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Cheap flights from Washington, D.C. to Castletown from $1,569

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Castletown departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington, D.C. to Castletown

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:35 pm - 4:20 pm
BWI
-
IOM
14h 45m
1 stop
British Airways Logo
7:05 am - 6:45 pm
IOM
-
BWI
16h 40m
2 stops
$1,569British Airways
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
8:35 pm - 6:05 pm
BWI
-
IOM
16h 30m
2 stops
British Airways Logo
7:05 am - 6:45 pm
IOM
-
BWI
16h 40m
2 stops
$1,584British Airways
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
8:35 pm - 4:20 pm
BWI
-
IOM
14h 45m
1 stop
British Airways Logo
12:05 pm - 6:45 pm
IOM
-
BWI
11h 40m
1 stop
$1,588British Airways
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
8:35 pm - 4:20 pm
BWI
-
IOM
14h 45m
1 stop
British Airways Logo
12:05 pm - 6:45 pm
IOM
-
BWI
11h 40m
1 stop
$1,590British Airways
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
8:35 pm - 6:05 pm
BWI
-
IOM
16h 30m
2 stops
British Airways Logo
12:05 pm - 6:45 pm
IOM
-
BWI
11h 40m
1 stop
$1,603British Airways
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
8:35 pm - 6:05 pm
BWI
-
IOM
16h 30m
2 stops
British Airways Logo
12:05 pm - 6:45 pm
IOM
-
BWI
11h 40m
1 stop
$1,606British Airways
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
8:35 pm - 6:05 pm
BWI
-
IOM
16h 30m
2 stops
British Airways Logo
7:05 am - 6:45 pm
IOM
-
BWI
16h 40m
2 stops
$1,639British Airways
Sun, Mar 1 - Thu, Mar 5
British Airways Logo
8:35 pm - 6:05 pm
BWI
-
IOM
16h 30m
2 stops
British Airways Logo
3:05 pm - 6:45 pm
IOM
-
BWI
32h 40m
2 stops
$1,641British Airways
Sun, Mar 1 - Thu, Mar 5

British Airways flights from Washington, D.C. to Castletown

Our best British Airways deals on Washington, D.C. to Castletown flight tickets
British Airways
Mar 1
BWI8:35 pmBaltimore/Washington
14h 45m
1 stop
IOM4:20 pmCastletown Ronaldsway
Mar 5
IOM7:05 amCastletown Ronaldsway
16h 40m
2 stops
BWI6:45 pmBaltimore/Washington
$1,569
British Airways
Mar 1
BWI8:35 pmBaltimore/Washington
16h 30m
2 stops
IOM6:05 pmCastletown Ronaldsway
Mar 5
IOM7:05 amCastletown Ronaldsway
16h 40m
2 stops
BWI6:45 pmBaltimore/Washington
$1,584
British Airways
Mar 1
BWI8:35 pmBaltimore/Washington
14h 45m
1 stop
IOM4:20 pmCastletown Ronaldsway
Mar 5
IOM12:05 pmCastletown Ronaldsway
11h 40m
1 stop
BWI6:45 pmBaltimore/Washington
$1,588

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Castletown 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, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Castletown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 3/1

8:35 pm-4:20 pm

1 stop14h 45m

Castletown Ronaldsway

Thu 3/5

7:05 am-6:45 pm

2 stops16h 40m

$1,569

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 3/1

8:35 pm-6:05 pm

2 stops16h 30m

Castletown Ronaldsway

Thu 3/5

7:05 am-6:45 pm

2 stops16h 40m

$1,584

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 3/1

8:35 pm-4:20 pm

1 stop14h 45m

Castletown Ronaldsway

Thu 3/5

12:05 pm-6:45 pm

1 stop11h 40m

$1,588

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 3/1

8:35 pm-4:20 pm

1 stop14h 45m

Castletown Ronaldsway

Thu 3/5

12:05 pm-6:45 pm

1 stop11h 40m

$1,590

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 3/1

8:35 pm-6:05 pm

2 stops16h 30m

Castletown Ronaldsway

Thu 3/5

12:05 pm-6:45 pm

1 stop11h 40m

$1,603

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 3/1

8:35 pm-6:05 pm

2 stops16h 30m

Castletown Ronaldsway

Thu 3/5

12:05 pm-6:45 pm

1 stop11h 40m

$1,606

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 3/1

8:35 pm-6:05 pm

2 stops16h 30m

Castletown Ronaldsway

Thu 3/5

7:05 am-6:45 pm

2 stops16h 40m

$1,639

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 3/1

8:35 pm-6:05 pm

2 stops16h 30m

Castletown Ronaldsway

Thu 3/5

3:05 pm-6:45 pm

2 stops32h 40m

$1,641

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. to Castletown

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Castletown according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Castletown (WAS to IOM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Castletown

Fastest flight time

14h 45m

Direct flights

None
The fastest flight from Washington, D.C. to Castletown takes 14h 45m
There are no direct flights from Washington, D.C. to Castletown. There are no popular flight routes from Washington, D.C. to Castletown.
Search flight deals

  • How far is Washington, D.C. to Castletown Ronaldsway by plane?

    Washington, D.C. and Castletown Ronaldsway are 3431.6 mi apart from one another. Flights usually cover this in 14h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. to Castletown Ronaldsway Airport?

    Prices for flights from Washington, D.C. to Castletown Ronaldsway Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. to Castletown Ronaldsway Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Castletown Ronaldsway Airport.

  • What documentation or ID do you need to fly to Castletown Ronaldsway Airport?

    The travel and health documents you'll need for your trip to Castletown Ronaldsway Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Castletown Ronaldsway Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Washington, D.C. to Castletown?

    Price Alerts will notify you by email when the price for flights to Castletown from Washington, D.C. decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Washington, D.C. to Castletown with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Castletown?

Book flights to Castletown if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Castletown?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Castletown from Washington, D.C..

Can I find flights from Washington, D.C. to Castletown with flexible booking policies on momondo?

momondo does allow users to show only those flights to Castletown from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Castletown?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Castletown.

I’m not ready to book a flight from Washington, D.C. to Castletown right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Castletown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Castletown and let you know when they change.

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Cabin classes currently available on flights to Castletown

List of cabin classes available on flights landing in Castletown. Availability may vary depending on flight origin and airline.
First Class to Castletown
Business Class to Castletown