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$268+ Cheap flights from Dulles Intl (IAD) to Sao Paulo, Brazil (SAO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAO
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Sao Paulo are usually found in September or May, booked 69 days in advance, depart on a Monday or Thursday and return on a Thursday

Find flight deals from Dulles Intl to Sao Paulo

Cheapest flights from Dulles Intl to Sao Paulo
Explore the most affordable flight options available from Dulles Intl to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Trip.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:35 pmIAD - GRU
1 stop23h 40mMultiple Airlines
Thu 12/112:40 amGRU - IAD
1 stop12h 35mMultiple Airlines
Deal found 11/20$727
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:45 amIAD - GRU
1 stop17h 50mMultiple Airlines
Thu 12/112:40 amGRU - IAD
1 stop12h 35mMultiple Airlines
Deal found 11/20$731
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:35 pmIAD - GRU
1 stop33h 00mAvianca
Tue 12/95:25 pmGRU - IAD
3 stops32h 45mAvianca
Deal found 11/20$732
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:22 amIAD - GRU
1 stop17h 28mMultiple Airlines
Wed 12/102:40 amGRU - IAD
1 stop12h 35mMultiple Airlines
Deal found 11/20$736
This 123 Milhas deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:35 pmIAD - GRU
1 stop30h 05mAvianca
Sat 3/77:35 amGRU - IAD
1 stop22h 50mAvianca
Deal found 11/19$739
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:55 pmIAD - GRU
2 stops18h 55mMultiple Airlines
Wed 12/102:40 amGRU - IAD
1 stop12h 35mMultiple Airlines
Deal found 11/20$740
This Travelocity deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:35 pmIAD - GRU
1 stop33h 00mMultiple Airlines
Thu 12/112:40 amGRU - IAD
1 stop12h 35mMultiple Airlines
Deal found 11/20$743
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:22 amIAD - GRU
1 stop13h 48mMultiple Airlines
Mon 12/87:35 amGRU - IAD
1 stop31h 40mMultiple Airlines
Deal found 11/18$745
This Priceline deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:00 amIAD - GRU
2 stops20h 35mAvianca
Mon 12/82:40 amGRU - IAD
2 stops26h 30mAvianca
Deal found 11/20$746
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:11 pmIAD - VCP
3 stops34h 34mMultiple Airlines
Fri 12/129:50 amVCP - IAD
2 stops31h 56mMultiple Airlines
Deal found 11/20$1,028
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:17 pmIAD - VCP
2 stops20h 38mMultiple Airlines
Wed 1/141:10 pmVCP - IAD
1 stop20h 54mMultiple Airlines
Deal found 11/20$1,030
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:35 pmIAD - VCP
2 stops26h 25mMultiple Airlines
Tue 12/97:40 pmVCP - IAD
2 stops19h 35mMultiple Airlines
Deal found 11/20$1,076

Cheap flight deals from Dulles Intl to Sao Paulo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sao Paulo (SAO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$727
(Trip.com)

One-way from

$268
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$834

Good round-trip deal

$739 or less

Good one-way deal

$299 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sao Paulo (SAO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sao Paulo (SAO) flights.
Search Deals
From Washington, D.C. Dulles Intl to Sao Paulo (SAO)
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Sao Paulo (SAO)
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Sao Paulo (SAO).
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Sao Paulo (SAO).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Sao Paulo 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, Cheapflights users made 2,558,603 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sao Paulo that are best for you.

