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$218+ Cheap flights from Reagan-National (DCA) 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SCL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Reagan-National to Santiago

Cheapest flights from Reagan-National to Santiago
Explore the most affordable flight options available from Reagan-National to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:37 pmDCA - SCL
1 stop17h 03mLATAM Airlines
Sat 1/39:30 pmSCL - DCA
1 stop16h 07mLATAM Airlines
Deal found 12/11$614
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amDCA - SCL
1 stop24h 50mUnited Airlines
Tue 12/1610:45 pmSCL - DCA
1 stop19h 13mUnited Airlines
Deal found 12/10$639
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:59 pmDCA - SCL
1 stop34h 51mUnited Airlines
Thu 1/2210:45 pmSCL - DCA
1 stop19h 12mUnited Airlines
Deal found 12/11$667
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:59 pmDCA - SCL
1 stop34h 51mUnited Airlines
Tue 12/2310:45 pmSCL - DCA
1 stop24h 01mUnited Airlines
Deal found 12/10$670
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Mon 12/156:00 amDCA - SCL
1 stop22h 10mLATAM Airlines
Tue 3/311:30 pmSCL - DCA
1 stop18h 57mLATAM Airlines
Deal found 12/11$683
This Ovago deal was found by Cheapflights users on 12/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:55 amDCA - SCL
2 stops18h 40mLATAM Airlines
Fri 1/27:15 amSCL - DCA
2 stops17h 44mLATAM Airlines
Deal found 12/11$706
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:00 amDCA - SCL
1 stop19h 50mUnited Airlines
Tue 3/310:45 pmSCL - DCA
1 stop21h 59mUnited Airlines
Deal found 12/10$723
This Delta deal was found by Cheapflights users on 12/10. 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.
Mon 12/1510:20 amDCA - SCL
1 stop19h 20mDelta
Tue 3/36:30 pmSCL - DCA
2 stops18h 44mDelta
Deal found 12/10$739
This Faresmojo deal was found by Cheapflights users on 12/11. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:20 amDCA - SCL
2 stops17h 35mMultiple Airlines
Mon 1/1211:30 pmSCL - DCA
2 stops16h 59mMultiple Airlines
Deal found 12/11$747
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:58 pmDCA - SCL
1 stop12h 12mAmerican Airlines
Mon 12/2911:55 pmSCL - DCA
1 stop20h 18mAmerican Airlines
Deal found 12/11$794
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:20 amDCA - SCL
1 stop19h 20mLATAM Airlines
Wed 12/249:30 pmSCL - DCA
1 stop25h 02mLATAM Airlines
Deal found 12/10$804

Find flight deals from Reagan-National to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$514
(American Airlines)

One-way from

$218
(LATAM Airlines)

Popular in

December

Cheapest in

March

Average price

$1,100
Provider with most accurate pricing for Washington, D.C. Reagan-National-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Santiago Arturo Merino Benitez flights.
Search Deals
From Washington, D.C. Reagan-National to Santiago Arturo Merino Benitez
Search Deals
One-way flight from Washington, D.C. Reagan-National to Santiago Arturo Merino Benitez
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 December 12, 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

