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$260+ Cheap flights from Dulles Intl (IAD) to Brazil

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GRU
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Dulles Intl to Brazil

Cheapest flights from Dulles Intl to Brazil
Explore the most affordable flight options available from Dulles Intl to Brazil. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This Copa Airlines deal was found by Cheapflights users on 7/27. 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 10/72:25 am
IAD
-
GIG
1 stop21h 00m
Copa Airlines
Tue 10/1310:30 am
GIG
-
IAD
1 stop29h 34m
Copa Airlines
Deal found 7/27$663
This LATAM Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 9/96:07 pm
IAD
-
GIG
1 stop15h 08m
LATAM Airlines
Tue 9/159:00 pm
GIG
-
IAD
1 stop15h 30m
LATAM Airlines
Deal found 7/27$665
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 8/262:53 pm
IAD
-
GIG
2 stops22h 17m
American Airlines
Wed 9/29:55 pm
GIG
-
IAD
2 stops24h 01m
American Airlines
Deal found 7/27$666
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/2610:25 pm
IAD
-
GIG
1 stop34h 10m
United Airlines
Thu 11/59:55 pm
GIG
-
IAD
1 stop20h 04m
United Airlines
Deal found 7/28$669
This Delta deal was found by Cheapflights users on 7/27. 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 11/288:00 am
IAD
-
GIG
1 stop24h 15m
Delta
Wed 12/99:05 pm
GIG
-
IAD
1 stop16h 30m
Delta
Deal found 7/27$670
This United Airlines deal was found by Cheapflights users on 7/27. 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 10/2410:18 pm
IAD
-
GIG
1 stop34h 17m
United Airlines
Mon 11/29:55 pm
GIG
-
IAD
1 stop24h 54m
United Airlines
Deal found 7/27$674
This Copa Airlines deal was found by Cheapflights users on 8/1. 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 8/202:25 am
IAD
-
GIG
1 stop21h 00m
Copa Airlines
Fri 8/285:10 am
GIG
-
IAD
1 stop20h 23m
Copa Airlines
Deal found 8/1$675
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/184:34 pm
IAD
-
GIG
1 stop30h 51m
Copa Airlines
Wed 9/235:10 am
GIG
-
IAD
1 stop20h 22m
Copa Airlines
Deal found 7/31$676
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/2610:25 pm
IAD
-
GIG
1 stop34h 10m
United Airlines
Sat 11/79:55 pm
GIG
-
IAD
1 stop27h 07m
United Airlines
Deal found 7/28$678
This LATAM Airlines deal was found by Cheapflights users on 7/27. 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 11/288:00 am
IAD
-
GIG
1 stop24h 15m
LATAM Airlines
Wed 12/912:15 pm
GIG
-
IAD
2 stops25h 37m
LATAM Airlines
Deal found 7/27$680
This oojo deal was found by Cheapflights users on 7/29. 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 9/253:35 pm
IAD
-
GIG
1 stop31h 55m
GOL
Sat 10/31:35 am
GIG
-
IAD
1 stop13h 40m
GOL
Deal found 7/29$682
This oojo deal was found by Cheapflights users on 7/30. 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.
Wed 11/45:45 am
IAD
-
GIG
1 stop22h 40m
GOL
Wed 11/187:30 am
GIG
-
IAD
1 stop23h 00m
GOL
Deal found 7/30$683

Find flight deals from Dulles Intl to Brazil

Keep the following information in mind while searching for Dulles Intl to Brazil flight deals. Data was last updated August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$663
(Copa Airlines)

One-way from

$260
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$838

Good round-trip deal

$962 or less

Good one-way deal

$411 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 Brazil
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Brazil
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Brazil.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Brazil.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Brazil 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 August 1, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brazil that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Mon 10/26

