How long is the flight from State of Washington to Rio de Janeiro Santos Dumont Airport?

For as low as $1,397, Air Canada can have you in Rio de Janeiro Santos Dumont Airport from State of Washington in 22h 16m. The distance from State of Washington to Rio de Janeiro Santos Dumont Airport is about 6849 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

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).

How far in advance should I book a flight from State of Washington to Rio de Janeiro Santos Dumont Airport?

To save up to 58% on this flight, we recommend booking at least 8 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from State of Washington to Rio de Janeiro Santos Dumont Airport from $770 1-2 weeks out and tickets from $1,223 for flights departing within the next 72 hours.

What is the cheapest month to fly from State of Washington to Rio de Janeiro Santos Dumont Airport?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to Rio de Janeiro Santos Dumont Airport. Flights to Rio de Janeiro Santos Dumont Airport from State of Washington in October are about $1,287 on average during October, but can be found for as low as $796.

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

When flying from State of Washington to Rio de Janeiro Santos Dumont Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Washington to Santos Dumont?

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

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

Yes. Cheapflights offers flight deals from Washington 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.

$350+ Flights from Washington to Rio de Janeiro Santos Dumont Airport, Brazil

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Cheap flight deals from Washington to Santos Dumont

Round-trip from	$783 (Air Canada)
One-way from	$350 (Kiwi.com)
Popular in	July
Cheapest in	October
Average price	$1,243

From Washington to Rio de Janeiro Santos Dumont

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One-way flight from Washington to Rio de Janeiro Santos Dumont

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($129 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Washington to Santos Dumont

Cheapest flights from Washington to Santos Dumont
Explore the most affordable flight options available from Washington to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Wed 9/177:15 amSEA - SDU

2 stops27h 05mAir Canada

Wed 9/2411:25 amSDU - SEA

2 stops36h 06mAir Canada

Deal found 8/15

$783

Tue 9/167:15 amSEA - SDU

2 stops27h 05mMultiple Airlines

Tue 9/2311:25 amSDU - SEA

2 stops27h 34mMultiple Airlines

Deal found 8/17

$794

Thu 11/278:15 amSEA - SDU

2 stops25h 05mMultiple Airlines

Sun 12/78:30 amSDU - SEA

2 stops42h 26mMultiple Airlines

Deal found 8/17

$906

Wed 10/17:15 amSEA - SDU

2 stops27h 05mAir Canada

Wed 10/811:25 amSDU - SEA

2 stops36h 06mAir Canada

Deal found 8/17

$983

Tue 9/3012:00 pmSEA - SDU

2 stops22h 20mAir Canada

Tue 10/711:25 amSDU - SEA

2 stops27h 34mAir Canada

Deal found 8/16

$996

Wed 10/87:15 amSEA - SDU

2 stops27h 05mMultiple Airlines

Thu 12/2511:25 amSDU - SEA

2 stops39h 31mMultiple Airlines

Deal found 8/18

$1,034

Sat 10/187:30 amSEA - SDU

2 stops30h 15mMultiple Airlines

Sun 10/268:30 amSDU - SEA

2 stops41h 26mMultiple Airlines

Deal found 8/16

$1,041

Fri 10/107:15 amSEA - SDU

2 stops27h 05mAir Canada

Sat 10/2511:25 amSDU - SEA

2 stops38h 31mAir Canada

Deal found 8/18

$1,078

Fri 11/218:15 amSEA - SDU

2 stops25h 05mMultiple Airlines

Sun 11/308:30 amSDU - SEA

2 stops42h 26mMultiple Airlines

Deal found 8/17

$1,276

Mon 9/112:05 pmSEA - SDU

2 stops22h 15mMultiple Airlines

Thu 9/411:25 amSDU - SEA

2 stops36h 06mMultiple Airlines

Deal found 8/18

$1,301

Fri 10/101:12 pmSEA - SDU

2 stops21h 08mMultiple Airlines

Sat 10/2511:25 amSDU - SEA

2 stops28h 20mMultiple Airlines

Deal found 8/17

$1,386

Tue 9/97:19 amPDX - SDU

2 stops22h 16mLATAM Airlines

Tue 9/308:20 pmSDU - PDX

2 stops19h 25mLATAM Airlines

Deal found 8/16

$1,397

Best flights from Washington to Santos Dumont
Discover carefully curated flight deals from Washington to Santos Dumont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Wed 9/177:15 amSEA - SDU

