South America

$131+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BOG
May 23 — May 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to South America with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 23, 2026.

This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:50 am
IAD
-
MDE
2 stops15h 40m
Avianca
Sun 5/102:10 pm
MDE
-
IAD
1 stop13h 10m
Avianca
Deal found 4/21$336
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:35 pm
IAD
-
MDE
2 stops15h 20m
Avianca
Fri 5/12:10 pm
MDE
-
IAD
1 stop11h 35m
Avianca
Deal found 4/21$342
This oojo deal was found by Cheapflights users on 4/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:35 pm
IAD
-
MDE
2 stops15h 20m
Avianca
Tue 5/122:10 pm
MDE
-
IAD
1 stop11h 35m
Avianca
Deal found 4/20$343
This oojo deal was found by Cheapflights users on 4/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:35 pm
IAD
-
MDE
1 stop18h 35m
Avianca
Mon 5/259:50 pm
MDE
-
IAD
2 stops15h 25m
Avianca
Deal found 4/22$346
This oojo deal was found by Cheapflights users on 4/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:50 am
IAD
-
MDE
2 stops15h 40m
Avianca
Sun 9/62:10 pm
MDE
-
IAD
1 stop13h 10m
Avianca
Deal found 4/19$350
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:35 pm
IAD
-
MDE
1 stop20h 35m
Avianca
Tue 5/269:50 pm
MDE
-
IAD
2 stops15h 25m
Avianca
Deal found 4/21$353
This oojo deal was found by Cheapflights users on 4/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:35 pm
IAD
-
MDE
2 stops15h 20m
Avianca
Mon 9/72:10 pm
MDE
-
IAD
1 stop11h 35m
Avianca
Deal found 4/22$357
This Delta deal was found by Cheapflights users on 4/20. 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.
Sat 8/297:00 am
IAD
-
CTG
1 stop7h 13m
Delta
Thu 9/32:28 pm
CTG
-
IAD
1 stop8h 42m
Delta
Deal found 4/20$359
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:35 pm
IAD
-
MDE
1 stop18h 35m
Avianca
Mon 7/138:10 pm
MDE
-
IAD
2 stops17h 05m
Avianca
Deal found 4/21$360
This Copa Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 5/79:37 am
IAD
-
CTG
1 stop14h 23m
Copa Airlines
Sun 5/109:45 am
CTG
-
IAD
1 stop17h 36m
Copa Airlines
Deal found 4/20$362
This oojo deal was found by Cheapflights users on 4/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:50 am
IAD
-
MDE
2 stops15h 40m
Avianca
Mon 6/12:10 pm
MDE
-
IAD
1 stop13h 10m
Avianca
Deal found 4/19$364
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:11 pm
IAD
-
CTG
2 stops18h 53m
American Airlines
Thu 5/71:25 pm
CTG
-
IAD
2 stops18h 24m
American Airlines
Deal found 4/21$364

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 April 23, 2026.

Round-trip from

$336
(oojo)

One-way from

$131
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$437

Good round-trip deal

$508 or less

Good one-way deal

$238 or less
From Washington, D.C. Dulles Intl to South America
One-way flight from Washington, D.C. Dulles Intl to South America
Highest demand for flights based on searches. 17% potential increase in price ($82 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to South America.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to South America.

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 April 23, 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

Sat 8/29

6:00 am-1:13 pm

1 stop8h 13m

Cartagena Rafael Nunez

Thu 9/3

2:28 pm-12:10 am

1 stop8h 42m

$359

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Tue 5/19

4:38 pm-11:00 pm

1 stop7h 22m

Cartagena Rafael Nunez

Tue 5/26

9:45 am-4:21 am

1 stop17h 36m

$362

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Thu 10/1

4:34 pm-8:39 am

1 stop17h 05m

Cartagena Rafael Nunez

Sun 10/11

3:02 pm-4:20 am

1 stop12h 18m

$362

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Sat 5/23

2:21 am-8:05 am

1 stop6h 44m

Cartagena Rafael Nunez

Tue 5/26

6:20 am-12:33 am

1 stop17h 13m

$362

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Mon 5/4

7:19 pm-1:20 pm

1 stop19h 01m

Cartagena Rafael Nunez

Thu 5/7

2:13 pm-12:51 am

1 stop9h 38m

$366

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Wed 5/6

4:38 pm-8:40 am

1 stop17h 02m

Cartagena Rafael Nunez

Mon 5/11

9:25 am-4:21 am

1 stop17h 56m

$367

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Wed 6/3

6:25 am-11:00 pm

1 stop17h 35m

Cartagena Rafael Nunez

Sun 6/7

9:25 am-12:33 am

1 stop14h 08m

$367

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Fri 5/8

4:38 pm-8:40 am

1 stop17h 02m

Cartagena Rafael Nunez

Mon 5/11

9:25 am-4:21 am

1 stop17h 56m

$367

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Fri 5/8

4:38 pm-8:40 am

1 stop17h 02m

Cartagena Rafael Nunez

Wed 5/13

9:45 am-4:21 am

1 stop17h 36m

$367

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Wed 6/3

2:21 am-8:40 am

1 stop7h 19m

Cartagena Rafael Nunez

Sun 6/7

9:45 am-4:21 am

1 stop17h 36m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South America (average of $444). Flying from Washington, D.C. Dulles Intl Airport to South America in December is currently the most expensive (average of $975). 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 April 23, 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 32% on the cost of your flight, compared to a flight in the evening.

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 April 18, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to South America flight should consider departing on Tuesday 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.

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 April 23, 2026.

The most flights from IAD to 0SA are scheduled on a Monday (6 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

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 April 23, 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.

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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.

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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.

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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.

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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.

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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.

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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 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?

    Delta, Copa Airlines, and United Airlines can get you from Washington, D.C. Dulles Intl Airport to South America in just under 7h 22m. Your travel time can differ by up to 25h 18m. 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 $120 and United Airlines from $127 one-way.

  • What are the most popular routes 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 (84%), GOL (80%), ANA( 73%).

  • 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 $1,298, our data indicates the cheapest price to be $178. The most popular route (Washington, D.C. Dulles Intl - Bogotá El Dorado), is priced around $322.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South America (average of $444). Flying from Washington, D.C. Dulles Intl Airport to South America in December is currently the most expensive (average of $975). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to South America

See prices for flight routes from nearby airports that may be better suited for you.

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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$144Average$562FlexibilityNo cancel feeOn-time71%
DeltaCheapest$158Average$671FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$158Average$638FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$182Average$660FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$200Average$554FlexibilityNo cancel feeOn-time70%
GOLCheapest$341Average$639FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$395Average$789FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.