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South America

$120+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BOG
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find 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 November 26, 2025.

This Copa Airlines deal was found by Cheapflights users on 11/24. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:32 pmIAD - MDE
1 stop18h 19mCopa Airlines
Sat 1/3110:46 amMDE - IAD
1 stop16h 27mCopa Airlines
Deal found 11/24$291
This FlightHub deal was found by Cheapflights users on 11/25. 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 12/611:55 pmIAD - MDE
1 stop14h 00mAvianca
Thu 12/112:10 pmMDE - IAD
1 stop11h 30mAvianca
Deal found 11/25$294
This FlightHub deal was found by Cheapflights users on 11/25. 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 12/611:55 pmIAD - MDE
1 stop14h 00mAvianca
Sun 12/147:40 pmMDE - IAD
1 stop8h 45mAvianca
Deal found 11/25$295
This American Airlines deal was found by Cheapflights users on 11/26. 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.
Thu 12/44:40 pmIAD - CTG
2 stops20h 50mAmerican Airlines
Mon 12/84:30 pmCTG - IAD
2 stops17h 50mAmerican Airlines
Deal found 11/26$301
This United Airlines deal was found by Cheapflights users on 11/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amIAD - MDE
1 stop16h 05mUnited Airlines
Fri 12/1210:45 amMDE - IAD
1 stop11h 30mUnited Airlines
Deal found 11/23$303
This United Airlines deal was found by Cheapflights users on 11/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:40 pmIAD - MDE
1 stop28h 25mUnited Airlines
Tue 12/91:15 amMDE - IAD
1 stop19h 27mUnited Airlines
Deal found 11/23$310
This Copa Airlines deal was found by Cheapflights users on 11/26. 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.
Fri 11/288:22 amIAD - MDE
1 stop11h 54mCopa Airlines
Thu 12/49:17 amMDE - IAD
1 stop14h 16mCopa Airlines
Deal found 11/26$311
This FlightHub deal was found by Cheapflights users on 11/26. 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 12/611:55 pmIAD - MDE
1 stop14h 00mAvianca
Mon 12/810:45 pmMDE - IAD
1 stop14h 30mAvianca
Deal found 11/26$312
This American Airlines deal was found by Cheapflights users on 11/26. 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.
Fri 12/55:35 pmIAD - CTG
2 stops21h 55mAmerican Airlines
Tue 12/92:30 pmCTG - IAD
2 stops19h 50mAmerican Airlines
Deal found 11/26$314
This American Airlines deal was found by Cheapflights users on 11/26. 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.
Fri 11/288:09 pmIAD - CTG
2 stops19h 21mAmerican Airlines
Wed 12/32:30 pmCTG - IAD
2 stops18h 14mAmerican Airlines
Deal found 11/26$316
This American Airlines deal was found by Cheapflights users on 11/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:05 pmIAD - MDE
2 stops18h 01mAmerican Airlines
Tue 12/91:30 amMDE - IAD
2 stops21h 38mAmerican Airlines
Deal found 11/23$318
This Copa Airlines deal was found by Cheapflights users on 11/24. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:13 amIAD - MDE
1 stop9h 43mCopa Airlines
Sun 12/1412:42 pmMDE - IAD
1 stop10h 51mCopa Airlines
Deal found 11/24$321

Cheap 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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$291
(Copa Airlines)

One-way from

$120
(Copa Airlines)

Popular in

December

Cheapest in

June

Average price

$804

Good round-trip deal

$430 or less

Good one-way deal

$187 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Sao Paulo (SAO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sao Paulo (SAO) flights.
Search Deals
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. 12% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 26, 2025.
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

Dulles Intl

Fly to

South America

Route

Depart

Return

Price

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Mon 12/1

3:32 pm-8:18 am

1 stop16h 46m

Medellín Jose Maria Cordova Intl

Fri 12/5

9:17 am-3:22 am

1 stop18h 05m

$291

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Mon 2/2

1:18 am-9:51 am

1 stop8h 33m

Medellín Jose Maria Cordova Intl

Wed 2/11

10:46 am-3:15 am

1 stop16h 29m

$291

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Tue 12/9

3:32 pm-8:18 am

1 stop16h 46m

Medellín Jose Maria Cordova Intl

Sun 12/14

12:42 pm-11:33 pm

1 stop10h 51m

$291

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Wed 1/28

8:25 am-8:35 pm

1 stop12h 10m

Medellín Jose Maria Cordova Intl

Mon 2/2

3:15 pm-3:15 am

1 stop12h 00m

$291

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Wed 12/10

3:32 pm-9:51 am

1 stop18h 19m

Medellín Jose Maria Cordova Intl

Sat 12/13

6:20 pm-3:22 am

1 stop9h 02m

$291

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Sun 1/11

1:12 am-9:51 am

1 stop8h 39m

Medellín Jose Maria Cordova Intl

Sat 1/17

10:46 am-3:13 am

1 stop16h 27m

$291

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Sat 2/21

3:35 pm-8:49 am

1 stop17h 14m

Medellín Jose Maria Cordova Intl

Sat 2/28

10:46 am-3:15 am

1 stop16h 29m

$291

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Sun 1/18

1:12 am-8:18 am

1 stop7h 06m

Medellín Jose Maria Cordova Intl

Thu 1/22

10:46 am-11:30 pm

1 stop12h 44m

$291

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Tue 2/3

8:15 am-10:05 pm

1 stop13h 50m

Medellín Jose Maria Cordova Intl

Thu 2/5

10:45 am-10:18 pm

1 stop11h 33m

$303

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Mon 2/9

7:15 am-2:17 pm

1 stop7h 02m

Cartagena Rafael Nunez

Wed 2/18

3:32 pm-12:24 am

1 stop8h 52m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 60 results
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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, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South America (average of $179). Flying from Washington, D.C. Dulles Intl Airport to South America in February is currently the most expensive (average of $279). 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 November 26, 2025.

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 33% on the cost of your flight, compared to a flight at noon.

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 November 25, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to South America flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon 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 November 26, 2025.

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 (1 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 November 26, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines, and LATAM 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
7.9
Good
7,998 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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
7.6
Good
1,569 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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
7.5
Good
1,886 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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
9,046 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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
6.6
Okay
2,477 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

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?

    Copa Airlines, Delta, and LATAM Airlines can get you from Washington, D.C. Dulles Intl Airport to South America in just under 7h 02m. Your travel time can differ by up to 9h 44m. 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 $120 on Copa Airlines. Other airlines that offer cheap prices include United Airlines from $128 and Avianca from $135 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 - Lima J Chavez Intl, Washington, D.C. Dulles Intl - Bogotá El Dorado or Washington, D.C. Dulles Intl - Medellín Jose Maria Cordova Intl 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 (72%), ANA (59%), United Airlines( 59%).

  • 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 $854, our data indicates the cheapest price to be $146. The most popular route (Washington, D.C. Dulles Intl - Lima J Chavez Intl), is priced around $363.

  • 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, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South America (average of $179). Flying from Washington, D.C. Dulles Intl Airport to South America in February is currently the most expensive (average of $279). 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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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$221Average$998FlexibilityNo cancel feeOn-time69%
DeltaCheapest$252Average$660FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$271Average$583FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$283Average$609FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$295Average$640FlexibilityNo cancel feeOn-time81%
GOLCheapest$423Average$552FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$491Average$669FlexibilityNo cancel feeOn-time71%

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