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Cheap flights from Washington, D.C. to Castletown from $908

This is the cheapest one-way 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 6/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
8:30 pm - 4:45 pm
BWI
-
IOM
15h 15m
2 stops
Multiple Airlines Logo
11:35 am - 10:15 pm
IOM
-
BWI
15h 40m
2 stops
$1,168Multiple Airlines
Thu, Sep 3 - Sun, Sep 13
Multiple Airlines Logo
8:30 pm - 4:45 pm
BWI
-
IOM
15h 15m
2 stops
Multiple Airlines Logo
1:10 pm - 7:45 pm
IOM
-
BWI
11h 35m
1 stop
$1,488Multiple Airlines
Thu, Sep 3 - Sun, Sep 13
Multiple Airlines Logo
8:30 pm - 4:45 pm
BWI
-
IOM
15h 15m
2 stops
Multiple Airlines Logo
1:10 pm - 7:45 pm
IOM
-
BWI
11h 35m
1 stop
$1,502Multiple Airlines
Thu, Sep 3 - Sun, Sep 13
British Airways Logo
9:30 pm - 5:30 pm
BWI
-
IOM
15h 00m
2 stops
British Airways Logo
3:20 pm - 7:40 pm
IOM
-
BWI
33h 20m
2 stops
$1,550British Airways
Mon, Sep 7 - Thu, Sep 10
British Airways Logo
9:30 pm - 5:30 pm
BWI
-
IOM
15h 00m
2 stops
British Airways Logo
3:20 pm - 7:40 pm
IOM
-
BWI
33h 20m
2 stops
$1,552British Airways
Mon, Sep 7 - Thu, Sep 10
British Airways Logo
9:30 pm - 3:25 pm
BWI
-
IOM
12h 55m
1 stop
British Airways Logo
1:10 pm - 7:45 pm
IOM
-
BWI
11h 35m
1 stop
$1,583British Airways
Thu, Sep 3 - Sun, Sep 13
Multiple Airlines Logo
8:30 pm - 4:50 pm
BWI
-
IOM
15h 20m
2 stops
Multiple Airlines Logo
3:35 pm - 10:15 pm
IOM
-
BWI
35h 40m
3 stops
$1,591Multiple Airlines
Mon, Jun 1 - Wed, Jun 10
British Airways Logo
9:30 pm - 3:25 pm
BWI
-
IOM
12h 55m
1 stop
British Airways Logo
1:10 pm - 7:45 pm
IOM
-
BWI
11h 35m
1 stop
$1,626British Airways
Thu, Sep 3 - Sun, Sep 13
Multiple Airlines Logo
9:30 pm - 6:40 pm
BWI
-
IOM
16h 10m
2 stops
Multiple Airlines Logo
11:35 am - 7:40 pm
IOM
-
BWI
13h 05m
1 stop
$1,636Multiple Airlines
Mon, Jun 1 - Wed, Jun 10
Multiple Airlines Logo
9:30 pm - 6:40 pm
BWI
-
IOM
16h 10m
2 stops
Multiple Airlines Logo
9:30 am - 7:40 pm
IOM
-
BWI
15h 10m
2 stops
$1,652Multiple Airlines
Mon, Jun 1 - Wed, Jun 10

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

Our best British Airways deals on Washington, D.C. to Castletown flight tickets
British Airways
Sep 7
BWI9:30 pmBaltimore/Washington
15h 00m
2 stops
IOM5:30 pmCastletown Ronaldsway
Sep 10
IOM3:20 pmCastletown Ronaldsway
33h 20m
2 stops
BWI7:40 pmBaltimore/Washington
$1,550
British Airways
Sep 7
BWI9:30 pmBaltimore/Washington
15h 00m
2 stops
IOM5:30 pmCastletown Ronaldsway
Sep 10
IOM3:20 pmCastletown Ronaldsway
33h 20m
2 stops
BWI7:40 pmBaltimore/Washington
$1,552
British Airways
Sep 3
BWI9:30 pmBaltimore/Washington
12h 55m
1 stop
IOM3:25 pmCastletown Ronaldsway
Sep 13
IOM1:10 pmCastletown Ronaldsway
11h 35m
1 stop
BWI7:45 pmBaltimore/Washington
$1,583

Aer Lingus flights from Washington, D.C. to Castletown

Our best Aer Lingus deals on Washington, D.C. to Castletown flight tickets
Aer Lingus
May 30
BWI9:30 pmBaltimore/Washington
16h 10m
2 stops
IOM6:40 pmCastletown Ronaldsway
Jun 8
IOM5:20 pmCastletown Ronaldsway
31h 20m
2 stops
BWI7:40 pmBaltimore/Washington
$1,942
Aer Lingus
May 7
BWI9:30 pmBaltimore/Washington
14h 20m
2 stops
IOM4:50 pmCastletown Ronaldsway
May 9
IOM5:20 pmCastletown Ronaldsway
31h 25m
2 stops
BWI7:45 pmBaltimore/Washington
$3,467

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 May 6, 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

Cheapest round-trip

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Thu 9/3

8:30 pm-4:45 pm

2 stops15h 15m

Castletown Ronaldsway

Sun 9/13

11:35 am-10:15 pm

2 stops15h 40m

$1,168

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Thu 9/3

8:30 pm-4:45 pm

2 stops15h 15m

Castletown Ronaldsway

Sun 9/13

1:10 pm-7:45 pm

1 stop11h 35m

$1,488

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Thu 9/3

8:30 pm-4:45 pm

2 stops15h 15m

Castletown Ronaldsway

Sun 9/13

1:10 pm-7:45 pm

1 stop11h 35m

$1,502

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Mon 9/7

9:30 pm-5:30 pm

2 stops15h 00m

Castletown Ronaldsway

Thu 9/10

3:20 pm-7:40 pm

2 stops33h 20m

$1,550

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Mon 9/7

9:30 pm-5:30 pm

2 stops15h 00m

Castletown Ronaldsway

Thu 9/10

3:20 pm-7:40 pm

2 stops33h 20m

$1,552
Quickest round-trip

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Thu 9/3

9:30 pm-3:25 pm

1 stop12h 55m

Castletown Ronaldsway

Sun 9/13

1:10 pm-7:45 pm

1 stop11h 35m

$1,583

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Mon 6/1

8:30 pm-4:50 pm

2 stops15h 20m

Castletown Ronaldsway

Wed 6/10

3:35 pm-10:15 pm

3 stops35h 40m

$1,591

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Thu 9/3

9:30 pm-3:25 pm

1 stop12h 55m

Castletown Ronaldsway

Sun 9/13

1:10 pm-7:45 pm

1 stop11h 35m

$1,626

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Mon 6/1

9:30 pm-6:40 pm

2 stops16h 10m

Castletown Ronaldsway

Wed 6/10

11:35 am-7:40 pm

1 stop13h 05m

$1,636

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Mon 6/1

9:30 pm-6:40 pm

2 stops16h 10m

Castletown Ronaldsway

Wed 6/10

9:30 am-7:40 pm

2 stops15h 10m

$1,652

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Castletown from

How to get the cheapest flight ticket from Washington, D.C. to Castletown

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. to Castletown Ronaldsway?

British Airways is the most popular carrier operating from Washington, D.C. to Castletown Ronaldsway

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

13h 40m

Direct flights

None
The fastest flight from Washington, D.C. to Castletown takes 13h 40m
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

Frequently asked questions about flying from Washington, D.C. to Castletown

  • 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 13h 40m, 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.

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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Find better results for your trip to the Isle of Man

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