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

For as low as $1,327, Air Canada can have you in Rio de Janeiro Santos Dumont Airport from State of Washington in 25h 52m. 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).

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.

$357+ Flights from Washington to Rio de Janeiro Santos Dumont Airport, Brazil

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Cheap 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 December 12, 2025.

Tue 12/2312:43 pmSEA - SDU

2 stops44h 27mGOL

Tue 1/65:40 pmSDU - SEA

2 stops35h 02mGOL

Deal found 12/11

$2,294

Thu 12/258:45 amSEA - SDU

2 stops19h 40mLATAM Airlines

Sun 12/288:05 pmSDU - SEA

2 stops25h 55mLATAM Airlines

Deal found 12/11

$2,416

Wed 12/248:45 amSEA - SDU

2 stops19h 40mLATAM Airlines

Sun 12/288:05 pmSDU - SEA

2 stops23h 10mLATAM Airlines

Deal found 12/11

$2,428

Wed 12/248:45 amSEA - SDU

2 stops19h 40mLATAM Airlines

Sat 12/278:05 pmSDU - SEA

2 stops27h 05mLATAM Airlines

Deal found 12/11

$2,431

Wed 12/2412:43 pmSEA - SDU

2 stops47h 12mGOL

Tue 1/68:25 pmSDU - SEA

2 stops32h 17mGOL

Deal found 12/10

$2,715

Sun 12/1410:08 pmSEA - SDU

2 stops29h 37mGOL

Mon 1/125:40 pmSDU - SEA

2 stops35h 02mGOL

Deal found 12/9

$2,914

Tue 12/237:10 amSEA - SDU

2 stops25h 05mDelta

Sun 12/288:05 pmSDU - SEA

2 stops30h 45mDelta

Deal found 12/11

$2,922

Wed 12/2412:43 pmSEA - SDU

2 stops44h 27mGOL

Wed 1/75:40 pmSDU - SEA

2 stops35h 02mGOL

Deal found 12/10

$3,041

Sat 12/1310:08 pmSEA - SDU

2 stops29h 37mGOL

Mon 12/158:25 pmSDU - SEA

2 stops31h 51mGOL

Deal found 12/10

$3,082

Wed 12/107:10 amSEA - SDU

2 stops21h 15mLATAM Airlines

Wed 12/178:05 pmSDU - SEA

2 stops23h 13mLATAM Airlines

Deal found 12/9

$3,158

Tue 12/309:45 pmPDX - SDU

2 stops30h 40mMultiple Airlines

Tue 1/68:05 pmSDU - PDX

2 stops22h 36mMultiple Airlines

Deal found 12/11

$6,214

Mon 12/1511:54 amPDX - SDU

2 stops20h 21mLATAM Airlines

Sun 1/48:05 pmSDU - PDX

2 stops22h 41mLATAM Airlines

Deal found 12/9

$7,411

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 December 12, 2025.

