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Cheap flights from Washington to Rio de Janeiro from $357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Rio de Janeiro departing on 3/31. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:10 am - 4:40 pm
SEA
-
SDU
28h 30m2 stops
Air Canada Logo
1:45 pm - 10:16 pm
SDU
-
SEA
36h 31m2 stops
$796Air Canada
lun., mar. 9 - mar., mar. 24
Multiple Airlines Logo
8:10 am - 4:40 pm
SEA
-
SDU
27h 30m2 stops
Multiple Airlines Logo
1:45 pm - 10:16 pm
SDU
-
SEA
36h 31m2 stops
$906Multiple Airlines
mié., mar. 4 - mié., mar. 18
Multiple Airlines Logo
8:10 am - 4:40 pm
SEA
-
SDU
27h 30m2 stops
Multiple Airlines Logo
1:45 pm - 10:16 pm
SDU
-
SEA
36h 31m2 stops
$1,006Multiple Airlines
mié., mar. 4 - mié., mar. 18
United Airlines Logo
6:45 am - 2:30 pm
SEA
-
SDU
26h 45m2 stops
United Airlines Logo
1:45 pm - 1:24 pm
SDU
-
SEA
28h 39m2 stops
$1,058United Airlines
jue., feb. 19 - jue., feb. 26
Multiple Airlines Logo
8:10 am - 2:35 pm
SEA
-
SDU
25h 25m2 stops
Multiple Airlines Logo
11:20 am - 2:31 pm
SDU
-
SEA
32h 11m3 stops
$1,112Multiple Airlines
vie., feb. 6 - sáb., feb. 14
Air Canada Logo
8:10 am - 2:35 pm
SEA
-
SDU
25h 25m2 stops
Air Canada Logo
11:20 am - 10:16 pm
SDU
-
SEA
39h 56m2 stops
$1,156Air Canada
vie., feb. 6 - sáb., feb. 14
United Airlines Logo
7:00 am - 2:30 pm
SEA
-
SDU
26h 30m2 stops
United Airlines Logo
1:45 pm - 11:49 am
SDU
-
SEA
27h 04m2 stops
$1,188United Airlines
lun., feb. 16 - lun., feb. 23
LATAM Airlines Logo
6:50 am - 1:05 pm
PDX
-
SDU
25h 15m2 stops
LATAM Airlines Logo
8:05 pm - 12:00 pm
SDU
-
PDX
20h 55m2 stops
$1,487LATAM Airlines
dom., feb. 1 - dom., feb. 8
LATAM Airlines Logo
7:00 am - 1:50 pm
PDX
-
SDU
25h 50m2 stops
LATAM Airlines Logo
8:05 pm - 12:00 pm
SDU
-
PDX
20h 55m2 stops
$1,490LATAM Airlines
dom., feb. 1 - dom., feb. 8
Delta Logo
7:00 am - 1:10 pm
PDX
-
SDU
26h 10m2 stops
Delta Logo
8:15 pm - 1:14 pm
SDU
-
PDX
20h 59m2 stops
$1,507Delta
dom., may. 3 - sáb., may. 16

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

Our best Air Canada deals on State of Washington to Rio de Janeiro Santos Dumont Airport flight tickets
Air Canada
Mar 9
SEA8:10 amSeattle/Tacoma Intl
28h 30m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
Mar 25
SDU1:45 pmRio de Janeiro Santos Dumont
36h 31m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$796
Find similar
Air Canada
Mar 31
SEA8:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Apr 16
SDU1:45 pmRio de Janeiro Santos Dumont
36h 06m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$896
Find similar
Air Canada
Mar 31
SEA8:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Apr 17
SDU1:45 pmRio de Janeiro Santos Dumont
36h 06m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$1,056
Find similar

