IAD - SDU

$396 Find Cheap Flights from Washington, D.C. to Rio de Janeiro Santos Dumont - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$730
Typical prices: $940-$1,252
Azul
Sat 4/14Thu 4/19
IAD - SDU • 2 stops
Cheapest one-way
$333
Typical prices: $401-$559
Azul
Sat 3/10
IAD - SDU • 2 stops
When to travel
October
Cheapest • 31% price drop
December
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Rio de Janeiro Santos Dumont Airport!
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Booking Insights
Flight Deals

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

 
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

Wed, Apr 14 - Mon, Apr 19
Azul Logo
4:10 pm - 12:50 pmIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
19h 40m2 stops Orlando Belo Horizonte Tancredo Neves Intl
Azul Logo
7:05 pm - 11:10 amSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
17h 05m2 stops Sao Paulo Viracopos Fort Lauderdale
$730Azul
Wed, Apr 14 - Mon, Apr 19
Azul Logo
4:10 pm - 12:50 pmIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
19h 40m2 stops Orlando Belo Horizonte Tancredo Neves Intl
Azul Logo
7:05 pm - 11:10 amSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
17h 05m2 stops Sao Paulo Viracopos Fort Lauderdale
$733Azul
Wed, Mar 17 - Sun, Mar 21
Azul Logo
5:20 pm - 1:05 pmIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
18h 45m2 stops Orlando Sao Paulo Viracopos
Azul Logo
1:45 pm - 11:29 amSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
22h 44m2 stops Sao Paulo Viracopos Fort Lauderdale
$774Azul
Wed, Feb 24 - Wed, Mar 10
Azul Logo
9:37 am - 10:45 amIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
23h 08m2 stops Orlando Sao Paulo Viracopos
Azul Logo
3:15 pm - 11:29 amSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
22h 14m2 stops Sao Paulo Viracopos Fort Lauderdale
$796Azul
Sat, Feb 27 - Mon, Mar 8
Azul Logo
12:56 pm - 10:45 amIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
19h 49m2 stops Orlando Sao Paulo Viracopos
Azul Logo
3:15 pm - 11:29 amSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
22h 14m2 stops Sao Paulo Viracopos Fort Lauderdale
$812Azul
Mon, Mar 8 - Thu, Mar 11
LATAM Airlines Logo
6:00 am - 5:25 pmIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
33h 25m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
10:10 am - 11:59 amSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
27h 49m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$823LATAM Airlines
Mon, Mar 8 - Thu, Mar 11
LATAM Airlines Logo
1:00 pm - 10:00 pmIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
31h 00m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
10:10 am - 9:11 amSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
25h 01m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$823LATAM Airlines
Wed, Mar 17 - Wed, Mar 24
LATAM Airlines Logo
7:50 pm - 10:00 pmIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
25h 10m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
10:10 am - 2:41 pmSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
29h 31m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$823LATAM Airlines
Tue, Feb 23 - Mon, Mar 1
Azul Logo
12:56 pm - 10:45 amIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
19h 49m2 stops Orlando Sao Paulo Viracopos
Azul Logo
5:30 pm - 3:53 pmSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
24h 23m2 stops Sao Paulo Viracopos Fort Lauderdale
$836Azul
Sun, Jan 17 - Sat, Jan 30
GOL Logo
2:30 pm - 10:25 amIAD  Washington, D.C. Dulles Intl-SDU Rio de Janeiro Santos Dumont
41h 55m2 stops Bogotá El Dorado Brasilia
GOL Logo
1:35 pm - 4:30 amSDU  Rio de Janeiro Santos Dumont-IAD Washington, D.C. Dulles Intl
40h 55m2 stops Brasilia Bogotá El Dorado
$840GOL
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport typically range from $940 to $1,252. The lowest price found in the past 5 days was $730, on Azul.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport flights

Low season

April

Cheapest flight

$333
Beat the crowds with an average 88% drop in travelers.
The most popular month to fly with an average 62% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport

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

Your Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport?

    Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport range from $940 to $1,252, with an average of $1,011 over the past 12 months. Anything below $940 counts as a good deal.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $730 to $6,474. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport are currently in line with typical prices for this route. Average one-way fares are about $408.

  • What car rental options are available at Rio de Janeiro Santos Dumont Airport (SDU)?

    Rio de Janeiro Santos Dumont Airport (SDU) hosts 5 major car rental companies, with daily rates averaging $32 for economy cars. Top options include:

    • FOCO
    • MOVIDA
    • Avis
    • Budget
    • Unidas

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport?

    Flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Rio de Janeiro Santos Dumont (SDU).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport pass through?

    Most connecting flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport pass through Sao Paulo Guarulhos Intl (GRU), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport?

    Yes. Flexible dates can save you up to 18% on flights from Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport. Tuesday is the cheapest departure day at $968 round-trip on average, while Wednesday is the most expensive at $1,179, a difference of $211.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Rio de Janeiro Santos Dumont Airport?

    Rio de Janeiro Santos Dumont Airport is 2 hours ahead of Washington, D.C. Dulles Intl Airport (Brasilia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Rio de Janeiro Santos Dumont Airport?

    Some of the most popular sights in Rio de Janeiro Santos Dumont Airport are Copacabana Beach, RioCentro and Praia do Arpoador. These are among the most viewed places in Rio de Janeiro Santos Dumont Airport on KAYAK.

Your guide to booking Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Wednesday. On this route, Tuesday flights average $968, about $211 less than Wednesday fares (18% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Rio de Janeiro Santos Dumont Airport trip for October. Fares historically average $701 round-trip in that month - typically $653 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Rio de Janeiro Santos Dumont Airport.

    • Hotel Atlântico Business Centro
    • ibis Rio de Janeiro Santos Dumont
    • Hotel Ok

More options for your flight from Washington, D.C. to Santos Dumont

Complete your trip to Santos Dumont with a hotel stay or car rental

Car rentals in Rio de Janeiro
Hotels in Rio de Janeiro
Vacations in Rio de Janeiro