2 stops27h 05mAir Canada

Wed 9/2411:25 amSDU - SEA

2 stops36h 06mAir Canada

Deal found 8/15

$783

Tue 9/167:15 amSEA - SDU

2 stops27h 05mMultiple Airlines

Tue 9/2311:25 amSDU - SEA

2 stops27h 34mMultiple Airlines

Deal found 8/17

$794

Tue 9/97:19 amPDX - SDU

2 stops22h 16mLATAM Airlines

Tue 9/308:20 pmSDU - PDX

2 stops19h 25mLATAM Airlines

Deal found 8/16

$1,397

Thu 11/278:15 amSEA - SDU

2 stops25h 05mMultiple Airlines

Sun 12/78:30 amSDU - SEA

2 stops42h 26mMultiple Airlines

Deal found 8/16

$906

Wed 10/17:15 amSEA - SDU

2 stops27h 05mAir Canada

Wed 10/811:25 amSDU - SEA

2 stops36h 06mAir Canada

Deal found 8/17

$983

Thu 11/68:15 amSEA - SDU

2 stops25h 05mMultiple Airlines

Sun 11/162:55 pmSDU - SEA

2 stops36h 01mMultiple Airlines

Deal found 8/16

$906

Tue 9/3012:00 pmSEA - SDU

2 stops22h 20mAir Canada

Tue 10/711:25 amSDU - SEA

2 stops27h 34mAir Canada

Deal found 8/16

$996

Wed 2/118:15 amSEA - SDU

2 stops25h 05mMultiple Airlines

Wed 2/2511:25 amSDU - SEA

2 stops39h 31mMultiple Airlines

Deal found 8/18

$906

Sun 2/18:15 amSEA - SDU

2 stops25h 05mMultiple Airlines

Sun 2/222:55 pmSDU - SEA

2 stops36h 01mMultiple Airlines

Deal found 8/17

$1,006

Sat 9/67:00 amPDX - SDU

2 stops26h 35mLATAM Airlines

Fri 9/128:20 pmSDU - PDX

2 stops31h 19mLATAM Airlines

Deal found 8/16

$1,475

Wed 10/87:15 amSEA - SDU

2 stops27h 05mMultiple Airlines

Thu 12/2511:25 amSDU - SEA

2 stops39h 31mMultiple Airlines

Deal found 8/18

$1,034

Fri 10/177:00 amPDX - SDU

2 stops26h 50mLATAM Airlines

Tue 10/288:05 pmSDU - PDX

2 stops19h 30mLATAM Airlines

Deal found 8/15

$1,495

Last-minute flights from Washington to Santos Dumont
Discover last-minute flight deals from Washington to Santos Dumont. Data last updated August 18, 2025 and is based on user searches.

Mon 8/187:00 amPDX - SDU

2 stops22h 35mLATAM Airlines

Tue 8/198:20 pmSDU - PDX

2 stops21h 04mLATAM Airlines

Deal found 8/15

$1,814

Tue 8/197:24 amPDX - SDU

2 stops22h 11mLATAM Airlines

Tue 8/262:25 pmSDU - PDX

2 stops25h 14mLATAM Airlines

Deal found 8/18

$1,854

Thu 8/217:18 amSEA - SDU

2 stops22h 17mMultiple Airlines

Sat 8/238:40 pmSDU - SEA

2 stops31h 34mMultiple Airlines

Deal found 8/17

$2,230

Fri 8/297:19 amPDX - SDU

2 stops22h 16mLATAM Airlines

Fri 9/58:20 pmSDU - PDX

2 stops19h 09mLATAM Airlines

Deal found 8/17

$1,592

Fri 8/2912:05 pmSEA - SDU

2 stops22h 15mAir Canada

Mon 9/111:25 amSDU - SEA

2 stops36h 06mAir Canada

Deal found 8/18

$1,646

Mon 9/112:05 pmSEA - SDU

2 stops22h 15mMultiple Airlines

Thu 9/411:25 amSDU - SEA

2 stops36h 06mMultiple Airlines

Deal found 8/18

$1,301

Sat 9/67:00 amPDX - SDU

2 stops26h 35mLATAM Airlines

Fri 9/128:20 pmSDU - PDX

2 stops31h 19mLATAM Airlines

Deal found 8/16

$1,475

Tue 9/97:19 amPDX - SDU

2 stops22h 16mLATAM Airlines

Tue 9/308:20 pmSDU - PDX

2 stops19h 25mLATAM Airlines

Deal found 8/16

$1,397

Sun 9/147:15 amPDX - SDU

2 stops26h 05mLATAM Airlines

Sun 9/218:20 pmSDU - PDX

2 stops19h 25mLATAM Airlines

Deal found 8/15

$1,627

Tue 9/167:15 amSEA - SDU

2 stops27h 05mMultiple Airlines

Tue 9/2311:25 amSDU - SEA

2 stops27h 34mMultiple Airlines

Deal found 8/17

$794

Wed 9/177:15 amSEA - SDU

2 stops27h 05mAir Canada

Wed 9/2411:25 amSDU - SEA

2 stops36h 06mAir Canada

Deal found 8/15

$783

Tue 9/3012:00 pmSEA - SDU

2 stops22h 20mAir Canada

Tue 10/711:25 amSDU - SEA

2 stops27h 34mAir Canada

Deal found 8/16

$996

One-way flights from Washington to Santos Dumont
Search for one-way flight options from Washington to Santos Dumont. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Mon 11/32:22 pmSEA - SDU

