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$355+ Cheap flights from Washington, D.C. (WAS) to Castletown (IOM)

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — IOM
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Castletown

Cheapest flights from Washington, D.C. to Castletown
Explore the most affordable flight options available from Washington, D.C. to Castletown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Mytrip deal was found by Cheapflights users on 2/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:09 am
BWI
-
IOM
2 stops25h 06m
Multiple Airlines
Thu 4/210:20 am
IOM
-
BWI
2 stops18h 39m
Multiple Airlines
Deal found 2/9$1,315
This Ovago deal was found by Cheapflights users on 2/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:35 pm
BWI
-
IOM
1 stop14h 35m
Multiple Airlines
Wed 4/15:20 pm
IOM
-
BWI
2 stops31h 20m
Multiple Airlines
Deal found 2/8$1,340
This oojo deal was found by Cheapflights users on 2/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:30 pm
BWI
-
IOM
2 stops16h 10m
Aer Lingus
Mon 6/87:10 pm
IOM
-
BWI
2 stops29h 30m
Aer Lingus
Deal found 2/11$1,456
This British Airways deal was found by Cheapflights users on 2/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:35 pm
BWI
-
IOM
1 stop14h 45m
British Airways
Thu 3/512:05 pm
IOM
-
BWI
1 stop11h 40m
British Airways
Deal found 2/8$1,472

Find flight deals from Washington, D.C. to Castletown

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Castletown (IOM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,315
(Mytrip)

One-way from

$355
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Castletown Ronaldsway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Castletown Ronaldsway flights.
Search Deals
From Washington, D.C. (WAS) to Castletown Ronaldsway
Search Deals
One-way flight from Washington, D.C. (WAS) to Castletown Ronaldsway
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Castletown that are best for you.

Fly from

Washington, D.C.

Fly to

Castletown

Route

Depart

Return

Price

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Thu 3/26

10:09 am-3:15 pm

2 stops25h 06m

Castletown Ronaldsway

Thu 4/2

10:20 am-11:59 pm

2 stops18h 39m

$1,315

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Wed 3/25

9:35 pm-4:10 pm

1 stop14h 35m

Castletown Ronaldsway

Wed 4/1

5:20 pm-7:40 pm

2 stops31h 20m

$1,340

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sat 5/30

9:30 pm-6:40 pm

2 stops16h 10m

Castletown Ronaldsway

Mon 6/8

7:10 pm-7:40 pm

2 stops29h 30m

$1,456

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

$1,472

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 4/19

6:00 pm-9:35 am

3 stops58h 35m

$355

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 4/19

9:35 pm-8:10 pm

1 stop17h 35m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Compare providers for flights from Washington, D.C. to Castletown

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Castletown in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Castletown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Castletown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Castletown flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Castletown flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C.-Castletown 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 Washington, D.C. to Castletown

Have a flexible travel schedule? Discover the best time to fly to Castletown from Washington, D.C. 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. to Castletown
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Castletown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Castletown from Washington, D.C.?

    Located just 1.4 mi from the city center, Castletown Ronaldsway is the airport most travelers will use when flying to Castletown from Washington, D.C.. Booking flights from Washington, D.C. to Ronaldsway (IOM) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 0 different airlines.

  • Can I find deals for flights from Washington, D.C. to Castletown that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Castletown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Castletown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Castletown.

  • Can I find deals for business class flights from Washington, D.C. to Castletown?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Castletown 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

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