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 is the cheapest time of day to fly from GRO to IAD?

When flying from Girona Costa Brava Airport to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia 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 Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Costa Brava to Dulles Intl?

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

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

Yes. Cheapflights offers flight deals from Costa Brava 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.

$1,354+ Flights from Girona Costa Brava Airport to Washington, D.C. Dulles Intl Airport

Q: E

Most trusted provider : When it comes to deals on Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia 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 Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Q: Can I find deals for flights from Costa Brava to Dulles Intl that include hotel bookings?

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

Q: How can I find direct flights from Costa Brava to Dulles Intl?

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

Q: Can I find deals for business class flights from Costa Brava to Dulles Intl?

Yes. Cheapflights offers flight deals from Costa Brava 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.

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Cheap flight deals from Costa Brava to Dulles Intl

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Cheapest flights from Costa Brava to Dulles Intl
Explore the most affordable flight options available from Costa Brava to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.

Sat 3/219:10 pm

GRO

IAD

3 stops44h 35m

Multiple Airlines

Sat 3/287:05 pm

IAD

GRO

2 stops15h 50m

Multiple Airlines

Deal found 2/4

$1,354

Find flight deals from Costa Brava to Dulles Intl

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$1,354 (Mytrip)
Popular in	July
Cheapest in	February
Average price	$449

Provider with most accurate pricing for Girona Costa Brava-Washington, D.C. Dulles Intl flight deals.

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From Girona Costa Brava to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 12% potential increase in price ($93 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).

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GironaWashington, D.C.

GRO - IAD

GROIAD

Girona Costa Brava

Sat 3/21

9:10 pm-12:45 pm

3 stops44h 35m

Washington, D.C. Dulles Intl

Sat 3/28

7:05 pm-3:55 pm

2 stops15h 50m

$1,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Most accurate provider: When it comes to deals on Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia 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 Girona Costa Brava Airport-Washington, D.C. Dulles Intl Airport 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 Costa Brava to Dulles Intl

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

GRO-IAD

Estimated round-trip price

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Related info for your journey

Can I find deals for flights from Costa Brava to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Costa Brava to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Costa Brava to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Costa Brava to Dulles Intl.
Can I find deals for business class flights from Costa Brava to Dulles Intl?
Yes. Cheapflights offers flight deals from Costa Brava 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.

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$1,354+ Cheap flights from Costa Brava (GRO) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/21. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Costa Brava to Dulles IntlExplore the most affordable flight options available from Costa Brava to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.

Explore the most affordable flight options available from Costa Brava to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.

Best flights from Costa Brava to Dulles IntlDiscover carefully curated flight deals from Costa Brava to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.

Discover carefully curated flight deals from Costa Brava to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.

Last-minute flights from Costa Brava to Dulles IntlDiscover last-minute flight deals from Costa Brava to Dulles Intl. Data last updated February 7, 2026 and is based on user searches.

Discover last-minute flight deals from Costa Brava to Dulles Intl. Data last updated February 7, 2026 and is based on user searches.

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Related info for your journey

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

How can I find direct flights from Costa Brava to Dulles Intl?

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Cheapest flights from Costa Brava to Dulles Intl
Explore the most affordable flight options available from Costa Brava to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.

Best flights from Costa Brava to Dulles Intl
Discover carefully curated flight deals from Costa Brava to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.

Last-minute flights from Costa Brava to Dulles Intl
Discover last-minute flight deals from Costa Brava to Dulles Intl. Data last updated February 7, 2026 and is based on user searches.