Rio de Janeiro

$233+ Cheap flights from Dulles Intl (IAD) to Rio de Janeiro, Brazil (RIO)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — RIO
Aug 25 — Sep 11
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Rio de Janeiro are usually found in November or October, booked 85 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Dulles Intl to Rio de Janeiro

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Rio de Janeiro (RIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$528
(Priceline)

One-way from

$233
(Priceline)

Popular in

December

Cheapest in

November

Average price

$644
From Washington, D.C. Dulles Intl to Rio de Janeiro (RIO)
One-way flight from Washington, D.C. Dulles Intl to Rio de Janeiro (RIO)
Highest demand for flights based on searches. 22% potential increase in price ($211 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($62 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Dulles Intl to Rio de Janeiro

Cheapest flights from Dulles Intl to Rio de Janeiro
Explore the most affordable flight options available from Dulles Intl to Rio de Janeiro. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Orbitz deal was found by Cheapflights users on 8/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:00 amIAD - GIG
1 stop22h 20mMultiple Airlines
Sun 11/29:30 pmGIG - IAD
1 stop16h 01mMultiple Airlines
Deal found 8/20$524
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:00 amIAD - GIG
1 stop22h 20mAvianca
Tue 10/71:30 amGIG - IAD
1 stop13h 30mAvianca
Deal found 8/18$528
This Priceline deal was found by Cheapflights users on 8/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:05 pmIAD - GIG
2 stops30h 20mAvianca
Tue 9/231:30 amGIG - IAD
1 stop13h 30mAvianca
Deal found 8/20$529
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/13:20 pmIAD - GIG
1 stop32h 05mMultiple Airlines
Wed 9/175:05 amGIG - IAD
1 stop20h 25mMultiple Airlines
Deal found 8/18$538
This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:25 pmIAD - GIG
2 stops28h 00mAvianca
Wed 9/241:30 amGIG - IAD
1 stop13h 30mAvianca
Deal found 8/19$539
This lastminute.com deal was found by Cheapflights users on 8/20. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:25 pmIAD - GIG
2 stops28h 00mMultiple Airlines
Fri 10/310:05 amGIG - IAD
1 stop15h 25mMultiple Airlines
Deal found 8/20$540
This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:30 amIAD - GIG
2 stops23h 55mAvianca
Mon 11/171:45 amGIG - IAD
1 stop13h 30mAvianca
Deal found 8/19$546
This Priceline deal was found by Cheapflights users on 8/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/304:30 amIAD - GIG
2 stops42h 10mAvianca
Sat 12/131:45 amGIG - IAD
3 stops24h 25mAvianca
Deal found 8/20$547
This Flighttix deal was found by Cheapflights users on 8/19. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:41 pmIAD - SDU
2 stops21h 39mAir Canada
Wed 9/2411:25 amSDU - IAD
2 stops28h 00mAir Canada
Deal found 8/19$614
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:08 pmIAD - SDU
2 stops24h 12mLATAM Airlines
Mon 9/228:20 pmSDU - IAD
2 stops23h 19mLATAM Airlines
Deal found 8/18$619
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:45 amIAD - SDU
2 stops27h 35mAir Canada
Wed 9/2411:25 amSDU - IAD
2 stops34h 40mAir Canada
Deal found 8/20$622
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:45 amIAD - SDU
2 stops26h 35mAir Canada
Tue 12/211:25 amSDU - IAD
2 stops30h 56mAir Canada
Deal found 8/18$623

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Rio de Janeiro 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 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro that are best for you.

