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

For as low as $896, Air Canada can have you in Rio de Janeiro Santos Dumont Airport from State of Washington in 25h 10m. The distance from State of Washington to Rio de Janeiro Santos Dumont Airport is about 6888 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).

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.

$383+ Flights from Washington to Rio de Janeiro Santos Dumont Airport, Brazil

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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 October 23, 2025.

Thu 12/48:45 amSEA - SDU

2 stops24h 25mMultiple Airlines

Wed 12/176:00 amSDU - SEA

2 stops21h 30mMultiple Airlines

Deal found 10/21

$927

Sat 12/68:45 amSEA - SDU

2 stops21h 00mMultiple Airlines

Sat 12/136:00 amSDU - SEA

2 stops21h 30mMultiple Airlines

Deal found 10/22

$1,043

Wed 11/198:10 amSEA - SDU

3 stops29h 00mMultiple Airlines

Wed 11/261:45 pmSDU - SEA

3 stops29h 46mMultiple Airlines

Deal found 10/22

$1,068

Thu 11/136:30 pmPDX - SDU

3 stops35h 15mMultiple Airlines

Tue 11/188:10 amSDU - PDX

3 stops35h 30mMultiple Airlines

Deal found 10/21

$1,297

Sun 12/71:40 pmSEA - SDU

2 stops45h 55mUnited Airlines

Sun 12/142:50 pmSDU - SEA

2 stops35h 04mUnited Airlines

Deal found 10/22

$1,319

Thu 11/277:55 amSEA - SDU

2 stops20h 30mLATAM Airlines

Sun 12/78:05 pmSDU - SEA

2 stops21h 34mLATAM Airlines

Deal found 10/22

$1,327

Wed 12/2412:00 pmSEA - SDU

2 stops20h 15mLATAM Airlines

Wed 1/78:05 pmSDU - SEA

2 stops21h 24mLATAM Airlines

Deal found 10/23

$1,330

Mon 11/2410:37 amPDX - SDU

2 stops21h 38mMultiple Airlines

Wed 12/105:10 pmSDU - PDX

2 stops32h 00mMultiple Airlines

Deal found 10/21

$1,333

Mon 12/17:15 amPDX - SDU

2 stops25h 00mMultiple Airlines

Mon 12/88:05 pmSDU - PDX

2 stops29h 45mMultiple Airlines

Deal found 10/22

$1,418

Tue 12/212:55 pmPDX - SDU

2 stops22h 45mUnited Airlines

Tue 12/91:45 pmSDU - PDX

2 stops27h 27mUnited Airlines

Deal found 10/23

$1,458

Sat 12/610:50 amPDX - SDU

2 stops19h 20mUnited Airlines

Sat 12/135:30 pmSDU - PDX

2 stops23h 18mUnited Airlines

Deal found 10/21

$1,463

Tue 12/212:55 pmPDX - SDU

2 stops22h 45mUnited Airlines

Sat 12/135:30 pmSDU - PDX

2 stops23h 18mUnited Airlines

Deal found 10/23

$1,498

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 October 23, 2025.

