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Cheap flights from Washington, D.C. to Santiago from $224

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Santiago departing on 10/15. 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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Find the cheapest flights from Washington, D.C. to Santiago

Cheap round-trip flights

Logo
4:51 pm - 3:35 amBWI-SCL
33h 44m2 stops
Logo
11:00 am - 11:37 pmSCL-BWI
13h 37m1 stop
$556
Find Deal
Mon, Sep 8 - Fri, Sep 19
Logo
4:51 pm - 3:35 amBWI-SCL
33h 44m2 stops
Logo
11:00 am - 11:37 pmSCL-BWI
13h 37m1 stop
$565
Find Deal
Mon, Sep 8 - Mon, Sep 15
Logo
12:00 pm - 3:35 amBWI-SCL
38h 35m2 stops
Logo
8:50 am - 6:50 pmSCL-BWI
35h 00m2 stops
$586
Find Deal
Mon, Sep 15 - Fri, Sep 19
LATAM Airlines Logo
10:07 am - 6:25 amIAD-SCL
19h 18m2 stops
LATAM Airlines Logo
1:10 pm - 9:09 amSCL-IAD
20h 59m2 stops
$639LATAM Airlines
Find Deal
Thu, Sep 11 - Tue, Sep 16
LATAM Airlines Logo
2:55 pm - 6:50 amDCA-SCL
14h 55m1 stop
LATAM Airlines Logo
1:10 pm - 9:09 amSCL-DCA
20h 59m2 stops
$639LATAM Airlines
Find Deal
Thu, Sep 11 - Tue, Sep 16
Avianca Logo
3:20 pm - 2:25 pmIAD-SCL
22h 05m1 stop
Avianca Logo
1:35 am - 1:15 pmSCL-IAD
13h 40m1 stop
$640Avianca
Find Deal
Tue, Oct 21 - Tue, Nov 4
Avianca Logo
5:45 am - 11:30 pmIAD-SCL
16h 45m2 stops
Avianca Logo
1:35 am - 2:15 pmSCL-IAD
13h 40m1 stop
$641Avianca
Find Deal
Tue, Oct 21 - Sun, Oct 26
Copa Airlines Logo
2:25 am - 12:04 amIAD-SCL
20h 39m1 stop
Copa Airlines Logo
3:23 am - 11:33 pmSCL-IAD
22h 10m1 stop
$676Copa Airlines
Find Deal
Mon, Oct 20 - Tue, Nov 4
Delta Logo
12:31 pm - 6:45 amDCA-SCL
17h 14m2 stops
Delta Logo
8:20 am - 11:41 pmSCL-DCA
17h 21m2 stops
$734Delta
Find Deal
Tue, Oct 21 - Wed, Nov 5
Delta Logo
8:40 pm - 7:40 amDCA-SCL
33h 00m1 stop
Delta Logo
11:10 pm - 11:31 amSCL-DCA
14h 21m1 stop
$741Delta
Find Deal
Sun, Nov 2 - Thu, Nov 6

Avianca flights from Washington, D.C. to Santiago

Our best Avianca deals on Washington, D.C. to Santiago flight tickets
Avianca
Oct 21
IAD3:20 pmWashington, D.C. Dulles Intl
22h 05m
1 stop
SCL2:25 pmSantiago Arturo Merino Benitez
Nov 4
SCL1:35 amSantiago Arturo Merino Benitez
13h 40m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$640
Find similar
Avianca
Sep 4
IAD3:20 pmWashington, D.C. Dulles Intl
12h 55m
1 stop
SCL4:15 amSantiago Arturo Merino Benitez
Sep 9
SCL7:10 amSantiago Arturo Merino Benitez
22h 10m
2 stops
IAD4:20 amWashington, D.C. Dulles Intl
$641
Find similar
Avianca
Nov 3
IAD4:30 amWashington, D.C. Dulles Intl
23h 05m
2 stops
SCL5:35 amSantiago Arturo Merino Benitez
Nov 12
SCL1:35 amSantiago Arturo Merino Benitez
13h 40m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$642
Find similar

Copa Airlines flights from Washington, D.C. to Santiago

Our best Copa Airlines deals on Washington, D.C. to Santiago flight tickets
Copa Airlines
Oct 20
IAD2:25 amWashington, D.C. Dulles Intl
20h 39m
1 stop
SCL12:04 amSantiago Arturo Merino Benitez
Nov 4
SCL3:23 amSantiago Arturo Merino Benitez
22h 10m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
$676
Find similar
Copa Airlines
Aug 31
IAD2:25 amWashington, D.C. Dulles Intl
24h 17m
1 stop
SCL2:42 amSantiago Arturo Merino Benitez
Sep 15
SCL3:26 amSantiago Arturo Merino Benitez
12h 39m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
$771
Find similar
Copa Airlines
Aug 31
IAD2:25 amWashington, D.C. Dulles Intl
24h 17m
1 stop
SCL2:42 amSantiago Arturo Merino Benitez
Sep 16
SCL5:22 amSantiago Arturo Merino Benitez
20h 08m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
$788
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 August 24, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Santiago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSantiago

BWI - SCL

BWISCL

Baltimore/Washington

Mon 9/8

4:51 pm-3:35 am

2 stops33h 44m

Santiago Arturo Merino Benitez

Fri 9/19

11:00 am-11:37 pm

1 stop13h 37m

$556

BaltimoreSantiago

BWI - SCL

BWISCL

Baltimore/Washington

Mon 9/8

4:51 pm-3:35 am

2 stops33h 44m

Santiago Arturo Merino Benitez

Mon 9/15

11:00 am-11:37 pm

1 stop13h 37m

$565

BaltimoreSantiago

BWI - SCL

BWISCL

Baltimore/Washington

Mon 9/15

12:00 pm-3:35 am

2 stops38h 35m

Santiago Arturo Merino Benitez

Fri 9/19

8:50 am-6:50 pm

2 stops35h 00m

$586

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Thu 9/11

10:07 am-6:25 am

2 stops19h 18m

Santiago Arturo Merino Benitez

Tue 9/16

1:10 pm-9:09 am

2 stops20h 59m

$639

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Thu 9/11

2:55 pm-6:50 am

1 stop14h 55m

Santiago Arturo Merino Benitez

Tue 9/16

1:10 pm-9:09 am

2 stops20h 59m

$639

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Tue 10/21

3:20 pm-2:25 pm

1 stop22h 05m

Santiago Arturo Merino Benitez

Tue 11/4

1:35 am-1:15 pm

1 stop13h 40m

$640

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Tue 10/21

5:45 am-11:30 pm

2 stops16h 45m

Santiago Arturo Merino Benitez

Sun 10/26

1:35 am-2:15 pm

1 stop13h 40m

$641

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Mon 10/20

2:25 am-12:04 am

1 stop20h 39m

Santiago Arturo Merino Benitez

Tue 11/4

3:23 am-11:33 pm

1 stop22h 10m

$676

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Tue 10/21

12:31 pm-6:45 am

2 stops17h 14m

Santiago Arturo Merino Benitez

Wed 11/5

8:20 am-11:41 pm

2 stops17h 21m

$734

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Sun 11/2

8:40 pm-7:40 am

1 stop33h 00m

Santiago Arturo Merino Benitez

Thu 11/6

11:10 pm-11:31 am

1 stop14h 21m

$741

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Santiago from

How to get the cheapest flight ticket from Washington, D.C. 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 Washington, D.C. and Santiago?

What is the cheapest month to fly to Santiago?

In general, April is the cheapest month to fly from Washington, D.C. to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $591. If you don’t want to visit Santiago in April, then you should wait until June to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $623.

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 Monday when prices can be found for as low as $732. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to Santiago on Sunday is $836.

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

In the morning is the cheapest time of day to fly from Washington, D.C. to Santiago when you can find flight prices for as low as $678. Flying to Santiago in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Santiago, so prices are often more expensive at around $862 per ticket.

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

You are more likely to see cheaper flights to Santiago from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around $777 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from Washington, D.C. for as low as $575 on momondo.

Can stopping save me money on Washington, D.C. to Santiago flights?

You could potentially save up to 21% on your flight if you consider stops on a Washington, D.C. to Santiago flight.

How have Washington, D.C. to Santiago flight prices changed over time?

As of August 2025, prices for Washington, D.C. to Santiago flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Santiago

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

Cheap Washington, D.C. to Santiago (WAS to SCL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Santiago

Direct flights

None
There are no direct flights from Washington, D.C. to Santiago. There are no popular flight routes from Washington, D.C. to Santiago.
Search flight deals

  • How far is Washington, D.C. to Santiago Arturo Merino Benitez by plane?

    A flight from Washington, D.C. to Santiago Arturo Merino Benitez will travel around 5012.3 mi. Typically, this will take 12h 41m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Santiago Arturo Merino Benitez Airport?

    Prices for flights from Washington, D.C. to Santiago Arturo Merino Benitez Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Santiago Arturo Merino Benitez Airport?

  • How old do you have to be to fly from Washington, D.C. to Santiago Arturo Merino Benitez Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Santiago Arturo Merino Benitez Airport.

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

    The necessary travel and health documents for your Santiago Arturo Merino Benitez Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Santiago?

Best airlines flying from Washington, D.C. to Santiago

Compare and see reviews for airlines that fly from Washington, D.C. to Santiago with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $385Free CancellationRating
7.9
7,980 reviews
Search Delta flights
LATAM AirlinesPriceFrom $422Free CancellationRating
7.5
1,844 reviews
Search LATAM Airlines flights
AviancaPriceFrom $431Free CancellationRating
6.7
2,417 reviews
Search Avianca flights
Copa AirlinesPriceFrom $497Free CancellationRating
7.5
1,512 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $598Free CancellationRating
7.2
10,000 reviews
Search American 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 Washington, D.C. to Santiago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Santiago. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Santiago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Santiago from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Santiago?

momondo provides multiple filters to help you find the best flight to Santiago from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Washington, D.C. to Santiago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santiago and let you know when they change.

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