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Cheap flights from Washington, D.C. Reagan-National Airport to Santiago from $218

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. Reagan-National Airport to Santiago departing on 3/11. 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. Reagan-National Airport to Santiago

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
11:00 am - 7:40 am
DCA
-
SCL
19h 40m2 stops
LATAM Airlines Logo
10:25 pm - 10:36 pm
SCL
-
DCA
25h 11m2 stops
$519LATAM Airlines
Mon, Mar 9 - Sat, Mar 14
Delta Logo
8:45 pm - 7:40 am
DCA
-
SCL
33h 55m1 stop
Delta Logo
10:30 pm - 5:00 pm
SCL
-
DCA
19h 30m1 stop
$521Delta
Fri, Mar 13 - Wed, Mar 25
Delta Logo
3:55 pm - 7:40 am
DCA
-
SCL
13h 45m1 stop
Delta Logo
10:35 am - 2:08 pm
SCL
-
DCA
28h 33m1 stop
$522Delta
Sat, Mar 7 - Sun, Mar 22
Delta Logo
8:45 pm - 7:40 am
DCA
-
SCL
33h 55m1 stop
Delta Logo
10:35 am - 2:08 pm
SCL
-
DCA
28h 33m1 stop
$529Delta
Fri, Mar 13 - Thu, Mar 26
LATAM Airlines Logo
10:15 am - 7:40 am
DCA
-
SCL
19h 25m1 stop
LATAM Airlines Logo
10:10 pm - 11:09 am
SCL
-
DCA
13h 59m1 stop
$534LATAM Airlines
Mon, Mar 2 - Mon, Mar 9
LATAM Airlines Logo
7:00 am - 7:40 am
DCA
-
SCL
22h 40m1 stop
LATAM Airlines Logo
11:10 pm - 6:29 pm
SCL
-
DCA
21h 19m1 stop
$536LATAM Airlines
Sun, Feb 1 - Sat, Feb 14
LATAM Airlines Logo
11:10 am - 6:55 am
DCA
-
SCL
17h 45m1 stop
LATAM Airlines Logo
9:30 pm - 9:10 am
SCL
-
DCA
13h 40m1 stop
$538LATAM Airlines
Mon, Jan 19 - Mon, Jan 26
LATAM Airlines Logo
6:59 am - 7:40 am
DCA
-
SCL
22h 41m1 stop
LATAM Airlines Logo
4:35 am - 10:36 pm
SCL
-
DCA
19h 01m2 stops
$539LATAM Airlines
Fri, Mar 6 - Tue, Mar 24
LATAM Airlines Logo
6:59 am - 7:40 am
DCA
-
SCL
22h 41m1 stop
LATAM Airlines Logo
7:15 am - 2:08 pm
SCL
-
DCA
31h 53m2 stops
$542LATAM Airlines
Tue, Mar 3 - Tue, Mar 17
Multiple Airlines Logo
7:15 am - 5:55 am
DCA
-
SCL
21h 40m2 stops
Multiple Airlines Logo
10:30 pm - 5:18 pm
SCL
-
DCA
19h 48m2 stops
$548Multiple Airlines
Wed, Mar 18 - Wed, Mar 25

Delta flights from Washington, D.C. Reagan-National Airport to Santiago

Our best Delta deals on Washington, D.C. Reagan-National Airport to Santiago flight tickets
Delta
Mar 13
DCA8:45 pmWashington, D.C. Reagan-National
33h 55m
1 stop
SCL7:40 amSantiago Arturo Merino Benitez
Mar 25
SCL10:30 pmSantiago Arturo Merino Benitez
19h 30m
1 stop
DCA5:00 pmWashington, D.C. Reagan-National
$521
Find similar
Delta
Mar 7
DCA8:00 amWashington, D.C. Reagan-National
21h 40m
1 stop
SCL7:40 amSantiago Arturo Merino Benitez
Mar 14
SCL10:35 amSantiago Arturo Merino Benitez
28h 33m
1 stop
DCA2:08 pmWashington, D.C. Reagan-National
$522
Find similar
Delta
Mar 13
DCA8:45 pmWashington, D.C. Reagan-National
33h 55m
1 stop
SCL7:40 amSantiago Arturo Merino Benitez
Mar 28
SCL10:35 amSantiago Arturo Merino Benitez
28h 33m
1 stop
DCA2:08 pmWashington, D.C. Reagan-National
$529
Find similar

United Airlines flights from Washington, D.C. Reagan-National Airport to Santiago