Wed 3/48:10 amSEA - SDU

2 stops25h 10mMultiple Airlines

Wed 3/1811:25 amSDU - SEA

2 stops38h 51mMultiple Airlines

Deal found 10/21

$806

Mon 2/98:10 amSEA - SDU

2 stops25h 10mAir Canada

Mon 2/1611:20 amSDU - SEA

2 stops39h 56mAir Canada

Deal found 10/21

$896

Fri 3/1311:59 pmSEA - SDU

2 stops37h 46mUnited Airlines

Sun 3/222:55 pmSDU - SEA

2 stops32h 03mUnited Airlines

Deal found 10/20

$1,182

Wed 4/157:00 amPDX - SDU

2 stops26h 40mLATAM Airlines

Wed 4/228:20 pmSDU - PDX

2 stops26h 42mLATAM Airlines

Deal found 10/22

$1,315

Wed 2/118:10 amSEA - SDU

2 stops25h 10mAir Canada

Mon 2/2311:25 amSDU - SEA

2 stops39h 51mAir Canada

Deal found 10/21

$995

Sun 2/158:10 amSEA - SDU

2 stops25h 10mMultiple Airlines

Mon 2/231:45 pmSDU - SEA

2 stops37h 31mMultiple Airlines

Deal found 10/22

$1,001

Sun 2/228:10 amSEA - SDU

2 stops25h 10mAir Canada

Tue 2/2411:25 amSDU - SEA

2 stops39h 51mAir Canada

Deal found 10/20

$1,036

Sun 3/158:10 amSEA - SDU

2 stops26h 10mMultiple Airlines

Sun 3/228:25 pmSDU - SEA

2 stops30h 56mMultiple Airlines

Deal found 10/21

$1,119

Mon 1/128:10 amSEA - SDU

2 stops25h 00mAir Canada

Mon 1/2611:20 amSDU - SEA

2 stops39h 56mAir Canada

Deal found 10/22

$1,156

Tue 12/212:55 pmPDX - SDU

2 stops22h 45mUnited Airlines

Tue 12/91:45 pmSDU - PDX

2 stops27h 27mUnited Airlines

Deal found 10/23

$1,458

Sat 11/157:20 amPDX - SDU

2 stops25h 00mLATAM Airlines

Thu 11/208:05 pmSDU - PDX

2 stops20h 41mLATAM Airlines

Deal found 10/20

$1,524

Thu 11/136:30 pmPDX - SDU

3 stops35h 15mMultiple Airlines

Tue 11/188:10 amSDU - PDX

3 stops35h 30mMultiple Airlines

Deal found 10/21

$1,297

Sat 12/610:50 amPDX - SDU

2 stops19h 20mUnited Airlines

Sat 12/135:30 pmSDU - PDX

2 stops23h 18mUnited Airlines

Deal found 10/21

$1,463

Mon 11/2410:37 amPDX - SDU

2 stops21h 38mMultiple Airlines

Wed 12/105:10 pmSDU - PDX

2 stops32h 00mMultiple Airlines

Deal found 10/21

$1,333

Tue 12/212:55 pmPDX - SDU

2 stops22h 45mUnited Airlines

Sat 12/135:30 pmSDU - PDX

2 stops23h 18mUnited Airlines

Deal found 10/23

$1,498

Sat 11/297:00 amPDX - SDU

2 stops23h 10mUnited Airlines

Sat 12/65:30 pmSDU - PDX

3 stops34h 22mUnited Airlines

Deal found 10/21

$1,538

Mon 12/17:15 amPDX - SDU

2 stops25h 00mMultiple Airlines

Mon 12/88:05 pmSDU - PDX

2 stops29h 45mMultiple Airlines

Deal found 10/22

$1,418

Sat 11/1510:52 amPDX - SDU

2 stops19h 18mUnited Airlines

Sat 11/225:30 pmSDU - PDX

2 stops23h 18mUnited Airlines

Deal found 10/21

$1,568

Last-minute flights from Washington to Santos Dumont
Discover last-minute flight deals from Washington to Santos Dumont. Data last updated October 23, 2025 and is based on user searches.

Tue 11/118:35 amSEA - SDU

2 stops32h 50mMultiple Airlines

Sun 11/232:00 pmSDU - SEA

2 stops29h 29mMultiple Airlines

Deal found 10/21

$1,522

Thu 11/136:30 pmPDX - SDU

3 stops35h 15mMultiple Airlines

Tue 11/188:10 amSDU - PDX

3 stops35h 30mMultiple Airlines

Deal found 10/21

$1,297

Sat 11/156:29 amPDX - SDU

2 stops22h 06mDelta

Thu 11/208:05 pmSDU - PDX

2 stops27h 54mDelta

Deal found 10/23

$1,509

Sat 11/157:05 amPDX - SDU

2 stops25h 15mMultiple Airlines

Sat 11/228:05 pmSDU - PDX

2 stops29h 39mMultiple Airlines

Deal found 10/23

$1,514

Sat 11/157:20 amPDX - SDU

2 stops25h 00mLATAM Airlines

Thu 11/208:05 pmSDU - PDX

2 stops20h 41mLATAM Airlines

Deal found 10/20

$1,524

Wed 11/198:10 amSEA - SDU

3 stops29h 00mMultiple Airlines

Wed 11/261:45 pmSDU - SEA

3 stops29h 46mMultiple Airlines

Deal found 10/22

$1,068

Wed 11/1911:59 pmSEA - SDU

2 stops35h 41mUnited Airlines

Wed 11/261:45 pmSDU - SEA

2 stops26h 45mUnited Airlines

Deal found 10/22

$1,426

Fri 11/218:10 amSEA - SDU

2 stops31h 05mMultiple Airlines

Wed 12/31:45 pmSDU - SEA

2 stops37h 31mMultiple Airlines

Deal found 10/21

$1,436

Fri 11/218:10 amSEA - SDU

2 stops31h 05mAir Canada

Wed 12/31:45 pmSDU - SEA

2 stops37h 31mAir Canada

Deal found 10/22

$1,491

Mon 11/2410:37 amPDX - SDU

2 stops21h 38mMultiple Airlines

Wed 12/105:10 pmSDU - PDX

2 stops32h 00mMultiple Airlines

Deal found 10/21

$1,333

Thu 11/277:55 amSEA - SDU

2 stops20h 30mLATAM Airlines

Sun 12/78:05 pmSDU - SEA

2 stops21h 34mLATAM Airlines

Deal found 10/22

$1,327

Thu 11/2712:39 pmSEA - SDU

2 stops23h 01mUnited Airlines

Sun 12/72:50 pmSDU - SEA

2 stops25h 55mUnited Airlines

Deal found 10/21

$1,378

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 October 23, 2025.

