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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 10/31. 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. (SDU-IAD)

Cheap round-trip flights

LATAM Airlines Logo
8:05 pm - 11:57 amSDU-IAD
16h 52m2 stops
LATAM Airlines Logo
6:00 am - 9:25 amIAD-SDU
25h 25m2 stops
$712LATAM Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 13
Air Canada Logo
5:30 pm - 9:59 pmSDU-IAD
29h 29m2 stops
Air Canada Logo
9:45 am - 4:45 pmIAD-SDU
29h 00m2 stops
$721Air Canada
Find Deal
Sat, Nov 1 - Tue, Nov 18
Air Canada Logo
5:30 pm - 9:59 pmSDU-IAD
29h 29m2 stops
Air Canada Logo
1:20 pm - 4:45 pmIAD-SDU
25h 25m2 stops
$722Air Canada
Find Deal
Sat, Nov 1 - Tue, Nov 18
United Airlines Logo
2:55 pm - 6:35 amSDU-IAD
17h 40m1 stop
United Airlines Logo
10:30 pm - 2:20 pmIAD-SDU
13h 50m1 stop
$858United Airlines
Find Deal
Sun, Nov 2 - Mon, Nov 10
United Airlines Logo
2:55 pm - 11:28 amSDU-IAD
22h 33m2 stops
United Airlines Logo
10:30 pm - 2:20 pmIAD-SDU
13h 50m1 stop
$863United Airlines
Find Deal
Sun, Nov 2 - Mon, Nov 10
Delta Logo
8:05 pm - 12:00 pmSDU-IAD
17h 55m2 stops
Delta Logo
1:00 pm - 9:35 amIAD-SDU
18h 35m2 stops
$1,228Delta
Find Deal
Sat, Feb 7 - Fri, Feb 20
Delta Logo
8:05 pm - 12:00 pmSDU-IAD
17h 55m2 stops
Delta Logo
1:00 pm - 9:35 amIAD-SDU
18h 35m2 stops
$1,229Delta
Find Deal
Sat, Feb 7 - Fri, Feb 20
Logo
6:10 am - 5:35 amSDU-IAD
24h 25m3 stops
Logo
3:20 pm - 8:40 amIAD-SDU
16h 20m2 stops
$1,330
Find Deal
Sat, Sep 13 - Fri, Sep 19
Azul Logo
10:05 am - 9:17 pmSDU-IAD
37h 12m2 stops
Azul Logo
12:40 pm - 1:00 pmIAD-SDU
22h 20m2 stops
$1,864Azul
Find Deal
Fri, Feb 13 - Tue, Feb 17
Azul Logo
6:10 am - 9:17 pmSDU-IAD
41h 07m2 stops
Azul Logo
2:14 pm - 1:00 pmIAD-SDU
20h 46m2 stops
$1,866Azul
Find Deal
Fri, Feb 13 - Tue, Feb 17

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

Our best LATAM Airlines deals on Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport flight tickets
LATAM Airlines
Oct 31
SDU8:05 pmRio de Janeiro Santos Dumont
16h 52m
2 stops
IAD11:57 amWashington, D.C. Dulles Intl
Nov 13
IAD6:00 amWashington, D.C. Dulles Intl
25h 25m
2 stops
SDU9:25 amRio de Janeiro Santos Dumont
$712
Find similar
LATAM Airlines
Nov 2
SDU8:05 pmRio de Janeiro Santos Dumont
17h 52m
2 stops
IAD11:57 amWashington, D.C. Dulles Intl
Nov 13
IAD10:05 amWashington, D.C. Dulles Intl
21h 20m
2 stops
SDU9:25 amRio de Janeiro Santos Dumont
$876
Find similar
LATAM Airlines
Oct 31
SDU8:05 pmRio de Janeiro Santos Dumont
16h 52m
2 stops
IAD11:57 amWashington, D.C. Dulles Intl
Nov 14
IAD7:49 pmWashington, D.C. Dulles Intl
15h 26m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
$909
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 13
SDU10:05 amRio de Janeiro Santos Dumont
37h 12m
2 stops
IAD9:17 pmWashington, D.C. Dulles Intl
Feb 17
IAD12:40 pmWashington, D.C. Dulles Intl
22h 20m
2 stops
SDU1:00 pmRio de Janeiro Santos Dumont
$1,864
Find similar
Azul
Feb 13
SDU6:10 amRio de Janeiro Santos Dumont
41h 07m
2 stops
IAD9:17 pmWashington, D.C. Dulles Intl
Feb 17
IAD2:14 pmWashington, D.C. Dulles Intl
20h 46m
2 stops
SDU1:00 pmRio de Janeiro Santos Dumont
$1,866
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 August 28, 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

Fri 10/31

8:05 pm-11:57 am

2 stops16h 52m

Washington, D.C. Dulles Intl

Thu 11/13

6:00 am-9:25 am

2 stops25h 25m

$712

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 11/1

5:30 pm-9:59 pm

2 stops29h 29m

Washington, D.C. Dulles Intl

Tue 11/18

9:45 am-4:45 pm

2 stops29h 00m

$721

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 11/1

5:30 pm-9:59 pm

2 stops29h 29m

Washington, D.C. Dulles Intl

Tue 11/18

1:20 pm-4:45 pm

2 stops25h 25m

$722

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 11/2

2:55 pm-6:35 am

1 stop17h 40m

Washington, D.C. Dulles Intl

Mon 11/10

10:30 pm-2:20 pm

1 stop13h 50m

$858

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 11/2

2:55 pm-11:28 am

2 stops22h 33m

Washington, D.C. Dulles Intl

Mon 11/10

10:30 pm-2:20 pm

1 stop13h 50m

$863

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 2/7

8:05 pm-12:00 pm

2 stops17h 55m

Washington, D.C. Dulles Intl

Fri 2/20

1:00 pm-9:35 am

2 stops18h 35m

$1,228

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 2/7

8:05 pm-12:00 pm

2 stops17h 55m

Washington, D.C. Dulles Intl

Fri 2/20

1:00 pm-9:35 am

2 stops18h 35m

$1,229

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 9/13

6:10 am-5:35 am

3 stops24h 25m

Washington, D.C. Dulles Intl

Fri 9/19

3:20 pm-8:40 am

2 stops16h 20m

$1,330

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 2/13

10:05 am-9:17 pm

2 stops37h 12m

Washington, D.C. Dulles Intl

Tue 2/17

12:40 pm-1:00 pm

2 stops22h 20m

$1,864

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 2/13

6:10 am-9:17 pm

2 stops41h 07m

Washington, D.C. Dulles Intl

Tue 2/17

2:14 pm-1:00 pm

2 stops20h 46m

$1,866

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

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

Direct flights

None
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 36m.

  • 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Harpers Ferry
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie

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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