Which layover airport has the shortest travel time from Seattle to Santiago?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 14h 58m.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez?

LATAM Airlines, United Airlines, and Copa Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Santiago Arturo Merino Benitez

Which airport is the most popular layover for flights between Seattle and Santiago?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Santiago?

Flights via Toronto (YYZ) offer the lowest average round-trip price of $982.

What airlines fly to Santiago?

LATAM Airlines, American Airlines and Delta are the top three most popular airlines that fly to Santiago from Seattle according to our data. LATAM Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Santiago. Keep in mind that there are 4 different airlines that fly to Santiago on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Seattle to Santiago?

Dallas (DFW) has the shortest average layover time for this route: 1h 44m.

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?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Santiago Arturo Merino Benitez Airport is 4 as of June 2026.

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.

$348 Cheap Flights from Seattle to Santiago in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Santiago

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:15 pm - 5:35 am

SEA

SCL

35h 20m

1 stop

4:20 pm - 9:37 am

SCL

SEA

21h 17m

2 stops

$913Multiple Airlines

Sat, Sep 12 - Wed, Sep 16

2:15 pm - 5:35 am

SEA

SCL

35h 20m

1 stop

4:20 pm - 9:37 am

SCL

SEA

21h 17m

2 stops

$993Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

6:49 am - 5:35 am

SEA

SCL

18h 46m

1 stop

1:30 am - 8:44 pm

SCL

SEA

23h 14m

2 stops

$1,000Multiple Airlines

Sun, Sep 13 - Tue, Sep 15

6:49 am - 5:35 am

SEA

SCL

18h 46m

1 stop

4:20 pm - 8:44 pm

SCL

SEA

32h 24m

2 stops

$1,009Multiple Airlines

Sat, Sep 12 - Thu, Sep 17

11:59 pm - 7:36 pm

SEA

SCL

40h 37m

3 stops

8:30 am - 2:22 pm

SCL

SEA

32h 52m

3 stops

$1,017Multiple Airlines

Thu, Aug 13 - Wed, Aug 26

8:00 am - 1:25 pm

SEA

SCL

25h 25m

2 stops

10:55 pm - 7:23 pm

SCL

SEA

24h 28m

1 stop

$1,018LATAM Airlines

Tue, Sep 22 - Tue, Oct 6

6:49 am - 5:35 am

SEA

SCL

18h 46m

1 stop

1:30 am - 8:44 pm

SCL

SEA

23h 14m

2 stops

$1,022Multiple Airlines

Sun, Sep 13 - Wed, Sep 16

3:58 pm - 4:35 am

SEA

SCL

33h 37m

1 stop

4:20 pm - 9:37 am

SCL

SEA

21h 17m

2 stops

$1,023Multiple Airlines

Sat, Sep 5 - Sun, Sep 13

8:00 am - 6:55 am

SEA

SCL

18h 55m

1 stop

4:20 pm - 9:37 am

SCL

SEA

21h 17m

2 stops

$1,040Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

8:00 am - 6:55 am

SEA

SCL

18h 55m

1 stop

4:20 pm - 9:37 am

SCL

SEA

21h 17m

2 stops

$1,042Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

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LATAM Airlines flights from Seattle to Santiago

