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$299+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAO
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
1 adult, Economy
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Cheap 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 May 11, 2026.

This KAYAK deal was found by Cheapflights users on 5/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:16 am
IAD
-
GRU
2 stops19h 54m
LATAM Airlines
Mon 6/153:25 pm
GRU
-
IAD
2 stops21h 14m
LATAM Airlines
Deal found 5/10$666
This eDestinos deal was found by Cheapflights users on 5/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:15 am
IAD
-
VCP
1 stop20h 15m
Azul
Wed 10/1410:40 pm
VCP
-
IAD
1 stop16h 53m
Azul
Deal found 5/10$669
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Wed 9/234:34 pm
IAD
-
GRU
1 stop12h 56m
Copa Airlines
Mon 9/2811:10 am
GRU
-
IAD
1 stop14h 22m
Copa Airlines
Deal found 5/7$698
This oojo deal was found by Cheapflights users on 5/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:21 am
IAD
-
GRU
1 stop20h 49m
Copa Airlines
Thu 6/1111:10 am
GRU
-
IAD
1 stop18h 11m
Copa Airlines
Deal found 5/8$700
This Copa Airlines deal was found by Cheapflights users on 5/10. 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.
Wed 10/212:25 am
IAD
-
GRU
1 stop17h 25m
Copa Airlines
Wed 10/2811:10 am
GRU
-
IAD
1 stop18h 03m
Copa Airlines
Deal found 5/10$701
This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:00 pm
IAD
-
GRU
1 stop12h 40m
LATAM Airlines
Mon 9/2812:45 pm
GRU
-
IAD
2 stops24h 14m
LATAM Airlines
Deal found 5/7$709
This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:05 am
IAD
-
GRU
2 stops20h 50m
LATAM Airlines
Mon 9/2812:45 pm
GRU
-
IAD
2 stops21h 25m
LATAM Airlines
Deal found 5/7$713
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Wed 9/234:34 pm
IAD
-
GRU
1 stop12h 56m
Copa Airlines
Tue 9/295:00 am
GRU
-
IAD
1 stop24h 20m
Copa Airlines
Deal found 5/7$714
This oojo deal was found by Cheapflights users on 5/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:38 pm
IAD
-
GRU
1 stop30h 32m
Copa Airlines
Wed 6/1011:10 am
GRU
-
IAD
1 stop14h 23m
Copa Airlines
Deal found 5/6$715
This oojo deal was found by Cheapflights users on 5/10. 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.
Fri 6/126:25 am
IAD
-
GRU
1 stop13h 25m
Copa Airlines
Wed 6/245:15 am
GRU
-
IAD
1 stop20h 18m
Copa Airlines
Deal found 5/10$720
This Copa Airlines deal was found by Cheapflights users on 5/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:25 am
IAD
-
GRU
1 stop20h 25m
Copa Airlines
Mon 6/225:00 am
GRU
-
IAD
1 stop20h 33m
Copa Airlines
Deal found 5/8$721
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Sun 6/74:38 pm
IAD
-
GRU
1 stop30h 52m
Copa Airlines
Thu 6/115:00 am
GRU
-
IAD
1 stop20h 33m
Copa Airlines
Deal found 5/10$725

Find 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 May 11, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$666
(KAYAK)

One-way from

$299
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$720

Good round-trip deal

$922 or less

Good one-way deal

$1,750 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. 13% potential increase in price ($128 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 May 2026
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 May 11, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Wed 10/21

