/118:15 pm -
1 stop29h 20m
Sat 9/193:56 am -
2 stops33h 41m
Deal found 8/5![Multiple Airlines logo]()
$934
This Air Canada deal was found by Cheapflights users on 8/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:05 pm -
2 stops36h 10m
Tue 12/88:25 am -
2 stops35h 12m
Deal found 8/7![Air Canada logo]()
$942
This Air Canada deal was found by Cheapflights users on 8/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:45 am -
1 stop23h 30m
Sun 12/68:25 am -
2 stops41h 34m
Deal found 8/7![Air Canada logo]()
$950
This Justfly.com deal was found by Cheapflights users on 8/6. 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 10/287:45 am -
1 stop23h 30m
Tue 11/39:55 pm -
1 stop28h 04m
Deal found 8/6![Air Canada logo]()
$970
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/208:08 am -
2 stops34h 28m
Wed 11/411:55 pm -
1 stop23h 31m
Deal found 8/6![Multiple Airlines logo]()
$996
This Air Canada deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:05 pm -
2 stops36h 10m
Sun 1/178:25 am -
2 stops41h 34m
Deal found 8/8![Air Canada logo]()
$1,006
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/2111:06 am -
1 stop38h 29m
Wed 11/48:35 pm -
2 stops30h 19m
Deal found 8/6![Multiple Airlines logo]()
$1,018
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/2111:06 am -
1 stop38h 29m
Tue 11/38:35 pm -
2 stops30h 19m
Deal found 8/6![Multiple Airlines logo]()
$1,019
This Air Canada deal was found by Cheapflights users on 8/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:40 am -
2 stops22h 35m
Mon 11/239:55 pm -
2 stops25h 27m
Deal found 8/4![Air Canada logo]()
$1,023
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 August 9, 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 August 9, 2026.
This Air Canada deal was found by Cheapflights users on 8/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:05 pm -
2 stops30h 45m
Sun 1/318:25 am -
2 stops41h 34m
Deal found 8/5![Air Canada logo]()
$850
This Justfly.com deal was found by Cheapflights users on 8/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:20 am -
1 stop17h 15m
Sun 1/1011:55 pm -
1 stop24h 28m
Deal found 8/5![LATAM Airlines logo]()
$1,232
This Avianca deal was found by Cheapflights users on 8/7. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am -
2 stops19h 45m
Sun 8/2312:30 am -
2 stops20h 41m
Deal found 8/7![Multiple Airlines logo]()
$1,235
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:10 am -
1 stop17h 45m
Thu 12/2411:10 pm -
1 stop27h 48m
Deal found 8/4![Delta logo]()
$1,348
This Copa Airlines deal was found by Cheapflights users on 8/7. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:51 pm -
2 stops23h 44m
Thu 1/712:20 pm -
2 stops28h 13m
Deal found 8/7![Copa Airlines logo]()
$1,428
This Air Canada deal was found by Cheapflights users on 8/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/110:10 am -
2 stops39h 40m
Mon 2/159:55 pm -
2 stops21h 42m
Deal found 8/4![Air Canada logo]()
$1,027
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:00 am -
2 stops19h 55m
Tue 12/227:30 am -
2 stops21h 41m
Deal found 8/4![Delta logo]()
$1,375
This eDestinos deal was found by Cheapflights users on 8/6. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:05 am -
1 stop19h 50m
Tue 8/258:20 pm -
3 stops44h 02m
Deal found 8/6![Multiple Airlines logo]()
$1,400
This Copa Airlines deal was found by Cheapflights users on 8/7. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:51 pm -
2 stops23h 44m
Sun 1/175:13 am -
2 stops35h 20m
Deal found 8/7![Copa Airlines logo]()
$1,457
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Thu 11/510:10 am -
3 stops26h 05m
Sat 11/144:25 pm -
3 stops34h 32m
Deal found 8/5![Multiple Airlines logo]()
$1,404
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/148:10 am -
1 stop16h 25m
Tue 12/2211:10 pm -
1 stop27h 48m
Deal found 8/4![Delta logo]()
$1,452
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:30 am -
1 stop20h 45m
Wed 11/411:55 pm -
1 stop21h 50m
Deal found 8/6![Delta logo]()
$1,460
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated August 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 9/410:34 am -
2 stops40h 21m
Sun 9/1311:55 pm -
1 stop25h 59m
Deal found 8/7![Multiple Airlines logo]()
$1,139
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sun 9/67:10 pm -
1 stop30h 25m
Sun 9/1310:20 am -
2 stops32h 48m
Deal found 8/5![Multiple Airlines logo]()
$1,103
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/88:00 am -
1 stop18h 55m
Sat 9/195:14 am -
2 stops32h 23m
Deal found 8/7![Multiple Airlines logo]()
$1,051
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Fri 9/118:15 pm -
1 stop29h 20m
Sat 9/193:56 am -
2 stops33h 41m
Deal found 8/5![Multiple Airlines logo]()
$934
This eDestinos deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:49 pm -
3 stops52h 06m
Mon 9/285:14 am -
2 stops43h 30m
Deal found 8/8![Multiple Airlines logo]()
$1,023
This Mytrip deal was found by Cheapflights users on 8/4. 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.
