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South America

$160+ Cheap flights from Dulles Intl (IAD) to South America

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BOG
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
1 adult, Economy
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Cheap flight deals from Dulles Intl to South America

Cheapest flights from Dulles Intl to South America
Explore the most affordable flight options available from Dulles Intl to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 24, 2026.

This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:50 am
IAD
-
CTG
1 stop10h 50m
Avianca
Thu 8/201:30 pm
CTG
-
IAD
2 stops11h 45m
Avianca
Deal found 6/23$374
This Avianca deal was found by Cheapflights users on 6/24. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:35 pm
IAD
-
CTG
1 stop8h 35m
Avianca
Tue 8/186:55 pm
CTG
-
IAD
1 stop9h 25m
Avianca
Deal found 6/24$375
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:40 am
IAD
-
CTG
2 stops9h 55m
Avianca
Sat 7/254:35 am
CTG
-
IAD
1 stop8h 40m
Avianca
Deal found 6/23$376
This Avianca deal was found by Cheapflights users on 6/22. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:40 am
IAD
-
CTG
2 stops9h 55m
Avianca
Wed 7/296:55 pm
CTG
-
IAD
1 stop9h 25m
Avianca
Deal found 6/22$377
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:50 am
IAD
-
CTG
1 stop10h 50m
Avianca
Mon 8/2411:20 am
CTG
-
IAD
2 stops14h 25m
Avianca
Deal found 6/23$378
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am
IAD
-
CTG
1 stop7h 05m
LATAM Airlines
Wed 12/23:25 pm
CTG
-
IAD
1 stop8h 55m
LATAM Airlines
Deal found 6/23$379
This Avianca deal was found by Cheapflights users on 6/22. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:50 am
IAD
-
CTG
1 stop9h 25m
Avianca
Mon 9/71:30 pm
CTG
-
IAD
2 stops11h 45m
Avianca
Deal found 6/22$380
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 am
IAD
-
CTG
2 stops9h 55m
Avianca
Tue 8/251:30 pm
CTG
-
IAD
2 stops11h 45m
Avianca
Deal found 6/23$381
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:25 am
IAD
-
CTG
1 stop12h 40m
Copa Airlines
Tue 8/256:20 am
CTG
-
IAD
1 stop21h 01m
Copa Airlines
Deal found 6/23$382
This Vliegwinkel 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:50 am
IAD
-
CTG
1 stop10h 50m
Avianca
Sat 8/221:30 pm
CTG
-
IAD
2 stops11h 45m
Avianca
Deal found 6/21$383
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
IAD
-
CTG
1 stop8h 05m
LATAM Airlines
Thu 8/272:30 pm
CTG
-
IAD
1 stop17h 50m
LATAM Airlines
Deal found 6/21$384
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:50 am
IAD
-
CTG
1 stop13h 25m
Avianca
Thu 8/134:35 am
CTG
-
IAD
1 stop8h 40m
Avianca
Deal found 6/23$387

Find flight deals from Dulles Intl to South America

Keep the following information in mind while searching for Dulles Intl to South America flight deals. Data was last updated June 24, 2026.

Round-trip from

$374
(Avianca)

One-way from

$160
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$481

Good round-trip deal

$481 or less

Good one-way deal

$392 or less
From Washington, D.C. Dulles Intl to South America
Search Deals
One-way flight from Washington, D.C. Dulles Intl to South America
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to South America.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to South America.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to South America 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 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Fri 8/7

