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Cheap flights from California to Castletown from $415

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Castletown departing on 8/8. 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 California to Castletown

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
11:45 am - 4:50 pm
SFO
-
IOM
21h 05m
2 stops
Aer Lingus Logo
5:20 pm - 11:45 pm
IOM
-
SFO
38h 25m
2 stops
$1,358Aer Lingus
Fri, Aug 7 - Fri, Aug 14
Aer Lingus Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Aer Lingus Logo
5:20 pm - 11:45 pm
IOM
-
SFO
38h 25m
2 stops
$1,359Aer Lingus
Fri, Aug 7 - Fri, Aug 14
Aer Lingus Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Aer Lingus Logo
5:20 pm - 11:45 pm
IOM
-
SFO
38h 25m
2 stops
$1,360Aer Lingus
Fri, Aug 7 - Fri, Aug 14
Aer Lingus Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Aer Lingus Logo
12:15 pm - 3:55 pm
IOM
-
SFO
35h 40m
1 stop
$1,515Aer Lingus
Fri, Aug 7 - Fri, Aug 14
Aer Lingus Logo
10:12 am - 4:50 pm
SFO
-
IOM
22h 38m
2 stops
Aer Lingus Logo
5:20 pm - 6:00 pm
IOM
-
SFO
56h 40m
2 stops
$1,533Aer Lingus
Fri, Aug 7 - Sat, Aug 15
Aer Lingus Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Aer Lingus Logo
5:20 pm - 6:00 pm
IOM
-
SFO
56h 40m
2 stops
$1,535Aer Lingus
Fri, Aug 7 - Sat, Aug 15
Aer Lingus Logo
11:45 am - 4:50 pm
SFO
-
IOM
21h 05m
2 stops
Aer Lingus Logo
5:20 pm - 3:55 pm
IOM
-
SFO
30h 35m
1 stop
$1,547Aer Lingus
Fri, Aug 7 - Sat, Aug 15
Aer Lingus Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Aer Lingus Logo
12:15 pm - 3:55 pm
IOM
-
SFO
35h 40m
1 stop
$1,548Aer Lingus
Fri, Aug 7 - Fri, Aug 14
Aer Lingus Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Aer Lingus Logo
5:20 pm - 3:55 pm
IOM
-
SFO
30h 35m
1 stop
$1,550Aer Lingus
Fri, Aug 7 - Sat, Aug 15
Aer Lingus Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Aer Lingus Logo
12:15 pm - 3:55 pm
IOM
-
SFO
35h 40m
1 stop
$1,584Aer Lingus
Fri, Aug 7 - Fri, Aug 14

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Aer Lingus flights from California to Castletown

Our best Aer Lingus deals on California to Castletown flight tickets
Aer Lingus
Aug 7
SFO11:45 amSan Francisco
21h 05m
2 stops
IOM4:50 pmCastletown Ronaldsway
Aug 14
IOM5:20 pmCastletown Ronaldsway
38h 25m
2 stops
SFO11:45 pmSan Francisco
$1,358
Aer Lingus
Aug 7
SFO5:35 pmSan Francisco
15h 15m
1 stop
IOM4:50 pmCastletown Ronaldsway
Aug 14
IOM5:20 pmCastletown Ronaldsway
38h 25m
2 stops
SFO11:45 pmSan Francisco
$1,359
Aer Lingus
Aug 7
SFO5:35 pmSan Francisco
15h 15m
1 stop
IOM4:50 pmCastletown Ronaldsway
Aug 14
IOM5:20 pmCastletown Ronaldsway
38h 25m
2 stops
SFO11:45 pmSan Francisco
$1,360

momondo Fare Finder

 
Customize your flight search to find flights from California 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 July 6, 2026.
Use the filters below to find and compare flights from California 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

Fri 8/7

11:45 am-4:50 pm

2 stops21h 05m

Castletown Ronaldsway

Fri 8/14

5:20 pm-11:45 pm

2 stops38h 25m

$1,358

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Fri 8/14

5:20 pm-11:45 pm

2 stops38h 25m

$1,359

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Fri 8/14

5:20 pm-11:45 pm

2 stops38h 25m

$1,360

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Fri 8/14

12:15 pm-3:55 pm

1 stop35h 40m

$1,515

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

10:12 am-4:50 pm

2 stops22h 38m

Castletown Ronaldsway

Sat 8/15

5:20 pm-6:00 pm

2 stops56h 40m

$1,533

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Sat 8/15

5:20 pm-6:00 pm

2 stops56h 40m

$1,535

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

11:45 am-4:50 pm

2 stops21h 05m

Castletown Ronaldsway

Sat 8/15

5:20 pm-3:55 pm

1 stop30h 35m

$1,547

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Fri 8/14

12:15 pm-3:55 pm

1 stop35h 40m

$1,548
Quickest round-trip

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Sat 8/15

5:20 pm-3:55 pm

1 stop30h 35m

$1,550

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 8/7

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Fri 8/14

12:15 pm-3:55 pm

1 stop35h 40m

$1,584

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Castletown from

How to get the cheapest flight ticket from California 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 California to Castletown Ronaldsway?

Aer Lingus is the most popular carrier operating from California to Castletown Ronaldsway

Cheap California to Castletown flight deals and tips

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

Fastest flight time

21h 05m

Direct flights

None
The fastest flight from California to Castletown takes 21h 05m
There are no direct flights from California to Castletown. There are no popular flight routes from California to Castletown.
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Frequently asked questions about flying from California to Castletown

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

    Prices for flights from California to Castletown Ronaldsway Airport are updated daily.

  • How old do you have to be to fly from California 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 California 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
Douglas

Why use momondo?

Why should I use momondo to find a flight deal from California to Castletown?

Finding the right flight to Castletown from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Castletown quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for California to Castletown flights to just show those with flexible booking policies.

How can momondo help me find flights from California to Castletown?

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

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

Price alerts on flights to Castletown from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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