What are the cheapest airlines to fly from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport one-way?

$400 is the cheapest one-way deal found within the past few days, from Azul. You may also be able to find cheap deals on GOL and Delta, with prices starting from $473 and $488, respectively.

What is the cheapest month to book a flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport 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.

How far in advance should I book a flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport?

To save on the cost of your flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport, book at least 57 days before your planned departure. Booking around this time can save you about 116% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $624 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,152.

What is the cheapest month to fly from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, October can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from Rio de Janeiro Santos Dumont Airport in October are about $797 on average during October, but can be found for as low as $485.

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

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

Can I find deals for flights from Santos Dumont to Dulles Intl that include hotel bookings?

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

How can I find direct flights from Santos Dumont to Dulles Intl?

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

Can I find deals for business class flights from Santos Dumont to Dulles Intl?

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

$378+ Flights from Rio de Janeiro Santos Dumont Airport, Brazil to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Santos Dumont to Dulles Intl 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 Dulles Intl

Round-trip from	$690 (Air Canada)
One-way from	$378 (Kiwi.com)

From Rio de Janeiro Santos Dumont to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Rio de Janeiro Santos Dumont to Washington, D.C. Dulles Intl

Search Deals

Find flight deals from Santos Dumont to Dulles Intl

Cheapest flights from Santos Dumont to Dulles Intl
Explore the most affordable flight options available from Santos Dumont to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Wed 2/125:30 pmSDU - IAD

2 stops18h 16mMultiple Airlines

Sat 2/223:55 pmIAD - SDU

2 stops24h 05mMultiple Airlines

Deal found 1/16

$690

Tue 1/215:30 pmSDU - IAD

2 stops20h 00mAir Canada

Mon 1/278:18 amIAD - SDU

2 stops33h 52mAir Canada

Deal found 1/15

$896

Fri 2/76:05 amSDU - IAD

2 stops16h 39mAzul

Sun 2/161:10 pmIAD - SDU

2 stops18h 05mAzul

Deal found 1/16

$962

Wed 2/125:30 pmSDU - IAD

1 stop15h 05mUnited Airlines

Sat 2/2212:38 pmIAD - SDU

2 stops27h 22mUnited Airlines

Deal found 1/16

$1,084

Sat 4/268:20 pmSDU - IAD

2 stops16h 39mLATAM Airlines

Sat 9/67:05 pmIAD - SDU

2 stops17h 35mLATAM Airlines

Deal found 1/16

$1,151

Best flights from Santos Dumont to Dulles Intl
Discover carefully curated flight deals from Santos Dumont to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Wed 2/125:30 pmSDU - IAD

2 stops18h 16mMultiple Airlines

Sat 2/223:55 pmIAD - SDU

2 stops24h 05mMultiple Airlines

Deal found 1/16

$690

Mon 5/127:50 amSDU - IAD

2 stops28h 24mAir Canada

Mon 5/1910:30 amIAD - SDU

2 stops28h 20mAir Canada

Deal found 1/16

$899

Fri 2/76:05 amSDU - IAD

2 stops16h 39mAzul

Sun 2/161:10 pmIAD - SDU

2 stops18h 05mAzul

Deal found 1/16

$962

Wed 2/125:30 pmSDU - IAD

1 stop15h 05mUnited Airlines

Sat 2/2210:30 pmIAD - SDU

1 stop17h 30mUnited Airlines

Deal found 1/16

$1,084

Sat 4/268:20 pmSDU - IAD

2 stops16h 39mLATAM Airlines

Sat 9/67:05 pmIAD - SDU

2 stops17h 35mLATAM Airlines

Deal found 1/16

$1,151

Last-minute flights from Santos Dumont to Dulles Intl
Discover last-minute flight deals from Santos Dumont to Dulles Intl. Data last updated January 16, 2025 and is based on user searches.

Tue 1/215:30 pmSDU - IAD

2 stops20h 00mAir Canada

Sun 1/263:55 pmIAD - SDU

2 stops26h 15mAir Canada

Deal found 1/15

$896

Tue 1/217:50 amSDU - IAD

2 stops15h 30mAzul

Tue 1/281:12 pmIAD - SDU

2 stops18h 13mAzul

Deal found 1/15

$2,005

Fri 2/76:05 amSDU - IAD

2 stops16h 39mAzul

Sun 2/161:10 pmIAD - SDU

2 stops18h 05mAzul

Deal found 1/16

$962

Wed 2/125:30 pmSDU - IAD

2 stops18h 16mMultiple Airlines

Sat 2/223:55 pmIAD - SDU

2 stops24h 05mMultiple Airlines

Deal found 1/16

$690

Wed 2/125:30 pmSDU - IAD

1 stop15h 05mUnited Airlines

Sat 2/2210:30 pmIAD - SDU

1 stop17h 30mUnited Airlines

Deal found 1/16

$1,084

One-way flights from Santos Dumont to Dulles Intl
Search for one-way flight options from Santos Dumont to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated January 16, 2025.

