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$249+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SCL
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Santiago Arturo Merino Benitez are usually found in April or October, booked 23 days in advance, depart on a Monday or Sunday and return on a Sunday

Cheap 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 September 19, 2025.

Round-trip from

$625
(Priceline)

One-way from

$249
(Mytrip)

Popular in

December

Cheapest in

April

Average price

$748
From Washington, D.C. Dulles Intl to Santiago Arturo Merino Benitez
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One-way flight from Washington, D.C. Dulles Intl to Santiago Arturo Merino Benitez
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Highest demand for flights based on searches. 14% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 19, 2025.

This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:05 amIAD - SCL
3 stops23h 56mMultiple Airlines
Sun 9/213:30 pmSCL - IAD
2 stops36h 15mMultiple Airlines
Deal found 9/17$623
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:20 pmIAD - SCL
1 stop22h 05mAvianca
Sat 10/113:30 pmSCL - IAD
1 stop15h 05mAvianca
Deal found 9/18$625
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:45 amIAD - SCL
2 stops16h 45mAvianca
Mon 10/203:30 pmSCL - IAD
1 stop23h 30mAvianca
Deal found 9/18$626
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:45 amIAD - SCL
3 stops22h 16mMultiple Airlines
Sat 10/117:10 amSCL - IAD
1 stop23h 25mMultiple Airlines
Deal found 9/16$628
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:05 amIAD - SCL
3 stops24h 55mMultiple Airlines
Sun 10/127:10 amSCL - IAD
1 stop23h 25mMultiple Airlines
Deal found 9/17$632
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:20 pmIAD - SCL
1 stop12h 55mAvianca
Sun 10/261:35 amSCL - IAD
1 stop13h 40mAvianca
Deal found 9/17$634
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:45 amIAD - SCL
2 stops16h 45mAvianca
Wed 10/1512:55 amSCL - IAD
1 stop14h 05mAvianca
Deal found 9/17$635
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:05 amIAD - SCL
2 stops18h 25mAvianca
Sun 10/127:10 amSCL - IAD
2 stops20h 35mAvianca
Deal found 9/18$637
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:15 pmIAD - SCL
2 stops30h 15mAvianca
Fri 11/71:35 amSCL - IAD
1 stop13h 40mAvianca
Deal found 9/17$640
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 11/62:35 pmIAD - SCL
1 stop12h 55mAvianca
Wed 12/244:25 pmSCL - IAD
2 stops35h 15mAvianca
Deal found 9/18$643
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Sat 9/277:25 pmIAD - SCL
2 stops27h 05mAvianca
Sat 10/47:10 amSCL - IAD
1 stop23h 25mAvianca
Deal found 9/18$644
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/265:59 pmIAD - SCL
2 stops18h 41mMultiple Airlines
Wed 12/34:25 pmSCL - IAD
1 stop22h 50mMultiple Airlines
Deal found 9/17$645

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 September 19, 2025.
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

Dulles Intl

Fly to

Santiago

Route

Depart

Return

Price

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

$635

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Thu 11/13

4:15 pm-3:20 pm

2 stops21h 05m

Santiago Arturo Merino Benitez

Mon 11/24

4:25 pm-1:15 pm

1 stop22h 50m

$635

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Fri 10/3

4:05 am-11:30 pm

2 stops18h 25m

Santiago Arturo Merino Benitez

Fri 10/10

12:55 am-6:05 pm

2 stops18h 10m

$637

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Thu 10/30

5:15 pm-3:20 pm

2 stops21h 05m

Santiago Arturo Merino Benitez

Mon 11/3

8:50 pm-1:40 am

3 stops30h 50m

$649

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Fri 11/7

1:13 am-11:41 pm

1 stop20h 28m

Santiago Arturo Merino Benitez

Mon 11/17

12:20 pm-3:22 am

1 stop17h 02m

$672

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Fri 11/14

1:13 am-12:06 am

1 stop20h 53m

Santiago Arturo Merino Benitez

Sat 11/22

5:12 am-12:07 am

1 stop20h 55m

$672

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 11/30

3:31 am-3:43 am

1 stop22h 12m

Santiago Arturo Merino Benitez

Sun 12/7

12:20 pm-11:33 pm

1 stop13h 13m

$677

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sat 11/29

1:33 am-8:21 pm

1 stop16h 48m

Santiago Arturo Merino Benitez

Sat 12/6

12:20 pm-11:33 pm

1 stop13h 13m

$677

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Tue 11/4

3:00 am-12:30 am

2 stops19h 30m

Santiago Arturo Merino Benitez

Mon 11/10

4:25 pm-2:55 pm

2 stops24h 30m

$681

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Wed 9/24

3:20 pm-2:25 pm

1 stop22h 05m

Santiago Arturo Merino Benitez

Tue 10/7

12:55 am-2:00 pm

1 stop14h 05m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 18 results
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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 September 12, 2025.

Booking 23 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santiago (average of $752). Flying from Washington, D.C. Dulles Intl Airport to Santiago in December is currently the most expensive (average of $1,098). 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 IAD to SCL?

Find hourly flight availability from Dulles Intl 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 September 19, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Santiago in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Santiago?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Santiago. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Santiago flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 19, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines, and Copa 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
8.0
Very good
7,964 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,849 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,531 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Avianca
6.7
Okay
2,432 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 4 different airlines.

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

    For as low as $635, Avianca can have you in Santiago from Washington, D.C. Dulles Intl Airport in 16h 45m. Washington, D.C. Dulles Intl Airport and Santiago are separated by a distance of 5013 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Avianca and Copa Airlines - these airlines can fly you to your destination from $436 and $497, respectively. Delta is 66% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santiago (average of $752). Flying from Washington, D.C. Dulles Intl Airport to Santiago in December is currently the most expensive (average of $1,098). 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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Top 4 airlines flying from Dulles Intl to Santiago

Discover the top 4 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$813FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$436Average$701FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$497Average$806FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$573Average$864FlexibilityNo cancel feeOn-time81%

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