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$314+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GRU
Sep 17 — Sep 241
Thu 9/17
Thu 9/24
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 18, 2026.

This Avianca deal was found by Cheapflights users on 8/18. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:35 pm -
1 stop11h 25m
Sun 11/154:05 am -
1 stop10h 10m
Deal found 8/18$632
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 11/102:35 pm -
1 stop27h 50m
Wed 11/189:00 am -
1 stop21h 30m
Deal found 8/13$634
This Copa Airlines deal was found by Cheapflights users on 8/18. 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 11/18:32 am -
1 stop16h 53m
Sat 11/143:25 am -
1 stop24h 50m
Deal found 8/18$635
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sun 11/85:45 am -
1 stop12h 40m
Wed 11/189:00 am -
1 stop21h 30m
Deal found 8/13$636
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 11/102:35 pm -
1 stop27h 50m
Sat 11/149:00 pm -
2 stops18h 15m
Deal found 8/13$637
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 11/95:45 am -
1 stop12h 40m
Sun 11/159:00 am -
1 stop21h 25m
Deal found 8/13$638
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sun 11/85:45 am -
1 stop12h 40m
Tue 11/1711:40 am -
2 stops18h 45m
Deal found 8/13$639
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sun 11/85:45 am -
1 stop12h 40m
Sun 11/159:00 pm -
2 stops18h 15m
Deal found 8/13$644
This Gotogate deal was found by Cheapflights users on 8/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:35 pm -
2 stops31h 05m
Sun 10/48:50 am -
1 stop30h 25m
Deal found 8/13$645
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/303:35 pm -
1 stop14h 10m
Fri 10/3011:40 am -
2 stops18h 50m
Deal found 8/14$647
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 11/165:45 am -
1 stop12h 40m
Thu 11/199:00 pm -
2 stops18h 15m
Deal found 8/17$649
This Gotogate deal was found by Cheapflights users on 8/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:50 am -
2 stops26h 50m
Sun 10/48:50 am -
1 stop21h 30m
Deal found 8/17$651

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$634
(Kiwi.com)

One-way from

$314
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$998

Good round-trip deal

$943 or less

Good one-way deal

$406 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. 7% potential increase in price ($69 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 18, 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.Manaus

IAD Washington, D.C. Dulles Intl - MAO Manaus Eduardo Gomes Intl

IADMAO

Washington, D.C. Dulles Intl

Sun 11/1

8:32 am-2:25 am

1 stop16h 53m

Manaus Eduardo Gomes Intl

Sat 11/14

3:25 am-3:15 am

1 stop24h 50m

$635

Washington, D.C.Manaus

IAD Washington, D.C. Dulles Intl - MAO Manaus Eduardo Gomes Intl

IADMAO

Washington, D.C. Dulles Intl

Mon 9/14

2:25 am-2:30 am

1 stop24h 05m

Manaus Eduardo Gomes Intl

Sun 9/20

3:40 am-12:32 am

1 stop20h 52m

$635

Washington, D.C.Brasilia

IAD Washington, D.C. Dulles Intl - BSB Brasilia

IADBSB

Washington, D.C. Dulles Intl

Sun 11/15

2:35 pm-8:25 pm

1 stop27h 50m

Brasilia

Fri 11/20

9:00 am-4:30 am

1 stop21h 30m

$644

Washington, D.C.Brasilia

IAD Washington, D.C. Dulles Intl - BSB Brasilia

IADBSB

Washington, D.C. Dulles Intl

Mon 11/16

5:45 am-8:25 pm

1 stop12h 40m

Brasilia

Fri 11/20

9:35 pm-1:15 pm

2 stops17h 40m

$649

Washington, D.C.Brasilia

IAD Washington, D.C. Dulles Intl - BSB Brasilia

IADBSB

Washington, D.C. Dulles Intl

Mon 11/16

5:45 am-8:25 pm

1 stop12h 40m

Brasilia

Thu 11/19

9:00 pm-1:15 pm

2 stops18h 15m

$649

Washington, D.C.Brasilia

IAD Washington, D.C. Dulles Intl - BSB Brasilia

IADBSB

Washington, D.C. Dulles Intl

Fri 10/30

6:45 am-8:25 pm

1 stop12h 40m

Brasilia

Sun 11/8

9:00 am-1:15 pm

1 stop30h 15m

$657

Washington, D.C.Brasilia

IAD Washington, D.C. Dulles Intl - BSB Brasilia

IADBSB

Washington, D.C. Dulles Intl

Fri 9/18

3:35 pm-7:10 am

1 stop14h 35m

Brasilia

Sat 9/26

11:15 am-2:15 pm

2 stops28h 00m

$661

Washington, D.C.Brasilia

IAD Washington, D.C. Dulles Intl - BSB Brasilia

IADBSB

Washington, D.C. Dulles Intl

Mon 9/21

6:50 am-6:30 pm

2 stops34h 40m

Brasilia

Sun 10/4

11:15 am-5:20 am

2 stops19h 05m

$661

Washington, D.C.Brasilia

IAD Washington, D.C. Dulles Intl - BSB Brasilia

IADBSB

Washington, D.C. Dulles Intl

Tue 9/22

6:50 am-10:40 am

2 stops26h 50m

Brasilia

Sun 10/4

8:50 am-5:20 am

1 stop21h 30m

$664

Washington, D.C.Brasilia

IAD Washington, D.C. Dulles Intl - BSB Brasilia

IADBSB

Washington, D.C. Dulles Intl

Fri 9/18

3:35 pm-10:25 am

2 stops17h 50m

Brasilia

Sat 9/26

9:00 pm-2:15 pm

2 stops18h 15m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 $657). Flying from Washington, D.C. Dulles Intl Airport to Brazil in December is currently the most expensive (average of $1,203). 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 18, 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 18, 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 76 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 18, 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
1,557 reviews

Food

6.9

Boarding

7.8

Comfort

7.4

Crew

8.1

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
1,557 reviews
Copa Airlines
7.6
Good
1,557 reviews

Food

6.9

Boarding

7.8

Comfort

7.4

Crew

8.1

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
1,986 reviews
Copa Airlines
7.6
Good
1,557 reviews

Food

6.9

Boarding

7.8

Comfort

7.4

Crew

8.1

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
10,100 reviews
Copa Airlines
7.6
Good
1,557 reviews

Food

6.9

Boarding

7.8

Comfort

7.4

Crew

8.1

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
1,276 reviews
Copa Airlines
7.6
Good
1,557 reviews

Food

6.9

Boarding

7.8

Comfort

7.4

Crew

8.1

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
2,540 reviews
Copa Airlines
7.6
Good
1,557 reviews

Food

6.9

Boarding

7.8

Comfort

7.4

Crew

8.1

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 9h 55m. Fly via Copa Airlines, GOL, or United Airlines to get the fastest option. There are 4749 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 $3,173 for a flight from Washington, D.C. Dulles Intl Airport to Brazil. The cheapest flight overall is $396 while the most popular route, (Washington, D.C. Dulles Intl - Rio de Janeiro–Galeão Intl) is currently priced at $591.

  • 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 $657). Flying from Washington, D.C. Dulles Intl Airport to Brazil in December is currently the most expensive (average of $1,203). 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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$200Average$685FlexibilityNo cancel feeOn-time70%
DeltaCheapest$265Average$1,124FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$270Average$751FlexibilityNo cancel feeOn-time71%
GOLCheapest$341Average$709FlexibilityNo cancel feeOn-time74%
LATAM AirlinesCheapest$499Average$745FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$645Average$916FlexibilityNo cancel feeOn-time69%

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