Tue 11/186:15 pmSEA - SDU

3 stops45h 30mMultiple Airlines

Deal found 10/22

$383

Sun 2/88:40 pmSEA - SDU

3 stops36h 40mMultiple Airlines

Deal found 10/21

$408

Tue 11/259:00 amSEA - SDU

3 stops50h 45mMultiple Airlines

Deal found 10/21

$432

Tue 4/217:00 amPDX - SDU

2 stops44h 40mMultiple Airlines

Deal found 10/21

$459

Mon 12/110:15 pmSEA - SDU

3 stops37h 25mMultiple Airlines

Deal found 10/22

$491

Thu 3/268:10 amSEA - SDU

2 stops26h 10mAir Canada

Deal found 10/22

$506

Fri 2/207:00 amPDX - SDU

3 stops45h 35mMultiple Airlines

Deal found 10/22

$633

Wed 12/179:30 pmPDX - SDU

3 stops32h 15mMultiple Airlines

Deal found 10/23

$659

Wed 4/18:30 amSEA - SDU

3 stops25h 50mUnited Airlines

Deal found 10/22

$694

Wed 1/1411:59 pmPDX - SDU

2 stops33h 31mUnited Airlines

Deal found 10/22

$785

Tue 11/46:15 pmSEA - SDU

3 stops46h 55mMultiple Airlines

Deal found 10/22

$1,522

Thu 11/67:00 amPDX - SDU

3 stops52h 50mMultiple Airlines

Deal found 10/20

$1,697

Cheap flight deals from Washington to Santos Dumont

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$806 (Air Canada)
One-way from	$383 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$1,386

Provider with most accurate pricing for Seattle/Tacoma Intl-Rio de Janeiro (RIO) flight deals.

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From Washington to Rio de Janeiro Santos Dumont

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

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Highest demand for flights based on searches. 3% potential increase in price ($47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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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 3/4

8:10 am-2:20 pm

2 stops25h 10m

Rio de Janeiro Santos Dumont

Wed 3/18

11:25 am-10:16 pm

2 stops38h 51m

$806

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Mon 2/9

8:10 am-2:20 pm

2 stops25h 10m

Rio de Janeiro Santos Dumont

Mon 2/16

11:20 am-10:16 pm

2 stops39h 56m

$896

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 2/11

8:10 am-2:20 pm

2 stops25h 10m

Rio de Janeiro Santos Dumont

Mon 2/23

11:25 am-10:16 pm

2 stops39h 51m

$995

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 2/15

8:10 am-2:20 pm

2 stops25h 10m

Rio de Janeiro Santos Dumont

Mon 2/23

1:45 pm-10:16 pm

2 stops37h 31m

$1,001

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 2/22

8:10 am-2:20 pm

2 stops25h 10m

Rio de Janeiro Santos Dumont

Tue 2/24

11:25 am-10:16 pm

2 stops39h 51m

$1,036

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 3/15

8:10 am-2:20 pm

2 stops26h 10m

Rio de Janeiro Santos Dumont

Sun 3/22

8:25 pm-11:21 pm

2 stops30h 56m

$1,119

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Mon 1/12

8:10 am-2:10 pm

2 stops25h 00m

Rio de Janeiro Santos Dumont

Mon 1/26

11:20 am-10:16 pm

2 stops39h 56m

$1,156

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Fri 3/13

11:59 pm-5:45 pm

2 stops37h 46m

Rio de Janeiro Santos Dumont

Sun 3/22

2:55 pm-6:58 pm

2 stops32h 03m

$1,182

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Thu 11/13

6:30 pm-10:45 am

3 stops35h 15m

Rio de Janeiro Santos Dumont

Tue 11/18

8:10 am-2:40 pm

3 stops35h 30m

$1,297

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 4/15

7:00 am-1:40 pm

2 stops26h 40m

Rio de Janeiro Santos Dumont

Wed 4/22

8:20 pm-7:02 pm

2 stops26h 42m

$1,315

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 31 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.

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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 $896, Air Canada can have you in Rio de Janeiro Santos Dumont Airport from State of Washington in 25h 10m. The distance from State of Washington to Rio de Janeiro Santos Dumont Airport is about 6888 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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$383+ 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 11/18. 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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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 October 23, 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 October 23, 2025.

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 October 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 October 23, 2025.