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Cheap flights from the United States to Castletown from $789

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Castletown departing on 9/4. 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
1 adult, Economy, 0 bags

Find the cheapest flights from the United States to Castletown

Recent round-trip flight deals from the United States to Castletown

Enter your travel dates to find the best prices.
Aer Lingus Logo
5:40 pm - 4:50 pm
SFO
-
IOM
15h 10m
1 stop
Aer Lingus Logo
12:15 pm - 3:55 pm
IOM
-
SFO
35h 40m
1 stop
$939Aer Lingus
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
12:27 pm - 4:50 pm
SFO
-
IOM
20h 23m
2 stops
Multiple Airlines Logo
5:20 pm - 3:55 pm
IOM
-
SFO
30h 35m
1 stop
$1,061Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Aer Lingus Logo
5:40 pm - 4:50 pm
SFO
-
IOM
15h 10m
1 stop
Aer Lingus Logo
5:20 pm - 3:55 pm
IOM
-
SFO
30h 35m
1 stop
$1,156Aer Lingus
Sun, Aug 2 - Sat, Aug 15
Multiple Airlines Logo
11:40 am - 4:50 pm
SFO
-
IOM
21h 10m
2 stops
Multiple Airlines Logo
5:20 pm - 12:40 pm
IOM
-
SFO
27h 20m
2 stops
$1,177Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
5:40 pm - 4:50 pm
SFO
-
IOM
15h 10m
1 stop
Multiple Airlines Logo
5:20 pm - 7:13 pm
IOM
-
SFO
33h 53m
2 stops
$1,217Multiple Airlines
Sun, Aug 2 - Sat, Aug 15
Multiple Airlines Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Multiple Airlines Logo
5:15 pm - 1:50 pm
IOM
-
SFO
28h 35m
2 stops
$1,225Multiple Airlines
Fri, Aug 7 - Fri, Aug 14
Aer Lingus Logo
11:45 am - 4:50 pm
SFO
-
IOM
21h 05m
2 stops
Aer Lingus Logo
12:15 pm - 10:20 pm
IOM
-
SFO
18h 05m
2 stops
$1,346Aer Lingus
Fri, Aug 7 - Fri, Aug 14
British Airways Logo
8:35 pm - 3:30 pm
BWI
-
IOM
13h 55m
1 stop
British Airways Logo
7:05 am - 6:45 pm
IOM
-
BWI
16h 40m
2 stops
$1,510British Airways
Sun, Nov 8 - Thu, Nov 12
British Airways Logo
8:35 pm - 3:30 pm
BWI
-
IOM
13h 55m
1 stop
British Airways Logo
7:05 am - 6:45 pm
IOM
-
BWI
16h 40m
2 stops
$1,511British Airways
Sun, Nov 8 - Thu, Nov 12
British Airways Logo
8:35 pm - 1:25 pm
BWI
-
IOM
35h 50m
2 stops
British Airways Logo
7:05 am - 6:45 pm
IOM
-
BWI
16h 40m
2 stops
$1,565British Airways
Sun, Nov 8 - Thu, Nov 12

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British Airways flights from United States to Castletown

Our best British Airways deals on United States to Castletown flight tickets
British Airways
Nov 8
BWI8:35 pmBaltimore/Washington
13h 55m
1 stop
IOM3:30 pmCastletown Ronaldsway
Nov 12
IOM7:05 amCastletown Ronaldsway
16h 40m
2 stops
BWI6:45 pmBaltimore/Washington
$1,510
British Airways
Nov 8
BWI8:35 pmBaltimore/Washington
13h 55m
1 stop
IOM3:30 pmCastletown Ronaldsway
Nov 12
IOM7:05 amCastletown Ronaldsway
16h 40m
2 stops
BWI6:45 pmBaltimore/Washington
$1,511
British Airways
Nov 8
BWI8:35 pmBaltimore/Washington
35h 50m
2 stops
IOM1:25 pmCastletown Ronaldsway
Nov 12
IOM7:05 amCastletown Ronaldsway
16h 40m
2 stops
BWI6:45 pmBaltimore/Washington
$1,565

