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 cheapest flights from Grand Cayman to Washington, D.C. Dulles Intl Airport?

Looking at all options, your cheapest flight can be booked for $231. While the most popular route (George Town Owen Roberts Intl - Washington, D.C. Dulles Intl) can be booked for $485 on average, our data indicates $652 when flying from Grand Cayman to Washington, D.C. Dulles Intl Airport.

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

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

How can I find direct flights from Grand Cayman to Dulles Intl?

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

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

Yes. Cheapflights offers flight deals from Grand Cayman 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.

Find Cheap Flights from Grand Cayman to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Grand Cayman to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Insights

Everything you need to know about your flight from Grand Cayman to Washington, D.C. Dulles Intl Airport

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

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Grand Cayman to Washington, D.C. Dulles Intl Airport, such as United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.3

Good

10,474 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.3

Good

10,474 reviews

United Airlines

7.3

Good

10,474 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

What are the cheapest flights from Grand Cayman to Washington, D.C. Dulles Intl Airport?
Looking at all options, your cheapest flight can be booked for $231. While the most popular route (George Town Owen Roberts Intl - Washington, D.C. Dulles Intl) can be booked for $485 on average, our data indicates $652 when flying from Grand Cayman to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Grand Cayman to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Grand Cayman to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Grand Cayman to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Cayman to Dulles Intl.
Can I find deals for business class flights from Grand Cayman to Dulles Intl?
Yes. Cheapflights offers flight deals from Grand Cayman 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.

See more FAQs

Alexandria

Chantilly

Woodbridge

Arlington

Sterling

Lanham

Reston

Herndon

Hyattsville

Springfield

Fairfax

Fredericksburg

Falls Church

Rockville

Towson

Silver Spring

Oxon Hill

Laurel

Hunt Valley

Clinton

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

Dulles Intl flight routes

Flights by cabin class

Other flight options

Popular flights

Complete your trip

Washington, D.C. Dulles Intl Airport car rentals

Washington, D.C. car rentals

Downtown car rentals

Dupont Circle car rentals

Petworth car rentals

Georgetown car rentals

Capitol Hill car rentals

Foggy Bottom - West End car rentals

Southwest Waterfront car rentals

Adams Morgan car rentals

Shaw car rentals

Columbia Heights car rentals

Top airline flying from Grand Cayman to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$313	Average$453	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Find cheap flights from Grand Cayman to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Insights

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

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Grand Cayman to Washington, D.C. Dulles Intl Airport, such as United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest flights from Grand Cayman to Washington, D.C. Dulles Intl Airport?

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

How can I find direct flights from Grand Cayman to Dulles Intl?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 11, 2026.

Search flights from Grand Cayman to Dulles Intl by cabin class

Find flights from Grand Cayman to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Grand Cayman and Dulles Intl flights

Browse other Grand Cayman and Dulles Intl flight options. Last updated on November 11, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Grand Cayman to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

Cheap flights from Grand Cayman to Dulles Intl (IAD)

Find cheap flights from Grand Cayman to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Insights

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

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Grand Cayman to Washington, D.C. Dulles Intl Airport, such as United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest flights from Grand Cayman to Washington, D.C. Dulles Intl Airport?

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

How can I find direct flights from Grand Cayman to Dulles Intl?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 11, 2026.

Search flights from Grand Cayman to Dulles Intl by cabin class

Find flights from Grand Cayman to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Grand Cayman and Dulles Intl flights

Browse other Grand Cayman and Dulles Intl flight options. Last updated on November 11, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Grand Cayman to Dulles Intl

100% Free

Book with Flexibility

Travel Smart