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Cheap flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. from $273

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 6/5. 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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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
1:45 pm - 6:40 am
SDU
-
IAD
17h 55m1 stop
United Airlines Logo
6:15 am - 4:40 pm
IAD
-
SDU
33h 25m2 stops
$662United Airlines
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
1:45 pm - 6:40 am
SDU
-
IAD
17h 55m1 stop
United Airlines Logo
11:30 pm - 4:40 pm
IAD
-
SDU
16h 10m1 stop
$664United Airlines
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
1:45 pm - 12:05 am
SDU
-
IAD
35h 20m2 stops
United Airlines Logo
10:31 pm - 4:40 pm
IAD
-
SDU
41h 09m2 stops
$667United Airlines
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
1:45 pm - 11:49 am
SDU
-
IAD
23h 04m2 stops
United Airlines Logo
11:30 pm - 4:40 pm
IAD
-
SDU
16h 10m1 stop
$750United Airlines
Thu, Mar 19 - Mon, Mar 23
LATAM Airlines Logo
8:05 pm - 12:39 pm
SDU
-
IAD
17h 34m2 stops
LATAM Airlines Logo
3:35 pm - 9:35 am
IAD
-
SDU
17h 00m2 stops
$795LATAM Airlines
Sun, Mar 15 - Fri, Mar 20
Air Canada Logo
1:45 pm - 6:58 pm
SDU
-
IAD
30h 13m2 stops
Air Canada Logo
9:45 am - 4:45 pm
IAD
-
SDU
30h 00m2 stops
$853Air Canada
Wed, May 6 - Wed, Jun 3
Air Canada Logo
1:45 pm - 6:58 pm
SDU
-
IAD
30h 13m2 stops
Air Canada Logo
9:45 am - 4:45 pm
IAD
-
SDU
30h 00m2 stops
$856Air Canada
Wed, May 6 - Wed, Jun 3
Air Canada Logo
1:45 pm - 3:46 pm
SDU
-
IAD
27h 01m2 stops
Air Canada Logo
4:30 pm - 4:40 pm
IAD
-
SDU
23h 10m2 stops
$948Air Canada
Thu, Mar 19 - Mon, Mar 23
Air Canada Logo
1:45 pm - 2:24 pm
SDU
-
IAD
25h 39m2 stops
Air Canada Logo
9:55 am - 4:45 pm
IAD
-
SDU
29h 50m2 stops
$1,020Air Canada
Fri, Apr 24 - Thu, May 21
Air Canada Logo
1:45 pm - 11:23 am
SDU
-
IAD
22h 38m2 stops
Air Canada Logo
9:55 am - 4:45 pm
IAD
-
SDU
29h 50m2 stops
$1,083Air Canada
Fri, Apr 24 - Thu, May 21

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
May 6
SDU1:45 pmRio de Janeiro Santos Dumont
30h 13m
2 stops
IAD6:58 pmWashington, D.C. Dulles Intl
Jun 3
IAD9:45 amWashington, D.C. Dulles Intl
30h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$853
Find similar
Air Canada
May 6
SDU1:45 pmRio de Janeiro Santos Dumont
30h 13m
2 stops
IAD6:58 pmWashington, D.C. Dulles Intl
Jun 3
IAD9:45 amWashington, D.C. Dulles Intl
30h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$856
Find similar
Air Canada
Mar 19
SDU1:45 pmRio de Janeiro Santos Dumont
27h 01m
2 stops
IAD3:46 pmWashington, D.C. Dulles Intl
Mar 23
IAD4:30 pmWashington, D.C. Dulles Intl
23h 10m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$948
Find similar

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
Feb 22
SDU6:55 pmRio de Janeiro Santos Dumont
18h 29m
2 stops
IAD11:24 amWashington, D.C. Dulles Intl
Mar 12
IAD5:55 pmWashington, D.C. Dulles Intl
18h 05m
2 stops
SDU1:00 pmRio de Janeiro Santos Dumont
$1,541
Find similar
Azul
Feb 22
SDU7:25 pmRio de Janeiro Santos Dumont
17h 59m
2 stops
IAD11:24 amWashington, D.C. Dulles Intl
Mar 12
IAD12:40 pmWashington, D.C. Dulles Intl
23h 20m
2 stops
SDU1:00 pmRio de Janeiro Santos Dumont
$1,577
Find similar
Azul
Feb 22
SDU6:55 pmRio de Janeiro Santos Dumont
18h 29m
2 stops
IAD11:24 amWashington, D.C. Dulles Intl
Mar 12
IAD12:40 pmWashington, D.C. Dulles Intl
23h 20m
2 stops
SDU1:00 pmRio de Janeiro Santos Dumont
$1,581
Find similar

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 December 26, 2025.
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 3/19

1:45 pm-6:40 am

1 stop17h 55m

Washington, D.C. Dulles Intl

Mon 3/23

6:15 am-4:40 pm

2 stops33h 25m

$662

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-6:40 am

1 stop17h 55m

Washington, D.C. Dulles Intl

Mon 3/23

11:30 pm-4:40 pm

1 stop16h 10m

$664

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-12:05 am

2 stops35h 20m

Washington, D.C. Dulles Intl

Mon 3/23

10:31 pm-4:40 pm

2 stops41h 09m

$667

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-11:49 am

2 stops23h 04m

Washington, D.C. Dulles Intl

Mon 3/23

11:30 pm-4:40 pm

1 stop16h 10m

$750

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 3/15

8:05 pm-12:39 pm

2 stops17h 34m

Washington, D.C. Dulles Intl

Fri 3/20

3:35 pm-9:35 am

2 stops17h 00m

$795

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 5/6

1:45 pm-6:58 pm

2 stops30h 13m

Washington, D.C. Dulles Intl

Wed 6/3

9:45 am-4:45 pm

2 stops30h 00m

$853

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 5/6

1:45 pm-6:58 pm

2 stops30h 13m

Washington, D.C. Dulles Intl

Wed 6/3

9:45 am-4:45 pm

2 stops30h 00m

$856

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-3:46 pm

2 stops27h 01m

Washington, D.C. Dulles Intl

Mon 3/23

4:30 pm-4:40 pm

2 stops23h 10m

$948

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 4/24

1:45 pm-2:24 pm

2 stops25h 39m

Washington, D.C. Dulles Intl

Thu 5/21

9:55 am-4:45 pm

2 stops29h 50m

$1,020

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 4/24

1:45 pm-11:23 am

2 stops22h 38m

Washington, D.C. Dulles Intl

Thu 5/21

9:55 am-4:45 pm

2 stops29h 50m

$1,083

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Rio de Janeiro Santos Dumont Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $856 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $905 on average. Flights to Washington, D.C. Dulles Intl Airport from Rio de Janeiro Santos Dumont Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 74% 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

17h 10m

Direct flights

None
The fastest flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport takes 17h 10m
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 17h 10m.

  • 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
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
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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