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 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.

$330+ Flights from Sao Paulo Guarulhos Intl Airport, Brazil to Washington, D.C. Dulles Intl Airport

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

Airfare is below average for this route at the moment. Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $714 and $952 in September. The cheapest round-trip price found within the last 3 days was $640 on Avianca (Sep 28-Oct 10).

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 10 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Guarulhos Intl to Dulles Intl

Round-trip from	$640 (Booking.com)
One-way from	$330 (Kiwi.com)
Popular in	January
Cheapest in	September
Average price	$810
Good round-trip deal	$824 or less
Good one-way deal	$340 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. 15% potential increase in price ($150 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 18, 2025.

Sun 9/284:50 pmGRU - IAD

1 stop22h 10mAvianca

Fri 10/107:00 amIAD - GRU

1 stop16h 40mAvianca

Deal found 8/15

$640

Wed 9/31:45 amGRU - IAD

2 stops17h 39mMultiple Airlines

Mon 9/153:15 pmIAD - GRU

1 stop13h 25mMultiple Airlines

Deal found 8/16

$652

Sun 9/287:20 amGRU - IAD

1 stop23h 15mAvianca

Sat 10/113:20 pmIAD - GRU

1 stop13h 15mAvianca

Deal found 8/15

$656

Mon 9/291:45 amGRU - IAD

1 stop13h 15mAvianca

Fri 10/107:00 amIAD - GRU

1 stop18h 10mAvianca

Deal found 8/15

$663

Tue 9/231:45 amGRU - IAD

1 stop13h 15mAvianca

Tue 9/305:45 amIAD - GRU

2 stops19h 25mAvianca

Deal found 8/18

$670

Tue 9/233:10 amGRU - IAD

1 stop12h 55mCopa Airlines

Mon 9/292:25 amIAD - GRU

1 stop17h 25mCopa Airlines

Deal found 8/18

$672

Sun 9/284:50 pmGRU - IAD

1 stop22h 10mAvianca

Thu 10/94:05 amIAD - GRU

2 stops21h 05mAvianca

Deal found 8/15

$681

Mon 9/291:40 amGRU - IAD

1 stop23h 50mCopa Airlines

Mon 10/64:34 pmIAD - GRU

1 stop12h 56mCopa Airlines

Deal found 8/18

$682

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 August 18, 2025.

Wed 10/17:20 amGRU - IAD

1 stop31h 40mAvianca

Fri 10/103:20 pmIAD - GRU

1 stop32h 20mAvianca

Deal found 8/15

$663

Tue 9/233:10 amGRU - IAD

1 stop12h 55mCopa Airlines

Tue 9/304:34 pmIAD - GRU

1 stop12h 56mCopa Airlines

Deal found 8/18

$672

Tue 9/304:50 pmGRU - IAD

1 stop13h 45mAvianca

Fri 10/107:00 amIAD - GRU

1 stop18h 10mAvianca

Deal found 8/15

$670

Tue 9/305:25 amGRU - IAD

1 stop20h 05mCopa Airlines

Thu 10/302:25 amIAD - GRU

1 stop20h 45mCopa Airlines

Deal found 8/16

$682

Tue 9/3011:10 amGRU - IAD

1 stop18h 10mCopa Airlines

Tue 10/74:34 pmIAD - GRU

1 stop12h 56mCopa Airlines

Deal found 8/16

$682

Fri 9/2611:10 amGRU - IAD

1 stop18h 10mCopa Airlines

Tue 10/74:34 pmIAD - GRU

1 stop12h 56mCopa Airlines

Deal found 8/16

$682

Last-minute flights from Guarulhos Intl to Dulles Intl
Discover last-minute flight deals from Guarulhos Intl to Dulles Intl. Data last updated August 18, 2025 and is based on user searches.

