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Cheap flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. from $272

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 2/18. 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

Logo
8:45 pm - 6:25 amSDU-IAD
34h 40m1 stop
Logo
10:35 pm - 2:20 pmIAD-SDU
14h 45m1 stop
$654
Find Deal
Tue, Sep 16 - Fri, Sep 19
Air Canada Logo
5:30 pm - 9:54 pmSDU-IAD
29h 24m2 stops
Air Canada Logo
1:20 pm - 4:45 pmIAD-SDU
25h 25m2 stops
$720Air Canada
Find Deal
Sat, Nov 1 - Tue, Nov 18
Air Canada Logo
5:30 pm - 10:56 pmSDU-DCA
30h 26m2 stops
Air Canada Logo
4:10 pm - 4:45 pmDCA-SDU
22h 35m2 stops
$721Air Canada
Find Deal
Sat, Nov 1 - Tue, Nov 18
Logo
5:25 pm - 11:01 amSDU-BWI
18h 36m2 stops
Logo
7:49 pm - 10:25 pmBWI-SDU
25h 36m2 stops
$740
Find Deal
Tue, Sep 16 - Fri, Sep 19
LATAM Airlines Logo
6:45 pm - 10:00 pmSDU-DCA
52h 15m2 stops
LATAM Airlines Logo
11:10 am - 1:50 pmDCA-SDU
25h 40m2 stops
$797LATAM Airlines
Find Deal
Tue, Sep 16 - Fri, Sep 19
LATAM Airlines Logo
2:00 pm - 11:31 amSDU-IAD
22h 31m2 stops
LATAM Airlines Logo
7:35 pm - 4:00 pmIAD-SDU
19h 25m2 stops
$819LATAM Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
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
$1,021United Airlines
Find Deal
Sun, Nov 9 - Thu, Nov 20
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
$1,143United Airlines
Find Deal
Sun, Nov 9 - Fri, Nov 21
Azul Logo
6:10 am - 9:17 pmSDU-IAD
41h 07m2 stops
Azul Logo
12:40 pm - 1:00 pmIAD-SDU
22h 20m2 stops
$1,862Azul
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
$1,867Azul
Find Deal
Fri, Feb 13 - Tue, Feb 17

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

Our best LATAM Airlines deals on Rio de Janeiro Santos Dumont Airport to Washington, D.C. flight tickets
LATAM Airlines
Sep 9
SDU5:40 pmRio de Janeiro Santos Dumont
19h 22m
2 stops
IAD12:02 pmWashington, D.C. Dulles Intl
Sep 16
IAD5:55 pmWashington, D.C. Dulles Intl
18h 45m
2 stops
SDU1:40 pmRio de Janeiro Santos Dumont
$611
Find similar
LATAM Airlines
Sep 16
SDU6:45 pmRio de Janeiro Santos Dumont
52h 15m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
Sep 19
DCA11:10 amWashington, D.C. Reagan-National
25h 40m
2 stops
SDU1:50 pmRio de Janeiro Santos Dumont
$797
Find similar
LATAM Airlines
Oct 15
SDU2:00 pmRio de Janeiro Santos Dumont
22h 31m
2 stops
IAD11:31 amWashington, D.C. Dulles Intl
Oct 19
IAD7:35 pmWashington, D.C. Dulles Intl
19h 25m
2 stops
SDU4:00 pmRio de Janeiro Santos Dumont
$819
Find similar

Delta flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C.

Our best Delta deals on Rio de Janeiro Santos Dumont Airport to Washington, D.C. flight tickets
Delta
Feb 13
SDU8:05 pmRio de Janeiro Santos Dumont
19h 01m
2 stops
BWI1:06 pmBaltimore/Washington
Feb 17
BWI4:39 pmBaltimore/Washington
18h 36m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
$2,399
Find similar
Delta
Sep 24
SDU8:20 pmRio de Janeiro Santos Dumont
15h 52m
2 stops
BWI11:12 amBaltimore/Washington
Oct 8
BWI1:50 pmBaltimore/Washington
22h 30m
2 stops
SDU1:20 pmRio de Janeiro Santos Dumont
$2,716
Find similar
Delta
Feb 13
SDU8:05 pmRio de Janeiro Santos Dumont
19h 01m
2 stops
BWI1:06 pmBaltimore/Washington
Feb 17
BWI10:00 amBaltimore/Washington
21h 25m
2 stops
SDU9:25 amRio de Janeiro Santos Dumont
$3,484
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. 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 September 3, 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. 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

Tue 9/16

8:45 pm-6:25 am

1 stop34h 40m

Washington, D.C. Dulles Intl

Fri 9/19

10:35 pm-2:20 pm

1 stop14h 45m

$654

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 11/1

5:30 pm-9:54 pm

2 stops29h 24m

Washington, D.C. Dulles Intl

Tue 11/18

1:20 pm-4:45 pm

2 stops25h 25m

$720

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Sat 11/1

5:30 pm-10:56 pm

2 stops30h 26m

Washington, D.C. Reagan-National

Tue 11/18

4:10 pm-4:45 pm

2 stops22h 35m

$721

Rio de JaneiroBaltimore

SDU - BWI

SDUBWI

Rio de Janeiro Santos Dumont

Tue 9/16

5:25 pm-11:01 am

2 stops18h 36m

Baltimore/Washington

Fri 9/19

7:49 pm-10:25 pm

2 stops25h 36m

$740

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Tue 9/16

6:45 pm-10:00 pm

2 stops52h 15m

Washington, D.C. Reagan-National

Fri 9/19

11:10 am-1:50 pm

2 stops25h 40m

$797

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 10/15

2:00 pm-11:31 am

2 stops22h 31m

Washington, D.C. Dulles Intl

Sun 10/19

7:35 pm-4:00 pm

2 stops19h 25m

$819

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 11/9

2:55 pm-6:35 am

1 stop17h 40m

Washington, D.C. Dulles Intl

Thu 11/20

10:30 pm-2:20 pm

1 stop13h 50m

$1,021

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 11/9

2:55 pm-11:28 am

2 stops22h 33m

Washington, D.C. Dulles Intl

Fri 11/21

10:30 pm-2:20 pm

1 stop13h 50m

$1,143

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

12:40 pm-1:00 pm

2 stops22h 20m

$1,862

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

$1,867

Flights are sorted by cheapest round-trip flights 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.

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 day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Rio de Janeiro Santos Dumont Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $699. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Rio de Janeiro Santos Dumont Airport to Washington, D.C. for around $958.

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

In the morning is the cheapest time of day to fly from Rio de Janeiro Santos Dumont Airport to Washington, D.C. when you can find flight prices for as low as $799. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $958. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Rio de Janeiro Santos Dumont Airport to Washington, D.C. 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. flight.

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

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. 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. (SDU to WAS) 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.

Direct flights

None
There are no direct flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C.. There are no popular flight routes from Rio de Janeiro Santos Dumont Airport to Washington, D.C..
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  • How far is Rio de Janeiro Santos Dumont to Washington, D.C. by plane?

    Washington, D.C. is 4796.8 mi away from Rio de Janeiro Santos Dumont. By plane, this route typically takes 15h 52m.

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

    Prices for flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rio de Janeiro Santos Dumont Airport to Washington, D.C..

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

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rio de Janeiro to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Rio de Janeiro to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Rio de Janeiro and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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?

Yes. momondo can track prices for Rio de Janeiro to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport