Santos Dumont

$333+ Cheap flights from District of Columbia to Santos Dumont, Brazil (SDU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SDU
Apr 7 — Apr 141
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Cheap flight deals from District of Columbia to Santos Dumont

Keep the following information in mind while searching for District of Columbia to Santos Dumont flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$587
(Booking.com)

One-way from

$333
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$707
Provider with most accurate pricing for Washington, D.C. (WAS)-Rio de Janeiro (RIO) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Rio de Janeiro (RIO) flights.
From District of Columbia to Rio de Janeiro Santos Dumont
One-way flight from District of Columbia to Rio de Janeiro Santos Dumont
Highest demand for flights based on searches. 8% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from District of Columbia to Santos Dumont

Cheapest flights from District of Columbia to Santos Dumont
Explore the most affordable flight options available from District of Columbia to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This LATAM Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:55 pmDCA - SDU
2 stops18h 10mLATAM Airlines
Sun 11/28:20 pmSDU - DCA
2 stops18h 37mLATAM Airlines
Deal found 4/2$588
This Gotogate deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:50 pmDCA - SDU
2 stops20h 00mAir Canada
Wed 5/287:55 amSDU - DCA
2 stops27h 24mAir Canada
Deal found 4/1$592
This Air Canada deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/123:27 pmIAD - SDU
2 stops23h 23mAir Canada
Wed 5/287:55 amSDU - IAD
2 stops33h 24mAir Canada
Deal found 4/1$622
This LATAM Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:30 pmIAD - SDU
2 stops20h 05mLATAM Airlines
Mon 9/158:20 pmSDU - IAD
2 stops16h 37mLATAM Airlines
Deal found 3/31$630
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:35 pmIAD - SDU
1 stop16h 15mMultiple Airlines
Wed 5/147:55 amSDU - IAD
1 stop23h 30mMultiple Airlines
Deal found 4/1$713
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1110:35 pmIAD - SDU
1 stop16h 15mUnited Airlines
Mon 5/191:05 pmSDU - IAD
2 stops23h 44mUnited Airlines
Deal found 4/1$723
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:50 pmDCA - SDU
2 stops17h 50mMultiple Airlines
Wed 5/281:05 pmSDU - DCA
2 stops22h 14mMultiple Airlines
Deal found 4/1$778
This oojo deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/107:12 pmDCA - SDU
2 stops26h 13mGOL
Mon 8/258:30 pmSDU - DCA
2 stops27h 00mGOL
Deal found 4/2$869
This flugladen.de deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:30 pmIAD - SDU
2 stops17h 55mAzul
Wed 5/285:05 pmSDU - IAD
2 stops22h 44mAzul
Deal found 4/1$947
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/251:00 pmDCA - SDU
2 stops25h 50mUnited Airlines
Thu 7/31:00 pmSDU - DCA
2 stops30h 45mUnited Airlines
Deal found 4/1$1,010
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:50 pmDCA - SDU
2 stops16h 50mDelta
Sun 1/42:25 pmSDU - DCA
2 stops21h 57mDelta
Deal found 4/1$1,100
This Orbitz deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/19:55 amDCA - SDU
2 stops23h 45mAzul
Mon 7/75:05 pmSDU - DCA
2 stops23h 55mAzul
Deal found 4/2$1,350

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia to Santos Dumont 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, Cheapflights users made 2,558,603 searches. Data last updated April 2, 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

District of Columbia

Fly to

Santos Dumont

Route

Depart

Return

Price

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Mon 5/12

6:50 pm-3:50 pm

2 stops20h 00m

Rio de Janeiro Santos Dumont

Wed 5/28

7:55 am-10:19 am

2 stops27h 24m

$592

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Sun 6/1

7:33 pm-2:00 pm

2 stops17h 27m

Rio de Janeiro Santos Dumont

Sun 6/8

5:00 pm-11:30 am

2 stops19h 30m

$593

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Mon 5/12

3:27 pm-3:50 pm

2 stops23h 23m

Rio de Janeiro Santos Dumont

Wed 5/28

7:55 am-4:19 pm

2 stops33h 24m

$622

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Thu 9/11

12:30 pm-9:35 am

2 stops20h 05m

Rio de Janeiro Santos Dumont

Mon 9/15

8:20 pm-11:57 am

2 stops16h 37m

$630

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Wed 5/7

10:35 pm-3:50 pm

1 stop16h 15m

Rio de Janeiro Santos Dumont

Wed 5/14

7:55 am-6:25 am

1 stop23h 30m

$713

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Sun 5/11

10:35 pm-3:50 pm

1 stop16h 15m

Rio de Janeiro Santos Dumont

Mon 5/19

1:05 pm-11:49 am

2 stops23h 44m

$723

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Mon 5/12

6:50 pm-1:40 pm

2 stops17h 50m

Rio de Janeiro Santos Dumont

Wed 5/28

1:05 pm-10:19 am

2 stops22h 14m

$778

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Sun 8/10

7:12 pm-10:25 pm

2 stops26h 13m

Rio de Janeiro Santos Dumont

Mon 8/25

8:30 pm-10:30 pm

2 stops27h 00m

$869

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Mon 6/30

6:00 pm-3:50 pm

2 stops20h 50m

Rio de Janeiro Santos Dumont

Wed 7/30

1:00 pm-9:22 am

2 stops21h 22m

$932

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Mon 5/12

5:30 pm-12:25 pm

2 stops17h 55m

Rio de Janeiro Santos Dumont

Wed 5/28

5:05 pm-2:49 pm

2 stops22h 44m

$947

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 23 results
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Best time to book a flight from District of Columbia to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Rio de Janeiro Santos Dumont Airport

What is the cheapest time of day to fly from DC to SDU?

Find hourly flight availability from District of Columbia to Santos Dumont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Rio de Janeiro Santos Dumont Airport as you normally would.

Rainfall in Santos Dumont by month

Plan your trip to Santos Dumont by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rio de Janeiro Santos Dumont Airport ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro Santos Dumont Airport when rainfall is around 1.6 in.

Temperature in Santos Dumont by month

Plan your trip to Santos Dumont by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rio de Janeiro Santos Dumont Airport, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Santos Dumont

Get insights into the airlines that provide service to Santos Dumont. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santos Dumont. Reviews last updated April 2, 2025.
Read reviews from past customers who have flown Azul, Delta and LATAM Airlines from District of Columbia to Rio de Janeiro. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
8.0
Very good
8.0
Very good

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
8.0
Very good
8.0
Very good

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
8.0
Very good

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
8.0
Very good

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
8.0
Very good

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from District of Columbia to Rio de Janeiro Santos Dumont Airport one-way?

    To fly one-way, consider booking your trip with GOL, which is currently one of the cheapest options available, starting at $365. LATAM Airlines flights start at $453 while deals on United Airlines start at $519 one-way.

  • Can I find deals for flights from District of Columbia to Santos Dumont that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Santos Dumont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Santos Dumont.

  • Can I find deals for business class flights from District of Columbia to Santos Dumont?

    Yes. Cheapflights offers flight deals from District of Columbia to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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