HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Grand Cayman

$116+ Cheap flights from Dulles Intl (IAD) to Grand Cayman

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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GCM
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Grand Cayman 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.

Cheap flight deals from Dulles Intl to Grand Cayman

Cheapest flights from Dulles Intl to Grand Cayman
Explore the most affordable flight options available from Dulles Intl to Grand Cayman. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:10 am
IAD
-
GCM
1 stop6h 17m
American Airlines
Tue 8/2512:30 pm
GCM
-
IAD
1 stop9h 25m
American Airlines
Deal found 7/8$321
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:11 am
IAD
-
GCM
1 stop27h 16m
American Airlines
Thu 8/2712:30 pm
GCM
-
IAD
1 stop9h 25m
American Airlines
Deal found 7/10$328
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:17 am
IAD
-
GCM
1 stop6h 10m
American Airlines
Tue 8/2512:30 pm
GCM
-
IAD
1 stop9h 25m
American Airlines
Deal found 7/10$329
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:40 pm
IAD
-
GCM
1 stop19h 20m
American Airlines
Wed 12/93:14 pm
GCM
-
IAD
1 stop8h 47m
American Airlines
Deal found 7/10$336
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:57 am
IAD
-
GCM
1 stop8h 03m
American Airlines
Sat 9/512:30 pm
GCM
-
IAD
1 stop8h 23m
American Airlines
Deal found 7/8$337
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 pm
IAD
-
GCM
2 stops17h 30m
American Airlines
Sun 11/13:14 pm
GCM
-
IAD
2 stops21h 58m
American Airlines
Deal found 7/9$339
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:44 am
IAD
-
GCM
2 stops13h 36m
American Airlines
Sun 11/153:14 pm
GCM
-
IAD
2 stops21h 58m
American Airlines
Deal found 7/10$344
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:06 pm
IAD
-
GCM
1 stop21h 54m
American Airlines
Sun 12/133:45 pm
GCM
-
IAD
2 stops21h 35m
American Airlines
Deal found 7/8$345

Find flight deals from Dulles Intl to Grand Cayman

Keep the following information in mind while searching for Dulles Intl to Grand Cayman flight deals. Data was last updated July 11, 2026.

Round-trip from

$321
(American Airlines)

One-way from

$116
(American Airlines)

Popular in

October

Cheapest in

January

Average price

$558
From Washington, D.C. Dulles Intl to Grand Cayman
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Grand Cayman
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Grand Cayman 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 July 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Grand Cayman that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Wed 10/28

6:00 am-3:30 pm

1 stop10h 30m

George Town Owen Roberts Intl

Tue 11/3

5:45 pm-11:25 am

1 stop17h 40m

$411

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Sat 12/12

6:20 am-1:45 pm

1 stop7h 25m

George Town Owen Roberts Intl

Sat 12/19

2:50 pm-12:14 am

1 stop9h 24m

$479

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Sat 11/7

12:52 pm-4:35 pm

Nonstop3h 43m

George Town Owen Roberts Intl

Wed 11/11

5:45 pm-11:25 am

1 stop17h 40m

$492
Quickest round-trip

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Sat 11/28

12:52 pm-4:35 pm

Nonstop3h 43m

George Town Owen Roberts Intl

Sat 12/5

5:30 pm-8:49 pm

Nonstop3h 19m

$517

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Tue 10/27

10:29 pm-3:30 pm

1 stop18h 01m

George Town Owen Roberts Intl

Sat 10/31

4:10 pm-8:29 pm

Nonstop3h 19m

$539

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Mon 8/3

6:00 am-11:39 am

1 stop6h 39m

George Town Owen Roberts Intl

Tue 8/4

1:04 pm-12:34 am

1 stop10h 30m

$548

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Tue 11/10

8:34 am-4:30 pm

1 stop7h 56m

George Town Owen Roberts Intl

Sun 11/15

5:45 pm-10:43 pm

1 stop28h 58m

$570

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Fri 1/1

12:54 pm-4:35 pm

Nonstop3h 41m

George Town Owen Roberts Intl

Sun 1/10

2:50 pm-12:14 am

1 stop9h 24m

$582

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Wed 12/16

10:10 pm-1:42 pm

1 stop15h 32m

George Town Owen Roberts Intl

Mon 12/21

2:25 pm-11:00 pm

1 stop8h 35m

$617
Cheapest one-way

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Tue 8/25

6:10 am-1:10 pm

2 stops8h 00m

$116

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Dulles Intl to Grand Cayman

Have a flexible travel schedule? Discover the best time to fly to Grand Cayman 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 Grand Cayman

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Grand Cayman?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Grand Cayman (average of $247). Flying from Washington, D.C. Dulles Intl Airport to Grand Cayman in September is currently the most expensive (average of $500). 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 LAW?

Find hourly flight availability from Dulles Intl to Grand Cayman. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 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 Grand Cayman as you normally would.

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Grand Cayman?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Grand Cayman, you should look to book at least 12 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Grand Cayman

Get insights into the airlines that provide service to Grand Cayman. 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 Grand Cayman. Reviews last updated July 11, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Grand Cayman, such as United Airlines and American 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
7.4
Good
9,976 reviews

Entertainment

7.1

Food

6.7

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,976 reviews
United Airlines
7.4
Good
9,976 reviews

Entertainment

7.1

Food

6.7

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.1
Good
11,806 reviews
United Airlines
7.4
Good
9,976 reviews

Entertainment

7.1

Food

6.7

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Grand Cayman. 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 Grand Cayman?

    Airlines like United Airlines fly from Washington, D.C. Dulles Intl Airport to Grand Cayman in about 10h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from Washington, D.C. Dulles Intl Airport to Grand Cayman is about 1377 mi.

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to Grand Cayman is generally $609, our data shows the cheapest flight currently is $164. When looking at the most popular route, (Washington, D.C. Dulles Intl - George Town Owen Roberts Intl), you can expect to pay $423 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Grand Cayman 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 Grand Cayman?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Grand Cayman (average of $247). Flying from Washington, D.C. Dulles Intl Airport to Grand Cayman in September is currently the most expensive (average of $500). 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

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 Grand Cayman by adding a car rental and/or hotel reservation to your travel itinerary.
George Town Owen Roberts Intl Airport car rentals
George Town car rentals

Top 2 airlines flying from Dulles Intl to Grand Cayman

Discover the top 2 airlines that operate flights from Dulles Intl to Grand Cayman. 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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$296Average$512FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$314Average$598FlexibilityNo cancel feeOn-time71%

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.