$414+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCL
Jun 25 — Jul 21
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
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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 26, 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 26, 2026.
This eDestinos deal was found by Cheapflights users on 5/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:05 am
SEA
- SCL
1 stop16h 30m
LATAM Airlines
Wed 7/2211:00 pm
SCL
- SEA
1 stop26h 10m
LATAM Airlines
Deal found 5/24![LATAM Airlines logo]()
$934
This LATAM Airlines deal was found by Cheapflights users on 5/25. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:15 am
SEA
- SCL
1 stop20h 10m
LATAM Airlines
Wed 7/1511:00 pm
SCL
- SEA
1 stop26h 10m
LATAM Airlines
Deal found 5/25![LATAM Airlines logo]()
$937
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/122:15 pm
SEA
- SCL
1 stop35h 20m
Multiple Airlines
Tue 9/294:20 pm
SCL
- SEA
2 stops21h 17m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$950
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/136:53 am
SEA
- SCL
1 stop18h 42m
Multiple Airlines
Fri 9/251:30 am
SCL
- SEA
2 stops23h 30m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$971
This Air Canada deal was found by Cheapflights users on 5/24. 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.
Mon 11/910:10 am
SEA
- SCL
2 stops20h 05m
Air Canada
Wed 12/97:25 am
SCL
- SEA
2 stops36h 12m
Air Canada
Deal found 5/24![Air Canada logo]()
$977
This Air Canada deal was found by Cheapflights users on 5/24. 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 11/67:45 am
SEA
- SCL
1 stop22h 30m
Air Canada
Mon 12/78:55 pm
SCL
- SEA
2 stops26h 27m
Air Canada
Deal found 5/24![Air Canada logo]()
$982
This Air Canada deal was found by Cheapflights users on 5/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:10 am
SEA
- SCL
2 stops20h 05m
Air Canada
Thu 12/248:55 pm
SCL
- SEA
2 stops22h 42m
Air Canada
Deal found 5/25![Air Canada logo]()
$987
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 26, 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 26, 2026.
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:59 pm
SEA
- SCL
2 stops27h 01m
Delta
Thu 7/1610:55 pm
SCL
- SEA
1 stop18h 55m
Delta
Deal found 5/25![Delta logo]()
$1,025
This eDestinos deal was found by Cheapflights users on 5/22. 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 6/229:18 pm
SEA
- SCL
3 stops29h 17m
Multiple Airlines
Tue 7/213:35 am
SCL
- SEA
2 stops21h 25m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,058
This Air Canada deal was found by Cheapflights users on 5/22. 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 11/1110:10 am
SEA
- SCL
2 stops20h 05m
Air Canada
Wed 1/137:25 am
SCL
- SEA
2 stops42h 29m
Air Canada
Deal found 5/22![Air Canada logo]()
$1,060
This FlightHub deal was found by Cheapflights users on 5/21. 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.
Tue 10/207:20 am
SEA
- SCL
1 stop19h 05m
LATAM Airlines
Tue 11/1011:55 pm
SCL
- SEA
1 stop24h 28m
LATAM Airlines
Deal found 5/21![LATAM Airlines logo]()
$1,104
This Copa Airlines deal was found by Cheapflights users on 5/23. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:51 pm
SEA
- SCL
2 stops21h 41m
Copa Airlines
Mon 11/91:16 am
SCL
- SEA
2 stops25h 40m
Copa Airlines
Deal found 5/23![Copa Airlines logo]()
$1,238
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:59 pm
SEA
- SCL
2 stops27h 01m
Delta
Wed 7/1511:00 pm
SCL
- SEA
2 stops23h 05m
Delta
Deal found 5/25![Delta logo]()
$1,030
This Expedia deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2110:54 pm
SEA
- SCL
2 stops27h 41m
Multiple Airlines
Sun 6/2811:05 pm
SCL
- SEA
2 stops37h 55m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,069
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:45 pm
SEA
- SCL
1 stop30h 30m
Delta
Wed 7/1511:00 pm
SCL
- SEA
1 stop26h 10m
Delta
Deal found 5/24![Delta logo]()
$1,031
This Expedia deal was found by Cheapflights users on 5/23. 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.
