Latest deals
FAQs
Reviews
Price Alerts

Cheap flights from California to Castletown from $1,136

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from California to Castletown departing on 5/22. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to Castletown

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 am - 4:50 pm
SFO
-
IOM
25h 40m2 stops
Multiple Airlines Logo
12:15 pm - 5:29 pm
IOM
-
SFO
37h 14m2 stops
$1,136Multiple Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
1:25 pm - 4:50 pm
SFO
-
IOM
19h 25m2 stops
Multiple Airlines Logo
10:20 am - 1:35 pm
IOM
-
SFO
35h 15m3 stops
$1,235Multiple Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
5:45 pm - 7:25 pm
SFO
-
IOM
41h 40m2 stops
Multiple Airlines Logo
6:00 pm - 3:45 pm
IOM
-
SFO
29h 45m2 stops
$1,293Multiple Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
5:45 pm - 7:25 pm
SFO
-
IOM
41h 40m2 stops
Multiple Airlines Logo
5:20 pm - 3:45 pm
IOM
-
SFO
30h 25m1 stop
$1,356Multiple Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
5:45 pm - 4:50 pm
SFO
-
IOM
15h 05m1 stop
Multiple Airlines Logo
12:15 pm - 12:54 am
IOM
-
SFO
20h 39m2 stops
$1,366Multiple Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
5:45 pm - 7:25 pm
SFO
-
IOM
41h 40m2 stops
Multiple Airlines Logo
7:05 am - 3:45 pm
IOM
-
SFO
40h 40m3 stops
$1,376Multiple Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
12:50 pm - 4:50 pm
SFO
-
IOM
20h 00m3 stops
Multiple Airlines Logo
10:20 am - 1:35 pm
IOM
-
SFO
35h 15m3 stops
$1,407Multiple Airlines
Fri, May 22 - Thu, May 28
Aer Lingus Logo
6:36 am - 4:50 pm
SFO
-
IOM
26h 14m2 stops
Aer Lingus Logo
12:15 pm - 11:23 pm
IOM
-
SFO
19h 08m2 stops
$1,446Aer Lingus
Fri, May 22 - Thu, May 28
Aer Lingus Logo
9:31 am - 4:50 pm
SFO
-
IOM
23h 19m2 stops
Aer Lingus Logo
12:15 pm - 3:45 pm
IOM
-
SFO
35h 30m1 stop
$1,447Aer Lingus
Fri, May 22 - Thu, May 28
British Airways Logo
5:30 pm - 6:05 pm
SFO
-
IOM
16h 35m2 stops
British Airways Logo
12:05 pm - 3:00 pm
IOM
-
SFO
34h 55m1 stop
$1,459British Airways
Sun, Jan 25 - Wed, Jan 28

Aer Lingus flights from California to Castletown

Our best Aer Lingus deals on California to Castletown flight tickets
Aer Lingus
May 22
SFO5:45 pmSan Francisco
15h 05m
1 stop
IOM4:50 pmCastletown Ronaldsway
May 28
IOM12:15 pmCastletown Ronaldsway
35h 30m
1 stop
SFO3:45 pmSan Francisco
$1,366
Find similar
Aer Lingus
May 22
SFO6:36 amSan Francisco
26h 14m
2 stops
IOM4:50 pmCastletown Ronaldsway
May 28
IOM12:15 pmCastletown Ronaldsway
19h 08m
2 stops
SFO11:23 pmSan Francisco
$1,446
Find similar
Aer Lingus
May 22
SFO9:31 amSan Francisco
23h 19m
2 stops
IOM4:50 pmCastletown Ronaldsway
May 28
IOM12:15 pmCastletown Ronaldsway
35h 30m
1 stop
SFO3:45 pmSan Francisco
$1,447
Find similar

British Airways flights from California to Castletown

Our best British Airways deals on California to Castletown flight tickets
British Airways
Jan 25
SFO5:30 pmSan Francisco
16h 35m
2 stops
IOM6:05 pmCastletown Ronaldsway
Jan 28
IOM12:05 pmCastletown Ronaldsway
34h 55m
1 stop
SFO3:00 pmSan Francisco
$1,459
Find similar
British Airways
Jan 25
SFO5:30 pmSan Francisco
16h 35m
2 stops
IOM6:05 pmCastletown Ronaldsway
Jan 28
IOM12:05 pmCastletown Ronaldsway
38h 39m
2 stops
SFO6:44 pmSan Francisco
$1,469
Find similar
British Airways
Jan 25
SFO5:30 pmSan Francisco
14h 50m
1 stop
IOM4:20 pmCastletown Ronaldsway
Jan 28
IOM12:05 pmCastletown Ronaldsway
14h 40m
1 stop
SFO6:45 pmSan Francisco
$1,739
Find similar

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 December 18, 2025.
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

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

7:10 am-4:50 pm

2 stops25h 40m

Castletown Ronaldsway

Thu 5/28

12:15 pm-5:29 pm

2 stops37h 14m

$1,136

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

1:25 pm-4:50 pm

2 stops19h 25m

Castletown Ronaldsway

Thu 5/28

10:20 am-1:35 pm

3 stops35h 15m

$1,235

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:45 pm-7:25 pm

2 stops41h 40m

Castletown Ronaldsway

Thu 5/28

6:00 pm-3:45 pm

2 stops29h 45m

$1,293

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:45 pm-7:25 pm

2 stops41h 40m

Castletown Ronaldsway

Thu 5/28

5:20 pm-3:45 pm

1 stop30h 25m

$1,356

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:45 pm-4:50 pm

1 stop15h 05m

Castletown Ronaldsway

Thu 5/28

12:15 pm-12:54 am

2 stops20h 39m

$1,366

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:45 pm-7:25 pm

2 stops41h 40m

Castletown Ronaldsway

Thu 5/28

7:05 am-3:45 pm

3 stops40h 40m

$1,376

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

12:50 pm-4:50 pm

3 stops20h 00m

Castletown Ronaldsway

Thu 5/28

10:20 am-1:35 pm

3 stops35h 15m

$1,407

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

6:36 am-4:50 pm

2 stops26h 14m

Castletown Ronaldsway

Thu 5/28

12:15 pm-11:23 pm

2 stops19h 08m

$1,446

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

9:31 am-4:50 pm

2 stops23h 19m

Castletown Ronaldsway

Thu 5/28

12:15 pm-3:45 pm

1 stop35h 30m

$1,447

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Sun 1/25

5:30 pm-6:05 pm

2 stops16h 35m

Castletown Ronaldsway

Wed 1/28

12:05 pm-3:00 pm

1 stop34h 55m

$1,459

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

16h 35m

Direct flights

None
The fastest flight from California to Castletown takes 16h 35m
There are no direct flights from California to Castletown. There are no popular flight routes from California to Castletown.
Search flight deals

  • 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.

Best airlines flying from California to Castletown

Compare and see reviews for airlines that fly from California to Castletown with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $943Free CancellationRating
7.2
1,399 reviews
Search Aer Lingus flights

  • How do I get Price Alerts for flights from California to Castletown?

    Price Alerts will notify you by email when the price for flights to Castletown from California decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from California to Castletown with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

An easier way to manage your Castletown trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/17
Sat 1/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the Isle of Man

Fly your favorite airline to Castletown

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Aer Lingus