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$246+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAO
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$619
(Air Canada)

One-way from

$246
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$669

Good round-trip deal

$940 or less

Good one-way deal

$699 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sao Paulo (SAO) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sao Paulo (SAO) flights.
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From Washington, D.C. Dulles Intl to Sao Paulo (SAO)
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One-way flight from Washington, D.C. Dulles Intl to Sao Paulo (SAO)
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Highest demand for flights based on searches. 8% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Sao Paulo (SAO).
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Sao Paulo (SAO).
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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 enero 8, 2026.

This Air Canada deal was found by Cheapflights users on 1/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/269:45 amIAD - GRU
2 stops21h 15mAir Canada
mar. 2/39:30 pmGRU - IAD
2 stops20h 54mAir Canada
Deal found 1/7$619
This oojo deal was found by Cheapflights users on 1/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/156:45 amIAD - GRU
1 stop21h 55mAvianca
jue. 3/191:20 amGRU - IAD
1 stop13h 55mAvianca
Deal found 1/7$622
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
dom. 5/33:25 pmIAD - GRU
1 stop13h 10mMultiple Airlines
mié. 5/134:50 pmGRU - IAD
1 stop22h 10mMultiple Airlines
Deal found 1/7$624
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
dom. 3/15:45 amIAD - GRU
1 stop14h 55mMultiple Airlines
dom. 3/82:40 amGRU - IAD
1 stop12h 35mMultiple Airlines
Deal found 1/6$625
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
mié. 3/41:18 amIAD - GRU
1 stop24h 32mMultiple Airlines
dom. 3/82:40 amGRU - IAD
1 stop12h 35mMultiple Airlines
Deal found 1/7$626
This Copa Airlines deal was found by Cheapflights users on 1/6. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/58:29 amIAD - GRU
1 stop17h 21mCopa Airlines
dom. 2/85:25 amGRU - IAD
1 stop20h 07mCopa Airlines
Deal found 1/6$630
This Gotogate deal was found by Cheapflights users on 1/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/74:30 pmIAD - CGH
2 stops21h 45mAir Canada
dom. 3/152:40 pmCGH - IAD
2 stops26h 48mAir Canada
Deal found 1/7$631
This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
jue. 4/305:45 amIAD - GRU
2 stops17h 55mMultiple Airlines
lun. 5/44:50 pmGRU - IAD
1 stop22h 10mMultiple Airlines
Deal found 1/8$631
This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/257:52 pmIAD - GRU
1 stop12h 03mLATAM Airlines
mar. 3/35:45 pmGRU - IAD
2 stops19h 50mLATAM Airlines
Deal found 1/7$633
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
lun. 3/23:35 pmIAD - GRU
1 stop12h 55mCopa Airlines
mié. 3/411:10 amGRU - IAD
1 stop14h 22mCopa Airlines
Deal found 1/6$634
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/255:45 amIAD - GRU
1 stop21h 55mAvianca
dom. 3/157:35 amGRU - IAD
1 stop22h 50mAvianca
Deal found 1/7$635
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
mar. 2/2412:24 pmIAD - VCP
2 stops40h 31mMultiple Airlines
jue. 3/510:10 amVCP - IAD
1 stop23h 14mMultiple Airlines
Deal found 1/7$638

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 enero 8, 2026.
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

sáb. 3/7

3:35 pm-6:30 am

1 stop12h 55m

Sao Paulo Guarulhos Intl

sáb. 3/14

5:25 am-12:32 am

1 stop20h 07m

$630

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

jue. 4/30

5:45 am-12:40 am

2 stops17h 55m

Sao Paulo Guarulhos Intl

lun. 5/4

4:50 pm-2:00 pm

1 stop22h 10m

$631

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

dom. 3/15

6:45 am-10:40 pm

1 stop14h 55m

Sao Paulo Guarulhos Intl

jue. 3/19

1:20 am-2:15 pm

1 stop13h 55m

$635

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

mié. 5/13

5:45 am-12:40 am

2 stops17h 55m

Sao Paulo Guarulhos Intl

dom. 5/17

4:50 pm-5:35 am

1 stop13h 45m

$667

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

lun. 2/16

2:35 pm-4:15 pm

1 stop23h 40m

Sao Paulo Guarulhos Intl

lun. 2/23

5:25 pm-1:15 pm

1 stop21h 50m

$675

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

lun. 3/9

4:35 pm-6:30 am

1 stop12h 55m

Sao Paulo Guarulhos Intl

sáb. 3/28

5:25 am-12:32 am

1 stop20h 07m

$677

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

vie. 5/15

10:30 pm-9:30 am

Nonstop10h 00m

Sao Paulo Guarulhos Intl

sáb. 5/23

9:30 pm-6:25 am

Nonstop9h 55m

$708

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

sáb. 2/28

10:30 pm-10:20 am

Nonstop9h 50m

Sao Paulo Guarulhos Intl

mar. 3/10

9:30 pm-6:40 am

Nonstop10h 10m

$708

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

vie. 2/27

10:30 pm-10:20 am

Nonstop9h 50m

Sao Paulo Guarulhos Intl

lun. 3/9

9:30 pm-6:40 am

Nonstop10h 10m

$708

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

sáb. 5/16

10:30 pm-9:30 am

Nonstop10h 00m

Sao Paulo Guarulhos Intl

sáb. 5/23

9:30 pm-6:25 am

Nonstop9h 55m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 57 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*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

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 $739). 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 enero 8, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Sao Paulo as you normally would.

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 enero 8, 2026.

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 enero 8, 2026.
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
1,562 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Crew

8.1

Overall

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Copa Airlines
7.6
Good
1,562 reviews
Copa Airlines
7.6
Good
1,562 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Crew

8.1

Overall

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
United Airlines
7.4
Good
9,143 reviews
Copa Airlines
7.6
Good
1,562 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Crew

8.1

Overall

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Avianca
6.6
Okay
2,494 reviews
Copa Airlines
7.6
Good
1,562 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Crew

8.1

Overall

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

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, Avianca, and GOL can get you from Washington, D.C. Dulles Intl Airport to Sao Paulo in just under 12h 55m. Your travel time can differ by up to 37h 30m. 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 LATAM Airlines and Copa Airlines, with the lowest prices starting at $529 and $530, respectively. Avianca is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Sao Paulo one-way?

    $237 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Copa Airlines and United Airlines, with prices starting from $283 and $673, respectively.

  • 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 $837, our data shows the cheapest flight currently is $551. When looking at the most popular route, (Washington, D.C. Dulles Intl - Sao Paulo Guarulhos Intl), you can expect to pay $546 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 $739). 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 5 airlines flying from Dulles Intl to Sao Paulo

Discover the top 5 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$509Average$759FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$517Average$755FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$529Average$592FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$550Average$895FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$609Average$799FlexibilityNo cancel feeOn-time69%

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