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$456+ Cheap flights from Santos Dumont, Brazil (SDU) to Washington

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — SEA
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from Santos Dumont to Washington

Keep the following information in mind while searching for Santos Dumont to Washington flight deals. Data was last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$900
(Booking.com)

One-way from

$456
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,247
Provider with most accurate pricing for Rio de Janeiro (RIO)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Seattle/Tacoma Intl flights.
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From Rio de Janeiro Santos Dumont to Washington
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One-way flight from Rio de Janeiro Santos Dumont to Washington
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Highest demand for flights based on searches. 20% potential increase in price ($303 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Santos Dumont to Washington

Cheapest flights from Santos Dumont to Washington
Explore the most affordable flight options available from Santos Dumont to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:55 amSDU - SEA
2 stops39h 42mAir Canada
Wed 6/411:40 amSEA - SDU
2 stops24h 10mAir Canada
Deal found 4/1$900
This LATAM Airlines deal was found by Cheapflights users on 4/1. 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.
Sun 6/88:20 pmSDU - SEA
2 stops20h 22mLATAM Airlines
Tue 6/108:20 amSEA - SDU
2 stops25h 20mLATAM Airlines
Deal found 4/1$1,065
This FlightHub deal was found by Cheapflights users on 4/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/13:50 pmSDU - PDX
2 stops24h 14mLATAM Airlines
Sun 6/87:00 amPDX - SDU
2 stops21h 55mLATAM Airlines
Deal found 4/2$1,096
This United deal was found by Cheapflights users on 4/2. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/181:00 pmSDU - PDX
2 stops37h 57mUnited Airlines
Sat 4/262:25 pmPDX - SDU
3 stops45h 25mUnited Airlines
Deal found 4/2$1,205
This Air Canada deal was found by Cheapflights users on 4/2. 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.
Mon 4/141:00 pmSDU - SEA
2 stops36h 41mMultiple Airlines
Thu 7/3112:10 pmSEA - SDU
2 stops23h 40mMultiple Airlines
Deal found 4/2$1,292
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/101:00 pmSDU - SEA
2 stops26h 35mUnited Airlines
Tue 7/112:55 pmSEA - SDU
2 stops22h 55mUnited Airlines
Deal found 4/1$1,303
This GOL deal was found by Cheapflights users on 4/2. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:00 amSDU - SEA
2 stops21h 39mGOL
Thu 7/318:18 pmSEA - SDU
2 stops34h 22mGOL
Deal found 4/2$1,966
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/182:20 pmSDU - PDX
2 stops46h 48mDelta
Fri 8/16:00 amPDX - SDU
2 stops23h 35mDelta
Deal found 4/2$2,331
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/92:20 pmSDU - SEA
2 stops23h 58mDelta
Mon 6/301:35 pmSEA - SDU
2 stops20h 05mDelta
Deal found 4/1$3,999

Cheapflights Fare Finder

Customize your flight search to find flights from Santos Dumont to Washington 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 April 3, 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Washington that are best for you.

Fly from

Santos Dumont

Fly to

Washington

Route

Depart

Return

Price

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Thu 5/22

7:55 am-7:37 pm

2 stops39h 42m

Seattle/Tacoma Intl

Wed 6/4

11:40 am-3:50 pm

2 stops24h 10m

$900

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Sun 6/8

8:20 pm-12:42 pm

2 stops20h 22m

Seattle/Tacoma Intl

Tue 6/10

8:20 am-1:40 pm

2 stops25h 20m

$1,065

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

Sun 6/1

3:50 pm-12:04 pm

2 stops24h 14m

Portland

Sun 6/8

7:00 am-8:55 am

2 stops21h 55m

$1,096

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

Fri 4/18

1:00 pm-10:57 pm

2 stops37h 57m

Portland

Sat 4/26

2:25 pm-3:50 pm

3 stops45h 25m

$1,205

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Mon 4/14

1:00 pm-9:41 pm

2 stops36h 41m

Seattle/Tacoma Intl

Thu 7/31

12:10 pm-3:50 pm

2 stops23h 40m

$1,292

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Tue 6/10

1:00 pm-11:35 am

2 stops26h 35m

Seattle/Tacoma Intl

Tue 7/1

12:55 pm-3:50 pm

2 stops22h 55m

$1,303

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Mon 4/21

6:00 am-11:39 pm

2 stops21h 39m

Seattle/Tacoma Intl

Thu 7/31

8:18 pm-10:40 am

2 stops34h 22m

$1,966

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

Fri 4/18

2:20 pm-9:08 am

2 stops46h 48m

Portland

Fri 8/1

6:00 am-9:35 am

2 stops23h 35m

$2,331

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Mon 6/9

2:20 pm-10:18 am

2 stops23h 58m

Seattle/Tacoma Intl

Mon 6/30

1:35 pm-1:40 pm

2 stops20h 05m

$3,999

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Mon 8/11

6:00 am-10:00 pm

2 stops20h 00m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 13 results
1
2

Best time to book a flight from Santos Dumont to Washington

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

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated April 3, 2025.
To help decide which airline to fly from Rio de Janeiro to Washington, see what other customers have to say about Delta, LATAM Airlines and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,754 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
GOL
7.3
Good
1,053 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,029 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Santos Dumont to Washington. 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 State of Washington one-way?

    One-way options have recently been found by users for as low as $490 on GOL. Other airlines that offer cheap prices include Air Canada from $570 and United Airlines from $4,138 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santos Dumont to Washington 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 State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Rio de Janeiro Santos Dumont Airport to State of Washington (average of $238). Flying from Rio de Janeiro Santos Dumont Airport to State of Washington in July is currently the most expensive (average of $411). 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.

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Alternative routes for Santos Dumont to Washington

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