District of Columbia

$272+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — IAD
Jan 22 — Jan 291
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Cheap 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 December 23, 2025.

This 123 Milhas deal was found by Cheapflights users on 12/20. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:05 pmSDU - DCA
2 stops21h 16mLATAM Airlines
Fri 1/91:40 pmDCA - SDU
2 stops17h 55mLATAM Airlines
Deal found 12/20$1,386
This 123 Milhas deal was found by Cheapflights users on 12/20. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:05 pmSDU - IAD
2 stops22h 43mLATAM Airlines
Fri 1/93:00 pmIAD - SDU
2 stops16h 35mLATAM Airlines
Deal found 12/20$1,386
This LATAM Airlines deal was found by Cheapflights users on 12/22. 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 12/248:05 pmSDU - DCA
2 stops18h 51mLATAM Airlines
Sat 1/36:49 pmDCA - SDU
2 stops16h 26mLATAM Airlines
Deal found 12/22$2,254
This 123 Milhas deal was found by Cheapflights users on 12/22. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:15 pmSDU - IAD
2 stops25h 37mAzul
Sat 1/35:12 pmIAD - SDU
2 stops24h 43mAzul
Deal found 12/22$2,289
This Air Canada deal was found by Cheapflights users on 12/21. 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.
Sun 12/212:50 pmSDU - DCA
2 stops20h 05mAir Canada
Fri 1/96:50 pmDCA - SDU
2 stops17h 45mAir Canada
Deal found 12/21$2,301

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$515
(LATAM Airlines)

One-way from

$272
(LATAM Airlines)

Popular in

June

Cheapest in

March

Average price

$569
Provider with most accurate pricing for Rio de Janeiro (RIO)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Washington, D.C. (WAS) flights.
From Rio de Janeiro Santos Dumont to District of Columbia
One-way flight from Rio de Janeiro Santos Dumont to District of Columbia
Highest demand for flights based on searches. 14% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
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 December 23, 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to District of Columbia that are best for you.

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 3/19

8:05 pm-11:36 am

2 stops16h 31m

Washington, D.C. Reagan-National

Mon 3/23

11:00 am-1:15 pm

2 stops25h 15m

$515

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-6:40 am

1 stop17h 55m

Washington, D.C. Dulles Intl

Mon 3/23

11:30 pm-4:40 pm

1 stop16h 10m

$658

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-2:13 pm

2 stops25h 28m

Washington, D.C. Reagan-National

Tue 3/31

8:00 pm-4:45 pm

2 stops43h 45m

$665

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-2:13 pm

2 stops25h 28m

Washington, D.C. Reagan-National

Mon 3/23

6:00 pm-4:40 pm

2 stops21h 40m

$665

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Tue 1/20

11:20 am-6:05 pm

2 stops32h 45m

Washington, D.C. Reagan-National

Tue 1/27

4:15 pm-2:10 pm

2 stops19h 55m

$725

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 1/20

11:20 am-3:46 pm

2 stops30h 26m

Washington, D.C. Dulles Intl

Thu 3/12

9:55 am-4:40 pm

2 stops29h 45m

$725

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Fri 1/30

8:05 pm-10:23 am

2 stops16h 18m

Washington, D.C. Reagan-National

Thu 3/19

1:45 pm-9:25 am

2 stops18h 40m

$769

Rio de JaneiroWashington, D.C.

SDU - DCA

SDUDCA

Rio de Janeiro Santos Dumont

Wed 5/6

1:45 pm-9:55 pm

2 stops33h 10m

Washington, D.C. Reagan-National

Wed 6/3

6:00 am-4:45 pm

2 stops33h 45m

$850

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 5/6

1:45 pm-6:58 pm

2 stops30h 13m

Washington, D.C. Dulles Intl

Wed 6/3

9:45 am-4:45 pm

2 stops30h 00m

$850

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sun 3/15

8:05 pm-12:39 pm

2 stops17h 34m

Washington, D.C. Dulles Intl

Fri 3/20

7:59 pm-1:15 pm

2 stops16h 16m

$877

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 33 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Rio de Janeiro Santos Dumont Airport to District of Columbia
No data available for this route at this time. Please check back soon.

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.
  • How long is the flight from Rio de Janeiro Santos Dumont Airport to District of Columbia?

    Departing from Rio de Janeiro Santos Dumont Airport to District of Columbia will take you 16h 31m. The distance from Rio de Janeiro Santos Dumont Airport to District of Columbia is about 4794 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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