Aer Lingus flights from United States to Castletown

Our best Aer Lingus deals on United States to Castletown flight tickets
Aer Lingus
Aug 11
SFO5:40 pmSan Francisco
15h 10m
1 stop
IOM4:50 pmCastletown Ronaldsway
Aug 18
IOM12:15 pmCastletown Ronaldsway
35h 40m
1 stop
SFO3:55 pmSan Francisco
$939
Aer Lingus
Aug 2
SFO5:40 pmSan Francisco
15h 10m
1 stop
IOM4:50 pmCastletown Ronaldsway
Aug 15
IOM5:20 pmCastletown Ronaldsway
30h 35m
1 stop
SFO3:55 pmSan Francisco
$1,156
Aer Lingus
Jul 2
JFK9:05 pmNew York John F Kennedy Intl
14h 45m
1 stop
IOM4:50 pmCastletown Ronaldsway
Jul 6
IOM5:20 pmCastletown Ronaldsway
10h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$1,180

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 June 29, 2026.
Use the filters below to find and compare flights from the United States to Castletown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Tue 8/11

5:40 pm-4:50 pm

1 stop15h 10m

Castletown Ronaldsway

Tue 8/18

12:15 pm-3:55 pm

1 stop35h 40m

$939

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Tue 8/11

12:27 pm-4:50 pm

2 stops20h 23m

Castletown Ronaldsway

Tue 8/18

5:20 pm-3:55 pm

1 stop30h 35m

$1,061

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Sun 8/2

5:40 pm-4:50 pm

1 stop15h 10m

Castletown Ronaldsway

Sat 8/15

5:20 pm-3:55 pm

1 stop30h 35m

$1,156

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Tue 8/11

11:40 am-4:50 pm

2 stops21h 10m

Castletown Ronaldsway

Tue 8/18

5:20 pm-12:40 pm

2 stops27h 20m

$1,177

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Sun 8/2

5:40 pm-4:50 pm

1 stop15h 10m

Castletown Ronaldsway

Sat 8/15

5:20 pm-7:13 pm

2 stops33h 53m

$1,217

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Fri 8/14

5:15 pm-1:50 pm

2 stops28h 35m

$1,225

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

11:45 am-4:50 pm

2 stops21h 05m

Castletown Ronaldsway

Fri 8/14

12:15 pm-10:20 pm

2 stops18h 05m

$1,346
Quickest round-trip

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 11/8

8:35 pm-3:30 pm

1 stop13h 55m

Castletown Ronaldsway

Thu 11/12

7:05 am-6:45 pm

2 stops16h 40m

$1,510

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 11/8

8:35 pm-3:30 pm

1 stop13h 55m

Castletown Ronaldsway

Thu 11/12

7:05 am-6:45 pm

2 stops16h 40m

$1,511

BaltimoreCastletown

BWI - IOM

BWIIOM

Baltimore/Washington

Sun 11/8

8:35 pm-1:25 pm

2 stops35h 50m

Castletown Ronaldsway

Thu 11/12

7:05 am-6:45 pm

2 stops16h 40m

$1,565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Castletown from

How to get the cheapest flight ticket from United States 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 United States to Castletown Ronaldsway?

British Airways is the most popular carrier operating from United States to Castletown Ronaldsway

Cheap United States to Castletown flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Castletown

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from United States to Castletown takes 11h 55m
There are no direct flights from United States to Castletown. There are no popular flight routes from United States to Castletown.
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Frequently asked questions about flying from the United States to Castletown

  • When did momondo last update prices for flights from United States to Castletown Ronaldsway Airport?

    Prices for flights from United States to Castletown Ronaldsway Airport were last updated today.

  • How old do you have to be to fly from United States to Castletown Ronaldsway Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Castletown Ronaldsway Airport.

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

    The necessary travel and health documents for your Castletown Ronaldsway Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 United States to Castletown?

It is quick and easy to find United States to Castletown flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Castletown that suits you.

Can I find flights from United States to Castletown with flexible booking policies on momondo?

Flights from United States to Castletown with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United States to Castletown?

momondo provides multiple filters to help you find the best flight to Castletown from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from United States to Castletown right now. Can momondo alert me if prices change?

Yes. momondo can track prices for United States to Castletown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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