Thu 4/168:00 amSEA - SDU

2 stops28h 45mMultiple Airlines

Sun 4/268:30 amSDU - SEA

2 stops41h 21mMultiple Airlines

Deal found 12/10

$780

Wed 4/18:00 amSEA - SDU

2 stops28h 45mAir Canada

Thu 4/161:45 pmSDU - SEA

2 stops36h 06mAir Canada

Deal found 12/11

$896

Sun 3/111:59 pmSEA - SDU

2 stops35h 41mUnited Airlines

Thu 3/51:45 pmSDU - SEA

2 stops28h 22mUnited Airlines

Deal found 12/10

$1,292

Fri 5/2211:15 pmSEA - SDU

2 stops29h 20mLATAM Airlines

Sun 5/318:15 pmSDU - SEA

2 stops29h 44mLATAM Airlines

Deal found 12/11

$1,294

Sun 5/37:00 amPDX - SDU

2 stops26h 10mDelta

Sat 5/168:15 pmSDU - PDX

2 stops20h 59mDelta

Deal found 12/10

$1,507

Tue 3/318:00 amSEA - SDU

2 stops28h 45mAir Canada

Thu 4/161:45 pmSDU - SEA

2 stops36h 06mAir Canada

Deal found 12/11

$896

Wed 3/48:10 amSEA - SDU

2 stops27h 30mMultiple Airlines

Wed 3/181:45 pmSDU - SEA

2 stops36h 31mMultiple Airlines

Deal found 12/10

$906

Thu 4/238:00 amSEA - SDU

2 stops28h 45mMultiple Airlines

Sat 5/25:30 pmSDU - SEA

2 stops30h 07mMultiple Airlines

Deal found 12/10

$1,022

Wed 4/18:00 amSEA - SDU

2 stops28h 45mAir Canada

Fri 4/171:45 pmSDU - SEA

2 stops36h 06mAir Canada

Deal found 12/11

$1,056

Mon 5/1812:15 pmSEA - SDU

2 stops24h 30mMultiple Airlines

Sun 5/248:45 pmSDU - SEA

2 stops30h 17mMultiple Airlines

Deal found 12/10

$1,064

Mon 4/2710:53 amPDX - SDU

2 stops25h 52mUnited Airlines

Sun 5/172:50 pmSDU - PDX

2 stops24h 45mUnited Airlines

Deal found 12/11

$1,327

Fri 4/38:00 amSEA - SDU

2 stops32h 15mAir Canada

Sat 4/115:30 pmSDU - SEA

2 stops32h 21mAir Canada

Deal found 12/11

$1,156

Sun 2/111:59 amPDX - SDU

2 stops25h 16mLATAM Airlines

Sun 2/88:05 pmSDU - PDX

2 stops20h 55mLATAM Airlines

Deal found 12/11

$1,427

Sun 3/112:57 pmPDX - SDU

2 stops22h 43mUnited Airlines

Sun 3/152:50 pmSDU - PDX

2 stops25h 01mUnited Airlines

Deal found 12/10

$1,387

Sun 3/111:59 pmPDX - SDU

2 stops35h 41mUnited Airlines

Thu 3/51:45 pmSDU - PDX

2 stops27h 06mUnited Airlines

Deal found 12/10

$1,391

Tue 5/127:09 amPDX - SDU

2 stops21h 26mMultiple Airlines

Fri 5/151:55 pmSDU - PDX

2 stops26h 18mMultiple Airlines

Deal found 12/11

$1,523

Last-minute flights from Washington to Santos Dumont
Discover last-minute flight deals from Washington to Santos Dumont. Data last updated December 12, 2025 and is based on user searches.