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

Our best LATAM Airlines deals on State of Washington to Rio de Janeiro Santos Dumont Airport flight tickets
LATAM Airlines
Feb 28
SEA7:10 amSeattle/Tacoma Intl
25h 05m
2 stops
SDU1:15 pmRio de Janeiro Santos Dumont
Mar 7
SDU8:05 pmRio de Janeiro Santos Dumont
27h 41m
2 stops
SEA6:46 pmSeattle/Tacoma Intl
$1,252
Find similar
LATAM Airlines
May 22
SEA11:15 pmSeattle/Tacoma Intl
29h 20m
2 stops
SDU8:35 amRio de Janeiro Santos Dumont
May 31
SDU8:15 pmRio de Janeiro Santos Dumont
29h 44m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$1,294
Find similar
LATAM Airlines
May 22
SEA11:15 amSeattle/Tacoma Intl
21h 55m
2 stops
SDU1:10 pmRio de Janeiro Santos Dumont
May 31
SDU8:15 pmRio de Janeiro Santos Dumont
29h 44m
2 stops
SEA9:59 pmSeattle/Tacoma Intl
$1,334
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Rio de Janeiro Santos Dumont Airport 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 diciembre 11, 2025.
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

lun. 3/9

8:10 am-4:40 pm

2 stops28h 30m

Rio de Janeiro Santos Dumont

mar. 3/24

1:45 pm-10:16 pm

2 stops36h 31m

$796

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

mié. 3/4

8:10 am-4:40 pm

2 stops27h 30m

Rio de Janeiro Santos Dumont

mié. 3/18

1:45 pm-10:16 pm

2 stops36h 31m

$906

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

mié. 3/4

8:10 am-4:40 pm

2 stops27h 30m

Rio de Janeiro Santos Dumont

mié. 3/18

1:45 pm-10:16 pm

2 stops36h 31m

$1,006

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

jue. 2/19

6:45 am-2:30 pm

2 stops26h 45m

Rio de Janeiro Santos Dumont

jue. 2/26

1:45 pm-1:24 pm

2 stops28h 39m

$1,058

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

vie. 2/6

8:10 am-2:35 pm

2 stops25h 25m

Rio de Janeiro Santos Dumont

sáb. 2/14

11:20 am-2:31 pm

3 stops32h 11m

$1,112

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

vie. 2/6

8:10 am-2:35 pm

2 stops25h 25m

Rio de Janeiro Santos Dumont

sáb. 2/14

11:20 am-10:16 pm

2 stops39h 56m

$1,156

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

lun. 2/16

7:00 am-2:30 pm

2 stops26h 30m

Rio de Janeiro Santos Dumont

lun. 2/23

1:45 pm-11:49 am

2 stops27h 04m

$1,188

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

dom. 2/1

6:50 am-1:05 pm

2 stops25h 15m

Rio de Janeiro Santos Dumont

dom. 2/8

8:05 pm-12:00 pm

2 stops20h 55m

$1,487

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

dom. 2/1

7:00 am-1:50 pm

2 stops25h 50m

Rio de Janeiro Santos Dumont

dom. 2/8

8:05 pm-12:00 pm

2 stops20h 55m

$1,490

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

dom. 5/3

7:00 am-1:10 pm

2 stops26h 10m

Rio de Janeiro Santos Dumont

sáb. 5/16

8:15 pm-1:14 pm

2 stops20h 59m

$1,507

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rio de Janeiro from

How to get the cheapest flight ticket from State of Washington to Rio de Janeiro Santos Dumont Airport

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 Washington to Rio de Janeiro Santos Dumont?

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

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

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

Fastest flight time

20h 21m

Direct flights

None
The fastest flight from State of Washington to Rio de Janeiro Santos Dumont Airport takes 20h 21m
There are no direct flights from State of Washington to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from State of Washington to Rio de Janeiro Santos Dumont Airport.
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  • When did momondo last update prices for flights from Washington to Rio de Janeiro Santos Dumont Airport?

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Rio de Janeiro Santos Dumont Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro Santos Dumont Airport?

    The required travel and health documents for your Rio de Janeiro Santos Dumont Airport 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 Rio de Janeiro Santos Dumont Airport. 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 Washington to Rio de Janeiro?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Rio de Janeiro. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Rio de Janeiro from Washington with this policy.

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

Once you have performed a search for Washington to Rio de Janeiro flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Washington to Rio de Janeiro now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rio de Janeiro and let you know when they change.

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