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$259+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SCL
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
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 March, booked 48 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 June 23, 2025.

Round-trip from

$538
(Copa Airlines)

One-way from

$259
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$813
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 ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 23, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:25 amIAD - SCL
1 stop20h 39mCopa Airlines
Tue 11/44:19 amSCL - IAD
1 stop21h 14mCopa Airlines
Deal found 6/21$538
This Priceline deal was found by Cheapflights users on 6/21. 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.
Sun 11/25:10 amIAD - SCL
1 stop21h 00mAvianca
Wed 11/123:25 pmSCL - IAD
1 stop23h 35mAvianca
Deal found 6/21$545
This Mytrip deal was found by Cheapflights users on 6/23. 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.
Fri 9/57:00 amIAD - SCL
3 stops28h 20mMultiple Airlines
Mon 9/812:30 pmSCL - IAD
3 stops28h 15mMultiple Airlines
Deal found 6/23$608

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 June 23, 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

Mon 10/20

2:25 am-12:04 am

1 stop20h 39m

Santiago Arturo Merino Benitez

Tue 11/4

4:19 am-11:33 pm

1 stop21h 14m

$538

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 11/2

5:10 am-4:10 am

1 stop21h 00m

Santiago Arturo Merino Benitez

Wed 11/12

3:25 pm-1:00 pm

1 stop23h 35m

$545

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Fri 9/5

7:00 am-11:20 am

3 stops28h 20m

Santiago Arturo Merino Benitez

Mon 9/8

12:30 pm-3:45 pm

3 stops28h 15m

$608

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 7/27

2:35 am-10:30 pm

3 stops19h 55m

$264

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 9/21

5:05 pm-11:20 am

2 stops41h 15m

$342

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Mon 7/7

12:12 pm-6:45 am

1 stop18h 33m

$394

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 7/27

2:22 am-7:24 pm

1 stop17h 02m

$424

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Sun 6/29

3:31 pm-6:30 am

2 stops14h 59m

$427

Washington, D.C.Santiago

IAD - SCL

IADSCL

Washington, D.C. Dulles Intl

Thu 12/18

6:00 am-8:50 am

3 stops24h 50m

$1,691

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

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 June 20, 2025.

Booking 33 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 June 23, 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.

Rainfall in Santiago by month

Plan your trip to Santiago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago ranges from 0.0 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Santiago when rainfall is around 0.0 in.

Temperature in Santiago by month

Plan your trip to Santiago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 46.4 F).

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 June 23, 2025.
See what other customers who have flown with Delta, LATAM Airlines and Copa Airlines from Washington, D.C. to Santiago have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
1,791 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
1,460 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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!
United Airlines
7.4
Good
8,831 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
2,352 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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.

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

    Currently priced at $538, Copa Airlines will fly you from Washington, D.C. Dulles Intl Airport to Santiago and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Avianca for as low as $545. Copa Airlines is 31% 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 $259 on Avianca. Other airlines that offer cheap prices include LATAM Airlines from $394 and Copa Airlines from $424 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, 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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$385Average$851FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$431Average$664FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$440Average$788FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$573Average$884FlexibilityNo cancel feeOn-time81%

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