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Cheap flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. from $282

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:50 pm - 6:40 am
SDU
-
IAD
17h 50m
1 stop
United Airlines Logo
11:30 pm - 4:45 pm
IAD
-
SDU
16h 15m
1 stop
$686United Airlines
Thu, Mar 12 - Mon, Mar 16
United Airlines Logo
1:50 pm - 6:40 am
SDU
-
IAD
17h 50m
1 stop
United Airlines Logo
11:30 pm - 4:45 pm
IAD
-
SDU
16h 15m
1 stop
$687United Airlines
Thu, Mar 12 - Mon, Mar 16
United Airlines Logo
1:50 pm - 11:59 pm
SDU
-
IAD
35h 09m
2 stops
United Airlines Logo
11:30 pm - 4:45 pm
IAD
-
SDU
16h 15m
1 stop
$692United Airlines
Thu, Mar 12 - Mon, Mar 16
United Airlines Logo
1:50 pm - 11:51 pm
SDU
-
IAD
35h 01m
2 stops
United Airlines Logo
11:30 pm - 4:45 pm
IAD
-
SDU
16h 15m
1 stop
$693United Airlines
Thu, Mar 12 - Mon, Mar 16
Air Canada Logo
1:50 pm - 8:26 pm
SDU
-
IAD
31h 36m
2 stops
Air Canada Logo
9:55 am - 4:45 pm
IAD
-
SDU
29h 50m
2 stops
$739Air Canada
Tue, Mar 10 - Thu, Mar 19
Air Canada Logo
1:50 pm - 3:46 pm
SDU
-
IAD
26h 56m
2 stops
Air Canada Logo
4:30 pm - 4:45 pm
IAD
-
SDU
23h 15m
2 stops
$744Air Canada
Tue, Mar 10 - Wed, Mar 18
United Airlines Logo
1:50 pm - 6:40 am
SDU
-
IAD
17h 50m
1 stop
United Airlines Logo
11:30 pm - 4:45 pm
IAD
-
SDU
16h 15m
1 stop
$751United Airlines
Mon, Mar 9 - Tue, Mar 17
Air Canada Logo
1:50 pm - 3:46 pm
SDU
-
IAD
26h 56m
2 stops
Air Canada Logo
4:30 pm - 4:45 pm
IAD
-
SDU
23h 15m
2 stops
$773Air Canada
Tue, Mar 10 - Wed, Mar 18
LATAM Airlines Logo
8:15 pm - 11:51 am
SDU
-
IAD
16h 36m
2 stops
LATAM Airlines Logo
12:30 pm - 1:10 pm
IAD
-
SDU
23h 40m
2 stops
$794LATAM Airlines
Tue, Aug 4 - Tue, Sep 1
LATAM Airlines Logo
8:15 pm - 11:51 am
SDU
-
IAD
16h 36m
2 stops
LATAM Airlines Logo
12:30 pm - 1:10 pm
IAD
-
SDU
23h 40m
2 stops
$809LATAM Airlines
Tue, Aug 4 - Tue, Sep 1

United Airlines flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Mar 12
SDU1:50 pmRio de Janeiro Santos Dumont
17h 50m
1 stop
IAD6:40 amWashington, D.C. Dulles Intl
Mar 16
IAD11:30 pmWashington, D.C. Dulles Intl
16h 15m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$686
United Airlines
Mar 12
SDU1:50 pmRio de Janeiro Santos Dumont
17h 50m
1 stop
IAD6:40 amWashington, D.C. Dulles Intl
Mar 16
IAD11:30 pmWashington, D.C. Dulles Intl
16h 15m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$687
United Airlines
Mar 12
SDU1:50 pmRio de Janeiro Santos Dumont
35h 09m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
Mar 16
IAD11:30 pmWashington, D.C. Dulles Intl
16h 15m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$692

Air Canada flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Mar 10
SDU1:50 pmRio de Janeiro Santos Dumont
31h 36m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
Mar 19
IAD9:55 amWashington, D.C. Dulles Intl
29h 50m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$739
Air Canada
Mar 10
SDU1:50 pmRio de Janeiro Santos Dumont
26h 56m
2 stops
IAD3:46 pmWashington, D.C. Dulles Intl
Mar 18
IAD4:30 pmWashington, D.C. Dulles Intl
23h 15m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$744
Air Canada
Mar 10
SDU1:50 pmRio de Janeiro Santos Dumont
26h 56m
2 stops
IAD3:46 pmWashington, D.C. Dulles Intl
Mar 18
IAD4:30 pmWashington, D.C. Dulles Intl
23h 15m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$773

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated February 21, 2026.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/12

1:50 pm-6:40 am

1 stop17h 50m

Washington, D.C. Dulles Intl

Mon 3/16

11:30 pm-4:45 pm

1 stop16h 15m

$686

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/12

1:50 pm-6:40 am

1 stop17h 50m

Washington, D.C. Dulles Intl

Mon 3/16

11:30 pm-4:45 pm

1 stop16h 15m

$687

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/12

1:50 pm-11:59 pm

2 stops35h 09m

Washington, D.C. Dulles Intl

Mon 3/16

11:30 pm-4:45 pm

1 stop16h 15m

$692

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/12

1:50 pm-11:51 pm

2 stops35h 01m

Washington, D.C. Dulles Intl

Mon 3/16

11:30 pm-4:45 pm

1 stop16h 15m

$693

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 3/10

1:50 pm-8:26 pm

2 stops31h 36m

Washington, D.C. Dulles Intl

Thu 3/19

9:55 am-4:45 pm

2 stops29h 50m

$739

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 3/10

1:50 pm-3:46 pm

2 stops26h 56m

Washington, D.C. Dulles Intl

Wed 3/18

4:30 pm-4:45 pm

2 stops23h 15m

$744

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 3/9

1:50 pm-6:40 am

1 stop17h 50m

Washington, D.C. Dulles Intl

Tue 3/17

11:30 pm-4:45 pm

1 stop16h 15m

$751

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 3/10

1:50 pm-3:46 pm

2 stops26h 56m

Washington, D.C. Dulles Intl

Wed 3/18

4:30 pm-4:45 pm

2 stops23h 15m

$773

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 8/4

8:15 pm-11:51 am

2 stops16h 36m

Washington, D.C. Dulles Intl

Tue 9/1

12:30 pm-1:10 pm

2 stops23h 40m

$794

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 8/4

8:15 pm-11:51 am

2 stops16h 36m

Washington, D.C. Dulles Intl

Tue 9/1

12:30 pm-1:10 pm

2 stops23h 40m

$809

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 13% on your flight if you consider stops on a Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport (SDU to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time

16h 35m

Direct flights

None
The fastest flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport takes 16h 35m
There are no direct flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport.
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  • How far is Rio de Janeiro Santos Dumont to Washington, D.C. Dulles Intl by plane?

    A flight from Rio de Janeiro Santos Dumont to Washington, D.C. Dulles Intl will travel around 4811.5 mi. In terms of flight time, this usually takes a little over 16h 35m.

  • When did momondo last update prices for flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Colonial Beach
Laurel
Silver Spring
Tysons
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Rio de Janeiro to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Rio de Janeiro.

Can I find flights from Rio de Janeiro to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Rio de Janeiro which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Rio de Janeiro to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Rio de Janeiro. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Rio de Janeiro to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Rio de Janeiro and alert you when they change.

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