Fly from

Dulles Intl

Fly to

Sao Paulo

Route

Depart

Return

Price

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Wed 1/14

1:12 am-8:50 pm

1 stop17h 38m

Sao Paulo Guarulhos Intl

Sat 3/14

3:10 am-12:32 am

1 stop22h 22m

$736

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Thu 1/15

9:45 am-9:00 am

1 stop21h 15m

Sao Paulo Guarulhos Intl

Sat 3/14

1:20 am-5:25 am

1 stop29h 05m

$742

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Thu 1/15

9:00 am-9:00 am

2 stops22h 00m

Sao Paulo Guarulhos Intl

Sun 3/15

2:10 pm-3:46 pm

2 stops26h 36m

$760

Washington, D.C.Sao Paulo

IAD - VCP

IADVCP

Washington, D.C. Dulles Intl

Sat 3/7

4:00 am-12:35 pm

3 stops31h 35m

Sao Paulo Viracopos

Sat 3/14

5:10 pm-5:25 am

3 stops37h 15m

$772

Washington, D.C.Sao Paulo

IAD - CGH

IADCGH

Washington, D.C. Dulles Intl

Tue 1/27

2:35 pm-2:25 pm

2 stops21h 50m

Sao Paulo Congonhas

Sat 1/31

6:35 am-1:15 pm

2 stops32h 40m

$775

Washington, D.C.Sao Paulo

IAD - CGH

IADCGH

Washington, D.C. Dulles Intl

Thu 3/5

2:35 pm-10:00 am

2 stops17h 25m

Sao Paulo Congonhas

Mon 3/9

5:05 pm-2:15 pm

2 stops22h 10m

$780

Washington, D.C.Sao Paulo

IAD - VCP

IADVCP

Washington, D.C. Dulles Intl

Sun 5/10

3:25 pm-9:45 am

2 stops17h 20m

Sao Paulo Viracopos

Thu 5/14

7:40 pm-2:00 pm

2 stops19h 20m

$791

Washington, D.C.Sao Paulo

IAD - VCP

IADVCP

Washington, D.C. Dulles Intl

Thu 5/7

3:25 pm-9:45 am

2 stops17h 20m

Sao Paulo Viracopos

Sun 5/17

7:25 pm-2:00 pm

2 stops19h 35m

$791

Washington, D.C.Sao Paulo

IAD - CGH

IADCGH

Washington, D.C. Dulles Intl

Thu 5/7

3:25 pm-3:20 pm

2 stops22h 55m

Sao Paulo Congonhas

Sun 5/17

6:55 pm-2:00 pm

2 stops20h 05m

$797

Washington, D.C.Sao Paulo

IAD - VCP

IADVCP

Washington, D.C. Dulles Intl

Sun 3/8

3:35 pm-9:10 am

2 stops16h 35m

Sao Paulo Viracopos

Sun 3/22

5:55 pm-2:15 pm

2 stops45h 20m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 55 results
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Compare providers for flights from Dulles Intl to Sao Paulo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Sao Paulo in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sao Paulo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sao Paulo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Sao Paulo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sao Paulo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Sao Paulo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Sao Paulo

Have a flexible travel schedule? Discover the best time to fly to Sao Paulo from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Sao Paulo

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Sao Paulo?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Sao Paulo. Price data was last updated on November 14, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Sao Paulo may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sao Paulo?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sao Paulo (average of $472). Flying from Washington, D.C. Dulles Intl Airport to Sao Paulo in December is currently the most expensive (average of $818). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to SAO?

Find hourly flight availability from Dulles Intl to Sao Paulo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Sao Paulo in the evening. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Sao Paulo?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Sao Paulo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Sao Paulo flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Sao Paulo

Explore weekly flight availability from Dulles Intl to Sao Paulo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2025.

The most flights from IAD to SAO are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Sao Paulo

Get insights into the airlines that provide service to Sao Paulo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sao Paulo. Reviews last updated November 20, 2025.
See what other customers who have flown with Copa Airlines, United Airlines, and Avianca from Washington, D.C. Dulles Intl Airport to Sao Paulo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,566 reviews

Food

6.9

Boarding

7.8

Overall

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,566 reviews
Copa Airlines
7.6
Good
1,566 reviews

Food

6.9

Boarding

7.8

Overall

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
United Airlines
7.4
Good
9,028 reviews
Copa Airlines
7.6
Good
1,566 reviews

Food

6.9

Boarding

7.8

Overall

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Avianca
6.6
Okay
2,476 reviews
Copa Airlines
7.6
Good
1,566 reviews

Food

6.9

Boarding

7.8

Overall

7.6

Crew

8.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Sao Paulo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Sao Paulo?

    Copa Airlines, Air Canada, and GOL can get you from Washington, D.C. Dulles Intl Airport to Sao Paulo in just under 17h 38m. Your travel time can differ by up to 4h 22m. There are 4749 mi between Washington, D.C. Dulles Intl Airport and Sao Paulo. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Sao Paulo round-trip?

    Flying on Avianca is currently your cheapest option to Sao Paulo, with prices starting at $509. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and LATAM Airlines, with the lowest prices starting at $530 and $573, respectively. Avianca is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Sao Paulo?

    While some choose either Washington, D.C. Dulles Intl - Sao Paulo Viracopos or Washington, D.C. Dulles Intl - Sao Paulo Congonhas, Washington, D.C. Dulles Intl - Sao Paulo Guarulhos Intl is the most popular route from Washington, D.C. Dulles Intl Airport to Sao Paulo.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Sao Paulo?

    While on average a flight from Washington, D.C. Dulles Intl Airport to Sao Paulo is generally $778, our data shows the cheapest flight currently is $299. When looking at the most popular route, (Washington, D.C. Dulles Intl - Sao Paulo Guarulhos Intl), you can expect to pay $561 for that flight.

  • Can I find deals for flights from Dulles Intl to Sao Paulo that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Sao Paulo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Sao Paulo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Sao Paulo.

  • Can I find deals for business class flights from Dulles Intl to Sao Paulo?

    Yes. Cheapflights offers flight deals from Dulles Intl to Sao Paulo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sao Paulo?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sao Paulo (average of $472). Flying from Washington, D.C. Dulles Intl Airport to Sao Paulo in December is currently the most expensive (average of $818). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Dulles Intl to Sao Paulo

Discover the top 4 airlines that operate flights from Dulles Intl to Sao Paulo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$509Average$770FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$530Average$765FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$573Average$773FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$609Average$804FlexibilityNo cancel feeOn-time69%

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