Tue 12/2312:43 pmSEA - SDU

2 stops44h 27mGOL

Tue 1/65:40 pmSDU - SEA

2 stops35h 02mGOL

Deal found 12/11

$2,294

Wed 12/248:45 amSEA - SDU

2 stops19h 40mLATAM Airlines

Sun 12/288:05 pmSDU - SEA

2 stops23h 10mLATAM Airlines

Deal found 12/11

$2,428

Thu 12/258:45 amSEA - SDU

2 stops19h 40mLATAM Airlines

Sun 12/288:05 pmSDU - SEA

2 stops25h 55mLATAM Airlines

Deal found 12/11

$2,416

Tue 12/309:45 pmPDX - SDU

2 stops30h 40mMultiple Airlines

Tue 1/68:05 pmSDU - PDX

2 stops22h 36mMultiple Airlines

Deal found 12/11

$6,214

Mon 1/511:34 pmSEA - SDU

2 stops32h 41mMultiple Airlines

Thu 2/58:05 pmSDU - SEA

2 stops23h 49mMultiple Airlines

Deal found 12/11

$1,412

Mon 1/510:06 pmSEA - SDU

2 stops19h 19mGOL

Mon 1/195:40 pmSDU - SEA

2 stops35h 02mGOL

Deal found 12/10

$1,695

Thu 1/811:44 amPDX - SDU

2 stops20h 31mLATAM Airlines

Tue 1/138:05 pmSDU - PDX

2 stops22h 30mLATAM Airlines

Deal found 12/11

$3,724

Mon 1/198:10 amSEA - SDU

2 stops25h 00mMultiple Airlines

Sat 1/249:35 amSDU - SEA

2 stops43h 07mMultiple Airlines

Deal found 12/11

$1,424

Thu 1/228:10 amSEA - SDU

2 stops25h 20mMultiple Airlines

Wed 2/41:20 pmSDU - SEA

2 stops38h 09mMultiple Airlines

Deal found 12/11

$1,197

Thu 1/225:50 amSEA - SDU

3 stops27h 40mAir Canada

Wed 2/411:20 amSDU - SEA

3 stops32h 11mAir Canada

Deal found 12/11

$1,470

Sat 1/247:35 amSEA - SDU

2 stops44h 50mMultiple Airlines

Sat 1/315:40 pmSDU - SEA

2 stops35h 02mMultiple Airlines

Deal found 12/10

$1,755

Mon 1/261:45 pmSEA - SDU

2 stops42h 30mMultiple Airlines

Sat 1/315:40 pmSDU - SEA

2 stops35h 02mMultiple Airlines

Deal found 12/11

$1,599

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 December 12, 2025.

Tue 3/317:55 amSEA - SDU

3 stops52h 15mMultiple Airlines

Deal found 12/11

$357

Mon 3/3010:45 pmSEA - SDU

2 stops43h 40mMultiple Airlines

Deal found 12/10

$416

Wed 4/19:25 pmSEA - SDU

3 stops33h 55mMultiple Airlines

Deal found 12/11

$486

Wed 4/18:00 amSEA - SDU

2 stops28h 45mAir Canada

Deal found 12/11

$506

Mon 2/911:55 amSEA - SDU

2 stops20h 20mDelta

Deal found 12/10

$694

Sun 2/17:00 amPDX - SDU

2 stops49h 15mMultiple Airlines

Deal found 12/9

$750

Wed 1/1412:59 pmPDX - SDU

2 stops20h 31mUnited Airlines

Deal found 12/10

$889

Fri 3/1311:30 pmSEA - SDU

2 stops30h 05mLATAM Airlines

Deal found 12/10

$1,479

Sun 4/510:45 pmSEA - SDU

2 stops43h 40mMultiple Airlines

Deal found 12/11

$1,728

Thu 4/28:00 amSEA - SDU

2 stops28h 45mAir Canada

Deal found 12/11

$1,913

Find flight deals from Washington to Santos Dumont

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$780 (Mytrip)
One-way from	$357 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$1,773

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

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Rio de Janeiro (RIO) flights.

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From Washington to Rio de Janeiro Santos Dumont

Search Deals

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

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($128 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Thu 4/16

8:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Sun 4/26

8:30 am-9:51 pm

2 stops41h 21m

$780

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 4/1

8:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Thu 4/16

1:45 pm-9:51 pm

2 stops36h 06m

$896

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Tue 3/31

8:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Thu 4/16

1:45 pm-9:51 pm

2 stops36h 06m

$896

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 3/4

8:10 am-4:40 pm

2 stops27h 30m

Rio de Janeiro Santos Dumont

Wed 3/18

1:45 pm-10:16 pm

2 stops36h 31m

$906

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Thu 4/23

8:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Sat 5/2

5:30 pm-7:37 pm

2 stops30h 07m

$1,022

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 4/1

8:00 am-4:45 pm

2 stops28h 45m

Rio de Janeiro Santos Dumont

Fri 4/17

1:45 pm-9:51 pm

2 stops36h 06m

$1,056

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Mon 5/18

12:15 pm-4:45 pm

2 stops24h 30m

Rio de Janeiro Santos Dumont

Sun 5/24

8:45 pm-11:02 pm

2 stops30h 17m

$1,064

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Fri 4/3

8:00 am-8:15 pm

2 stops32h 15m

Rio de Janeiro Santos Dumont

Sat 4/11

5:30 pm-9:51 pm

2 stops32h 21m

$1,156

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 3/1

11:59 pm-4:40 pm

2 stops35h 41m

Rio de Janeiro Santos Dumont

Thu 3/5

1:45 pm-1:07 pm

2 stops28h 22m

$1,292

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Fri 5/22

11:15 pm-8:35 am

2 stops29h 20m

Rio de Janeiro Santos Dumont

Sun 5/31

8:15 pm-9:59 pm

2 stops29h 44m

$1,294

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 24 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 $1,327, Air Canada can have you in Rio de Janeiro Santos Dumont Airport from State of Washington in 25h 52m. 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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$357+ 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 3/31. 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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Cheap 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 December 12, 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 December 12, 2025.

Find 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 December 12, 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 December 12, 2025.