IAD - SDU

$280 Find Cheap Flights from Washington, D.C. to Rio de Janeiro Santos Dumont

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Santos Dumont departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Rio de Janeiro Santos Dumont Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Rio de Janeiro, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Rio de Janeiro, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$623
Air Canada
Tue 3/24Mon 4/6
IAD - SDU • 2 stops
Cheapest one-way
$316
Multiple Airlines
Mon 11/24
IAD - SDU • 3 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Santos Dumont!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Santos Dumont (IAD-SDU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Santos Dumont that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Santos Dumont

Tue, Mar 24 - Mon, Apr 6
Air Canada Logo
9:55 am - 4:45 pmIAD-SDU
29h 50m2 stops
Air Canada Logo
1:45 pm - 8:32 pmSDU-IAD
31h 47m2 stops
$623Air Canada
Find Deal
Thu, Mar 19 - Thu, Mar 26
Air Canada Logo
9:55 am - 4:45 pmIAD-SDU
29h 50m2 stops
Air Canada Logo
11:25 am - 11:46 amSDU-IAD
25h 21m2 stops
$630Air Canada
Find Deal
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
4:30 pm - 4:45 pmIAD-SDU
23h 15m2 stops
Multiple Airlines Logo
11:25 am - 11:46 amSDU-IAD
25h 21m2 stops
$636Multiple Airlines
Find Deal
Tue, Mar 24 - Wed, Apr 1
LATAM Airlines Logo
1:00 pm - 1:15 pmIAD-SDU
23h 15m2 stops
LATAM Airlines Logo
2:20 pm - 11:53 amSDU-IAD
22h 33m2 stops
$659LATAM Airlines
Find Deal
Tue, Mar 17 - Tue, Mar 31
LATAM Airlines Logo
7:59 pm - 1:15 pmIAD-SDU
16h 16m2 stops
LATAM Airlines Logo
8:20 pm - 11:53 amSDU-IAD
16h 33m2 stops
$669LATAM Airlines
Find Deal
Fri, Nov 28 - Mon, Dec 8
LATAM Airlines Logo
12:11 pm - 1:20 pmIAD-SDU
23h 09m2 stops
LATAM Airlines Logo
5:10 pm - 11:39 amSDU-IAD
20h 29m2 stops
$778LATAM Airlines
Find Deal
Wed, Feb 25 - Tue, Mar 3
Multiple Airlines Logo
8:15 am - 9:25 amIAD-SDU
47h 10m2 stops
Multiple Airlines Logo
8:05 pm - 11:43 amSDU-IAD
17h 38m2 stops
$787Multiple Airlines
Find Deal
Wed, Nov 26 - Thu, Dec 4
United Airlines Logo
10:30 pm - 4:45 pmIAD-SDU
16h 15m1 stop
United Airlines Logo
1:45 pm - 6:35 amSDU-IAD
18h 50m1 stop
$882United Airlines
Find Deal
Wed, Nov 26 - Thu, Dec 4
United Airlines Logo
10:30 pm - 4:45 pmIAD-SDU
16h 15m1 stop
United Airlines Logo
1:45 pm - 11:44 amSDU-IAD
23h 59m2 stops
$892United Airlines
Find Deal
Sun, Nov 23 - Thu, Nov 27
Lufthansa Logo
10:30 pm - 4:40 pmIAD-SDU
16h 10m1 stop
Lufthansa Logo
1:45 pm - 6:35 amSDU-IAD
18h 50m1 stop
$895Lufthansa
Find Deal
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Santos Dumont flights

Get data-powered insights and trends into flights from Washington, D.C. to Santos Dumont to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington, D.C. to Rio de Janeiro Santos Dumont?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Rio de Janeiro Santos Dumont were found on Air Canada ($623) and LATAM Airlines ($659).

Find deals

Good to know

Cheapest flight$316
Flight from Washington, D.C. to Rio de Janeiro Santos Dumont

When to book flights from Washington, D.C. to Santos Dumont

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Santos Dumont based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington, D.C. to Rio de Janeiro Santos Dumont flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport was $316 for a one-way ticket and $623 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Rio de Janeiro Santos Dumont?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Washington, D.C. and on arrival in Rio de Janeiro Santos Dumont.

  • Which airports will I be using when flying from Washington, D.C. to Rio de Janeiro Santos Dumont?

    Washington, D.C. and Rio de Janeiro Santos Dumont are both served by 1 main airport. You will leave Washington, D.C. from Washington, D.C. Dulles Intl and will be arriving at Rio de Janeiro Santos Dumont.

  • Which aircraft models fly most regularly from Washington, D.C. to Rio de Janeiro Santos Dumont?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Rio de Janeiro Santos Dumont?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Rio de Janeiro Santos Dumont.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Rio de Janeiro Santos Dumont?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rio de Janeiro Santos Dumont from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Rio de Janeiro Santos Dumont?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rio de Janeiro Santos Dumont with an airline and back to Washington, D.C. with another airline. Booking your flights between Washington, D.C. and SDU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Rio de Janeiro Santos Dumont?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rio de Janeiro Santos Dumont from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to Santos Dumont

Information on your arrival and departure airports

Washington, D.C. (IAD)
Santos Dumont (SDU)