Our best LATAM Airlines deals on Seattle to Santiago flight tickets

LATAM Airlines

Sep 22

SEA8:00 amSeattle/Tacoma Intl

25h 25m

2 stops

SCL1:25 pmSantiago Arturo Merino Benitez

Oct 6

SCL10:55 pmSantiago Arturo Merino Benitez

24h 28m

1 stop

SEA7:23 pmSeattle/Tacoma Intl

$1,018

LATAM Airlines

Sep 23

SEA6:00 amSeattle/Tacoma Intl

22h 15m

1 stop

SCL8:15 amSantiago Arturo Merino Benitez

Oct 26

SCL11:10 pmSantiago Arturo Merino Benitez

19h 40m

1 stop

SEA2:50 pmSeattle/Tacoma Intl

$1,114

LATAM Airlines

Sep 23

SEA6:00 amSeattle/Tacoma Intl

22h 15m

1 stop

SCL8:15 amSantiago Arturo Merino Benitez

Oct 26

SCL12:25 amSantiago Arturo Merino Benitez

18h 22m

1 stop

SEA2:47 pmSeattle/Tacoma Intl

$1,136

United Airlines flights from Seattle to Santiago

Our best United Airlines deals on Seattle to Santiago flight tickets

United Airlines

Jul 10

SEA8:56 amSeattle/Tacoma Intl

31h 40m

3 stops

SCL7:36 pmSantiago Arturo Merino Benitez

Jul 12

SCL12:43 amSantiago Arturo Merino Benitez

23h 35m

2 stops

SEA9:18 pmSeattle/Tacoma Intl

$1,748

United Airlines

Jul 7

SEA8:56 amSeattle/Tacoma Intl

31h 40m

3 stops

SCL7:36 pmSantiago Arturo Merino Benitez

Jul 13

SCL11:22 amSantiago Arturo Merino Benitez

35h 14m

2 stops

SEA7:36 pmSeattle/Tacoma Intl

$1,893

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 9/12

2:15 pm-5:35 am

1 stop35h 20m

Santiago Arturo Merino Benitez

Wed 9/16

4:20 pm-9:37 am

2 stops21h 17m

$913

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 9/16

2:15 pm-5:35 am

1 stop35h 20m

Santiago Arturo Merino Benitez

Wed 9/23

4:20 pm-9:37 am

2 stops21h 17m

$993

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 9/13

6:49 am-5:35 am

1 stop18h 46m

Santiago Arturo Merino Benitez

Tue 9/15

1:30 am-8:44 pm

2 stops23h 14m

$1,000

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 9/12

6:49 am-5:35 am

1 stop18h 46m

Santiago Arturo Merino Benitez

Thu 9/17

4:20 pm-8:44 pm

2 stops32h 24m

$1,009

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Thu 8/13

11:59 pm-7:36 pm

3 stops40h 37m

Santiago Arturo Merino Benitez

Wed 8/26

8:30 am-2:22 pm

3 stops32h 52m

$1,017

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 9/22

8:00 am-1:25 pm

2 stops25h 25m

Santiago Arturo Merino Benitez

Tue 10/6

10:55 pm-7:23 pm

1 stop24h 28m

$1,018

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sun 9/13

6:49 am-5:35 am

1 stop18h 46m

Santiago Arturo Merino Benitez

Wed 9/16

1:30 am-8:44 pm

2 stops23h 14m

$1,022

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Sat 9/5

3:58 pm-4:35 am

1 stop33h 37m

Santiago Arturo Merino Benitez

Sun 9/13

4:20 pm-9:37 am

2 stops21h 17m

$1,023

Quickest round-trip

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Wed 9/9

8:00 am-6:55 am

1 stop18h 55m

Santiago Arturo Merino Benitez

Wed 9/16

4:20 pm-9:37 am

2 stops21h 17m

$1,040

SeattleSantiago

SEA - SCL

SEASCL

Seattle/Tacoma Intl

Tue 9/15

8:00 am-6:55 am

1 stop18h 55m

Santiago Arturo Merino Benitez

Tue 9/22

4:20 pm-9:37 am

2 stops21h 17m

$1,042

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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, January 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 $1,044. If you don’t want to visit Santiago in January, then you should wait until March to fly from Seattle, when ticket prices are also cheap, with an average price of $1,073.

How far in advance should I book a flight from Seattle 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 $1,185 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 $1,013 on momondo.

Can stopping save me money on Seattle to Santiago flights?

You could potentially save up to 32% 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 June 2026, prices for Seattle to Santiago flights are approximately 13% 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

Fastest flight time	17h 50m
Direct flights	None

The fastest flight from Seattle to Santiago takes 17h 50m

There are no direct flights from Seattle to Santiago. There are no popular flight routes from Seattle to Santiago.

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Frequently asked questions about flying from Seattle to Santiago

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 17h 50m.
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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Santiago Arturo Merino Benitez Airport is 4 as of June 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Seattle to Santiago is LATAM Airlines, representing 46% of all bookings. The subsequent popular airlines are American Airlines at 23%, Delta at 22%, and United Airlines at 9%.

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
LATAM Airlines	PriceFrom $888	Free Cancellation	Rating 7.4 1,941 reviews	Search LATAM Airlines flights
Delta	PriceFrom $895	Free Cancellation	Rating 7.8 8,455 reviews	Search Delta flights
American Airlines	PriceFrom $918	Free Cancellation	Rating 7.1 11,774 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,018	Free Cancellation	Rating 7.4 9,899 reviews	Search United Airlines flights

Viña del Mar

Valparaíso

Santa Cruz

Valle Nevado

San Fernando

Pichilemu

Zapallar

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.