Reagan-National

Fly to

Santiago

Route

Depart

Return

Price

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Mon 3/9

1:40 pm-7:40 am

1 stop17h 00m

Santiago Arturo Merino Benitez

Mon 3/16

10:10 pm-12:40 pm

1 stop15h 30m

$514

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Fri 3/6

7:59 am-7:40 am

1 stop21h 41m

Santiago Arturo Merino Benitez

Fri 3/13

10:35 am-8:45 am

2 stops23h 10m

$519

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Fri 3/6

7:59 am-7:40 am

1 stop21h 41m

Santiago Arturo Merino Benitez

Sat 3/14

10:35 am-2:08 pm

1 stop28h 33m

$522

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Fri 3/6

7:59 am-7:40 am

1 stop21h 41m

Santiago Arturo Merino Benitez

Thu 3/19

10:35 am-2:08 pm

1 stop28h 33m

$522

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Tue 3/10

6:00 pm-7:40 am

1 stop12h 40m

Santiago Arturo Merino Benitez

Sat 3/28

10:35 am-2:08 pm

1 stop28h 33m

$522

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

Wed 3/11

10:10 am-7:40 am

1 stop20h 30m

Santiago Arturo Merino Benitez

Sat 3/14

10:35 am-2:08 pm

1 stop28h 33m

$522

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Sat 2/21

6:00 pm-7:40 am

1 stop35h 40m

Santiago Arturo Merino Benitez

Sun 3/1

6:30 pm-11:32 pm

2 stops31h 02m

$593

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Sun 12/14

6:00 am-8:50 am

1 stop24h 50m

Santiago Arturo Merino Benitez

Tue 12/16

10:45 pm-3:58 pm

1 stop19h 13m

$639

Washington, D.C.Santiago

DCA - SCL

DCASCL

Washington, D.C. Reagan-National

Wed 3/11

8:00 am-7:50 am

1 stop22h 50m

Santiago Arturo Merino Benitez

Thu 3/26

9:45 pm-8:56 pm

1 stop24h 11m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 results
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Compare providers for flights from Reagan-National 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 Reagan-National to Santiago in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Santiago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Santiago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Santiago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Santiago flights, Cheapflights users trust Expedia the most. Expedia 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 Washington, D.C. Reagan-National Airport-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 Reagan-National to Santiago

Have a flexible travel schedule? Discover the best time to fly to Santiago from Reagan-National with our price prediction graph.
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 Washington, D.C. Reagan-National Airport to Santiago

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Santiago?

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Santiago (average of $331). Flying from Washington, D.C. Reagan-National Airport to Santiago in May is currently the most expensive (average of $883). 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.

What is the cheapest time of day to fly from DCA to SCL?

Find hourly flight availability from Reagan-National to Santiago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from Washington, D.C. Reagan-National Airport to Santiago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 24% versus a flight at noon.

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 December 12, 2025.
See what other customers who have flown with Delta, LATAM Airlines, and United Airlines from Washington, D.C. Reagan-National Airport 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.
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,889 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Santiago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santiago from Washington, D.C. Reagan-National?

    For a flight from Washington, D.C. Reagan-National to Santiago, you will be flying into Arturo Merino Benitez. Santiago Arturo Merino Benitez (SCL) is just 8.4 mi from the center of the city. Arturo Merino Benitez is the only Santiago airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 4 airlines have flights to Santiago Arturo Merino Benitez from Washington, D.C. Reagan-National on a regular basis.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Santiago?

    Airlines like LATAM Airlines and Delta fly from Washington, D.C. Reagan-National Airport to Santiago in about 17h. The time it takes to get you to your destination can typically vary by up to 4h 41m. Washington, D.C. Reagan-National Airport and Santiago are separated by a distance of 5004 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Santiago round-trip?

    LATAM Airlines, at $426, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Santiago.Alternate airlines to your destination round-trip include United Airlines and Delta. LATAM Airlines is currently priced 51% below the average price you’ll pay for this route.

  • Can I find deals for flights from Reagan-National to Santiago that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Santiago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Santiago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Santiago.

  • Can I find deals for business class flights from Reagan-National to Santiago?

    Yes. Cheapflights offers flight deals from Reagan-National to Santiago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Santiago?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Santiago (average of $331). Flying from Washington, D.C. Reagan-National Airport to Santiago in May is currently the most expensive (average of $883). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Reagan-National to Santiago

Discover the top 4 airlines that operate flights from Reagan-National 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$524Average$883FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$524Average$872FlexibilityNo cancel feeOn-time81%
DeltaCheapest$573Average$862FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$634Average$884FlexibilityNo cancel feeOn-time71%

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