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$337+ Cheap flights from Dulles Intl (IAD) 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SCL
May 11 — May 181
Mon 5/11
Mon 5/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Santiago

Cheapest flights from Dulles Intl to Santiago
Explore the most affordable flight options available from Dulles Intl to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:07 pm
IAD
-
SCL
2 stops21h 08m
Multiple Airlines
Wed 5/133:20 pm
SCL
-
IAD
1 stop14h 00m
Multiple Airlines
Deal found 4/6$634
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:27 pm
IAD
-
SCL
2 stops33h 18m
Multiple Airlines
Sat 5/2311:17 am
SCL
-
IAD
1 stop13h 16m
Multiple Airlines
Deal found 4/6$642
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:17 am
IAD
-
SCL
2 stops17h 28m
Multiple Airlines
Sat 5/23:20 pm
SCL
-
IAD
1 stop14h 00m
Multiple Airlines
Deal found 4/6$646
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:17 am
IAD
-
SCL
2 stops17h 28m
Multiple Airlines
Thu 4/3011:25 am
SCL
-
IAD
1 stop13h 09m
Multiple Airlines
Deal found 4/6$654
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:50 am
IAD
-
SCL
2 stops35h 06m
Multiple Airlines
Tue 5/53:20 pm
SCL
-
IAD
1 stop14h 00m
Multiple Airlines
Deal found 4/6$662
This FlightHub deal was found by Cheapflights users on 4/6. 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.
Sat 5/26:50 am
IAD
-
SCL
1 stop16h 30m
Avianca
Sat 5/163:20 pm
SCL
-
IAD
1 stop14h 00m
Avianca
Deal found 4/6$667
This FlightHub deal was found by Cheapflights users on 4/6. 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.
Sun 4/266:50 am
IAD
-
SCL
1 stop16h 30m
Avianca
Sun 5/33:20 pm
SCL
-
IAD
1 stop14h 00m
Avianca
Deal found 4/6$668
This FlightHub deal was found by Cheapflights users on 4/5. 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.
Thu 5/76:50 am
IAD
-
SCL
1 stop21h 55m
Avianca
Sun 5/103:20 pm
SCL
-
IAD
1 stop14h 00m
Avianca
Deal found 4/5$669
This Justfly.com deal was found by Cheapflights users on 4/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:50 am
IAD
-
SCL
1 stop21h 55m
Avianca
Tue 5/53:20 pm
SCL
-
IAD
1 stop14h 00m
Avianca
Deal found 4/8$670
This FlightHub deal was found by Cheapflights users on 4/8. 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.
Sun 4/266:50 am
IAD
-
SCL
1 stop16h 30m
Avianca
Sat 5/23:20 pm
SCL
-
IAD
1 stop14h 00m
Avianca
Deal found 4/8$672
This FlightHub deal was found by Cheapflights users on 4/6. 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.
Wed 4/293:35 pm
IAD
-
SCL
1 stop13h 10m
Avianca
Wed 5/63:20 pm
SCL
-
IAD
1 stop14h 00m
Avianca
Deal found 4/6$673
This FlightHub deal was found by Cheapflights users on 4/7. 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.
Tue 8/186:50 am
IAD
-
SCL
1 stop21h 55m
Avianca
Sun 8/3012:30 am
SCL
-
IAD
1 stop13h 45m
Avianca
Deal found 4/7$675

Find flight deals from Dulles Intl to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 April 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$633
(Kiwi.com)

One-way from

$337
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$641
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Santiago Arturo Merino Benitez flights.
Search Deals
From Washington, D.C. Dulles Intl to Santiago Arturo Merino Benitez
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Santiago Arturo Merino Benitez
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 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 April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 April 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Santiago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Thu 5/7

