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Cheap flights from Washington to Rio de Janeiro from $488

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 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Air Canada Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,010Air Canada
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Multiple Airlines Logo
6:50 pm - 8:59 pm
SDU
-
SEA
31h 09m
2 stops
$1,014Multiple Airlines
Wed, Nov 25 - Mon, Nov 30
Multiple Airlines Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Multiple Airlines Logo
1:45 pm - 8:54 pm
SDU
-
SEA
36h 09m
2 stops
$1,045Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Air Canada Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Air Canada Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,053Air Canada
Sun, Nov 22 - Tue, Dec 1
Multiple Airlines Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Multiple Airlines Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,054Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
7:45 am - 10:00 pm
SEA
-
SDU
33h 15m
2 stops
Multiple Airlines Logo
1:45 pm - 8:54 pm
SDU
-
SEA
36h 09m
2 stops
$1,070Multiple Airlines
Sun, Nov 15 - Wed, Nov 25
GOL Logo
8:21 pm - 2:10 pm
SEA
-
SDU
37h 49m
2 stops
GOL Logo
5:45 pm - 12:31 am
SDU
-
SEA
34h 46m
2 stops
$1,134GOL
Wed, Aug 5 - Sat, Aug 8
Multiple Airlines Logo
7:45 am - 4:45 pm
SEA
-
SDU
28h 00m
2 stops
Multiple Airlines Logo
1:45 pm - 8:59 pm
SDU
-
SEA
36h 14m
2 stops
$1,142Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
2:27 pm - 4:45 pm
PDX
-
SDU
22h 18m
2 stops
United Airlines Logo
1:45 pm - 11:28 am
SDU
-
PDX
25h 43m
2 stops
$1,321United Airlines
Wed, Aug 19 - Mon, Aug 24
United Airlines Logo
2:27 pm - 4:45 pm
PDX
-
SDU
22h 18m
2 stops
United Airlines Logo
1:45 pm - 11:28 am
SDU
-
PDX
25h 43m
2 stops
$1,339United Airlines
Wed, Sep 16 - Tue, Sep 22

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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
Nov 4
SEA7:45 amSeattle/Tacoma Intl
28h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
36h 14m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$1,010
Air Canada
Nov 22
SEA7:45 amSeattle/Tacoma Intl
28h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Dec 1
SDU1:45 pmRio de Janeiro Santos Dumont
36h 14m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$1,053
Air Canada
Nov 2
SEA7:45 amSeattle/Tacoma Intl
28h 00m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 17
SDU1:45 pmRio de Janeiro Santos Dumont
36h 09m
2 stops
SEA8:54 pmSeattle/Tacoma Intl
$1,144

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

Our best United Airlines deals on State of Washington to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
Nov 4
SEA7:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
31h 42m
3 stops
SEA4:27 pmSeattle/Tacoma Intl
$1,310
United Airlines
Nov 4
SEA7:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
31h 42m
3 stops
SEA4:27 pmSeattle/Tacoma Intl
$1,311
United Airlines
Nov 4
SEA7:00 amSeattle/Tacoma Intl
28h 45m
2 stops
SDU4:45 pmRio de Janeiro Santos Dumont
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
31h 42m
3 stops
SEA4:27 pmSeattle/Tacoma Intl
$1,314

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 June 26, 2026.
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

Cheapest round-trip

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/4

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Wed 11/11

1:45 pm-8:59 pm

2 stops36h 14m

$1,010

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/25

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Mon 11/30

6:50 pm-8:59 pm

2 stops31h 09m

$1,014

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/4

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Wed 11/11

1:45 pm-8:54 pm

2 stops36h 09m

$1,045

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 11/22

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Tue 12/1

1:45 pm-8:59 pm

2 stops36h 14m

$1,053

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/4

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Wed 11/11

1:45 pm-8:59 pm

2 stops36h 14m

$1,054

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Sun 11/15

7:45 am-10:00 pm

2 stops33h 15m

Rio de Janeiro Santos Dumont

Wed 11/25

1:45 pm-8:54 pm

2 stops36h 09m

$1,070

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 8/5

8:21 pm-2:10 pm

2 stops37h 49m

Rio de Janeiro Santos Dumont

Sat 8/8

5:45 pm-12:31 am

2 stops34h 46m

$1,134

SeattleRio de Janeiro

SEA - SDU

SEASDU

Seattle/Tacoma Intl

Wed 11/4

7:45 am-4:45 pm

2 stops28h 00m

Rio de Janeiro Santos Dumont

Wed 11/11

1:45 pm-8:59 pm

2 stops36h 14m

$1,142
Quickest round-trip

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 8/19

2:27 pm-4:45 pm

2 stops22h 18m

Rio de Janeiro Santos Dumont

Mon 8/24

1:45 pm-11:28 am

2 stops25h 43m

$1,321

PortlandRio de Janeiro

PDX - SDU

PDXSDU

Portland

Wed 9/16

2:27 pm-4:45 pm

2 stops22h 18m

Rio de Janeiro Santos Dumont

Tue 9/22

1:45 pm-11:28 am

2 stops25h 43m

$1,339

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

How long does it take to fly to Rio de Janeiro Santos Dumont Airport?

The flight from State of Washington to Rio de Janeiro Santos Dumont Airport depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Spokane (a popular airport in State of Washington) to Rio de Janeiro–Galeão Intl Airport (the most popular airport in Rio de Janeiro Santos Dumont Airport), then the flight time is 17h 35m on average. If you fly from Seattle (another popular airport in State of Washington) to Rio de Janeiro–Galeão Intl Airport, then the average flight time is 22h 15m.

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

21h 35m

Direct flights

None
The fastest flight from State of Washington to Rio de Janeiro Santos Dumont Airport takes 21h 35m
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.
Search flight deals

Frequently asked questions about flying from Washington to Rio de Janeiro Santos Dumont Airport

  • 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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