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Cheap flights from San Francisco to Castletown from $1,419

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Castletown departing on 5/25. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 am - 6:40 pm
SFO
-
IOM
26h 10m
2 stops
Multiple Airlines Logo
3:20 pm - 4:40 pm
IOM
-
SFO
33h 20m
3 stops
$1,419Multiple Airlines
Mon, May 25 - Thu, Jul 2
Multiple Airlines Logo
5:35 pm - 6:40 pm
SFO
-
IOM
17h 05m
1 stop
Multiple Airlines Logo
5:20 pm - 9:55 pm
IOM
-
SFO
36h 35m
2 stops
$1,502Multiple Airlines
Mon, May 25 - Thu, Jul 2
Multiple Airlines Logo
6:00 am - 6:40 pm
SFO
-
IOM
28h 40m
3 stops
Multiple Airlines Logo
3:20 pm - 4:40 pm
IOM
-
SFO
33h 20m
3 stops
$1,509Multiple Airlines
Mon, May 25 - Thu, Jul 2
Multiple Airlines Logo
8:30 am - 6:40 pm
SFO
-
IOM
26h 10m
2 stops
Multiple Airlines Logo
11:30 am - 11:07 pm
IOM
-
SFO
19h 37m
2 stops
$1,544Multiple Airlines
Mon, May 25 - Thu, Jul 2
Aer Lingus Logo
5:35 pm - 6:40 pm
SFO
-
IOM
17h 05m
1 stop
Aer Lingus Logo
5:20 pm - 3:50 pm
IOM
-
SFO
30h 30m
1 stop
$1,566Aer Lingus
Fri, May 22 - Thu, May 28
Aer Lingus Logo
5:35 pm - 6:40 pm
SFO
-
IOM
17h 05m
1 stop
Aer Lingus Logo
5:20 pm - 3:50 pm
IOM
-
SFO
30h 30m
1 stop
$1,567Aer Lingus
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
5:35 pm - 7:25 pm
SFO
-
IOM
41h 50m
2 stops
Multiple Airlines Logo
6:00 pm - 3:50 pm
IOM
-
SFO
29h 50m
2 stops
$1,593Multiple Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
5:35 pm - 7:25 pm
SFO
-
IOM
41h 50m
2 stops
Multiple Airlines Logo
6:00 pm - 3:50 pm
IOM
-
SFO
29h 50m
2 stops
$1,594Multiple Airlines
Fri, May 22 - Thu, May 28
Aer Lingus Logo
5:35 pm - 6:40 pm
SFO
-
IOM
17h 05m
1 stop
Aer Lingus Logo
7:10 pm - 10:06 pm
IOM
-
SFO
34h 56m
2 stops
$1,604Aer Lingus
Fri, May 22 - Thu, May 28
Aer Lingus Logo
5:35 pm - 6:40 pm
SFO
-
IOM
17h 05m
1 stop
Aer Lingus Logo
7:10 pm - 7:50 pm
IOM
-
SFO
32h 40m
2 stops
$1,605Aer Lingus
Fri, May 22 - Thu, May 28

Aer Lingus flights from San Francisco to Castletown

Our best Aer Lingus deals on San Francisco to Castletown flight tickets
Aer Lingus
May 22
SFO1:35 pmSan Francisco
21h 05m
2 stops
IOM6:40 pmCastletown Ronaldsway
May 28
IOM7:10 pmCastletown Ronaldsway
28h 40m
1 stop
SFO3:50 pmSan Francisco
$1,529
Aer Lingus
May 22
SFO5:35 pmSan Francisco
17h 05m
1 stop
IOM6:40 pmCastletown Ronaldsway
May 28
IOM5:20 pmCastletown Ronaldsway
30h 30m
1 stop
SFO3:50 pmSan Francisco
$1,530
Aer Lingus
May 22
SFO5:35 pmSan Francisco
17h 05m
1 stop
IOM6:40 pmCastletown Ronaldsway
May 28
IOM5:20 pmCastletown Ronaldsway
30h 30m
1 stop
SFO3:50 pmSan Francisco
$1,566

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco 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 March 30, 2026.
Use the filters below to find and compare flights from San Francisco 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

Mon 5/25

8:30 am-6:40 pm

2 stops26h 10m

Castletown Ronaldsway

Thu 7/2

3:20 pm-4:40 pm

3 stops33h 20m

$1,419

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Mon 5/25

5:35 pm-6:40 pm

1 stop17h 05m

Castletown Ronaldsway

Thu 7/2

5:20 pm-9:55 pm

2 stops36h 35m

$1,502

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Mon 5/25

6:00 am-6:40 pm

3 stops28h 40m

Castletown Ronaldsway

Thu 7/2

3:20 pm-4:40 pm

3 stops33h 20m

$1,509
Quickest round-trip

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Mon 5/25

8:30 am-6:40 pm

2 stops26h 10m

Castletown Ronaldsway

Thu 7/2

11:30 am-11:07 pm

2 stops19h 37m

$1,544

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:35 pm-6:40 pm

1 stop17h 05m

Castletown Ronaldsway

Thu 5/28

5:20 pm-3:50 pm

1 stop30h 30m

$1,566

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:35 pm-6:40 pm

1 stop17h 05m

Castletown Ronaldsway

Thu 5/28

5:20 pm-3:50 pm

1 stop30h 30m

$1,567

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:35 pm-7:25 pm

2 stops41h 50m

Castletown Ronaldsway

Thu 5/28

6:00 pm-3:50 pm

2 stops29h 50m

$1,593

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:35 pm-7:25 pm

2 stops41h 50m

Castletown Ronaldsway

Thu 5/28

6:00 pm-3:50 pm

2 stops29h 50m

$1,594

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:35 pm-6:40 pm

1 stop17h 05m

Castletown Ronaldsway

Thu 5/28

7:10 pm-10:06 pm

2 stops34h 56m

$1,604

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Fri 5/22

5:35 pm-6:40 pm

1 stop17h 05m

Castletown Ronaldsway

Thu 5/28

7:10 pm-7:50 pm

2 stops32h 40m

$1,605

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from San Francisco to Castletown

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Castletown according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Castletown (SFO to IOM) flight deals and tips

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

Fastest flight time

17h 05m

Direct flights

None
The fastest flight from San Francisco to Castletown takes 17h 05m
There are no direct flights from San Francisco to Castletown. There are no popular flight routes from San Francisco to Castletown.
Search flight deals

  • How far is San Francisco to Castletown Ronaldsway by plane?

    There are 5090.6 mi between San Francisco and Castletown Ronaldsway. In terms of flight time, this usually takes a little over 17h 05m.

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

    Prices for flights from San Francisco Airport to Castletown Ronaldsway Airport are refreshed on a daily basis.

  • How old do you have to be to fly from San Francisco Airport 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 San Francisco Airport to Castletown Ronaldsway Airport.

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

    The travel and health documents required for your trip to Castletown Ronaldsway Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castletown Ronaldsway Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

    Search flight deals from San Francisco to Castletown. While viewing offers you’ll have the option to create a Price Alert.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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 San Francisco to Castletown?

It is quick and easy to find San Francisco 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 San Francisco to Castletown with flexible booking policies on momondo?

All flight searches from San Francisco to Castletown on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco to Castletown?

Once you have performed a search for San Francisco to Castletown flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Castletown from San Francisco 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