Wed 9/31:45 amGRU - IAD

2 stops17h 39mMultiple Airlines

Mon 9/153:15 pmIAD - GRU

1 stop13h 25mMultiple Airlines

Deal found 8/16

$652

Tue 9/231:45 amGRU - IAD

1 stop13h 15mAvianca

Tue 9/305:45 amIAD - GRU

2 stops19h 25mAvianca

Deal found 8/18

$670

Tue 9/233:10 amGRU - IAD

1 stop12h 55mCopa Airlines

Mon 9/292:25 amIAD - GRU

1 stop17h 25mCopa Airlines

Deal found 8/18

$672

Sun 9/284:50 pmGRU - IAD

1 stop22h 10mAvianca

Fri 10/107:00 amIAD - GRU

1 stop16h 40mAvianca

Deal found 8/15

$640

Sun 9/287:20 amGRU - IAD

1 stop23h 15mAvianca

Sat 10/113:20 pmIAD - GRU

1 stop13h 15mAvianca

Deal found 8/15

$656

Sun 9/284:50 pmGRU - IAD

1 stop22h 10mAvianca

Thu 10/94:05 amIAD - GRU

2 stops21h 05mAvianca

Deal found 8/15

$681

Mon 9/291:45 amGRU - IAD

1 stop13h 15mAvianca

Fri 10/107:00 amIAD - GRU

1 stop18h 10mAvianca

Deal found 8/15

$663

Mon 9/293:10 amGRU - IAD

1 stop22h 20mCopa Airlines

Thu 10/302:25 amIAD - GRU

1 stop20h 45mCopa Airlines

Deal found 8/18

$682

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 August 18, 2025.

Sat 9/61:40 amGRU - IAD

2 stops17h 34mMultiple Airlines

Deal found 8/18

$330

Wed 9/31:30 amGRU - IAD

2 stops17h 54mMultiple Airlines

Deal found 8/17

$337

Tue 9/3011:30 pmGRU - IAD

2 stops29h 50mMultiple Airlines

Deal found 8/16

$341

Tue 9/301:45 amGRU - IAD

1 stop13h 15mAvianca

Deal found 8/16

$344

Mon 9/291:45 amGRU - IAD

2 stops17h 20mAvianca

Deal found 8/16

$346

Mon 9/81:20 pmGRU - IAD

2 stops36h 10mMultiple Airlines

Deal found 8/18

$350

Mon 8/254:23 amGRU - IAD

3 stops42h 16mMultiple Airlines

Deal found 8/18

$354

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 10/1

7:20 am-2:00 pm

1 stop31h 40m

Washington, D.C. Dulles Intl

Fri 10/10

3:20 pm-12:40 am

1 stop32h 20m

$663

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Tue 9/30

4:50 pm-5:35 am

1 stop13h 45m

Washington, D.C. Dulles Intl

Fri 10/10

7:00 am-2:10 am

1 stop18h 10m

$670

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Tue 9/23

3:10 am-3:05 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Tue 9/30

4:34 pm-6:30 am

1 stop12h 56m

$672

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Tue 9/30

5:25 am-12:30 am

1 stop20h 05m

Washington, D.C. Dulles Intl

Thu 10/30

2:25 am-12:10 am

1 stop20h 45m

$682

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Tue 9/30

11:10 am-4:20 am

1 stop18h 10m

Washington, D.C. Dulles Intl

Tue 10/7

4:34 pm-6:30 am

1 stop12h 56m

$682

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Fri 9/26

11:10 am-4:20 am

1 stop18h 10m

Washington, D.C. Dulles Intl

Tue 10/7

4:34 pm-6:30 am

1 stop12h 56m

$682

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Sun 9/7

5:25 am-6:24 pm

2 stops37h 59m

$330

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Wed 9/3

1:30 am-6:24 pm

2 stops17h 54m

$337

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Mon 9/8

4:23 am-12:15 am

3 stops20h 52m

$337

Sao PauloWashington, D.C.

GRU - IAD

GRUIAD

Sao Paulo Guarulhos Intl

Wed 10/1

7:00 am-4:20 am

2 stops22h 20m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 12 results

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 10 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, July 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 $302). Flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 26% 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).

How much does it cost to fly round-trip 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, United Airlines, and Avianca. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Copa Airlines

7.5

Good

1,510 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

1,510 reviews

Copa Airlines

7.5

Good

1,510 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

United Airlines

7.4

Good

8,925 reviews

Copa Airlines

7.5

Good

1,510 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

Avianca

6.7

Okay

2,407 reviews

Copa Airlines

7.5

Good

1,510 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

Related info for your journey

How long is the flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport?
Airlines like Avianca and Copa Airlines fly from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport in about 12h 55m. The time it takes to get you to your destination can typically vary by up to 18h 45m. Sao Paulo Guarulhos Intl Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 4749 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $523, Avianca will fly you from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport and back. In addition to Avianca, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Copa Airlines and United Airlines - these airlines can fly you to your destination from $557 and $686, respectively. These flights start at 34% lower than the current average price 3 months from now.
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 $578 on average our data indicates $664 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, July 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 $302). Flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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$712	FlexibilityNo cancel fee	On-time71%
Copa Airlines	Cheapest$557	Average$645	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$686	Average$812	FlexibilityNo cancel fee	On-time69%

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$330+ 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 9/7. 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

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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 10 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Guarulhos Intl to Dulles Intl

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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 August 18, 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 August 18, 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 August 8, 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 August 18, 2025.

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

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

Reviews of airlines servicing Dulles Intl

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.

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

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 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 Washington, D.C. Dulles 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 August 18, 2025.