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Cheap flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. from $343

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 11/12. 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 - 9:23 pmSDU-IAD
33h 38m2 stops
United Airlines Logo
6:03 am - 2:10 pmIAD-SDU
30h 07m2 stops
$865United Airlines
Find Deal
Mon, Nov 17 - Mon, Jan 19
LATAM Airlines Logo
8:20 pm - 11:53 amSDU-IAD
16h 33m2 stops
LATAM Airlines Logo
4:00 pm - 12:50 pmIAD-SDU
19h 50m2 stops
$1,001LATAM Airlines
Find Deal
Sun, Mar 29 - Mon, Mar 30
United Airlines Logo
2:50 pm - 11:28 amSDU-IAD
22h 38m2 stops
United Airlines Logo
12:40 pm - 4:45 pmIAD-SDU
26h 05m2 stops
$1,013United Airlines
Find Deal
Sun, Nov 16 - Mon, Nov 24
United Airlines Logo
1:45 pm - 6:35 amSDU-IAD
18h 50m1 stop
United Airlines Logo
10:30 pm - 2:10 pmIAD-SDU
13h 40m1 stop
$1,057United Airlines
Find Deal
Mon, Nov 17 - Mon, Jan 19
LATAM Airlines Logo
8:05 pm - 11:39 amSDU-IAD
17h 34m2 stops
LATAM Airlines Logo
5:59 pm - 1:15 pmIAD-SDU
17h 16m2 stops
$1,104LATAM Airlines
Find Deal
Tue, Dec 2 - Sun, Dec 7
Air Canada Logo
11:20 am - 8:30 pmSDU-IAD
35h 10m2 stops
Air Canada Logo
9:45 am - 2:20 pmIAD-SDU
26h 35m2 stops
$1,120Air Canada
Find Deal
Fri, Feb 13 - Tue, Feb 17
Air Canada Logo
11:20 am - 3:50 pmSDU-IAD
30h 30m2 stops
Air Canada Logo
1:13 pm - 4:45 pmIAD-SDU
25h 32m2 stops
$1,121Air Canada
Find Deal
Thu, Feb 12 - Sun, Feb 22
Azul Logo
6:20 am - 9:25 pmSDU-IAD
17h 05m2 stops
Azul Logo
5:25 pm - 1:00 pmIAD-SDU
17h 35m2 stops
$1,699Azul
Find Deal
Sat, Nov 15 - Sun, Nov 23
Azul Logo
6:15 am - 9:16 pmSDU-IAD
17h 01m2 stops
Azul Logo
12:35 pm - 2:35 pmIAD-SDU
24h 00m2 stops
$1,760Azul
Find Deal
Wed, Dec 24 - Sat, Jan 3
Multiple Airlines Logo
6:20 am - 9:25 pmSDU-IAD
17h 05m2 stops
Multiple Airlines Logo
1:20 pm - 4:40 pmIAD-SDU
25h 20m2 stops
$1,840Multiple Airlines
Find Deal
Sat, Nov 15 - Sun, Nov 23

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
Mar 29
SDU8:20 pmRio de Janeiro Santos Dumont
16h 33m
2 stops
IAD11:53 amWashington, D.C. Dulles Intl
Mar 30
IAD4:00 pmWashington, D.C. Dulles Intl
19h 50m
2 stops
SDU12:50 pmRio de Janeiro Santos Dumont
$1,001
Find similar
LATAM Airlines
Dec 2
SDU8:05 pmRio de Janeiro Santos Dumont
17h 34m
2 stops
IAD11:39 amWashington, D.C. Dulles Intl
Dec 7
IAD5:59 pmWashington, D.C. Dulles Intl
17h 16m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
$1,104
Find similar
LATAM Airlines
Dec 19
SDU5:40 pmRio de Janeiro Santos Dumont
25h 08m
2 stops
IAD4:48 pmWashington, D.C. Dulles Intl
Jan 9
IAD6:15 pmWashington, D.C. Dulles Intl
18h 35m
2 stops
SDU2:50 pmRio de Janeiro Santos Dumont
$1,720
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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
Nov 10
SDU5:25 pmRio de Janeiro Santos Dumont
20h 03m
2 stops
IAD11:28 amWashington, D.C. Dulles Intl
Nov 23
IAD12:45 pmWashington, D.C. Dulles Intl
22h 15m
2 stops
SDU1:00 pmRio de Janeiro Santos Dumont
$1,587
Find similar
Azul
Nov 13
SDU5:25 pmRio de Janeiro Santos Dumont
23h 24m
2 stops
IAD2:49 pmWashington, D.C. Dulles Intl
Nov 28
IAD12:45 pmWashington, D.C. Dulles Intl
22h 50m
2 stops
SDU1:35 pmRio de Janeiro Santos Dumont
$1,604
Find similar
Azul
Nov 15
SDU6:20 amRio de Janeiro Santos Dumont
17h 05m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
Nov 23
IAD5:25 pmWashington, D.C. Dulles Intl
17h 35m
2 stops
SDU1:00 pmRio de Janeiro Santos Dumont
$1,699
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 November 5, 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

Mon 11/17

1:45 pm-9:23 pm

2 stops33h 38m

Washington, D.C. Dulles Intl

Mon 1/19

6:03 am-2:10 pm

2 stops30h 07m

$865

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 3/29

8:20 pm-11:53 am

2 stops16h 33m

Washington, D.C. Dulles Intl

Mon 3/30

4:00 pm-12:50 pm

2 stops19h 50m

$1,001

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 11/16

2:50 pm-11:28 am

2 stops22h 38m

Washington, D.C. Dulles Intl

Mon 11/24

12:40 pm-4:45 pm

2 stops26h 05m

$1,013

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 11/17

1:45 pm-6:35 am

1 stop18h 50m

Washington, D.C. Dulles Intl

Mon 1/19

10:30 pm-2:10 pm

1 stop13h 40m

$1,057

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 12/2

8:05 pm-11:39 am

2 stops17h 34m

Washington, D.C. Dulles Intl

Sun 12/7

5:59 pm-1:15 pm

2 stops17h 16m

$1,104

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 2/13

11:20 am-8:30 pm

2 stops35h 10m

Washington, D.C. Dulles Intl

Tue 2/17

9:45 am-2:20 pm

2 stops26h 35m

$1,120

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 2/12

11:20 am-3:50 pm

2 stops30h 30m

Washington, D.C. Dulles Intl

Sun 2/22

1:13 pm-4:45 pm

2 stops25h 32m

$1,121

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 11/15

6:20 am-9:25 pm

2 stops17h 05m

Washington, D.C. Dulles Intl

Sun 11/23

5:25 pm-1:00 pm

2 stops17h 35m

$1,699

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 12/24

6:15 am-9:16 pm

2 stops17h 01m

Washington, D.C. Dulles Intl

Sat 1/3

12:35 pm-2:35 pm

2 stops24h 00m

$1,760

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 11/15

6:20 am-9:25 pm

2 stops17h 05m

Washington, D.C. Dulles Intl

Sun 11/23

1:20 pm-4:40 pm

2 stops25h 20m

$1,840

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 15h 05m.

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