HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$315+ Cheap flights from Santos Dumont, Brazil (SDU) to District of Columbia

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — IAD
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santos Dumont to District of Columbia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Santos Dumont to District of Columbia

Keep the following information in mind while searching for Santos Dumont to District of Columbia flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$512
(LATAM Airlines)

One-way from

$315
(LATAM Airlines)

Popular in

January

Cheapest in

October

Average price

$771
Provider with most accurate pricing for Rio de Janeiro (RIO)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Washington, D.C. (WAS) flights.
Search Deals
From Rio de Janeiro Santos Dumont to District of Columbia
Search Deals
One-way flight from Rio de Janeiro Santos Dumont to District of Columbia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Santos Dumont to District of Columbia

Cheapest flights from Santos Dumont to District of Columbia
Explore the most affordable flight options available from Santos Dumont to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This LATAM Airlines deal was found by Cheapflights users on 2/21. 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 7/38:20 pmSDU - DCA
2 stops23h 03mLATAM Airlines
Tue 7/1511:00 amDCA - SDU
2 stops25h 40mLATAM Airlines
Deal found 2/21$512
This United deal was found by Cheapflights users on 2/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:00 pmSDU - IAD
1 stop18h 25mUnited Airlines
Wed 10/810:35 pmIAD - SDU
1 stop16h 15mUnited Airlines
Deal found 2/21$636
This United Airlines deal was found by Cheapflights users on 2/21. 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 6/41:00 pmSDU - DCA
2 stops26h 13mUnited Airlines
Mon 6/167:59 pmDCA - SDU
2 stops42h 51mUnited Airlines
Deal found 2/21$718
This Kissandfly.com deal was found by Cheapflights users on 2/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:00 amSDU - IAD
2 stops33h 00mGOL
Fri 9/123:25 pmIAD - SDU
2 stops18h 15mGOL
Deal found 2/21$797
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Tue 3/257:50 amSDU - DCA
2 stops32h 39mAir Canada
Mon 3/316:59 amDCA - SDU
2 stops31h 51mAir Canada
Deal found 2/21$886
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Tue 3/257:50 amSDU - IAD
2 stops32h 23mAir Canada
Mon 3/3110:35 amIAD - SDU
2 stops28h 15mAir Canada
Deal found 2/21$886
This Azul deal was found by Cheapflights users on 2/20. 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 Azul is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:40 pmSDU - DCA
2 stops18h 30mAzul
Wed 4/92:00 pmDCA - SDU
2 stops18h 15mAzul
Deal found 2/20$1,212
This KAYAK deal was found by Cheapflights users on 2/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/278:20 pmSDU - IAD
2 stops17h 28mLATAM Airlines
Fri 7/253:00 pmIAD - SDU
2 stops17h 35mLATAM Airlines
Deal found 2/20$1,264
This oojo deal was found by Cheapflights users on 2/21. 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.
Fri 6/276:00 amSDU - DCA
2 stops16h 09mGOL
Fri 7/253:55 pmDCA - SDU
2 stops17h 45mGOL
Deal found 2/21$1,397

Find flights from Santos Dumont to District of Columbia within your budget

Customize your flight search to find flights from Santos Dumont to District of Columbia 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 February 22, 2025.