Tue 3/189:50 amSDU - IAD

2 stops32h 04mMultiple Airlines

Deal found 1/15

$378

Wed 3/129:40 pmSDU - IAD

2 stops14h 52mAzul

Deal found 1/16

$400

Fri 2/218:30 pmSDU - IAD

2 stops42h 30mGOL

Deal found 1/16

$473

Tue 3/112:40 pmSDU - IAD

2 stops47h 13mDelta

Deal found 1/16

$488

Mon 2/245:30 pmSDU - IAD

2 stops23h 43mAir Canada

Deal found 1/16

$531

Fri 2/215:30 pmSDU - IAD

1 stop15h 05mUnited Airlines

Deal found 1/16

$552

Fri 2/212:45 pmSDU - IAD

3 stops21h 08mLATAM Airlines

Deal found 1/16

$670

Mon 2/175:30 pmSDU - IAD

3 stops53h 30mTAP AIR PORTUGAL

Deal found 1/16

$3,411

Find flights from Santos Dumont to Dulles Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 2/12

5:30 pm-9:46 am

2 stops18h 16m

Washington, D.C. Dulles Intl

Sat 2/22

3:55 pm-6:00 pm

2 stops24h 05m

$690

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 5/12

7:50 am-11:14 am

2 stops28h 24m

Washington, D.C. Dulles Intl

Mon 5/19

10:30 am-3:50 pm

2 stops28h 20m

$899

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 2/7

6:05 am-8:44 pm

2 stops16h 39m

Washington, D.C. Dulles Intl

Sun 2/16

1:10 pm-9:15 am

2 stops18h 05m

$962

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 2/12

5:30 pm-6:35 am

1 stop15h 05m

Washington, D.C. Dulles Intl

Sat 2/22

10:30 pm-6:00 pm

1 stop17h 30m

$1,084

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Sat 4/26

8:20 pm-11:59 am

2 stops16h 39m

Washington, D.C. Dulles Intl

Sat 9/6

7:05 pm-1:40 pm

2 stops17h 35m

$1,151

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 3/18

9:50 am-4:54 pm

2 stops32h 04m

$378

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Wed 3/12

9:40 pm-11:32 am

2 stops14h 52m

$400

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Fri 2/21

8:30 pm-1:00 pm

2 stops42h 30m

$473

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Tue 3/11

2:40 pm-12:53 pm

2 stops47h 13m

$488

Rio de JaneiroWashington, D.C.

SDU - IAD

SDUIAD

Rio de Janeiro Santos Dumont

Mon 2/24

5:30 pm-3:13 pm

2 stops23h 43m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 13 results

Best time to book a flight from Santos Dumont to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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 Dulles Intl

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

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get a feel of what it's like to fly with Air Canada and Azul from Rio de Janeiro to Washington, D.C. 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

812 reviews

Reviews

1 / 10

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

812 reviews

Azul

8.0

Very good

812 reviews

Reviews

1 / 10

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.

Delta

8.0

Very good

8,511 reviews

Azul

8.0

Very good

812 reviews

Reviews

1 / 10

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

1,849 reviews

Azul

8.0

Very good

812 reviews

Reviews

1 / 10

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

8,965 reviews

Azul

8.0

Very good

812 reviews

Reviews

1 / 10

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

1,088 reviews

Azul

8.0

Very good

812 reviews

Reviews

1 / 10

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

What are the cheapest airlines to fly from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport one-way?
$400 is the cheapest one-way deal found within the past few days, from Azul. You may also be able to find cheap deals on GOL and Delta, with prices starting from $473 and $488, respectively.
Can I find deals for flights from Santos Dumont to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Santos Dumont to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Santos Dumont to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santos Dumont to Dulles Intl.
Can I find deals for business class flights from Santos Dumont to Dulles Intl?
Yes. Cheapflights offers flight deals from Santos Dumont to Dulles Intl 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 Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport 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

Fairfax

Arlington

Alexandria

Springfield

Silver Spring

Rockville

Tysons

Gaithersburg

Fredericksburg

Linthicum Heights

Laurel

Falls Church

Greenbelt

Sterling

Easton

Oxon Hill

Herndon

Woodbridge

Bowie

Reston

Browse thousands of different options on Cheapflights for your next trip

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.

$378+ Cheap flights from Santos Dumont, Brazil (SDU) to Dulles Intl (IAD)

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santos Dumont to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Santos Dumont to Dulles Intl

Round-trip from

One-way from

Find flight deals from Santos Dumont to Dulles Intl

Cheapest flights from Santos Dumont to Dulles IntlExplore the most affordable flight options available from Santos Dumont to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Explore the most affordable flight options available from Santos Dumont to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Find flights from Santos Dumont to Dulles Intl within your budget

Best time to book a flight from Santos Dumont to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Santos Dumont with our price prediction graph.

Travel insights for flights from Santos Dumont to Dulles Intl

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

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Air Canada and Azul from Rio de Janeiro to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Santos Dumont to Dulles Intl. 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 Washington, D.C. Dulles Intl Airport one-way?

Can I find deals for flights from Santos Dumont to Dulles Intl that include hotel bookings?

How can I find direct flights from Santos Dumont to Dulles Intl?

Can I find deals for business class flights from Santos Dumont to Dulles Intl?

What is the cheapest month to book a flight from Rio de Janeiro Santos Dumont Airport to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Rio de Janeiro Santos Dumont Airport?

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 Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Santos Dumont to Dulles Intl
Explore the most affordable flight options available from Santos Dumont to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.