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Cheap flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. from $316

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 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Delta Logo
8:15 pm - 2:44 pm
SDU
-
IAD
19h 29m
2 stops
Delta Logo
4:00 pm - 8:35 am
IAD
-
SDU
15h 35m
2 stops
$638Delta
Fri, Sep 18 - Mon, Oct 26
LATAM Airlines Logo
8:15 pm - 12:18 pm
SDU
-
IAD
17h 03m
2 stops
LATAM Airlines Logo
12:29 pm - 1:10 pm
IAD
-
SDU
23h 41m
2 stops
$647LATAM Airlines
Mon, May 25 - Fri, Jun 12
LATAM Airlines Logo
1:55 pm - 12:18 pm
SDU
-
IAD
23h 23m
2 stops
LATAM Airlines Logo
12:29 pm - 1:10 pm
IAD
-
SDU
23h 41m
2 stops
$650LATAM Airlines
Mon, May 25 - Fri, Jun 12
Delta Logo
8:15 pm - 11:59 am
SDU
-
IAD
16h 44m
2 stops
Delta Logo
7:59 pm - 1:10 pm
IAD
-
SDU
16h 11m
2 stops
$652Delta
Fri, Sep 18 - Wed, Oct 28
Multiple Airlines Logo
5:30 pm - 11:14 am
SDU
-
IAD
18h 44m
2 stops
Multiple Airlines Logo
6:00 am - 8:35 am
IAD
-
SDU
25h 35m
2 stops
$728Multiple Airlines
Thu, Jul 30 - Sun, Aug 16
Multiple Airlines Logo
5:30 pm - 11:14 am
SDU
-
IAD
18h 44m
2 stops
Multiple Airlines Logo
6:00 am - 8:35 am
IAD
-
SDU
25h 35m
2 stops
$729Multiple Airlines
Thu, Jul 30 - Sun, Aug 16
Delta Logo
8:15 pm - 11:59 am
SDU
-
IAD
16h 44m
2 stops
Delta Logo
7:50 pm - 1:10 pm
IAD
-
SDU
16h 20m
2 stops
$787Delta
Thu, Sep 17 - Sun, Oct 25
LATAM Airlines Logo
1:55 pm - 12:18 pm
SDU
-
IAD
23h 23m
2 stops
LATAM Airlines Logo
12:29 pm - 1:10 pm
IAD
-
SDU
23h 41m
2 stops
$796LATAM Airlines
Fri, May 29 - Sat, Jun 13
LATAM Airlines Logo
8:15 pm - 12:18 pm
SDU
-
IAD
17h 03m
2 stops
LATAM Airlines Logo
12:29 pm - 1:10 pm
IAD
-
SDU
23h 41m
2 stops
$797LATAM Airlines
Mon, May 25 - Sat, Jun 13
LATAM Airlines Logo
8:15 pm - 11:48 am
SDU
-
IAD
16h 33m
2 stops
LATAM Airlines Logo
12:29 pm - 1:10 pm
IAD
-
SDU
23h 41m
2 stops
$798LATAM Airlines
Fri, Jun 19 - Sun, Jul 5

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

Our best Azul deals on Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport flight tickets
Azul
Jul 30
SDU5:05 pmRio de Janeiro Santos Dumont
19h 09m
2 stops
IAD11:14 amWashington, D.C. Dulles Intl
Aug 16
IAD3:33 pmWashington, D.C. Dulles Intl
20h 27m
2 stops
SDU1:00 pmRio de Janeiro Santos Dumont
$840
Azul
May 5
SDU4:40 pmRio de Janeiro Santos Dumont
23h 15m
2 stops
IAD2:55 pmWashington, D.C. Dulles Intl
May 19
IAD5:50 pmWashington, D.C. Dulles Intl
18h 00m
2 stops
SDU12:50 pmRio de Janeiro Santos Dumont
$853
Azul
Jul 30
SDU11:25 amRio de Janeiro Santos Dumont
24h 49m
2 stops
IAD11:14 amWashington, D.C. Dulles Intl
Aug 16
IAD5:22 pmWashington, D.C. Dulles Intl
24h 18m
2 stops
SDU6:40 pmRio de Janeiro Santos Dumont
$918

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
Jun 4
SDU1:45 pmRio de Janeiro Santos Dumont
35h 46m
2 stops
IAD12:31 amWashington, D.C. Dulles Intl
Jun 14
IAD10:30 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$821
United Airlines
May 27
SDU1:45 pmRio de Janeiro Santos Dumont
17h 40m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
Jun 14
IAD10:30 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$962
United Airlines
May 27
SDU1:45 pmRio de Janeiro Santos Dumont
17h 40m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
Jun 14
IAD10:30 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$966

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 April 12, 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

Cheapest round-trip

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 9/18

8:15 pm-2:44 pm

2 stops19h 29m

Washington, D.C. Dulles Intl

Mon 10/26

4:00 pm-8:35 am

2 stops15h 35m

$638

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 5/25

8:15 pm-12:18 pm

2 stops17h 03m

Washington, D.C. Dulles Intl

Fri 6/12

12:29 pm-1:10 pm

2 stops23h 41m

$647

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 5/25

1:55 pm-12:18 pm

2 stops23h 23m

Washington, D.C. Dulles Intl

Fri 6/12

12:29 pm-1:10 pm

2 stops23h 41m

$650
Quickest round-trip

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 9/18

8:15 pm-11:59 am

2 stops16h 44m

Washington, D.C. Dulles Intl

Wed 10/28

7:59 pm-1:10 pm

2 stops16h 11m

$652

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 7/30

5:30 pm-11:14 am

2 stops18h 44m

Washington, D.C. Dulles Intl

Sun 8/16

6:00 am-8:35 am

2 stops25h 35m

$728

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 7/30

5:30 pm-11:14 am

2 stops18h 44m

Washington, D.C. Dulles Intl

Sun 8/16

6:00 am-8:35 am

2 stops25h 35m

$729

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 9/17

8:15 pm-11:59 am

2 stops16h 44m

Washington, D.C. Dulles Intl

Sun 10/25

7:50 pm-1:10 pm

2 stops16h 20m

$787

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 5/29

1:55 pm-12:18 pm

2 stops23h 23m

Washington, D.C. Dulles Intl

Sat 6/13

12:29 pm-1:10 pm

2 stops23h 41m

$796

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 5/25

8:15 pm-12:18 pm

2 stops17h 03m

Washington, D.C. Dulles Intl

Sat 6/13

12:29 pm-1:10 pm

2 stops23h 41m

$797

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 6/19

8:15 pm-11:48 am

2 stops16h 33m

Washington, D.C. Dulles Intl

Sun 7/5

12:29 pm-1:10 pm

2 stops23h 41m

$798

Flights are sorted by cheapest round-trip flights 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 45% 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

18h 44m

Direct flights

None
The fastest flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport takes 18h 44m
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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Frequently asked questions about flying from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport

  • 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 18h 44m.

  • 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
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Manassas
Sterling
Tysons
Linthicum Heights
Bethesda
Fairfax

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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