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Cheap flights from Rio de Janeiro Santos Dumont Airport to Washington from $445

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro Santos Dumont Airport to Washington departing on 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Rio de Janeiro Santos Dumont Airport to Washington

Cheap round-trip flights

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Air Canada Logo
11:25 am - 10:16 pmSDU-SEA
38h 51m2 stops
Air Canada Logo
8:00 am - 4:45 pmSEA-SDU
28h 45m2 stops
$827Air Canada
Find Deal
Wed, Mar 25 - Sun, Mar 29
Air Canada Logo
11:25 am - 10:16 pmSDU-SEA
38h 51m2 stops
Air Canada Logo
8:00 am - 4:45 pmSEA-SDU
28h 45m2 stops
$831Air Canada
Find Deal
Wed, Mar 25 - Sun, Mar 29
Delta Logo
8:05 pm - 10:39 pmSDU-PDX
30h 34m2 stops
Delta Logo
11:45 am - 9:35 amPDX-SDU
41h 50m2 stops
$1,032Delta
Find Deal
Wed, Mar 25 - Sun, Mar 29
Delta Logo
8:05 pm - 11:05 amSDU-PDX
43h 00m2 stops
Delta Logo
7:00 am - 1:40 pmPDX-SDU
26h 40m2 stops
$1,106Delta
Find Deal
Wed, Mar 25 - Sun, Mar 29
LATAM Airlines Logo
2:00 pm - 7:18 pmSDU-PDX
33h 18m2 stops
LATAM Airlines Logo
6:04 am - 1:40 pmPDX-SDU
27h 36m2 stops
$1,203LATAM Airlines
Find Deal
Wed, Mar 25 - Sun, Mar 29
Air Canada Logo
11:20 am - 10:16 pmSDU-SEA
39h 56m2 stops
Air Canada Logo
8:10 am - 2:35 pmSEA-SDU
25h 25m2 stops
$1,476Air Canada
Find Deal
Wed, Dec 24 - Fri, Jan 30
Multiple Airlines Logo
11:20 am - 10:16 pmSDU-SEA
39h 56m2 stops
Multiple Airlines Logo
8:10 am - 2:30 pmSEA-SDU
25h 20m2 stops
$1,686Multiple Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
LATAM Airlines Logo
8:05 pm - 6:10 pmSDU-SEA
27h 05m2 stops
LATAM Airlines Logo
7:15 am - 1:15 pmSEA-SDU
25h 00m2 stops
$1,928LATAM Airlines
Find Deal
Sat, Dec 27 - Fri, Jan 9
Multiple Airlines Logo
11:20 am - 10:16 pmSDU-SEA
39h 56m2 stops
Multiple Airlines Logo
8:10 am - 2:35 pmSEA-SDU
25h 25m2 stops
$2,321Multiple Airlines
Find Deal
Sat, Dec 27 - Fri, Jan 9
GOL Logo
6:00 am - 11:42 pmSDU-SEA
22h 42m2 stops
GOL Logo
11:11 pm - 4:55 pmSEA-SDU
36h 44m2 stops
$2,565GOL
Find Deal
Sat, Dec 27 - Fri, Jan 9

Air Canada flights from Rio de Janeiro Santos Dumont Airport to State of Washington

Our best Air Canada deals on Rio de Janeiro Santos Dumont Airport to State of Washington flight tickets
Air Canada
Mar 25
SDU11:25 amRio de Janeiro Santos Dumont
38h 51m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Mar 29
SEA8:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$827
Find similar
Air Canada
Mar 25
SDU11:25 amRio de Janeiro Santos Dumont
38h 51m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Mar 29
SEA8:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
$831
Find similar
Air Canada
Dec 24
SDU11:20 amRio de Janeiro Santos Dumont
39h 56m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Jan 30
SEA8:10 amSeattle/Tacoma Intl
25h 25m
2 stops
SDU2:35 pmRio de Janeiro Santos Dumont
$1,476
Find similar

LATAM Airlines flights from Rio de Janeiro Santos Dumont Airport to State of Washington