6:50 am-4:11 am

2 stops21h 21m

Santiago Arturo Merino Benitez

Sun 5/10

3:20 pm-5:20 am

1 stop14h 00m

$717

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sat 5/2

6:50 am-2:15 pm

1 stop31h 25m

Santiago Arturo Merino Benitez

Sat 5/16

3:20 pm-2:45 am

2 stops35h 25m

$731

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sat 9/12

6:50 am-12:20 am

1 stop16h 30m

Santiago Arturo Merino Benitez

Mon 9/21

7:40 am-5:20 am

1 stop22h 40m

$769

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Thu 9/17

4:10 am-5:11 am

3 stops24h 01m

Santiago Arturo Merino Benitez

Sun 9/20

7:40 am-5:20 am

1 stop22h 40m

$780
Quickest round-trip

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Thu 7/30

6:25 am-10:43 pm

1 stop16h 18m

Santiago Arturo Merino Benitez

Thu 8/6

2:27 am-3:05 pm

1 stop12h 38m

$796

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Mon 7/13

6:25 am-3:00 am

1 stop20h 35m

Santiago Arturo Merino Benitez

Sun 7/19

2:27 am-12:33 am

1 stop22h 06m

$796

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 5/24

2:21 am-11:26 pm

1 stop21h 05m

Santiago Arturo Merino Benitez

Tue 8/25

11:22 am-4:21 am

1 stop16h 59m

$796

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 5/3

6:50 am-4:45 am

1 stop21h 55m

Santiago Arturo Merino Benitez

Thu 5/7

3:20 pm-2:15 pm

1 stop22h 55m

$819

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 6/28

5:45 am-2:15 pm

2 stops32h 30m

Santiago Arturo Merino Benitez

Fri 7/3

6:40 am-3:55 pm

2 stops33h 15m

$829
Cheapest one-way

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Fri 5/8

7:27 pm-3:55 am

3 stops56h 28m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl 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 Dulles Intl to Santiago in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars

*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. Dulles Intl 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. Dulles Intl Airport-Santiago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Santiago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Santiago flights, Cheapflights users trust FlightHub the most. FlightHub 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. Dulles Intl 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 Dulles Intl to Santiago

Have a flexible travel schedule? Discover the best time to fly to Santiago from Dulles Intl 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. Dulles Intl Airport to Santiago

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Santiago?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Santiago. Price data was last updated on April 10, 2026.

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Santiago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Santiago?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santiago (average of $258). Flying from Washington, D.C. Dulles Intl Airport to Santiago in May is currently the most expensive (average of $647). 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.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Santiago?

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 April 11, 2026.
Read reviews from past customers who have flown Delta,Copa Airlines, andLATAM Airlines from Washington, D.C. Dulles Intl Airport to Santiago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,404 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
8,404 reviews
Delta
7.9
Good
8,404 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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.
Copa Airlines
7.5
Good
1,575 reviews
Delta
7.9
Good
8,404 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
7.4
Good
1,910 reviews
Delta
7.9
Good
8,404 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
9,567 reviews
Delta
7.9
Good
8,404 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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.
Avianca
6.5
Okay
2,503 reviews
Delta
7.9
Good
8,404 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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 Dulles Intl 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. Dulles Intl?

    If you book a flight to Santiago from Washington, D.C. Dulles Intl, you will be flying to Arturo Merino Benitez, which is the city’s only airport. Santiago Arturo Merino Benitez (SCL) is located 8.4 mi from the center of Santiago. There are 0 flights from Washington, D.C. Dulles Intl to Arturo Merino Benitez per day from 5 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Santiago?

    For as low as $731, Avianca can have you in Santiago from Washington, D.C. Dulles Intl Airport in 31h 25m. Washington, D.C. Dulles Intl Airport and Santiago are separated by a distance of 5013 mi.

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

    Currently priced at $258, Delta will fly you from Washington, D.C. Dulles Intl Airport to Santiago and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Copa Airlines and LATAM Airlines - these airlines can fly you to your destination from $262 and $262, respectively. Delta is 65% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Santiago one-way?

    One-way options have recently been found by users for as low as $230 on Avianca. Other airlines that offer cheap prices include Copa Airlines from $242 and LATAM Airlines from $262 one-way.

  • Can I find deals for flights from Dulles Intl to Santiago that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Santiago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Santiago?

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

  • Can I find deals for business class flights from Dulles Intl to Santiago?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Santiago?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santiago (average of $258). Flying from Washington, D.C. Dulles Intl Airport to Santiago in May is currently the most expensive (average of $647). 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

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Complete your trip

Complete your trip to Santiago by adding a car rental and/or hotel reservation to your travel itinerary.
Santiago car rentals
Santiago Arturo Merino Benitez Airport car rentals
Lastarria car rentals

Top 5 airlines flying from Dulles Intl to Santiago

Discover the top 5 airlines that operate flights from Dulles Intl 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 April 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$892FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$262Average$729FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$262Average$884FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$328Average$990FlexibilityNo cancel feeOn-time69%
AviancaCheapest$382Average$706FlexibilityNo cancel feeOn-time71%

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