How does KAYAK find such low prices on flights from South America to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from South America to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from South America to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from South America is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from South America to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to South America with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from South America to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from South America up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$256 CHEAP FLIGHTS from South America to Washington, D.C. (IAD)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from South America to Dulles Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from South America to Dulles Intl

Fri, Oct 9 - Sun, Nov 29

2:15 pm - 5:20 amUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

14h 05m1 stop Bogotá El Dorado

4:25 pm - 3:00 amIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

10h 35m1 stop San Salvador El Salvador Intl

$404Avianca

Mon, Nov 2 - Mon, Nov 30

4:30 am - 1:10 pmUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Bogotá El Dorado

6:35 pm - 3:00 amIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

8h 25m1 stop San Salvador El Salvador Intl

$404Avianca

Wed, Dec 16 - Sun, Jan 17

3:08 am - 3:04 amUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

23h 56m1 stop Panama City Tocumen Intl

3:26 pm - 5:35 pmIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

26h 09m1 stop Panama City Tocumen Intl

$427Copa Airlines

Fri, Mar 12 - Tue, Mar 23

6:11 am - 8:44 pmUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

14h 33m1 stop Panama City Tocumen Intl

11:57 pm - 11:27 amIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

12h 30m1 stop Panama City Tocumen Intl

$427Copa Airlines

Tue, Oct 13 - Wed, Nov 11

9:37 am - 11:50 amUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

25h 13m2 stops Guayaquil Jose Joaquin de Olmedo New York John F Kennedy Intl

8:05 am - 11:00 pmIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

14h 55m2 stops Atlanta Hartsfield-Jackson Bogotá El Dorado

$440LATAM Airlines

Fri, Oct 9 - Fri, Oct 30

1:29 pm - 11:50 amUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

21h 21m2 stops Guayaquil Jose Joaquin de Olmedo New York John F Kennedy Intl

12:27 pm - 11:00 pmIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

11h 33m2 stops Atlanta Hartsfield-Jackson Bogotá El Dorado

$440LATAM Airlines

Thu, Feb 25 - Mon, Mar 1

10:40 am - 11:37 amMDE Medellín Jose Maria Cordova Intl-IAD Washington, D.C. Dulles Intl

24h 57m1 stop Houston George Bush Intcntl

1:00 pm - 10:10 pmIAD Washington, D.C. Dulles Intl-MDE Medellín Jose Maria Cordova Intl

9h 10m1 stop Houston George Bush Intcntl

$462United Airlines

Thu, Feb 25 - Mon, Mar 1

10:40 am - 11:37 amMDE Medellín Jose Maria Cordova Intl-IAD Washington, D.C. Dulles Intl

24h 57m1 stop Houston George Bush Intcntl

1:00 pm - 10:10 pmIAD Washington, D.C. Dulles Intl-MDE Medellín Jose Maria Cordova Intl

9h 10m1 stop Houston George Bush Intcntl

$466United Airlines

Fri, Dec 4 - Sat, Feb 13

1:30 am - 9:14 pmMDE Medellín Jose Maria Cordova Intl-IAD Washington, D.C. Dulles Intl

19h 44m2 stops Miami Charlotte Douglas

2:06 pm - 2:06 pmIAD Washington, D.C. Dulles Intl-MDE Medellín Jose Maria Cordova Intl

24h 00m2 stops Charlotte Douglas Miami

$475American Airlines

Fri, Dec 4 - Sat, Feb 13

1:30 am - 9:14 pmMDE Medellín Jose Maria Cordova Intl-IAD Washington, D.C. Dulles Intl

19h 44m2 stops Miami Charlotte Douglas

2:06 pm - 2:06 pmIAD Washington, D.C. Dulles Intl-MDE Medellín Jose Maria Cordova Intl