Thu 9/243:00 pm -
3 stops28h 55m
Thu 10/84:20 pm -
3 stops31h 39m
Deal found 8/4![Multiple Airlines logo]()
$1,105
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 August 9, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/224:27 pm -
3 stops58h 08m
Deal found 8/7![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Wed 10/2111:06 am -
3 stops47h 29m
Deal found 8/4![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/17:07 pm -
3 stops31h 53m
Deal found 8/7![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 10/287:41 pm -
3 stops27h 05m
Deal found 8/7![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/234:27 pm -
3 stops42h 08m
Deal found 8/7![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/244:27 pm -
3 stops42h 08m
Deal found 8/7![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 10/279:16 pm -
3 stops49h 30m
Deal found 8/7![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 8/197:06 pm -
3 stops27h 44m
Deal found 8/5![Multiple Airlines logo]()
$416
This Air Canada deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/293:15 pm -
2 stops34h 35m
Deal found 8/8![Air Canada logo]()
$420
This Orbitz deal was found by Cheapflights users on 8/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:40 am -
2 stops41h 10m
Deal found 8/4![Air Canada logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Mon 8/247:06 pm -
3 stops48h 37m
Deal found 8/5![Multiple Airlines logo]()
$424
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 August 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $842 (Air Canada) |
One-way from | $363 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $1,275 |
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 August 9, 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 Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Sun 1/10
7:05 pm-6:50 am
2 stops30h 45m
Santiago Arturo Merino Benitez
Sun 1/31
8:25 am-8:59 pm
2 stops41h 34m
$850
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Mon 2/1
10:10 am-6:50 am
2 stops39h 40m
Santiago Arturo Merino Benitez
Mon 2/15
9:55 pm-2:37 pm
2 stops21h 42m
$1,027
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Thu 12/31
7:20 am-5:35 am
1 stop17h 15m
Santiago Arturo Merino Benitez
Sun 1/10
11:55 pm-7:23 pm
1 stop24h 28m
$1,232
Quickest round-trip
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Fri 8/21
6:00 am-4:45 am
2 stops19h 45m
Santiago Arturo Merino Benitez
Sun 8/23
12:30 am-6:11 pm
2 stops20h 41m
$1,235
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Tue 12/15
8:10 am-6:55 am
1 stop17h 45m
Santiago Arturo Merino Benitez
Thu 12/24
11:10 pm-9:58 pm
1 stop27h 48m
$1,348
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Tue 12/15
6:00 am-6:55 am
2 stops19h 55m
Santiago Arturo Merino Benitez
Tue 12/22
7:30 am-12:11 am
2 stops21h 41m
$1,375
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Tue 8/18
8:05 am-6:55 am
1 stop19h 50m
Santiago Arturo Merino Benitez
Tue 8/25
8:20 pm-1:22 pm
3 stops44h 02m
$1,400
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Thu 11/5
10:10 am-5:15 pm
3 stops26h 05m
Santiago Arturo Merino Benitez
Sat 11/14
4:25 pm-9:57 pm
3 stops34h 32m
$1,404
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Tue 12/15
6:51 pm-11:35 pm
2 stops23h 44m
Santiago Arturo Merino Benitez
Thu 1/7
12:20 pm-11:33 am
2 stops28h 13m
$1,428
SeattleSantiago
SEA Seattle/Tacoma Intl - SCL Santiago Arturo Merino Benitez
SEASCL
Seattle/Tacoma Intl
Mon 12/14
8:10 am-5:35 am
1 stop16h 25m
Santiago Arturo Merino Benitez
Tue 12/22
11:10 pm-9:58 pm
1 stop27h 48m
$1,452
Showing 1-10 of 21 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 August.
| 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-Santiago flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 37 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 $998). Flying from Seattle to Santiago in July is currently the most expensive (average of $1,622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Santiago?
Airfare is below average for this route at the moment.
Seattle to Santiago flights typically cost between $1,187 and $1,634 in November.The cheapest round-trip price found within the last 5 days was $842 on Air Canada (Nov 30-Dec 8).
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 August 9, 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.
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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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 August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$888 | Average$1,196 | 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% |