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Cheap flights from Washington, D.C. to Rio de Janeiro from $264

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Rio de Janeiro departing on 4/5. 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 Washington, D.C. to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
2:55 pm - 8:35 am
DCA
-
SDU
16h 40m
2 stops
LATAM Airlines Logo
5:10 pm - 6:11 pm
SDU
-
DCA
26h 01m
2 stops
$551LATAM Airlines
jue., may. 21 - vie., may. 22
LATAM Airlines Logo
5:00 pm - 2:40 pm
DCA
-
SDU
20h 40m
2 stops
LATAM Airlines Logo
5:10 pm - 11:05 am
SDU
-
DCA
18h 55m
2 stops
$556LATAM Airlines
mar., may. 19 - mié., may. 20
Delta Logo
2:55 pm - 8:35 am
DCA
-
SDU
16h 40m
2 stops
Delta Logo
8:15 pm - 2:05 pm
SDU
-
DCA
18h 50m
2 stops
$562Delta
vie., may. 15 - mar., may. 26
LATAM Airlines Logo
7:59 pm - 1:15 pm
IAD
-
SDU
16h 16m
2 stops
LATAM Airlines Logo
8:05 pm - 12:39 pm
SDU
-
IAD
17h 34m
2 stops
$562LATAM Airlines
vie., mar. 20 - vie., mar. 27
LATAM Airlines Logo
5:00 pm - 12:30 pm
DCA
-
SDU
18h 30m
2 stops
LATAM Airlines Logo
8:15 pm - 2:05 pm
SDU
-
DCA
18h 50m
2 stops
$567LATAM Airlines
lun., may. 18 - sáb., may. 23
Multiple Airlines Logo
6:50 pm - 5:45 pm
DCA
-
SDU
20h 55m
2 stops
Multiple Airlines Logo
11:20 am - 10:23 am
SDU
-
DCA
25h 03m
2 stops
$610Multiple Airlines
sáb., ene. 24 - mié., ene. 28
Multiple Airlines Logo
6:50 pm - 5:45 pm
DCA
-
SDU
20h 55m
2 stops
Multiple Airlines Logo
11:20 am - 8:55 am
SDU
-
DCA
23h 35m
2 stops
$616Multiple Airlines
sáb., ene. 24 - mié., ene. 28
Air Canada Logo
1:15 pm - 2:10 pm
IAD
-
SDU
22h 55m
2 stops
Air Canada Logo
11:20 am - 11:35 am
SDU
-
IAD
26h 15m
2 stops
$622Air Canada
mar., ene. 20 - lun., ene. 26
Air Canada Logo
6:55 pm - 4:45 pm
DCA
-
SDU
20h 50m
2 stops
Air Canada Logo
1:45 pm - 10:18 am
SDU
-
DCA
21h 33m
2 stops
$627Air Canada
mar., may. 19 - jue., jul. 23
United Airlines Logo
6:05 am - 4:40 pm
BWI
-
SDU
33h 35m
2 stops
United Airlines Logo
1:45 pm - 9:42 pm
SDU
-
BWI
32h 57m
2 stops
$772United Airlines
dom., mar. 22 - mié., mar. 25

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

Our best LATAM Airlines deals on Washington, D.C. to Rio de Janeiro Santos Dumont Airport flight tickets
LATAM Airlines
May 21
DCA2:55 pmWashington, D.C. Reagan-National
16h 40m
2 stops
SDU8:35 amRio de Janeiro Santos Dumont
May 22
SDU5:10 pmRio de Janeiro Santos Dumont
26h 01m
2 stops
DCA6:11 pmWashington, D.C. Reagan-National
$551
LATAM Airlines
May 19
DCA5:00 pmWashington, D.C. Reagan-National
20h 40m
2 stops
SDU2:40 pmRio de Janeiro Santos Dumont
May 20
SDU5:10 pmRio de Janeiro Santos Dumont
18h 55m
2 stops
DCA11:05 amWashington, D.C. Reagan-National
$556
LATAM Airlines
Apr 20
IAD1:19 pmWashington, D.C. Dulles Intl
22h 51m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
Apr 26
SDU8:20 pmRio de Janeiro Santos Dumont
17h 28m
2 stops
IAD12:48 pmWashington, D.C. Dulles Intl
$560

