Cheap flights from District of Columbia to Rio de Janeiro from $283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Rio de Janeiro departing on 9/22. 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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Cheap round-trip flights

LATAM Airlines Logo
10:11 am - 1:15 pmIAD-SDU
25h 04m2 stops
LATAM Airlines Logo
2:00 pm - 11:57 amSDU-IAD
23h 57m2 stops
$609LATAM Airlines
Find Deal
Thu, Nov 6 - Mon, Nov 10
LATAM Airlines Logo
4:00 pm - 11:05 amDCA-SDU
18h 05m2 stops
LATAM Airlines Logo
8:05 pm - 11:30 amSDU-DCA
17h 25m2 stops
$614LATAM Airlines
Find Deal
Mon, Oct 20 - Sun, Nov 2
Air Canada Logo
6:00 am - 2:20 pmDCA-SDU
30h 20m2 stops
Air Canada Logo
11:25 am - 9:56 pmSDU-DCA
36h 31m2 stops
$623Air Canada
Find Deal
Thu, Nov 6 - Fri, Nov 14
Air Canada Logo
5:37 pm - 2:20 pmIAD-SDU
19h 43m2 stops
Air Canada Logo
11:25 am - 11:13 amSDU-IAD
24h 48m2 stops
$623Air Canada
Find Deal
Wed, Sep 17 - Wed, Sep 24
 Logo
5:45 am - 8:40 amIAD-SDU
25h 55m3 stops
 Logo
8:20 am - 2:00 pmSDU-IAD
30h 40m2 stops
Mon, Sep 29 - Mon, Oct 6
 Logo
3:20 pm - 8:40 amIAD-SDU
16h 20m2 stops
 Logo
7:55 am - 5:35 amSDU-IAD
22h 40m2 stops
Fri, Sep 12 - Tue, Sep 16
United Airlines Logo
10:30 pm - 2:20 pmIAD-SDU
13h 50m1 stop
United Airlines Logo
2:55 pm - 6:35 amSDU-IAD
17h 40m1 stop
$745United Airlines
Find Deal
Mon, Jan 19 - Sun, Feb 1
United Airlines Logo
10:35 pm - 5:45 pmIAD-SDU
18h 10m1 stop
United Airlines Logo
2:55 pm - 2:37 pmSDU-IAD
24h 42m2 stops
$755United Airlines
Find Deal
Sat, Sep 6 - Sun, Sep 14
Delta Logo
12:05 pm - 1:15 pmDCA-SDU
23h 10m2 stops
Delta Logo
8:05 pm - 12:47 pmSDU-DCA
18h 42m2 stops
$887Delta
Find Deal
Mon, Feb 9 - Thu, Feb 12
Delta Logo
10:05 am - 1:15 pmIAD-SDU
25h 10m2 stops
Delta Logo
8:05 pm - 2:51 pmSDU-IAD
20h 46m2 stops
$887Delta
Find Deal
Mon, Feb 9 - Thu, Feb 12

LATAM Airlines flights from District of Columbia to Rio de Janeiro Santos Dumont Airport

Our best LATAM Airlines deals on District of Columbia to Rio de Janeiro Santos Dumont Airport flight tickets
LATAM Airlines
Nov 6
IAD10:11 amWashington, D.C. Dulles Intl
25h 04m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
Nov 10
SDU2:00 pmRio de Janeiro Santos Dumont
23h 57m
2 stops
IAD11:57 amWashington, D.C. Dulles Intl
LATAM Airlines
Oct 20
DCA4:00 pmWashington, D.C. Reagan-National
18h 05m
2 stops
SDU11:05 amRio de Janeiro Santos Dumont
Nov 2
SDU8:05 pmRio de Janeiro Santos Dumont
17h 25m
2 stops
DCA11:30 amWashington, D.C. Reagan-National
LATAM Airlines
Aug 29
DCA2:59 pmWashington, D.C. Reagan-National
17h 36m
2 stops
SDU9:35 amRio de Janeiro Santos Dumont
Sep 8
SDU1:55 pmRio de Janeiro Santos Dumont
29h 33m
2 stops
DCA6:28 pmWashington, D.C. Reagan-National

Air Canada flights from District of Columbia to Rio de Janeiro Santos Dumont Airport

