$519 Cheap United flights from Washington to Rio de Janeiro (IAD to SDU)

Find The Best Day To Fly from Washington to Rio de Janeiro

Amazing United IAD to SDU Flight Deals

The cheapest flights to Santos Dumont found within the past 7 days were $713 round trip and $519 one way. Prices and availability subject to change. Additional terms may apply.

SDU From IAD Economy Coach Packages on Similar Airlines

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Discover our best United flight from Washington IAD to Rio de Janeiro SDU 

To find the best deals on flights to Washington from Rio de Janeiro with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Washington IAD to Rio de Janeiro SDU with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $713 to $802, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Washington IAD to Rio de Janeiro SDU 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Washington to Rio de Janeiro costs from $519. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Rio de Janeiro SDU from  Washington IAD with United 

To find a cheap United flight from Washington IAD to Rio de Janeiro SDU, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Washington IAD to Rio de Janeiro SDU 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as May, or if you book a flight with a stopover. 

 

Find nonstop flights from Washington IAD to Rio de Janeiro SDU with United 

If you’re keen to be on Rio de Janeiro soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Washington IAD to Rio de Janeiro SDU 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Rio de Janeiro SDU from  Washington IAD with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Rio de Janeiro

B&B HOTEL Santos Dumont
B&B HOTEL Santos Dumont
3 out of 5
Avenida Beira Mar, 280, Rio de Janeiro, RJ
Free WiFi in public areas and luggage storage are available at this hotel. Staff at the 24-hour front desk can provide around-the-clock assistance.
7.6/10 Good! (1,007 reviews)
Good but...
"Great location and nice easy hotel. However beware that it is really noisy. You can hear the noise from the tram and on the weekend we stayed there was a show so noise all night and a sport event with loud music early morning . Great view from the balcony"

Reviewed on Apr 6, 2025

B&B HOTEL Santos Dumont
Hotel Atlantico Business Centro
Hotel Atlantico Business Centro
3.5 out of 5
Rua Senador Dantas, 25, Centro, Rio de Janeiro, RJ
This hotel features an outdoor pool, a gym, and a restaurant. Enjoy the sauna and free perks like buffet breakfast and WiFi in public areas. There's a bar/lounge ...
7.2/10 Good! (1,900 reviews)
"Hotel Atlantico Business Center is the best choice for budget travelers, considering its central location (reachable by public transportation from the airport), level of service (including a very decent free breakfast), and its professional staff. I fully recommend this hotel for its overall service. ..."

Reviewed on Apr 3, 2025

Hotel Atlantico Business Centro
Hotel Atlântico Prime
Hotel Atlântico Prime
4 out of 5
Rua do Resende 87, Rio de Janeiro, RJ
This hotel features a restaurant, a gym, and a bar/lounge. Guests will appreciate free perks like buffet breakfast and WiFi in public areas. Valet parking, a ...
7.2/10 Good! (2,289 reviews)
A Wonderful Stay at Hotel Atlântico Prime!
"I recently had the pleasure of staying at Hotel Atlântico Prime, and I can honestly say it exceeded all my expectations. From the moment I arrived, I was impressed by the modern, stylish décor and the warm, welcoming atmosphere. The staff at the hotel truly made the difference. Every team member ..."

Reviewed on Mar 28, 2025

Hotel Atlântico Prime
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.