HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South America

$150+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BOG
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
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 May 9, 2026.

This Copa Airlines deal was found by Cheapflights users on 5/8. 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.
Sun 5/312:21 am
IAD
-
CTG
1 stop6h 44m
Copa Airlines
Fri 6/512:00 pm
CTG
-
IAD
1 stop15h 21m
Copa Airlines
Deal found 5/8$357
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 6/26:08 am
IAD
-
CTG
1 stop7h 50m
Delta
Thu 6/42:13 pm
CTG
-
IAD
1 stop9h 38m
Delta
Deal found 5/5$359
This Copa Airlines deal was found by Cheapflights users on 5/4. 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.
Sun 5/172:21 am
IAD
-
CTG
1 stop6h 44m
Copa Airlines
Sun 5/246:20 am
CTG
-
IAD
1 stop7h 45m
Copa Airlines
Deal found 5/4$362
This American Airlines deal was found by Cheapflights users on 5/5. 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 8/296:24 pm
IAD
-
CTG
2 stops20h 51m
American Airlines
Thu 9/31:35 pm
CTG
-
IAD
2 stops22h 13m
American Airlines
Deal found 5/5$364
This Delta deal was found by Cheapflights users on 5/5. 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.
Mon 6/17:38 pm
IAD
-
CTG
1 stop18h 20m
Delta
Thu 6/42:13 pm
CTG
-
IAD
1 stop18h 03m
Delta
Deal found 5/5$366
This Copa Airlines deal was found by Cheapflights users on 5/4. 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.
Sun 5/312:21 am
IAD
-
CTG
1 stop6h 44m
Copa Airlines
Mon 6/86:20 am
CTG
-
IAD
1 stop21h 01m
Copa Airlines
Deal found 5/4$367
This Delta deal was found by Cheapflights users on 5/5. 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.
Mon 6/17:38 pm
IAD
-
CTG
1 stop18h 20m
Delta
Fri 6/511:50 am
CTG
-
IAD
2 stops12h 01m
Delta
Deal found 5/5$369
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/294:38 pm
IAD
-
CTG
1 stop7h 22m
Copa Airlines
Fri 6/56:20 am
CTG
-
IAD
1 stop17h 13m
Copa Airlines
Deal found 5/5$371
This Copa Airlines deal was found by Cheapflights users on 5/7. 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 8/204:34 pm
IAD
-
CTG
1 stop17h 06m
Copa Airlines
Sun 8/309:25 am
CTG
-
IAD
1 stop17h 56m
Copa Airlines
Deal found 5/7$372
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 8/185:34 pm
IAD
-
CTG
2 stops20h 01m
American Airlines
Tue 8/251:35 pm
CTG
-
IAD
2 stops19h 22m
American Airlines
Deal found 5/5$374
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Mon 5/114:38 pm
IAD
-
CTG
1 stop17h 02m
Copa Airlines
Wed 5/203:05 pm
CTG
-
IAD
1 stop8h 28m
Copa Airlines
Deal found 5/5$377
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Thu 5/144:10 am
IAD
-
MDE
1 stop10h 00m
Avianca
Sun 5/179:50 pm
MDE
-
IAD
2 stops30h 30m
Avianca
Deal found 5/4$379

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 May 9, 2026.

Round-trip from

$357
(Copa Airlines)

One-way from

$150
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$387

Good round-trip deal

$499 or less

Good one-way deal

$202 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. 16% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 9, 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
Quickest round-trip

