In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular airlines that fly from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport?

The most popular airlines flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport are Avianca, Copa Airlines and United Airlines. Something to consider prior to booking your flight.

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

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport lean towards being more expensive in January. Prices are generally better when you fly from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport in November, with the cheapest ticket starting at $387.

Can I find deals for flights from Guarulhos Intl to Dulles Intl that include hotel bookings?

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

How can I find direct flights from Guarulhos Intl to Dulles Intl?

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

Can I find deals for business class flights from Guarulhos Intl to Dulles Intl?

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

$279+ Flights from Sao Paulo Guarulhos Intl Airport, Brazil to Washington, D.C. Dulles Intl Airport

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

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

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Cheapflights Tip: The best prices from Sao Paulo Guarulhos Intl to Washington, D.C. Dulles Intl are usually found in September or March, booked 54 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Guarulhos Intl to Dulles Intl

Round-trip from	$589 (Copa Airlines)
One-way from	$279 (Kiwi.com)
Popular in	January
Cheapest in	September
Average price	$853
Good round-trip deal	$727 or less
Good one-way deal	$325 or less

From Sao Paulo Guarulhos Intl to Washington, D.C. Dulles Intl

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One-way flight from Sao Paulo Guarulhos Intl to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 20% potential increase in price ($221 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Sao Paulo Guarulhos Intl to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Sao Paulo Guarulhos Intl to Washington, D.C. Dulles Intl.

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Find flight deals from Guarulhos Intl to Dulles Intl

Cheapest flights from Guarulhos Intl to Dulles Intl
Explore the most affordable flight options available from Guarulhos Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Wed 10/221:40 amGRU - IAD

1 stop23h 51mCopa Airlines

Sun 11/21:13 amIAD - GRU

1 stop20h 57mCopa Airlines

Deal found 7/2

$589

Wed 9/107:20 amGRU - IAD

2 stops20h 25mAvianca

Thu 9/185:45 amIAD - GRU

2 stops17h 55mAvianca

Deal found 7/2

$590

Wed 8/611:10 amGRU - IAD

1 stop14h 18mMultiple Airlines

Thu 8/213:25 pmIAD - GRU

1 stop13h 10mMultiple Airlines

Deal found 7/1

$596

Sun 11/239:45 pmGRU - IAD

1 stop25h 14mAir Canada

Sun 11/309:55 amIAD - GRU

1 stop21h 05mAir Canada

Deal found 6/30

$642

Best flights from Guarulhos Intl to Dulles Intl
Discover carefully curated flight deals from Guarulhos Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 10/2211:10 amGRU - IAD

1 stop14h 21mCopa Airlines

Mon 10/272:25 amIAD - GRU

1 stop20h 45mCopa Airlines

Deal found 7/2

$589

Wed 9/107:20 amGRU - IAD

2 stops20h 25mAvianca

Thu 9/185:45 amIAD - GRU

2 stops17h 55mAvianca

Deal found 7/2

$590

Wed 8/611:10 amGRU - IAD

1 stop14h 18mMultiple Airlines

Thu 8/213:25 pmIAD - GRU

1 stop13h 10mMultiple Airlines

Deal found 7/1

$596

Sun 11/239:45 pmGRU - IAD

1 stop25h 14mAir Canada

Sun 11/309:55 amIAD - GRU

1 stop21h 05mAir Canada

Deal found 6/30

$642

Last-minute flights from Guarulhos Intl to Dulles Intl
Discover last-minute flight deals from Guarulhos Intl to Dulles Intl. Data last updated July 3, 2025 and is based on user searches.

Thu 7/103:10 amGRU - IAD

1 stop23h 10mCopa Airlines

Mon 7/214:25 pmIAD - GRU

1 stop13h 05mCopa Airlines

Deal found 7/2

$652

Thu 7/101:45 amGRU - IAD

3 stops24h 30mAvianca

Mon 7/141:05 amIAD - GRU

2 stops22h 35mAvianca

Deal found 7/2

$821

Thu 7/101:45 amGRU - IAD

1 stop13h 15mGOL

Mon 7/143:25 pmIAD - GRU

1 stop32h 15mGOL

Deal found 7/1

$917

Fri 7/114:33 amGRU - IAD

2 stops17h 40mMultiple Airlines

Sun 7/132:45 amIAD - GRU

1 stop17h 05mMultiple Airlines

Deal found 7/1

$713

Thu 7/314:10 amGRU - IAD

1 stop26h 25mAvianca

Mon 9/227:00 amIAD - GRU

1 stop16h 40mAvianca

Deal found 7/1

$590

Wed 8/611:10 amGRU - IAD

1 stop14h 18mMultiple Airlines

Thu 8/213:25 pmIAD - GRU

1 stop13h 10mMultiple Airlines

Deal found 7/1

$596

Sun 8/241:40 amGRU - IAD

1 stop23h 48mCopa Airlines

Tue 9/232:25 amIAD - GRU

1 stop20h 45mCopa Airlines

Deal found 7/2

$589

One-way flights from Guarulhos Intl to Dulles Intl
Search for one-way flight options from Guarulhos Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 8/294:33 amGRU - IAD