2:25 am-8:50 pm

1 stop17h 25m

Sao Paulo Guarulhos Intl

Wed 10/28

11:10 am-4:13 am

1 stop18h 03m

$701

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Wed 10/7

4:34 pm-6:30 am

1 stop12h 56m

Sao Paulo Guarulhos Intl

Fri 10/16

2:00 am-12:32 am

1 stop23h 32m

$701

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Wed 10/28

2:12 am-8:50 pm

1 stop17h 38m

Sao Paulo Guarulhos Intl

Sun 11/1

3:10 am-11:30 pm

1 stop22h 20m

$721

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Tue 6/9

4:38 pm-6:30 am

1 stop12h 52m

Sao Paulo Guarulhos Intl

Sun 6/14

2:00 am-3:05 pm

1 stop14h 05m

$721

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Tue 9/22

4:34 pm-6:30 am

1 stop12h 56m

Sao Paulo Guarulhos Intl

Mon 9/28

1:30 am-3:04 pm

1 stop14h 34m

$721

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Mon 9/21

3:02 pm-6:30 am

1 stop14h 28m

Sao Paulo Guarulhos Intl

Sun 10/4

9:30 pm-6:25 am

Nonstop9h 55m

$803

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Fri 6/5

2:21 am-8:50 pm

1 stop17h 29m

Sao Paulo Guarulhos Intl

Sat 6/13

11:10 am-4:21 am

1 stop18h 11m

$858

Washington, D.C.Sao Paulo

IAD - VCP

IADVCP

Washington, D.C. Dulles Intl

Tue 6/9

6:50 am-1:05 pm

2 stops29h 15m

Sao Paulo Viracopos

Mon 6/15

7:40 pm-5:20 am

2 stops34h 40m

$886
Quickest round-trip

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Sun 6/7

10:30 pm-9:30 am

Nonstop10h 00m

Sao Paulo Guarulhos Intl

Thu 6/11

9:30 pm-6:25 am

Nonstop9h 55m

$921

Washington, D.C.Sao Paulo

IAD - GRU

IADGRU

Washington, D.C. Dulles Intl

Fri 7/17

3:35 pm-4:05 pm

1 stop23h 30m

Sao Paulo Guarulhos Intl

Sun 7/26

1:20 am-5:20 am

1 stop29h 00m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sao Paulo flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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?

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 43 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sao Paulo (average of $200). Flying from Washington, D.C. Dulles Intl Airport to Sao Paulo in December is currently the most expensive (average of $569). 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 May 11, 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 May 11, 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).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Sao Paulo?

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 May 11, 2026.
See what other customers who have flown with Copa Airlines,United Airlines, andAvianca 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
7.5
Good
1,585 reviews

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.5

Comfort

7.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
Copa Airlines
7.5
Good
1,585 reviews
Copa Airlines
7.5
Good
1,585 reviews

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.5

Comfort

7.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
United Airlines
7.4
Good
9,700 reviews
Copa Airlines
7.5
Good
1,585 reviews

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.5

Comfort

7.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
Avianca
6.5
Okay
2,522 reviews
Copa Airlines
7.5
Good
1,585 reviews

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.5

Comfort

7.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

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, GOL, and Azul can get you from Washington, D.C. Dulles Intl Airport to Sao Paulo in just under 16h 25m. Your travel time can differ by up to 10h 25m. There are 4705 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 Copa Airlines is currently your cheapest option to Sao Paulo, with prices starting at $200. Additional round-trip tickets that might be worth considering are offered by GOL and Avianca, with the lowest prices starting at $341 and $377, respectively. Copa Airlines is priced at 76% 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?

    $178 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 $230 and $378, 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 $1,421, our data shows the cheapest flight currently is $666. When looking at the most popular route, (Washington, D.C. Dulles Intl - Sao Paulo Guarulhos Intl), you can expect to pay $696 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sao Paulo (average of $200). Flying from Washington, D.C. Dulles Intl Airport to Sao Paulo in December is currently the most expensive (average of $569). 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

Traveling to a place near Sao Paulo?

Book flights to Sao Paulo if you plan to visit one of these locations
Santos

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Alternative routes for Dulles Intl to Sao Paulo

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Guarulhos Intl flights

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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$200Average$740FlexibilityNo cancel feeOn-time70%
GOLCheapest$341Average$631FlexibilityNo cancel feeOn-time74%
AviancaCheapest$377Average$732FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$529Average$598FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$584Average$819FlexibilityNo cancel feeOn-time69%

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