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Santiago flight tickets
United Airlines
Mar 8
DCA8:00 amWashington, D.C. Reagan-National
22h 50m
1 stop
SCL7:50 amSantiago Arturo Merino Benitez
Mar 17
SCL9:45 pmSantiago Arturo Merino Benitez
14h 51m
1 stop
DCA11:36 amWashington, D.C. Reagan-National
$564
Find similar
United Airlines
Mar 10
DCA7:59 pmWashington, D.C. Reagan-National
34h 51m
1 stop
SCL7:50 amSantiago Arturo Merino Benitez
Mar 17
SCL9:45 pmSantiago Arturo Merino Benitez
14h 51m
1 stop
DCA11:36 amWashington, D.C. Reagan-National
$572
Find similar
United Airlines
Mar 12
DCA8:00 amWashington, D.C. Reagan-National
22h 50m
1 stop
SCL7:50 amSantiago Arturo Merino Benitez
Mar 19
SCL9:45 pmSantiago Arturo Merino Benitez
24h 11m
1 stop
DCA8:56 pmWashington, D.C. Reagan-National
$625
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 December 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Santiago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Mon 3/9

11:00 am-7:40 am

2 stops19h 40m

Santiago Arturo Merino Benitez

Sat 3/14

10:25 pm-10:36 pm

2 stops25h 11m

$519

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Fri 3/13

8:45 pm-7:40 am

1 stop33h 55m

Santiago Arturo Merino Benitez

Wed 3/25

10:30 pm-5:00 pm

1 stop19h 30m

$521

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Sat 3/7

3:55 pm-7:40 am

1 stop13h 45m

Santiago Arturo Merino Benitez

Sun 3/22

10:35 am-2:08 pm

1 stop28h 33m

$522

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Fri 3/13

8:45 pm-7:40 am

1 stop33h 55m

Santiago Arturo Merino Benitez

Thu 3/26

10:35 am-2:08 pm

1 stop28h 33m

$529

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Mon 3/2

10:15 am-7:40 am

1 stop19h 25m

Santiago Arturo Merino Benitez

Mon 3/9

10:10 pm-11:09 am

1 stop13h 59m

$534

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Sun 2/1

7:00 am-7:40 am

1 stop22h 40m

Santiago Arturo Merino Benitez

Sat 2/14

11:10 pm-6:29 pm

1 stop21h 19m

$536

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Mon 1/19

11:10 am-6:55 am

1 stop17h 45m

Santiago Arturo Merino Benitez

Mon 1/26

9:30 pm-9:10 am

1 stop13h 40m

$538

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Fri 3/6

6:59 am-7:40 am

1 stop22h 41m

Santiago Arturo Merino Benitez

Tue 3/24

4:35 am-10:36 pm

2 stops19h 01m

$539

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Tue 3/3

6:59 am-7:40 am

1 stop22h 41m

Santiago Arturo Merino Benitez

Tue 3/17

7:15 am-2:08 pm

2 stops31h 53m

$542

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Wed 3/18

7:15 am-5:55 am

2 stops21h 40m

Santiago Arturo Merino Benitez

Wed 3/25

10:30 pm-5:18 pm

2 stops19h 48m

$548

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. Reagan-National Airport 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 cheapest month to fly to Santiago?

In general, March is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $664. If you don’t want to visit Santiago in March, then you should wait until February to fly from Washington, D.C. Reagan-National Airport, when ticket prices are also cheap, with an average price of $812.

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. Reagan-National Airport 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 have Washington, D.C. Reagan-National Airport to Santiago flight prices changed over time?

As of December 2025, prices for Washington, D.C. Reagan-National Airport to Santiago flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to Santiago

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Santiago (DCA to SCL) flight deals and tips

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

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Santiago takes 12h 30m
There are no direct flights from Washington, D.C. Reagan-National Airport to Santiago. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Santiago.
Search flight deals

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

    Washington, D.C. Reagan-National and Santiago Arturo Merino Benitez are 5008.7 mi apart from one another. Flights usually cover this in 12h 30m, depending on flying conditions and air traffic around both airports.

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

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

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

  • How old do you have to be to fly from Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National 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 required for your trip to Santiago Arturo Merino Benitez Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santiago Arturo Merino Benitez Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Washington, D.C. Reagan-National Airport to Santiago

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Santiago with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $524Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $524Free CancellationRating
7.5
1,889 reviews
Search LATAM Airlines flights
DeltaPriceFrom $573Free CancellationRating
7.9
8,009 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.2
11,048 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?

It is quick and easy to find Washington, D.C. to Santiago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santiago that suits you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Santiago flights to just show those with flexible booking policies.

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?

Price alerts on flights to Santiago from Washington, D.C. 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.

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