Our best Air Canada deals on District of Columbia to Rio de Janeiro Santos Dumont Airport flight tickets
Air Canada
Nov 6
DCA6:00 amWashington, D.C. Reagan-National
30h 20m
2 stops
SDU2:20 pmRio de Janeiro Santos Dumont
Nov 14
SDU11:25 amRio de Janeiro Santos Dumont
36h 31m
2 stops
DCA9:56 pmWashington, D.C. Reagan-National
Air Canada
Nov 6
DCA6:00 amWashington, D.C. Reagan-National
30h 20m
2 stops
SDU2:20 pmRio de Janeiro Santos Dumont
Nov 14
SDU11:25 amRio de Janeiro Santos Dumont
25h 01m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Air Canada
Sep 9
IAD5:37 pmWashington, D.C. Dulles Intl
19h 43m
2 stops
SDU2:20 pmRio de Janeiro Santos Dumont
Sep 16
SDU11:25 amRio de Janeiro Santos Dumont
27h 13m
2 stops
IAD1:38 pmWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 August 16, 2025.
Use the filters below to find and compare flights from District of Columbia 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

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Thu 11/6

10:11 am-1:15 pm

2 stops25h 04m

Rio de Janeiro Santos Dumont

Mon 11/10

2:00 pm-11:57 am

2 stops23h 57m

$609

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Mon 10/20

4:00 pm-11:05 am

2 stops18h 05m

Rio de Janeiro Santos Dumont

Sun 11/2

8:05 pm-11:30 am

2 stops17h 25m

$614

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Thu 11/6

6:00 am-2:20 pm

2 stops30h 20m

Rio de Janeiro Santos Dumont

Fri 11/14

11:25 am-9:56 pm

2 stops36h 31m

$623

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Wed 9/17

5:37 pm-2:20 pm

2 stops19h 43m

Rio de Janeiro Santos Dumont

Wed 9/24

11:25 am-11:13 am

2 stops24h 48m

$623

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Mon 9/29

5:45 am-8:40 am

3 stops25h 55m

Rio de Janeiro Santos Dumont

Mon 10/6

8:20 am-2:00 pm

2 stops30h 40m

$710

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Fri 9/12

3:20 pm-8:40 am

2 stops16h 20m

Rio de Janeiro Santos Dumont

Tue 9/16

7:55 am-5:35 am

2 stops22h 40m

$716

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Mon 1/19

10:30 pm-2:20 pm

1 stop13h 50m

Rio de Janeiro Santos Dumont

Sun 2/1

2:55 pm-6:35 am

1 stop17h 40m

$745

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Sat 9/6

10:35 pm-5:45 pm

1 stop18h 10m

Rio de Janeiro Santos Dumont

Sun 9/14

2:55 pm-2:37 pm

2 stops24h 42m

$755

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Mon 2/9

12:05 pm-1:15 pm

2 stops23h 10m

Rio de Janeiro Santos Dumont

Thu 2/12

8:05 pm-12:47 pm

2 stops18h 42m

$887

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Mon 2/9

10:05 am-1:15 pm

2 stops25h 10m

Rio de Janeiro Santos Dumont

Thu 2/12

8:05 pm-2:51 pm

2 stops20h 46m

$887

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 District of Columbia 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 District of Columbia 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 District of Columbia 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 District of Columbia 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 District of Columbia to Rio de Janeiro Santos Dumont Airport flights?

You could potentially save up to 55% on your flight if you consider stops on a District of Columbia to Rio de Janeiro Santos Dumont Airport flight.

Cheap District of Columbia to Rio de Janeiro Santos Dumont Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Rio de Janeiro Santos Dumont Airport

Best Price Found

$283

Fastest flight time

13h 50m

Direct flights

None
The best one-way flight to Rio de Janeiro Santos Dumont Airport from District of Columbia in the past 72 hours is $283. The best round-trip flight deal from District of Columbia to Rio de Janeiro Santos Dumont Airport found on momondo in the last 72 hours is $609.
The fastest flight from District of Columbia to Rio de Janeiro Santos Dumont Airport takes 13h 50m
There are no direct flights from District of Columbia to Rio de Janeiro Santos Dumont Airport. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Rio de Janeiro Santos Dumont Airport and Washington, D.C. Dulles Intl Airport - Rio de Janeiro Santos Dumont Airport.
  • When did momondo last update prices for flights from District of Columbia to Rio de Janeiro Santos Dumont Airport?

    Prices for flights from District of Columbia to Rio de Janeiro Santos Dumont Airport are refreshed on a daily basis.

  • How old do you have to be to fly from District of Columbia 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 District of Columbia to Rio de Janeiro Santos Dumont Airport.

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

    The required travel and health documents for your Rio de Janeiro Santos Dumont 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 Rio de Janeiro Santos Dumont Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Rio de Janeiro?

Finding the right flight to Rio de Janeiro from District of Columbia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rio de Janeiro quick and easy, saving you time and money.

Can I find flights from District of Columbia to Rio de Janeiro with flexible booking policies on momondo?

All flight searches from District of Columbia to Rio de Janeiro on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Rio de Janeiro?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Rio de Janeiro.

I’m not ready to book a flight from District of Columbia to Rio de Janeiro right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Rio de Janeiro now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rio de Janeiro and let you know when they change.

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