10:25 pm-9:35 am

1 stop34h 10m

Rio de Janeiro–Galeão Intl

Fri 11/6

9:55 pm-6:30 pm

1 stop22h 35m

$669

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Sat 10/24

10:18 pm-9:35 am

1 stop34h 17m

Rio de Janeiro–Galeão Intl

Mon 11/2

9:55 pm-8:49 pm

1 stop24h 54m

$674

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Fri 9/11

4:34 pm-12:25 am

1 stop30h 51m

Rio de Janeiro–Galeão Intl

Sun 9/13

5:10 am-4:20 am

1 stop24h 10m

$675

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Wed 10/14

8:03 am-10:15 am

1 stop25h 12m

Rio de Janeiro–Galeão Intl

Thu 10/22

9:00 pm-6:48 pm

1 stop22h 48m

$705

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Thu 9/3

2:25 am-12:25 am

1 stop21h 00m

Rio de Janeiro–Galeão Intl

Sat 9/12

5:10 am-12:32 am

1 stop20h 22m

$713

Washington, D.C.Brasilia

IAD - BSB

IADBSB

Washington, D.C. Dulles Intl

Sun 11/1

5:45 am-8:25 pm

1 stop12h 40m

Brasilia

Wed 11/11

9:00 am-4:30 am

1 stop21h 30m

$763

Washington, D.C.Brasilia

IAD - BSB

IADBSB

Washington, D.C. Dulles Intl

Fri 9/18

4:34 pm-12:45 am

1 stop31h 11m

Brasilia

Fri 9/25

2:00 am-12:32 am

1 stop23h 32m

$771

Washington, D.C.Brasilia

IAD - BSB

IADBSB

Washington, D.C. Dulles Intl

Thu 10/29

2:25 am-12:45 am

1 stop21h 20m

Brasilia

Sat 11/7

1:55 am-3:15 am

1 stop27h 20m

$771

Washington, D.C.Brasilia

IAD - BSB

IADBSB

Washington, D.C. Dulles Intl

Sun 11/1

2:35 pm-10:50 am

2 stops18h 15m

Brasilia

Wed 11/11

9:00 am-4:30 am

1 stop21h 30m

$790

Washington, D.C.Brasilia

IAD - BSB

IADBSB

Washington, D.C. Dulles Intl

Fri 10/30

3:35 pm-10:55 am

2 stops18h 20m

Brasilia

Sun 11/8

9:00 am-4:25 am

1 stop21h 25m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Brazil

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brazil (average of $645). Flying from Washington, D.C. Dulles Intl Airport to Brazil in December is currently the most expensive (average of $1,193). 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 BR?

Find hourly flight availability from Dulles Intl to Brazil. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Brazil, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Explore weekly flight availability from Dulles Intl to Brazil. 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 August 1, 2026.

The most flights from IAD to BR0 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Brazil is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Brazil

Get insights into the airlines that provide service to Brazil. 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 Brazil. Reviews last updated August 1, 2026.
Read reviews from past customers who have flown Copa Airlines,LATAM Airlines, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Brazil. 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.
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class
Copa Airlines
7.6
Good
1,562 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class
LATAM Airlines
7.4
Good
1,967 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class
United Airlines
7.4
Good
10,063 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class
GOL
7.3
Good
1,265 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class
Avianca
6.5
Okay
2,522 reviews
Copa Airlines
7.6
Good
1,562 reviews

Boarding

7.8

Comfort

7.4

Crew

8.1

Food

6.9

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Brazil. 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 Brazil?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Brazil in 25h 12m. Fly via United Airlines, Copa Airlines, or Delta to get the fastest option. There are 4803 mi between Washington, D.C. Dulles Intl Airport and Brazil. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $178. Users have also found prices from $180 and $276 on Copa Airlines and GOL, respectively.

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

    While some choose either Washington, D.C. Dulles Intl - Sao Paulo Guarulhos Intl or Washington, D.C. Dulles Intl - Rio de Janeiro Santos Dumont, Washington, D.C. Dulles Intl - Rio de Janeiro–Galeão Intl is the most popular route from Washington, D.C. Dulles Intl Airport to Brazil.

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

    On average you can expect to pay $3,123 for a flight from Washington, D.C. Dulles Intl Airport to Brazil. The cheapest flight overall is $411 while the most popular route, (Washington, D.C. Dulles Intl - Rio de Janeiro–Galeão Intl) is currently priced at $643.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Brazil 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 Brazil?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Brazil (average of $645). Flying from Washington, D.C. Dulles Intl Airport to Brazil in December is currently the most expensive (average of $1,193). 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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Top 6 airlines flying from Dulles Intl to Brazil

Discover the top 6 airlines that operate flights from Dulles Intl to Brazil. 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$200Average$705FlexibilityNo cancel feeOn-time70%
DeltaCheapest$265Average$1,124FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$270Average$800FlexibilityNo cancel feeOn-time71%
GOLCheapest$341Average$710FlexibilityNo cancel feeOn-time74%
LATAM AirlinesCheapest$529Average$754FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$584Average$883FlexibilityNo cancel feeOn-time69%

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