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Cheap flights from Rio de Janeiro Santos Dumont Airport to Washington, D.C. from $373

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 9/30. 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

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.
Air Canada Logo
1:45 pm - 8:10 pm
SDU
-
IAD
32h 25m
2 stops
Air Canada Logo
4:30 pm - 4:45 pm
IAD
-
SDU
22h 15m
2 stops
$727Air Canada
Thu, Nov 12 - Wed, Nov 18
LATAM Airlines Logo
2:50 pm - 11:50 am
SDU
-
IAD
22h 00m
2 stops
LATAM Airlines Logo
6:12 pm - 2:40 pm
IAD
-
SDU
19h 28m
2 stops
$847LATAM Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
1:45 pm - 6:25 am
SDU
-
IAD
17h 40m
1 stop
United Airlines Logo
10:30 pm - 4:45 pm
IAD
-
SDU
17h 15m
1 stop
$867United Airlines
Thu, Aug 6 - Thu, Aug 20
United Airlines Logo
1:45 pm - 6:25 am
SDU
-
IAD
17h 40m
1 stop
United Airlines Logo
10:25 pm - 4:45 pm
IAD
-
SDU
16h 20m
1 stop
$868United Airlines
Mon, Oct 19 - Wed, Nov 18
United Airlines Logo
1:45 pm - 6:25 am
SDU
-
IAD
17h 40m
1 stop
United Airlines Logo
10:25 pm - 4:45 pm
IAD
-
SDU
16h 20m
1 stop
$869United Airlines
Mon, Oct 19 - Wed, Nov 18
Air Canada Logo
1:45 pm - 7:00 pm
SDU
-
IAD
30h 15m
2 stops
Air Canada Logo
9:55 am - 8:15 pm
IAD
-
SDU
33h 20m
2 stops
$874Air Canada
Wed, Oct 14 - Fri, Oct 30
Air Canada Logo
1:45 pm - 7:00 pm
SDU
-
IAD
30h 15m
2 stops
Air Canada Logo
9:55 am - 8:15 pm
IAD
-
SDU
33h 20m
2 stops
$876Air Canada
Wed, Oct 14 - Fri, Oct 30
Multiple Airlines Logo
5:20 pm - 6:25 am
SDU
-
IAD
14h 05m
1 stop
Multiple Airlines Logo
10:30 pm - 4:45 pm
IAD
-
SDU
17h 15m
1 stop
$879Multiple Airlines
Thu, Aug 6 - Thu, Aug 20
Air Canada Logo
1:45 pm - 3:45 pm
SDU
-
IAD
28h 00m
2 stops
Air Canada Logo
4:30 pm - 8:15 pm
IAD
-
SDU
25h 45m
2 stops
$914Air Canada
Thu, Nov 12 - Fri, Nov 20
Azul Logo
5:30 pm - 11:14 am
SDU
-
IAD
18h 44m
2 stops
Azul Logo
12:35 pm - 9:15 am
IAD
-
SDU
19h 40m
2 stops
$985Azul
Thu, Aug 6 - Thu, Aug 20

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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
Nov 12
SDU1:45 pmRio de Janeiro Santos Dumont
32h 25m
2 stops
IAD8:10 pmWashington, D.C. Dulles Intl
Nov 18
IAD4:30 pmWashington, D.C. Dulles Intl
22h 15m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$727
Air Canada
Oct 14
SDU1:45 pmRio de Janeiro Santos Dumont
30h 15m
2 stops
IAD7:00 pmWashington, D.C. Dulles Intl
Oct 30
IAD9:55 amWashington, D.C. Dulles Intl
33h 20m
2 stops
SDU8:15 pmRio de Janeiro Santos Dumont
$874
Air Canada
Oct 14
SDU1:45 pmRio de Janeiro Santos Dumont
30h 15m
2 stops
IAD7:00 pmWashington, D.C. Dulles Intl
Oct 30
IAD9:55 amWashington, D.C. Dulles Intl
33h 20m
2 stops
SDU8:15 pmRio de Janeiro Santos Dumont
$876

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
Aug 6
SDU1:45 pmRio de Janeiro Santos Dumont
17h 40m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
Aug 19
IAD10:30 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$867
United Airlines
Oct 19
SDU1:45 pmRio de Janeiro Santos Dumont
17h 40m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
Nov 18
IAD10:25 pmWashington, D.C. Dulles Intl
16h 20m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$868
United Airlines
Oct 19
SDU1:45 pmRio de Janeiro Santos Dumont
17h 40m
1 stop
IAD6:25 amWashington, D.C. Dulles Intl
Nov 18
IAD10:25 pmWashington, D.C. Dulles Intl
16h 20m
1 stop
SDU4:45 pmRio de Janeiro Santos Dumont
$869

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 July 20, 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

Thu 11/12

1:45 pm-8:10 pm

2 stops32h 25m

Washington, D.C. Dulles Intl

Wed 11/18

4:30 pm-4:45 pm

2 stops22h 15m

$727

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 10/21

2:50 pm-11:50 am

2 stops22h 00m

Washington, D.C. Dulles Intl

Wed 10/28

6:12 pm-2:40 pm

2 stops19h 28m

$847

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 8/6

1:45 pm-6:25 am

1 stop17h 40m

Washington, D.C. Dulles Intl

Thu 8/20

10:30 pm-4:45 pm

1 stop17h 15m

$867

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 10/19

1:45 pm-6:25 am

1 stop17h 40m

Washington, D.C. Dulles Intl

Wed 11/18

10:25 pm-4:45 pm

1 stop16h 20m

$868

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 10/19

1:45 pm-6:25 am

1 stop17h 40m

Washington, D.C. Dulles Intl

Wed 11/18

10:25 pm-4:45 pm

1 stop16h 20m

$869

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 10/14

1:45 pm-7:00 pm

2 stops30h 15m

Washington, D.C. Dulles Intl

Fri 10/30

9:55 am-8:15 pm

2 stops33h 20m

$874

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 10/14

1:45 pm-7:00 pm

2 stops30h 15m

Washington, D.C. Dulles Intl

Fri 10/30

9:55 am-8:15 pm

2 stops33h 20m

$876
Quickest round-trip

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 8/6

5:20 pm-6:25 am

1 stop14h 05m

Washington, D.C. Dulles Intl

Thu 8/20

10:30 pm-4:45 pm

1 stop17h 15m

$879

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 11/12

1:45 pm-3:45 pm

2 stops28h 00m

Washington, D.C. Dulles Intl

Fri 11/20

4:30 pm-8:15 pm

2 stops25h 45m

$914

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 8/6

5:30 pm-11:14 am

2 stops18h 44m

Washington, D.C. Dulles Intl

Thu 8/20

12:35 pm-9:15 am

2 stops19h 40m

$985

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

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 52% 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

16h 57m

Direct flights

None
The fastest flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport takes 16h 57m
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 16h 57m.

  • 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Manassas
Towson
Silver Spring
Colonial Beach
Sterling
Springfield
Tysons
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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