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Wed 5/27

4:38 pm-11:00 pm

1 stop7h 22m

Cartagena Rafael Nunez

Wed 6/3

3:05 pm-12:33 am

1 stop8h 28m

$357

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Sun 5/24

2:21 am-8:40 am

1 stop7h 19m

Cartagena Rafael Nunez

Fri 5/29

12:00 pm-12:33 am

1 stop11h 33m

$357

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Tue 6/2

6:08 am-12:58 pm

1 stop7h 50m

Cartagena Rafael Nunez

Sat 6/6

2:30 pm-12:51 am

1 stop9h 21m

$379

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Wed 5/27

2:21 am-8:40 am

1 stop7h 19m

Cartagena Rafael Nunez

Mon 6/1

6:20 am-4:21 am

1 stop21h 01m

$389

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Thu 6/4

4:38 pm-11:00 am

1 stop19h 22m

Cartagena Rafael Nunez

Sun 6/7

9:25 am-4:21 am

1 stop17h 56m

$389

Washington, D.C.Cartagena

IAD - CTG

IADCTG

Washington, D.C. Dulles Intl

Wed 7/15

4:26 pm-8:05 am

1 stop16h 39m

Cartagena Rafael Nunez

Wed 7/22

6:20 am-1:47 am

1 stop18h 27m

$404

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Wed 5/27

2:21 am-9:40 am

1 stop8h 19m

Medellín Jose Maria Cordova Intl

Fri 5/29

6:20 pm-4:21 am

1 stop9h 01m

$405

Washington, D.C.Medellín

IAD - MDE

IADMDE

Washington, D.C. Dulles Intl

Sun 5/17

2:21 am-8:15 am

1 stop6h 54m

Medellín Jose Maria Cordova Intl

Thu 5/28

5:40 am-12:33 am

1 stop17h 53m

$405

Washington, D.C.Quito

IAD - UIO

IADUIO

Washington, D.C. Dulles Intl

Fri 10/30

7:30 am-4:58 am

2 stops22h 28m

Quito Mariscal Sucr

Tue 11/10

7:00 pm-4:36 pm

2 stops21h 36m

$408

Washington, D.C.Quito

IAD - UIO

IADUIO

Washington, D.C. Dulles Intl

Mon 11/2

4:00 pm-4:58 am

2 stops12h 58m

Quito Mariscal Sucr

Wed 11/11

7:00 pm-11:59 am

2 stops16h 59m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

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

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 22 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 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 May 9, 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 May 2, 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.

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 May 9, 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).

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 May 9, 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
7.9
Good
8,457 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

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
7.9
Good
8,457 reviews
Delta
7.9
Good
8,457 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

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
7.5
Good
1,583 reviews
Delta
7.9
Good
8,457 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

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
1,917 reviews
Delta
7.9
Good
8,457 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

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
9,695 reviews
Delta
7.9
Good
8,457 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

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
2,523 reviews
Delta
7.9
Good
8,457 reviews

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

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?

    Copa Airlines, Delta, 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 2h 01m. 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?

    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 (84%), GOL (80%), ANA( 72%).

  • 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 $1,319, our data indicates the cheapest price to be $146. The most popular route (Washington, D.C. Dulles Intl - Medellín Jose Maria Cordova Intl), is priced around $405.

  • 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.
Dulles Intl to Dallas/Fort Worth flights
Dulles Intl to Seattle flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Seattle flights
Dulles Intl to Las Vegas flights
Baltimore to Los Angeles flights
Baltimore to O'Hare Intl flights
Reagan-National to Los Angeles flights
Reagan-National to Miami flights
Baltimore to Hobby flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to Orlando flights
Baltimore to Seattle flights
Baltimore to Orlando flights
Baltimore to Miami flights
Baltimore to Atlanta flights
Dulles Intl to Los Angeles flights
Dulles Intl to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Denver flights
Dulles Intl to Miami flights
Dulles Intl to Cancún flights
Reagan-National to Las Vegas flights
Baltimore to Las Vegas flights
Baltimore to Boston flights
Dulles Intl to San Francisco flights
Dulles Intl to Heathrow flights
Baltimore to Denver flights
Reagan-National to Orlando flights
Baltimore to Fort Lauderdale flights
Dulles Intl to Boston flights
Reagan-National to San Francisco flights
Reagan-National to Hobby flights
Baltimore to San Francisco flights
Dulles Intl to Atlanta flights
Reagan-National to Boston flights
Baltimore to Heathrow flights
Dulles Intl to Hobby flights
Dulles Intl to Midway flights
Baltimore to George Bush Intcntl flights
Baltimore to Cancún flights
Dulles Intl to Luis Munoz Marin Intl flights
Dulles Intl to Tampa flights
Dulles Intl to New Orleans flights
Baltimore to Luis Munoz Marin Intl flights
Reagan-National to Fort Lauderdale flights
Dulles Intl to San Salvador flights
Dulles Intl to Charles de Gaulle flights
Dulles Intl to San Diego flights

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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$144Average$573FlexibilityNo cancel feeOn-time71%
DeltaCheapest$158Average$670FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$158Average$643FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$182Average$661FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$200Average$552FlexibilityNo cancel feeOn-time70%
GOLCheapest$323Average$680FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$395Average$669FlexibilityNo 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.