Our best LATAM Airlines deals on Rio de Janeiro Santos Dumont Airport to State of Washington flight tickets
LATAM Airlines
Mar 25
SDU2:00 pmRio de Janeiro Santos Dumont
33h 18m
2 stops
PDX7:18 pmPortland
Mar 29
PDX6:04 amPortland
27h 36m
2 stops
SDU1:40 pmRio de Janeiro Santos Dumont
$1,203
Find similar
LATAM Airlines
Nov 14
SDU8:05 pmRio de Janeiro Santos Dumont
21h 57m
2 stops
SEA1:02 pmSeattle/Tacoma Intl
Nov 16
SEA11:27 amSeattle/Tacoma Intl
24h 03m
2 stops
SDU4:30 pmRio de Janeiro Santos Dumont
$1,393
Find similar
LATAM Airlines
Dec 27
SDU8:05 pmRio de Janeiro Santos Dumont
27h 05m
2 stops
SEA6:10 pmSeattle/Tacoma Intl
Jan 9
SEA7:15 amSeattle/Tacoma Intl
25h 00m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
$1,928
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport to State of 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, momondo users made 832,500 searches. Data last updated November 12, 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

Fly to

Route

Depart

Return

Price

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Wed 3/25

11:25 am-10:16 pm

2 stops38h 51m

Seattle/Tacoma Intl

Sun 3/29

8:00 am-4:45 pm

2 stops28h 45m

$827

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Wed 3/25

11:25 am-10:16 pm

2 stops38h 51m

Seattle/Tacoma Intl

Sun 3/29

8:00 am-4:45 pm

2 stops28h 45m

$831

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

Wed 3/25

8:05 pm-10:39 pm

2 stops30h 34m

Portland

Sun 3/29

11:45 am-9:35 am

2 stops41h 50m

$1,032

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

Wed 3/25

8:05 pm-11:05 am

2 stops43h 00m

Portland

Sun 3/29

7:00 am-1:40 pm

2 stops26h 40m

$1,106

Rio de JaneiroPortland

SDU - PDX

SDUPDX

Rio de Janeiro Santos Dumont

Wed 3/25

2:00 pm-7:18 pm

2 stops33h 18m

Portland

Sun 3/29

6:04 am-1:40 pm

2 stops27h 36m

$1,203

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Wed 12/24

11:20 am-10:16 pm

2 stops39h 56m

Seattle/Tacoma Intl

Fri 1/30

8:10 am-2:35 pm

2 stops25h 25m

$1,476

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Thu 12/25

11:20 am-10:16 pm

2 stops39h 56m

Seattle/Tacoma Intl

Thu 1/1

8:10 am-2:30 pm

2 stops25h 20m

$1,686

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Sat 12/27

8:05 pm-6:10 pm

2 stops27h 05m

Seattle/Tacoma Intl

Fri 1/9

7:15 am-1:15 pm

2 stops25h 00m

$1,928

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Sat 12/27

11:20 am-10:16 pm

2 stops39h 56m

Seattle/Tacoma Intl

Fri 1/9

8:10 am-2:35 pm

2 stops25h 25m

$2,321

Rio de JaneiroSeattle

SDU - SEA

SDUSEA

Rio de Janeiro Santos Dumont

Sat 12/27

6:00 am-11:42 pm

2 stops22h 42m

Seattle/Tacoma Intl

Fri 1/9

11:11 pm-4:55 pm

2 stops36h 44m

$2,565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Rio de Janeiro Santos Dumont Airport to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Rio de Janeiro Santos Dumont to Washington?

Air Canada, United Airlines, and LATAM Airlines are the most popular carriers operating from Rio de Janeiro Santos Dumont to Washington

Cheap Rio de Janeiro Santos Dumont Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rio de Janeiro Santos Dumont Airport to State of Washington

Direct flights

None
There are no direct flights from Rio de Janeiro Santos Dumont Airport to State of Washington. There are no popular flight routes from Rio de Janeiro Santos Dumont Airport to State of Washington.
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  • When did momondo last update prices for flights from Rio de Janeiro Santos Dumont Airport to Washington?

    Prices for flights from Rio de Janeiro Santos Dumont Airport to Washington refresh daily.

  • How old do you have to be to fly from Rio de Janeiro Santos Dumont Airport to Washington?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rio de Janeiro Santos Dumont Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Rio de Janeiro to Washington?

It is quick and easy to find Rio de Janeiro to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

Can I find flights from Rio de Janeiro to Washington with flexible booking policies on momondo?

All flight searches from Rio de Janeiro to Washington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Rio de Janeiro to Washington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Rio de Janeiro.

I’m not ready to book a flight from Rio de Janeiro to Washington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rio de Janeiro to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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