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

Our best Air Canada deals on Washington, D.C. to Rio de Janeiro Santos Dumont Airport flight tickets
Air Canada
Jan 20
IAD1:15 pmWashington, D.C. Dulles Intl
22h 55m
2 stops
SDU2:10 pmRio de Janeiro Santos Dumont
Jan 26
SDU11:20 amRio de Janeiro Santos Dumont
26h 15m
2 stops
IAD11:35 amWashington, D.C. Dulles Intl
$622
Air Canada
Jan 26
IAD4:30 pmWashington, D.C. Dulles Intl
19h 40m
2 stops
SDU2:10 pmRio de Janeiro Santos Dumont
Feb 4
SDU11:20 amRio de Janeiro Santos Dumont
26h 15m
2 stops
IAD11:35 amWashington, D.C. Dulles Intl
$627
Air Canada
Jan 17
DCA11:05 amWashington, D.C. Reagan-National
28h 40m
2 stops
SDU5:45 pmRio de Janeiro Santos Dumont
Jan 23
SDU11:20 amRio de Janeiro Santos Dumont
30h 13m
2 stops
DCA3:33 pmWashington, D.C. Reagan-National
$682

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Rio de Janeiro Santos Dumont 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 enero 12, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

jue. 5/21

2:55 pm-8:35 am

2 stops16h 40m

Rio de Janeiro Santos Dumont

vie. 5/22

5:10 pm-6:11 pm

2 stops26h 01m

$551

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

mar. 5/19

5:00 pm-2:40 pm

2 stops20h 40m

Rio de Janeiro Santos Dumont

mié. 5/20

5:10 pm-11:05 am

2 stops18h 55m

$556

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

vie. 5/15

2:55 pm-8:35 am

2 stops16h 40m

Rio de Janeiro Santos Dumont

mar. 5/26

8:15 pm-2:05 pm

2 stops18h 50m

$562

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

vie. 3/20

7:59 pm-1:15 pm

2 stops16h 16m

Rio de Janeiro Santos Dumont

vie. 3/27

8:05 pm-12:39 pm

2 stops17h 34m

$562

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

lun. 5/18

5:00 pm-12:30 pm

2 stops18h 30m

Rio de Janeiro Santos Dumont

sáb. 5/23

8:15 pm-2:05 pm

2 stops18h 50m

$567

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

sáb. 1/24

6:50 pm-5:45 pm

2 stops20h 55m

Rio de Janeiro Santos Dumont

mié. 1/28

11:20 am-10:23 am

2 stops25h 03m

$610

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

sáb. 1/24

6:50 pm-5:45 pm

2 stops20h 55m

Rio de Janeiro Santos Dumont

mié. 1/28

11:20 am-8:55 am

2 stops23h 35m

$616

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

mar. 1/20

1:15 pm-2:10 pm

2 stops22h 55m

Rio de Janeiro Santos Dumont

lun. 1/26

11:20 am-11:35 am

2 stops26h 15m

$622

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

mar. 5/19

6:55 pm-4:45 pm

2 stops20h 50m

Rio de Janeiro Santos Dumont

jue. 7/23

1:45 pm-10:18 am

2 stops21h 33m

$627

BaltimoreRio de Janeiro

BWI - SDU

BWISDU

Baltimore/Washington

dom. 3/22

6:05 am-4:40 pm

2 stops33h 35m

Rio de Janeiro Santos Dumont

mié. 3/25

1:45 pm-9:42 pm

2 stops32h 57m

$772

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. to Rio de Janeiro Santos Dumont 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 Washington, D.C. to Rio de Janeiro Santos Dumont Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Washington, D.C. to Rio de Janeiro Santos Dumont Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Rio de Janeiro Santos Dumont Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Rio de Janeiro Santos Dumont Airport (WAS to SDU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Rio de Janeiro Santos Dumont Airport

Fastest flight time

14h 05m

Direct flights

None
The fastest flight from Washington, D.C. to Rio de Janeiro Santos Dumont Airport takes 14h 05m
There are no direct flights from Washington, D.C. to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from Washington, D.C. to Rio de Janeiro Santos Dumont Airport.
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  • How far is Washington, D.C. to Rio de Janeiro Santos Dumont by plane?

    The distance between Washington, D.C. and Rio de Janeiro Santos Dumont is about 4796.8 mi. In terms of flight time, this usually takes a little over 14h 05m.

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

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

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

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

  • What documentation or ID do you need to fly to Rio de Janeiro Santos Dumont Airport?

    The necessary travel and health documents for your Rio de Janeiro Santos Dumont Airport 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.

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Washington, D.C. to Rio de Janeiro flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rio de Janeiro from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Rio de Janeiro right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Rio de Janeiro flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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