Cheap Flights from Castletown to Washington, D.C.
No deal from Castletown to Washington, D.C. has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Castletown to Washington, D.C., the lowest round-trip fare we recorded was $836, in August. The typical fare was $893. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $929 on Aer Lingus, seen Oct 28. It is an unverified observation and may have changed.
See every deal <a href="/from/castletown">from Castletown</a>, <a href="/to/washington-dc">to Washington, D.C.</a>, or the return direction <a href="/from/washington-dc/to/castletown">Washington, D.C. to Castletown</a>.
Latest price we saw: Castletown to Washington, D.C.
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Castletown (IOM) to Washington, D.C. (IAD) | $929 | 13.5¢ | Apr 22 – Apr 28 | Aer Lingus | Oct 28 | Check price |
Price history: Castletown to Washington, D.C.
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $905 | $926 | 8 |
| Sep 2026 | $842 | $863 | 2 |
| Aug 2026 | $836 | $889 | 7 |
Frequently asked questions
How many flight deals from Castletown to Washington, D.C. are on Sparkflights right now?
There are 0 verified deals from Castletown to Washington, D.C. on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Castletown to Washington, D.C.?
The lowest fare we've recorded from Castletown to Washington, D.C. is $836, based on 17 price observations over 3 months.
How much does a flight from Castletown to Washington, D.C. cost?
The typical round-trip fare we observed from Castletown to Washington, D.C. is $893, against a recorded low of $836. These are observations, not quotes.
When is the cheapest month to fly Castletown to Washington, D.C.?
August was the cheapest month we observed from Castletown to Washington, D.C. and October the dearest, over 3 months of data.
What is the current price from Castletown to Washington, D.C.?
The most recent fare our sweep saw from Castletown to Washington, D.C. is $929, on Oct 28. It is an unverified observation rather than a verified deal, so check it before booking.