Fly from

Dulles Intl

Fly to

Rio de Janeiro

Route

Depart

Return

Price

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Mon 10/27

6:45 am-6:25 am

1 stop22h 40m

Rio de Janeiro–Galeão Intl

Sun 11/9

9:30 pm-6:42 pm

1 stop23h 12m

$524

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Wed 10/1

7:00 am-6:20 am

1 stop22h 20m

Rio de Janeiro–Galeão Intl

Tue 10/7

1:30 am-2:00 pm

1 stop13h 30m

$528

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Tue 9/23

5:45 am-12:25 am

2 stops17h 40m

Rio de Janeiro–Galeão Intl

Wed 10/1

1:30 am-2:00 pm

1 stop13h 30m

$529

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Thu 10/30

5:15 pm-12:40 am

2 stops30h 25m

Rio de Janeiro–Galeão Intl

Tue 11/4

7:30 am-4:25 am

1 stop22h 55m

$529

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Sun 11/2

3:00 am-6:25 am

2 stops25h 25m

Rio de Janeiro–Galeão Intl

Thu 11/6

1:45 am-1:15 pm

1 stop13h 30m

$529

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Thu 10/2

5:45 am-6:20 am

2 stops23h 35m

Rio de Janeiro–Galeão Intl

Wed 10/8

1:30 am-2:00 pm

1 stop13h 30m

$529

Washington, D.C.Rio de Janeiro

IAD - GIG

IADGIG

Washington, D.C. Dulles Intl

Wed 9/17

5:05 pm-12:25 am

2 stops30h 20m

Rio de Janeiro–Galeão Intl

Tue 9/23

1:30 am-2:00 pm

1 stop13h 30m

$529

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Mon 9/8

3:41 pm-2:20 pm

2 stops21h 39m

Rio de Janeiro Santos Dumont

Wed 9/24

11:25 am-2:25 pm

2 stops28h 00m

$614

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Thu 9/18

12:08 pm-1:20 pm

2 stops24h 12m

Rio de Janeiro Santos Dumont

Mon 9/22

8:20 pm-6:39 pm

2 stops23h 19m

$619

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Wed 9/17

9:45 am-2:20 pm

2 stops27h 35m

Rio de Janeiro Santos Dumont

Wed 9/24

11:25 am-9:05 pm

2 stops34h 40m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 34 results
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Best time to book a flight from Dulles Intl to Rio de Janeiro

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro 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 Rio de Janeiro

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Rio de Janeiro. Price data was last updated on August 8, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro is 85 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.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Rio de Janeiro (average of $755). Flying from Washington, D.C. Dulles Intl Airport to Rio de Janeiro in December is currently the most expensive (average of $1,290). 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 RIO?

Find hourly flight availability from Dulles Intl to Rio de Janeiro. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Rio de Janeiro, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 16% versus a flight at noon.

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro?

Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro chosen by Cheapflights users in the past 12 months, using the same layover each way.

Atlanta (ATL) – chosen by Cheapflights users on 67% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Rio de Janeiro on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro?

Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $804.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Rio de Janeiro?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 13h 45m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro?

Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 53m.

Reviews of airlines servicing Rio de Janeiro

Get insights into the airlines that provide service to Rio de Janeiro. 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 Rio de Janeiro. Reviews last updated August 20, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and Copa Airlines from Washington, D.C. Dulles Intl Airport to Rio de Janeiro to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Rio de Janeiro. 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 Rio de Janeiro?

    Airlines like Avianca, Air Canada, and LATAM Airlines fly from Washington, D.C. Dulles Intl Airport to Rio de Janeiro in about 21h 39m. The time it takes to get you to your destination can typically vary by up to 2h 33m. Washington, D.C. Dulles Intl Airport and Rio de Janeiro are separated by a distance of 4811 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Rio de Janeiro round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro round-trip from $423. Other airlines that can offer you cheap pricing are Avianca, from $476, and Copa Airlines, from $562. Users have found that GOL is 41% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from Dulles Intl to Rio de Janeiro?

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

  • Can I find deals for business class flights from Dulles Intl to Rio de Janeiro?

    Yes. Cheapflights offers flight deals from Dulles Intl to Rio de Janeiro 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 Rio de Janeiro?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Rio de Janeiro (average of $755). Flying from Washington, D.C. Dulles Intl Airport to Rio de Janeiro in December is currently the most expensive (average of $1,290). 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 Rio de Janeiro

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Dulles Intl to Rio de Janeiro

Discover the top 4 airlines that operate flights from Dulles Intl to Rio de Janeiro. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
GOLCheapest$423Average$550FlexibilityNo cancel feeOn-time74%
AviancaCheapest$476Average$608FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$562Average$766FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$627Average$979FlexibilityNo cancel feeOn-time81%

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