2 stops39h 51mMultiple Airlines

Deal found 7/2

$279

Sun 9/147:20 amGRU - IAD

1 stop31h 40mAvianca

Deal found 7/2

$294

Thu 8/281:40 amGRU - IAD

1 stop23h 48mCopa Airlines

Deal found 7/1

$304

Sun 11/99:15 amGRU - IAD

2 stops29h 45mGOL

Deal found 7/1

$360

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Wed 10/22

3:10 am-12:31 am

1 stop22h 21m

Washington, D.C. Dulles Intl

Sun 11/2

1:13 am-12:15 am

1 stop21h 02m

$589

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Wed 9/10

7:20 am-2:45 am

2 stops20h 25m

Washington, D.C. Dulles Intl

Thu 9/18

5:45 am-12:40 am

2 stops17h 55m

$590

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Wed 8/6

11:10 am-12:28 am

1 stop14h 18m

Washington, D.C. Dulles Intl

Thu 8/21

3:25 pm-5:35 am

1 stop13h 10m

$596

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Sun 11/23

9:45 pm-8:59 pm

1 stop25h 14m

Washington, D.C. Dulles Intl

Sun 11/30

9:55 am-9:00 am

1 stop21h 05m

$642

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Fri 8/29

4:33 am-7:24 pm

2 stops39h 51m

$279

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Sun 9/14

7:20 am-2:00 pm

1 stop31h 40m

$294

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Thu 8/28

1:40 am-12:28 am

1 stop23h 48m

$304

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Sun 11/9

9:15 am-1:00 pm

2 stops29h 45m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Guarulhos Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Guarulhos 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 Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport

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

The price you pay for your flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 54 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 Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 GRU to IAD?

One of the essential ways to save on airfare from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 30% on airfare.

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

The most flights from GRU to IAD 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 Dulles Intl

Read through reviews of airlines operating flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport, such as Copa Airlines, GOL, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Copa Airlines

7.5

Good

1,467 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

Copa Airlines

7.5

Good

1,467 reviews

Copa Airlines

7.5

Good

1,467 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

GOL

7.3

Good

1,086 reviews

Copa Airlines

7.5

Good

1,467 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

Air Canada

7.1

Good

9,681 reviews

Copa Airlines

7.5

Good

1,467 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

Avianca

6.7

Okay

2,363 reviews

Copa Airlines

7.5

Good

1,467 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

Related info for your journey

What are the cheapest airlines flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $589, Copa Airlines will fly you from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Avianca and Air Canada - these airlines can fly you to your destination from $590 and $642, respectively. These flights start at 29% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport are Avianca ($294), Copa Airlines ($304), and GOL ($360).
What are the cheapest flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport?
Looking at all options, your cheapest flight can be booked for $246. While the most popular route (Sao Paulo Guarulhos Intl - Washington, D.C. Dulles Intl) can be booked for $550 on average our data indicates $645 when flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Guarulhos Intl to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Guarulhos Intl to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Guarulhos Intl to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guarulhos Intl to Dulles Intl.
Can I find deals for business class flights from Guarulhos Intl to Dulles Intl?
Yes. Cheapflights offers flight deals from Guarulhos Intl to Dulles Intl 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 Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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.

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Top 3 airlines flying from Guarulhos Intl to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest$523	Average$711	FlexibilityNo cancel fee	On-time71%
Copa Airlines	Cheapest$565	Average$691	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$686	Average$900	FlexibilityNo cancel fee	On-time69%

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$279+ Cheap flights from Guarulhos Intl, Brazil (GRU) to Dulles Intl (IAD)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Guarulhos Intl to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Sao Paulo Guarulhos Intl to Washington, D.C. Dulles Intl are usually found in September or March, booked 54 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Guarulhos Intl to Dulles Intl

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One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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Cheapest flights from Guarulhos Intl to Dulles IntlExplore the most affordable flight options available from Guarulhos Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Guarulhos Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Guarulhos Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Guarulhos Intl with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Guarulhos Intl to Dulles Intl. Price data was last updated on June 27, 2025.

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

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

Find hourly flight availability from Guarulhos Intl to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport, such as Copa Airlines, GOL, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

Can I find deals for flights from Guarulhos Intl to Dulles Intl that include hotel bookings?

How can I find direct flights from Guarulhos Intl to Dulles Intl?

Can I find deals for business class flights from Guarulhos Intl to Dulles Intl?

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

Traveling to a place near Sao Paulo Guarulhos Intl Airport?

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Alternative routes for Guarulhos Intl to Dulles Intl

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Top 3 airlines flying from Guarulhos Intl to Dulles Intl

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Cheapest flights from Guarulhos Intl to Dulles Intl
Explore the most affordable flight options available from Guarulhos Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.