Fly from

Santos Dumont

Fly to

District of Columbia

Route

Depart

Return

Price

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Thu 7/3

8:20 pm-6:23 pm

2 stops23h 03m

Washington, D.C. Reagan-National

Tue 7/15

11:00 am-1:40 pm

2 stops25h 40m

$512

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 6/4

1:00 pm-6:25 am

1 stop18h 25m

Washington, D.C. Dulles Intl

Mon 6/16

10:35 pm-3:50 pm

1 stop16h 15m

$636

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Wed 6/4

1:00 pm-2:13 pm

2 stops26h 13m

Washington, D.C. Reagan-National

Mon 6/16

7:59 pm-3:50 pm

2 stops42h 51m

$718

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Tue 3/25

7:50 am-3:29 pm

2 stops32h 39m

Washington, D.C. Reagan-National

Mon 3/31

6:59 am-3:50 pm

2 stops31h 51m

$886

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 3/25

7:50 am-3:13 pm

2 stops32h 23m

Washington, D.C. Dulles Intl

Mon 3/31

10:35 am-3:50 pm

2 stops28h 15m

$886

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Thu 4/3

6:40 pm-12:10 pm

2 stops18h 30m

Washington, D.C. Reagan-National

Wed 4/9

2:00 pm-9:15 am

2 stops18h 15m

$1,212

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 6/27

8:20 pm-12:48 pm

2 stops17h 28m

Washington, D.C. Dulles Intl

Fri 7/25

3:00 pm-9:35 am

2 stops17h 35m

$1,264

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Fri 6/27

6:00 am-9:09 pm

2 stops16h 09m

Washington, D.C. Reagan-National

Fri 7/25

3:55 pm-10:40 am

2 stops17h 45m

$1,397

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Sun 3/16

1:55 pm-10:27 am

2 stops21h 32m

$315

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 3/30

6:10 am-5:13 pm

2 stops36h 03m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 18 results
1
2

Best time to book a flight from Santos Dumont to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Santos Dumont 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.

Travel insights for flights from Santos Dumont to District of Columbia

Get recent, data-driven insights about flights from Santos Dumont to District of Columbia including ideal travel times, pricing trends, and more.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated February 22, 2025.
Get a feel of what it's like to fly with Azul, LATAM Airlines and United Airlines from Rio de Janeiro to District of Columbia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.2

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Azul
8.0
Very good
792 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.2

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

LATAM Airlines
7.5
Good
1,789 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.2

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

United Airlines
7.4
Good
8,754 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.2

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

GOL
7.3
Good
1,066 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.2

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Air Canada
7.0
Good
8,757 reviews
Azul
8.0
Very good
792 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.2

Crew

8.6

Reviews

1 / 13

10.0
Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Related info for your journey

Find useful and relevant information for your journey from Santos Dumont to District of Columbia. 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 Rio de Janeiro Santos Dumont Airport to District of Columbia one-way?

    To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at $315. GOL flights start at $369 while deals on United Airlines start at $380 one-way.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Rio de Janeiro Santos Dumont Airport to District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro Santos Dumont Airport to District of Columbia (average of $309). Flying from Rio de Janeiro Santos Dumont Airport to District of Columbia in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santos Dumont to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Rio de Janeiro–Galeão Intl to Miami flights
Rio de Janeiro–Galeão Intl to Orlando flights
Rio de Janeiro–Galeão Intl to John F Kennedy Intl flights
Rio de Janeiro–Galeão Intl to Newark flights
Rio de Janeiro–Galeão Intl to LaGuardia flights
Santos Dumont to Orlando flights
Santos Dumont to John F Kennedy Intl flights
Santos Dumont to Miami flights
Rio de Janeiro–Galeão Intl to Fort Lauderdale flights
Rio de Janeiro–Galeão Intl to Los Angeles flights
Santos Dumont to Fort Lauderdale flights
Rio de Janeiro–Galeão Intl to Boston flights
Rio de Janeiro–Galeão Intl to San Francisco flights
Rio de Janeiro–Galeão Intl to Hobby flights
Santos Dumont to Los Angeles flights
Rio de Janeiro–Galeão Intl to Las Vegas flights
Santos Dumont to Boston flights
Rio de Janeiro–Galeão Intl to Dulles Intl flights
Rio de Janeiro–Galeão Intl to O'Hare Intl flights
Rio de Janeiro–Galeão Intl to Atlanta flights
Rio de Janeiro–Galeão Intl to George Bush Intcntl flights
Santos Dumont to Dulles Intl flights
Rio de Janeiro–Galeão Intl to Reagan-National flights
Rio de Janeiro–Galeão Intl to Baltimore flights
Rio de Janeiro–Galeão Intl to Dallas/Fort Worth flights
Rio de Janeiro–Galeão Intl to Midway flights
Santos Dumont to San Francisco flights
Rio de Janeiro–Galeão Intl to Denver flights
Rio de Janeiro–Galeão Intl to Tampa flights
Santos Dumont to Denver flights
Santos Dumont to Dallas/Fort Worth flights
Santos Dumont to Atlanta flights
Rio de Janeiro–Galeão Intl to San Diego flights
Rio de Janeiro–Galeão Intl to Austin flights
Rio de Janeiro–Galeão Intl to Portland flights
Rio de Janeiro–Galeão Intl to Seattle flights
Rio de Janeiro–Galeão Intl to Honolulu flights
Santos Dumont to George Bush Intcntl flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.