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Cheap flights from Seattle to Santiago from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Santiago departing on 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Santiago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:50 am - 6:50 amSEA-SCL
44h 00m2 stops
Air Canada Logo
8:55 pm - 7:16 pmSCL-SEA
51h 21m2 stops
$804Air Canada
Find Deal
Mon, Jan 5 - Thu, Jan 22
Air Canada Logo
8:10 am - 12:15 pmSEA-SCL
23h 05m1 stop
Air Canada Logo
8:25 am - 9:31 amSCL-SEA
30h 06m2 stops
$809Air Canada
Find Deal
Wed, Feb 18 - Wed, Feb 25
Air Canada Logo
5:50 am - 6:50 amSEA-SCL
44h 00m2 stops
Air Canada Logo
8:55 pm - 10:06 pmSCL-SEA
54h 11m2 stops
$811Air Canada
Find Deal
Mon, Jan 5 - Wed, Jan 21
Air Canada Logo
5:50 am - 12:15 pmSEA-SCL
49h 25m2 stops
Air Canada Logo
8:55 pm - 9:31 amSCL-SEA
41h 36m2 stops
$814Air Canada
Find Deal
Sat, Jan 10 - Sat, Feb 7
Air Canada Logo
10:05 am - 11:15 amSEA-SCL
21h 10m2 stops
Air Canada Logo
7:55 pm - 10:16 pmSCL-SEA
30h 21m1 stop
$817Air Canada
Find Deal
Tue, Mar 10 - Tue, Mar 24
Air Canada Logo
5:50 am - 12:15 pmSEA-SCL
49h 25m2 stops
Air Canada Logo
8:55 pm - 9:31 amSCL-SEA
41h 36m2 stops
$818Air Canada
Find Deal
Tue, Jan 6 - Wed, Jan 21
Multiple Airlines Logo
5:31 pm - 5:35 amSEA-SCL
31h 04m1 stop
Multiple Airlines Logo
1:35 am - 10:29 pmSCL-SEA
25h 54m3 stops
$834Multiple Airlines
Find Deal
Sat, Jan 10 - Fri, Feb 6
LATAM Airlines Logo
7:45 am - 5:35 amSEA-SCL
16h 50m1 stop
LATAM Airlines Logo
11:55 pm - 12:58 pmSCL-SEA
18h 03m1 stop
$918LATAM Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
LATAM Airlines Logo
7:10 am - 6:55 amSEA-SCL
18h 45m1 stop
LATAM Airlines Logo
11:55 pm - 2:55 pmSCL-SEA
20h 00m1 stop
$940LATAM Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
LATAM Airlines Logo
6:15 am - 6:10 amSEA-SCL
18h 55m1 stop
LATAM Airlines Logo
11:55 pm - 2:55 pmSCL-SEA
20h 00m1 stop
$944LATAM Airlines
Find Deal
Mon, Jan 5 - Tue, Jan 20

Air Canada flights from Seattle to Santiago

Our best Air Canada deals on Seattle to Santiago flight tickets
Air Canada
Jan 5
SEA5:50 amSeattle/Tacoma Intl
44h 00m
2 stops
SCL6:50 amSantiago Arturo Merino Benitez
Jan 22
SCL8:55 pmSantiago Arturo Merino Benitez
51h 21m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$804
Find similar
Air Canada
Feb 18
SEA8:10 amSeattle/Tacoma Intl
23h 05m
1 stop
SCL12:15 pmSantiago Arturo Merino Benitez
Feb 25
SCL8:25 amSantiago Arturo Merino Benitez
30h 06m
2 stops
SEA9:31 amSeattle/Tacoma Intl
$809
Find similar
Air Canada
Jan 5
SEA5:50 amSeattle/Tacoma Intl
44h 00m
2 stops
SCL6:50 amSantiago Arturo Merino Benitez
Jan 21
SCL8:55 pmSantiago Arturo Merino Benitez
54h 11m
2 stops
SEA10:06 pmSeattle/Tacoma Intl
$811
Find similar

LATAM Airlines flights from Seattle to Santiago

Our best LATAM Airlines deals on Seattle to Santiago flight tickets
LATAM Airlines
Jan 12
SEA7:45 amSeattle/Tacoma Intl
16h 50m
1 stop
SCL5:35 amSantiago Arturo Merino Benitez
Jan 20
SCL11:55 pmSantiago Arturo Merino Benitez
18h 03m
1 stop
SEA12:58 pmSeattle/Tacoma Intl
$918
Find similar
LATAM Airlines
Jan 12
SEA7:10 amSeattle/Tacoma Intl
18h 45m
1 stop
SCL6:55 amSantiago Arturo Merino Benitez
Jan 20
SCL11:55 pmSantiago Arturo Merino Benitez
20h 00m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$940
Find similar
LATAM Airlines
Jan 5
SEA6:15 amSeattle/Tacoma Intl
18h 55m
1 stop
SCL6:10 amSantiago Arturo Merino Benitez
Jan 20
SCL11:55 pmSantiago Arturo Merino Benitez
20h 00m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$944
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
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

