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Cheap flights from Washington, D.C. to Rio de Janeiro from $262

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 6/1. 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.
Delta Logo
2:36 pm - 1:15 pm
DCA
-
SDU
21h 39m2 stops
Delta Logo
8:20 pm - 2:08 pm
SDU
-
DCA
42h 48m2 stops
$545Delta
Wed, Mar 25 - Mon, Apr 6
Air Canada Logo
4:15 pm - 5:45 pm
DCA
-
SDU
23h 30m2 stops
Air Canada Logo
11:20 am - 10:23 am
SDU
-
DCA
25h 03m2 stops
$593Air Canada
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
9:45 am - 8:15 pm
IAD
-
SDU
33h 30m2 stops
Multiple Airlines Logo
1:45 pm - 3:34 pm
SDU
-
IAD
26h 49m2 stops
$604Multiple Airlines
Fri, May 8 - Tue, May 12
Multiple Airlines Logo
4:20 pm - 8:15 pm
DCA
-
SDU
26h 55m2 stops
Multiple Airlines Logo
1:45 pm - 10:19 am
SDU
-
DCA
21h 34m2 stops
$634Multiple Airlines
Fri, May 1 - Mon, May 4
LATAM Airlines Logo
4:45 pm - 1:15 pm
BWI
-
SDU
18h 30m2 stops
LATAM Airlines Logo
8:05 pm - 2:53 pm
SDU
-
BWI
19h 48m2 stops
$655LATAM Airlines
Sun, Mar 1 - Thu, Mar 12
LATAM Airlines Logo
5:05 pm - 9:25 am
DCA
-
SDU
15h 20m2 stops
LATAM Airlines Logo
1:55 pm - 11:21 am
SDU
-
DCA
22h 26m2 stops
$658LATAM Airlines
Thu, Mar 26 - Tue, Apr 7
United Airlines Logo
10:30 pm - 11:10 am
IAD
-
SDU
34h 40m1 stop
United Airlines Logo
1:45 pm - 6:40 am
SDU
-
IAD
17h 55m1 stop
$705United Airlines
Fri, Feb 27 - Thu, Mar 12
United Airlines Logo
1:02 pm - 4:40 pm
IAD
-
SDU
25h 38m2 stops
United Airlines Logo
1:45 pm - 6:40 am
SDU
-
IAD
17h 55m1 stop
$709United Airlines
Sun, Mar 1 - Thu, Mar 12
GOL Logo
6:26 pm - 12:35 pm
DCA
-
SDU
17h 09m2 stops
GOL Logo
6:00 am - 10:14 pm
SDU
-
DCA
17h 14m2 stops
$709GOL
Fri, May 8 - Tue, May 12
GOL Logo
6:26 pm - 10:50 am
DCA
-
SDU
15h 24m2 stops
GOL Logo
6:00 am - 11:05 pm
SDU
-
DCA
18h 05m2 stops
$726GOL
Mon, Apr 27 - Tue, May 5

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
Mar 1
BWI4:45 pmBaltimore/Washington
18h 30m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
Mar 12
SDU8:05 pmRio de Janeiro Santos Dumont
19h 48m
2 stops
BWI2:53 pmBaltimore/Washington
$655
Find similar
LATAM Airlines
Mar 26
DCA5:05 pmWashington, D.C. Reagan-National
15h 20m
2 stops
SDU9:25 amRio de Janeiro Santos Dumont
Apr 7
SDU1:55 pmRio de Janeiro Santos Dumont
22h 26m
2 stops
DCA11:21 amWashington, D.C. Reagan-National
$658
Find similar
LATAM Airlines
Mar 1
BWI7:01 pmBaltimore/Washington
16h 14m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
Mar 12
SDU8:05 pmRio de Janeiro Santos Dumont
19h 48m
2 stops
BWI2:53 pmBaltimore/Washington
$659
Find similar

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

Our best Delta deals on Washington, D.C. to Rio de Janeiro Santos Dumont Airport flight tickets
Delta
Mar 25
DCA2:36 pmWashington, D.C. Reagan-National
21h 39m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
Apr 6
SDU8:20 pmRio de Janeiro Santos Dumont
42h 48m
2 stops
DCA2:08 pmWashington, D.C. Reagan-National
$545
Find similar
Delta
Mar 26
DCA11:00 amWashington, D.C. Reagan-National
25h 15m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
Apr 6
SDU8:20 pmRio de Janeiro Santos Dumont
42h 48m
2 stops
DCA2:08 pmWashington, D.C. Reagan-National
$665
Find similar
Delta
Mar 27
DCA5:05 pmWashington, D.C. Reagan-National
19h 10m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
Apr 6
SDU8:20 pmRio de Janeiro Santos Dumont
18h 48m
2 stops
DCA2:08 pmWashington, D.C. Reagan-National
$778
Find similar

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 December 11, 2025.
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

Wed 3/25

2:36 pm-1:15 pm

2 stops21h 39m

Rio de Janeiro Santos Dumont

Mon 4/6

8:20 pm-2:08 pm

2 stops42h 48m

$545

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Sat 1/24

4:15 pm-5:45 pm

2 stops23h 30m

Rio de Janeiro Santos Dumont

Sat 1/31

11:20 am-10:23 am

2 stops25h 03m

$593

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Fri 5/8

9:45 am-8:15 pm

2 stops33h 30m

Rio de Janeiro Santos Dumont

Tue 5/12

1:45 pm-3:34 pm

2 stops26h 49m

$604

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Fri 5/1

4:20 pm-8:15 pm

2 stops26h 55m

Rio de Janeiro Santos Dumont

Mon 5/4

1:45 pm-10:19 am

2 stops21h 34m

$634

BaltimoreRio de Janeiro

BWI - SDU

BWISDU

Baltimore/Washington

Sun 3/1

4:45 pm-1:15 pm

2 stops18h 30m

Rio de Janeiro Santos Dumont

Thu 3/12

8:05 pm-2:53 pm

2 stops19h 48m

$655

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Thu 3/26

5:05 pm-9:25 am

2 stops15h 20m

Rio de Janeiro Santos Dumont

Tue 4/7

1:55 pm-11:21 am

2 stops22h 26m

$658

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Fri 2/27

10:30 pm-11:10 am

1 stop34h 40m

Rio de Janeiro Santos Dumont

Thu 3/12

1:45 pm-6:40 am

1 stop17h 55m

$705

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Sun 3/1

1:02 pm-4:40 pm

2 stops25h 38m

Rio de Janeiro Santos Dumont

Thu 3/12

1:45 pm-6:40 am

1 stop17h 55m

$709

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Fri 5/8

6:26 pm-12:35 pm

2 stops17h 09m

Rio de Janeiro Santos Dumont

Tue 5/12

6:00 am-10:14 pm

2 stops17h 14m

$709

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Mon 4/27

6:26 pm-10:50 am

2 stops15h 24m

Rio de Janeiro Santos Dumont

Tue 5/5

6:00 am-11:05 pm

2 stops18h 05m

$726

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Rio de Janeiro from

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

What is the cheapest day to depart on your flight to Rio de Janeiro Santos Dumont Airport?

On average, the least expensive day to fly to Rio de Janeiro Santos Dumont Airport from Washington, D.C. is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,021. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,358.

What is the cheapest time of day to depart on your flight to Rio de Janeiro Santos Dumont Airport?

Flying to Rio de Janeiro Santos Dumont Airport from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $973 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $1,358. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 3% 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 00m

Direct flights

None
The fastest flight from Washington, D.C. to Rio de Janeiro Santos Dumont Airport takes 14h 00m
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.
Search flight deals

  • 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 00m.

  • 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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