24h 00m2 stops Charlotte Douglas Miami

$478American Airlines

Recent last minute flight deals from South America to Dulles Intl

Fri, Oct 2 - Fri, Oct 16

1:45 am - 3:55 pmUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

13h 10m1 stop San Salvador El Salvador Intl

6:50 am - 5:40 pmIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

11h 50m1 stop Bogotá El Dorado

$426Avianca

Fri, Oct 2 - Thu, Oct 15

1:45 am - 3:55 pmUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

13h 10m1 stop San Salvador El Salvador Intl

3:40 am - 8:05 pmIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

17h 25m2 stops Guatemala City La Aurora San José Juan Santamaria Intl

$434Avianca

Mon, Sep 28 - Thu, Oct 29

12:59 am - 2:11 pmUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

12h 12m1 stop Atlanta Hartsfield-Jackson

6:32 pm - 6:52 pmIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

25h 20m2 stops New York John F Kennedy Intl Miami

$442Delta

Thu, Oct 1 - Wed, Nov 11

12:59 am - 9:45 pmUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

19h 46m1 stop Atlanta Hartsfield-Jackson

8:05 am - 6:52 pmIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

10h 47m2 stops Atlanta Hartsfield-Jackson Miami

$442Delta

Tue, Sep 29 - Wed, Oct 7

6:00 am - 3:04 pmUIO Quito Mariscal Sucr-IAD Washington, D.C. Dulles Intl

8h 04m1 stop Panama City Tocumen Intl

4:34 pm - 2:07 pmIAD Washington, D.C. Dulles Intl-UIO Quito Mariscal Sucr

22h 33m1 stop Panama City Tocumen Intl

$454Copa Airlines

Wed, Sep 30 - Fri, Jan 29

12:40 pm - 12:32 amMDE Medellín Jose Maria Cordova Intl-IAD Washington, D.C. Dulles Intl

10h 52m1 stop Panama City Tocumen Intl

1:13 am - 9:45 amIAD Washington, D.C. Dulles Intl-MDE Medellín Jose Maria Cordova Intl

8h 32m1 stop Panama City Tocumen Intl

$545Copa Airlines

Thu, Oct 1 - Sun, Oct 4

12:55 am - 4:26 pmLIM Lima J Chavez Intl-IAD Washington, D.C. Dulles Intl

14h 31m1 stop Houston George Bush Intcntl

8:30 am - 11:00 pmIAD Washington, D.C. Dulles Intl-LIM Lima J Chavez Intl

15h 30m1 stop Houston George Bush Intcntl

$678United Airlines

Thu, Oct 1 - Mon, Oct 5

9:00 pm - 9:09 amGIG Rio de Janeiro–Galeão Intl-IAD Washington, D.C. Dulles Intl

13h 09m1 stop Atlanta Hartsfield-Jackson

5:12 pm - 10:15 amIAD Washington, D.C. Dulles Intl-GIG Rio de Janeiro–Galeão Intl

16h 03m1 stop Atlanta Hartsfield-Jackson

$697LATAM Airlines

Mon, Oct 5 - Mon, Oct 19

9:00 pm - 2:08 pmGIG Rio de Janeiro–Galeão Intl-IAD Washington, D.C. Dulles Intl

18h 08m1 stop Atlanta Hartsfield-Jackson

7:45 pm - 10:15 amIAD Washington, D.C. Dulles Intl-GIG Rio de Janeiro–Galeão Intl

13h 30m1 stop Atlanta Hartsfield-Jackson

$737LATAM Airlines

Mon, Oct 5 - Tue, Oct 20

9:05 pm - 9:07 pmGIG Rio de Janeiro–Galeão Intl-IAD Washington, D.C. Dulles Intl

25h 02m1 stop Houston George Bush Intcntl

6:15 am - 8:15 amIAD Washington, D.C. Dulles Intl-GIG Rio de Janeiro–Galeão Intl

25h 00m1 stop Houston George Bush Intcntl

$801United Airlines

Recent direct flight deals from South America to Dulles Intl

Mon, Oct 26 - Tue, Oct 27

7:40 am - 2:10 pmBOG Bogotá El Dorado-IAD Washington, D.C. Dulles Intl

5h 30mnonstop

3:30 pm - 8:10 pmIAD Washington, D.C. Dulles Intl-BOG Bogotá El Dorado

5h 40mnonstop

$695Avianca

Fri, Nov 27 - Sun, Jan 31

7:40 am - 1:10 pmBOG Bogotá El Dorado-IAD Washington, D.C. Dulles Intl

5h 30mnonstop

2:30 pm - 8:10 pmIAD Washington, D.C. Dulles Intl-BOG Bogotá El Dorado

5h 40mnonstop

$695Avianca

Sun, Oct 25 - Sun, Nov 15

7:40 am - 2:10 pmBOG Bogotá El Dorado-IAD Washington, D.C. Dulles Intl

5h 30mnonstop

5:50 am - 11:15 amIAD Washington, D.C. Dulles Intl-BOG Bogotá El Dorado

5h 25mnonstop

$700Avianca

Tue, Dec 1 - Wed, Dec 9

10:50 pm - 4:30 amBOG Bogotá El Dorado-IAD Washington, D.C. Dulles Intl

5h 40mnonstop

5:50 am - 11:15 amIAD Washington, D.C. Dulles Intl-BOG Bogotá El Dorado

5h 25mnonstop

$701Avianca

Mon, Oct 19 - Mon, Nov 23

9:30 pm - 6:25 amGRU Sao Paulo Guarulhos Intl-IAD Washington, D.C. Dulles Intl

9h 55mnonstop