Price

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 1/5

5:50 am-6:50 am

2 stops44h 00m

Santiago Arturo Merino Benitez

Thu 1/22

8:55 pm-7:16 pm

2 stops51h 21m

$804

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 2/18

8:10 am-12:15 pm

1 stop23h 05m

Santiago Arturo Merino Benitez

Wed 2/25

8:25 am-9:31 am

2 stops30h 06m

$809

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 1/5

5:50 am-6:50 am

2 stops44h 00m

Santiago Arturo Merino Benitez

Wed 1/21

8:55 pm-10:06 pm

2 stops54h 11m

$811

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 1/10

5:50 am-12:15 pm

2 stops49h 25m

Santiago Arturo Merino Benitez

Sat 2/7

8:55 pm-9:31 am

2 stops41h 36m

$814

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 3/10

10:05 am-11:15 am

2 stops21h 10m

Santiago Arturo Merino Benitez

Tue 3/24

7:55 pm-10:16 pm

1 stop30h 21m

$817

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 1/6

5:50 am-12:15 pm

2 stops49h 25m

Santiago Arturo Merino Benitez

Wed 1/21

8:55 pm-9:31 am

2 stops41h 36m

$818

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 1/10

5:31 pm-5:35 am

1 stop31h 04m

Santiago Arturo Merino Benitez

Fri 2/6

1:35 am-10:29 pm

3 stops25h 54m

$834

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 1/12

7:45 am-5:35 am

1 stop16h 50m

Santiago Arturo Merino Benitez

Tue 1/20

11:55 pm-12:58 pm

1 stop18h 03m

$918

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 1/12

7:10 am-6:55 am

1 stop18h 45m

Santiago Arturo Merino Benitez

Tue 1/20

11:55 pm-2:55 pm

1 stop20h 00m

$940

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Mon 1/5

6:15 am-6:10 am

1 stop18h 55m

Santiago Arturo Merino Benitez

Tue 1/20

11:55 pm-2:55 pm

1 stop20h 00m

$944

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Santiago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Santiago?

What is the cheapest month to fly to Santiago?

In general, November is the cheapest month to fly from Seattle to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,006. If you don’t want to visit Santiago in November, then you should wait until July to fly from Seattle, when ticket prices are also cheap, with an average price of $1,100.

What is the cheapest day to depart on your flight to Santiago?

The cheapest day to depart on your flight to Santiago is on a Tuesday when prices can be found for as low as $1,092. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Santiago on Saturday is $1,376.

What is the cheapest time of day to depart on your flight to Santiago?

In the afternoon is the cheapest time of day to fly from Seattle to Santiago when you can find flight prices for as low as $1,024. Flying to Santiago in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Santiago, so prices are often more expensive at around $1,324 per ticket.

How far in advance should I book a flight to Santiago?

You are more likely to see cheaper flights to Santiago from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around $1,198 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from Seattle for as low as $970 on momondo.

Can stopping save me money on Seattle to Santiago flights?

You could potentially save up to 30% on your flight if you consider stops on a Seattle to Santiago flight.

How have Seattle to Santiago flight prices changed over time?

As of November 2025, prices for Seattle to Santiago flights are approximately 91% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Santiago

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Santiago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Santiago (SEA to SCL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Santiago

Direct flights

None
There are no direct flights from Seattle to Santiago. There are no popular flight routes from Seattle to Santiago.
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  • How far is Seattle/Tacoma Intl to Santiago Arturo Merino Benitez by plane?

    Seattle/Tacoma Intl and Santiago Arturo Merino Benitez are 6445.1 mi apart from one another. In terms of flight time, this usually takes a little over 16h 29m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Santiago Arturo Merino Benitez Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Santiago Arturo Merino Benitez Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Santiago Arturo Merino Benitez Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Santiago Arturo Merino Benitez Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Santiago Arturo Merino Benitez Airport.

  • What documentation or ID do you need to fly to Santiago Arturo Merino Benitez Airport?

    The travel and health documents you'll need for your trip to Santiago Arturo Merino Benitez Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santiago Arturo Merino Benitez Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Santiago?

Best airlines flying from Seattle to Santiago

Compare and see reviews for airlines that fly from Seattle to Santiago with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $795Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $882Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $993Free CancellationRating
7.5
1,873 reviews
Search LATAM Airlines flights
DeltaPriceFrom $1,014Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $1,018Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Traveling to a place near Santiago?

Book flights to Santiago if you plan to visit one of these locations
Viña del Mar
Santa Cruz
Valparaíso
Valle Nevado
San Fernando
Pichilemu

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Santiago?

Finding the right flight to Santiago from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santiago quick and easy, saving you time and money.

Can I find flights from Seattle to Santiago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Santiago from Seattle with this policy.

How can momondo help me find flights from Seattle to Santiago?

Once you have performed a search for Seattle to Santiago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Santiago right now. Can momondo alert me if prices change?

Price alerts on flights to Santiago from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Santiago trip

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