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Dulles Intl

$221+ Cheap flights from Rio de Janeiro, Brazil (RIO) to Dulles Intl (IAD)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
RIO — IAD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Rio de Janeiro to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Rio de Janeiro (RIO) to Dulles Intl (IAD). 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 September 17, 2025.

Round-trip from

$410
(United Airlines)

One-way from

$221
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$507
From Rio de Janeiro (RIO) to Washington, D.C. Dulles Intl
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One-way flight from Rio de Janeiro (RIO) to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 12% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Rio de Janeiro to Dulles Intl

Cheapest flights from Rio de Janeiro to Dulles Intl
Explore the most affordable flight options available from Rio de Janeiro to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:05 pmGIG - IAD
1 stop26h 01mUnited Airlines
Tue 10/286:00 amIAD - GIG
1 stop26h 35mUnited Airlines
Deal found 9/14$410
This Avianca deal was found by Cheapflights users on 9/15. 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.
Thu 10/301:45 amGIG - IAD
1 stop13h 30mAvianca
Fri 11/145:45 amIAD - GIG
1 stop16h 55mAvianca
Deal found 9/15$421
This Avianca deal was found by Cheapflights users on 9/15. 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.
Thu 10/301:45 amGIG - IAD
1 stop13h 30mAvianca
Thu 11/132:35 pmIAD - GIG
1 stop13h 50mAvianca
Deal found 9/15$459
This GOL deal was found by Cheapflights users on 9/16. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:50 pmGIG - IAD
2 stops17h 10mGOL
Sun 11/92:35 pmIAD - GIG
1 stop13h 50mGOL
Deal found 9/16$469
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:30 amSDU - IAD
2 stops24h 43mAir Canada
Tue 10/289:45 amIAD - SDU
2 stops30h 05mAir Canada
Deal found 9/14$723
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:20 pmSDU - IAD
2 stops18h 40mMultiple Airlines
Tue 10/285:30 amIAD - SDU
3 stops25h 05mMultiple Airlines
Deal found 9/14$726
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Sat 11/15:30 pmSDU - IAD
2 stops29h 24mAir Canada
Tue 11/189:45 amIAD - SDU
2 stops29h 00mAir Canada
Deal found 9/16$795
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Sun 10/58:30 amSDU - IAD
2 stops22h 05mMultiple Airlines
Tue 10/143:20 pmIAD - SDU
2 stops22h 30mMultiple Airlines
Deal found 9/15$807
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/262:50 pmSDU - IAD
1 stop16h 50mUnited Airlines
Thu 10/3011:30 pmIAD - SDU
1 stop16h 15mUnited Airlines
Deal found 9/16$815
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Wed 9/2411:25 amSDU - IAD
2 stops24h 48mAir Canada
Wed 10/812:41 pmIAD - SDU
2 stops24h 39mAir Canada
Deal found 9/16$912
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 10/52:55 pmSDU - IAD
1 stop16h 30mUnited Airlines
Thu 10/1610:35 pmIAD - SDU
1 stop14h 45mUnited Airlines
Deal found 9/15$930

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro to Dulles Intl 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 September 17, 2025.
Use the filters below to find and compare flights from Rio de Janeiro to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Rio de Janeiro

Fly to

Dulles Intl

Route

Depart

Return

Price

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Fri 11/21

9:30 pm-5:02 pm

1 stop21h 32m

Washington, D.C. Dulles Intl

Tue 12/2

5:59 pm-8:20 am

1 stop12h 21m

$483

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Fri 10/31

5:05 pm-10:11 am

2 stops18h 06m

Washington, D.C. Dulles Intl

Mon 11/10

7:49 pm-2:35 pm

2 stops16h 46m

$496

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Fri 10/31

7:30 am-4:10 am

2 stops21h 40m

Washington, D.C. Dulles Intl

Fri 11/14

4:15 pm-12:40 am

2 stops30h 25m

$505

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Mon 10/27

8:55 pm-11:44 pm

1 stop27h 49m

Washington, D.C. Dulles Intl

Thu 10/30

6:00 am-9:35 am

1 stop26h 35m

$517

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Wed 10/8

7:25 am-2:00 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Mon 10/20

7:00 am-6:20 am

1 stop22h 20m

$540

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Sat 11/1

3:55 pm-5:11 pm

2 stops26h 16m

Washington, D.C. Dulles Intl

Tue 11/18

2:35 pm-6:25 am

1 stop13h 50m

$578

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Sat 11/1

7:30 am-5:25 am

1 stop22h 55m

Washington, D.C. Dulles Intl

Tue 11/18

2:35 pm-6:25 am

1 stop13h 50m

$589

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Mon 11/17

10:15 pm-4:49 pm

2 stops20h 34m

Washington, D.C. Dulles Intl

Sat 11/29

6:35 am-7:35 pm

2 stops35h 00m

$618

Rio de JaneiroWashington, D.C.

GIG - IAD

GIGIAD

Rio de Janeiro–Galeão Intl

Sun 10/26

8:55 pm-11:44 pm

1 stop27h 49m

Washington, D.C. Dulles Intl

Thu 10/30

6:00 am-9:35 am

1 stop26h 35m

$627

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 10/22

8:20 pm-2:00 pm

2 stops18h 40m

Washington, D.C. Dulles Intl

Tue 10/28

5:30 am-7:35 am

3 stops25h 05m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 37 results
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Best time to book a flight from Rio de Janeiro to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Rio de Janeiro 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 Rio de Janeiro to Washington, D.C. Dulles Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Rio de Janeiro to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

Related info for your journey

Find useful and relevant information for your journey from Rio de Janeiro to Dulles Intl. 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 Rio de Janeiro to Washington, D.C. Dulles Intl Airport?

    Delta, Avianca, and Air Canada can get you from Rio de Janeiro to Washington, D.C. Dulles Intl Airport in just under 21h 32m. Your travel time can differ by up to 7h 52m. The distance from Rio de Janeiro to Washington, D.C. Dulles Intl Airport is about 4803 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is GOL, with whom users have recently found tickets for as low as $224. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Rio de Janeiro to Washington, D.C. Dulles Intl Airport for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rio de Janeiro to Dulles Intl 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 Rio de Janeiro to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Rio de Janeiro to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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Alternative routes for Rio de Janeiro to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Rio de Janeiro–Galeão Intl to Dulles Intl flights
Rio de Janeiro–Galeão Intl to Reagan-National flights
Rio de Janeiro–Galeão Intl to Baltimore flights
Santos Dumont to Dulles Intl flights

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