Sun 7/129:33 pm
SEA
- SCL
2 stops37h 42m
Multiple Airlines
Sat 7/253:20 pm
SCL
- SEA
2 stops58h 25m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,192
Last-minute flights from Seattle to SantiagoDiscover last-minute flight deals from Seattle to Santiago. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Santiago. Data last updated May 26, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 5/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:05 am
SEA
- SCL
1 stop16h 30m
LATAM Airlines
Wed 7/2211:00 pm
SCL
- SEA
1 stop26h 10m
LATAM Airlines
Deal found 5/24![LATAM Airlines logo]()
$934
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 26, 2026.
Search for one-way flight options from Seattle to Santiago. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Tue 6/211:00 pm
SEA
- SCL
3 stops35h 30m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Thu 6/113:33 pm
SEA
- SCL
3 stops32h 27m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 6/197:41 pm
SEA
- SCL
3 stops28h 19m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/227:06 pm
SEA
- SCL
3 stops28h 54m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Fri 10/1611:06 am
SEA
- SCL
3 stops46h 29m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Thu 7/237:06 pm
SEA
- SCL
3 stops48h 37m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Fri 7/1011:00 pm
SEA
- SCL
3 stops45h 26m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$502
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $934 (eDestinos) |
One-way from | $414 (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 26, 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
Tue 7/7
11:59 pm-6:00 am
2 stops27h 01m
Santiago Arturo Merino Benitez
Thu 7/16
10:55 pm-2:50 pm
1 stop18h 55m
$1,025
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 7/7
11:59 pm-6:00 am
2 stops27h 01m
Santiago Arturo Merino Benitez
Wed 7/15
11:00 pm-7:05 pm
2 stops23h 05m
$1,030
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 7/8
9:45 pm-7:15 am
1 stop30h 30m
Santiago Arturo Merino Benitez
Wed 7/15
11:00 pm-10:10 pm
1 stop26h 10m
$1,031
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Mon 6/22
9:18 pm-5:35 am
3 stops29h 17m
Santiago Arturo Merino Benitez
Tue 7/21
3:35 am-10:00 pm
2 stops21h 25m
$1,058
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Wed 11/11
10:10 am-11:15 am
2 stops20h 05m
Santiago Arturo Merino Benitez
Wed 1/13
7:25 am-8:54 pm
2 stops42h 29m
$1,060
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sun 6/21
10:54 pm-5:35 am
2 stops27h 41m
Santiago Arturo Merino Benitez
Sun 6/28
11:05 pm-10:00 am
2 stops37h 55m
$1,069
Quickest round-trip
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 10/20
7:20 am-6:25 am
1 stop19h 05m
Santiago Arturo Merino Benitez
Tue 11/10
11:55 pm-7:23 pm
1 stop24h 28m
$1,104
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Sun 7/12
9:33 pm-2:15 pm
2 stops37h 42m
Santiago Arturo Merino Benitez
Sat 7/25
3:20 pm-10:45 pm
2 stops58h 25m
$1,192
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 10/20
6:51 pm-8:32 pm
2 stops21h 41m
Santiago Arturo Merino Benitez
Mon 11/9
1:16 am-9:56 pm
2 stops25h 40m
$1,238
Cheapest one-way
SeattleSantiago
SEA - SCL
SEASCL
Seattle/Tacoma Intl
Tue 6/2
11:00 pm-1:30 pm
3 stops35h 30m
$414
Showing 1-10 of 14 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 $1,049). 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 26, 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.
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
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.
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Alternative routes for Seattle to Santiago
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Complete your trip
Complete your trip to Santiago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Santiago by cabin class
Find flights from Seattle to Santiago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Santiago flights
Browse other Seattle and Santiago flight options. Last updated on May 26, 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 26, 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 26, 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$888 | Average$1,186 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$895 | Average$1,278 | 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% |