6:50 am-7:15 pm

1 stop13h 25m

Cartagena Rafael Nunez

Thu 8/13

1:30 pm-2:15 am

2 stops11h 45m

$374

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Wed 9/30

9:35 am-11:00 pm

1 stop14h 25m

Cartagena Rafael Nunez

Sun 10/4

6:20 am-4:20 am

1 stop21h 00m

$382

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Wed 10/7

4:34 pm-8:40 am

1 stop17h 06m

Cartagena Rafael Nunez

Sun 10/11

6:20 am-4:20 am

1 stop21h 00m

$382

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Tue 8/25

6:00 am-1:15 pm

1 stop8h 15m

Cartagena Rafael Nunez

Tue 9/1

4:25 am-12:34 am

2 stops19h 09m

$393

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Sat 8/22

6:00 am-1:05 pm

1 stop8h 05m

Cartagena Rafael Nunez

Tue 9/1

4:25 am-12:34 am

2 stops19h 09m

$393

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Tue 9/1

6:50 am-3:15 pm

1 stop9h 25m

Cartagena Rafael Nunez

Sun 9/6

5:35 am-5:20 am

1 stop22h 45m

$411

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Fri 9/11

8:31 am-9:10 pm

1 stop13h 39m

Medellín Jose Maria Cordova Intl

Sun 9/20

9:45 am-12:30 am

1 stop13h 45m

$414

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Fri 9/18

10:29 pm-9:10 pm

1 stop23h 41m

Medellín Jose Maria Cordova Intl

Sun 9/27

9:45 am-10:30 pm

1 stop11h 45m

$414

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Mon 9/21

4:34 pm-8:15 am

1 stop16h 41m

Medellín Jose Maria Cordova Intl

Fri 9/25

3:10 pm-12:32 am

1 stop8h 22m

$415

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Mon 10/5

9:35 am-9:40 am

1 stop25h 05m

Medellín Jose Maria Cordova Intl

Mon 10/19

4:30 pm-12:32 am

1 stop7h 02m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Dulles Intl to South America

Have a flexible travel schedule? Discover the best time to fly to South America 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 South America

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South America (average of $445). Flying from Washington, D.C. Dulles Intl Airport to South America in December is currently the most expensive (average of $1,020). 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 SA?

Find hourly flight availability from Dulles Intl to South America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 24, 2026.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to South America in the morning. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to South America

Explore weekly flight availability from Dulles Intl to South America. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 24, 2026.

The most flights from IAD to 0SA are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to South America, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to South America. Price data was last updated on June 20, 2026.

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

Reviews of airlines servicing South America

Get insights into the airlines that provide service to South America. 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 South America. Reviews last updated June 24, 2026.
Read reviews from past customers who have flown Delta,Copa Airlines, andLATAM Airlines from Washington, D.C. Dulles Intl Airport to South America. 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
7.8
Good
8,434 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,434 reviews
Delta
7.8
Good
8,434 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Copa Airlines
7.6
Good
1,569 reviews
Delta
7.8
Good
8,434 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
LATAM Airlines
7.4
Good
1,942 reviews
Delta
7.8
Good
8,434 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,885 reviews
Delta
7.8
Good
8,434 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Avianca
6.5
Okay
2,535 reviews
Delta
7.8
Good
8,434 reviews

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to South America. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Avianca, Copa Airlines, and Delta can get you from Washington, D.C. Dulles Intl Airport to South America in just under 8h 15m. Your travel time can differ by up to 6h 10m. Airlines will cover a distance of 1972 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $119 on Copa Airlines. Other airlines that offer cheap prices include Avianca from $126 and United Airlines from $127 one-way.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to South America?

    Most travelers choose Washington, D.C. Dulles Intl - Medellín Jose Maria Cordova Intl, Washington, D.C. Dulles Intl - Lima J Chavez Intl or Washington, D.C. Dulles Intl - Bogotá El Dorado when deciding on the best route from Washington, D.C. Dulles Intl Airport to South America.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to South America?

    Before booking your flight to South America from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Avianca (87%), GOL (87%), ANA( 80%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to South America?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to South America? While on average our users pay $915, our data indicates the cheapest price to be $354. The most popular route (Washington, D.C. Dulles Intl - Medellín Jose Maria Cordova Intl), is priced around $414.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to South America 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 South America?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South America (average of $445). Flying from Washington, D.C. Dulles Intl Airport to South America in December is currently the most expensive (average of $1,020). 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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Alternative routes for Dulles Intl to South America

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Tampa flights
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Reagan-National to Denver flights
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Dulles Intl to Mexico City flights
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Top 7 airlines flying from Dulles Intl to South America

Discover the top 7 airlines that operate flights from Dulles Intl to South America. 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 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$128Average$690FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$158Average$645FlexibilityNo cancel feeOn-time81%
DeltaCheapest$198Average$691FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$200Average$566FlexibilityNo cancel feeOn-time70%
AviancaCheapest$259Average$579FlexibilityNo cancel feeOn-time71%
GOLCheapest$341Average$701FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$439Average$789FlexibilityNo cancel feeOn-time71%

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