3 stops42h 58mMultiple Airlines

Deal found 8/16

$350

Tue 11/412:58 pmSEA - SDU

3 stops44h 22mMultiple Airlines

Deal found 8/16

$356

Mon 10/66:12 amSEA - SDU

3 stops50h 48mMultiple Airlines

Deal found 8/17

$388

Thu 10/21:08 pmPDX - SDU

3 stops43h 52mMultiple Airlines

Deal found 8/18

$393

Sun 10/198:34 amSEA - SDU

2 stops33h 51mMultiple Airlines

Deal found 8/18

$449

Tue 10/217:30 amSEA - SDU

2 stops26h 50mMultiple Airlines

Deal found 8/16

$511

Tue 12/2311:25 pmSEA - SDU

2 stops32h 35mMultiple Airlines

Deal found 8/16

$537

Mon 12/1510:55 pmSEA - SDU

2 stops30h 50mMultiple Airlines

Deal found 8/18

$577

Thu 2/127:00 amSEA - SDU

2 stops26h 20mUnited Airlines

Deal found 8/18

$704

Mon 9/16:00 amPDX - SDU

2 stops27h 40mLATAM Airlines

Deal found 8/18

$834

Mon 9/112:54 pmPDX - SDU

2 stops21h 26mUnited Airlines

Deal found 8/17

$899

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 9/17

7:15 am-2:20 pm

2 stops27h 05m

Rio de Janeiro Santos Dumont

Wed 9/24

11:25 am-7:31 pm

2 stops36h 06m

$783

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 9/16

7:15 am-2:20 pm

2 stops27h 05m

Rio de Janeiro Santos Dumont

Tue 9/23

11:25 am-10:59 am

2 stops27h 34m

$794

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 11/27

8:15 am-2:20 pm

2 stops25h 05m

Rio de Janeiro Santos Dumont

Sun 12/7

8:30 am-9:56 pm

2 stops42h 26m

$906

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 11/6

8:15 am-2:20 pm

2 stops25h 05m

Rio de Janeiro Santos Dumont

Sun 11/16

2:55 pm-9:56 pm

2 stops36h 01m

$906

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 2/11

8:15 am-2:20 pm

2 stops25h 05m

Rio de Janeiro Santos Dumont

Wed 2/25

11:25 am-9:56 pm

2 stops39h 31m

$906

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 10/1

7:15 am-2:20 pm

2 stops27h 05m

Rio de Janeiro Santos Dumont

Wed 10/8

11:25 am-7:31 pm

2 stops36h 06m

$983

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 9/30

12:00 pm-2:20 pm

2 stops22h 20m

Rio de Janeiro Santos Dumont

Tue 10/7

11:25 am-10:59 am

2 stops27h 34m

$996

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 2/1

8:15 am-2:20 pm

2 stops25h 05m

Rio de Janeiro Santos Dumont

Sun 2/22

2:55 pm-9:56 pm

2 stops36h 01m

$1,006

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 10/8

7:15 am-2:20 pm

2 stops27h 05m

Rio de Janeiro Santos Dumont

Thu 12/25

11:25 am-9:56 pm

2 stops39h 31m

$1,034

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Fri 10/31

8:15 am-2:20 pm

2 stops26h 05m

Rio de Janeiro Santos Dumont

Sun 11/9

8:30 am-9:56 pm

2 stops42h 26m

$1,041

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 28 results

Best time to book a flight from Washington to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Washington 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 Washington to Rio de Janeiro Santos Dumont Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from State of Washington to Rio de Janeiro Santos Dumont Airport?
For as low as $1,397, Air Canada can have you in Rio de Janeiro Santos Dumont Airport from State of Washington in 22h 16m. The distance from State of Washington to Rio de Janeiro Santos Dumont Airport is about 6849 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 Washington to Santos Dumont that include hotel bookings?
Yes. In addition to deals on Washington to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Santos Dumont?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Santos Dumont.
Can I find deals for business class flights from Washington to Santos Dumont?
Yes. Cheapflights offers flight deals from Washington 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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$350+ Cheap flights from Washington 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Santos Dumont with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Washington to Santos Dumont

Keep the following information in mind while searching for Washington to Santos Dumont flight deals. Data was last updated August 18, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Santos Dumont

Cheapest flights from Washington to Santos DumontExplore the most affordable flight options available from Washington to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from Washington to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Rio de Janeiro Santos Dumont Airport that are best for you.

Best time to book a flight from Washington to Santos Dumont

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

Cheapflights Insights

Everything you need to know about your flight from Washington to Rio de Janeiro Santos Dumont Airport

Related info for your journey

Find useful and relevant information for your journey from Washington to Santos Dumont. 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 State of Washington to Rio de Janeiro Santos Dumont Airport?

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

How can I find direct flights from Washington to Santos Dumont?

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

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Cheapest flights from Washington to Santos Dumont
Explore the most affordable flight options available from Washington to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.