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Cheap flights from San Francisco to Castletown from $939

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 8/11. 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 San Francisco to Castletown

Cheap round-trip flights

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
Multiple Airlines Logo
1:20 pm - 4:50 pm
SFO
-
IOM
19h 30m
2 stops
Multiple Airlines Logo
7:05 pm - 3:55 pm
IOM
-
SFO
28h 50m
2 stops
$1,090Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
6:00 am - 4:50 pm
SFO
-
IOM
26h 50m
3 stops
Multiple Airlines Logo
7:05 pm - 3:55 pm
IOM
-
SFO
28h 50m
2 stops
$1,104Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
5:35 pm - 4:50 pm
SFO
-
IOM
15h 15m
1 stop
Multiple Airlines Logo
7:05 pm - 3:55 pm
IOM
-
SFO
28h 50m
2 stops
$1,130Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
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
Multiple Airlines Logo
11:40 am - 4:50 pm
SFO
-
IOM
21h 10m
2 stops
Multiple Airlines Logo
3:20 pm - 12:40 pm
IOM
-
SFO
29h 20m
3 stops
$1,269Multiple Airlines
Tue, Aug 11 - Tue, Aug 18

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British Airways flights from San Francisco to Castletown

Our best British Airways deals on San Francisco to Castletown flight tickets
British Airways
Sep 13
SFO4:35 pmSan Francisco
14h 55m
1 stop
IOM3:30 pmCastletown Ronaldsway
Sep 17
IOM9:55 amCastletown Ronaldsway
37h 55m
2 stops
SFO3:50 pmSan Francisco
$1,726
British Airways
Sep 13
SFO4:35 pmSan Francisco
14h 55m
1 stop
IOM3:30 pmCastletown Ronaldsway
Sep 17
IOM9:55 amCastletown Ronaldsway
37h 55m
2 stops
SFO3:50 pmSan Francisco
$1,727
British Airways
Sep 13
SFO11:38 amSan Francisco
19h 52m
2 stops
IOM3:30 pmCastletown Ronaldsway
Sep 17
IOM9:55 amCastletown Ronaldsway
37h 55m
2 stops
SFO3:50 pmSan Francisco
$1,731

Aer Lingus flights from San Francisco to Castletown

Our best Aer Lingus deals on San Francisco 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
Aug 17
SFO7:00 amSan Francisco
20h 45m
2 stops
IOM11:45 amCastletown Ronaldsway
Aug 24
IOM12:15 pmCastletown Ronaldsway
19h 07m
2 stops
SFO11:22 pmSan Francisco
$1,278

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 June 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

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

Mon 8/17

1:20 pm-4:50 pm

2 stops19h 30m

Castletown Ronaldsway

Mon 8/24

7:05 pm-3:55 pm

2 stops28h 50m

$1,090

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Mon 8/17

6:00 am-4:50 pm

3 stops26h 50m

Castletown Ronaldsway

Mon 8/24

7:05 pm-3:55 pm

2 stops28h 50m

$1,104

San FranciscoCastletown

SFO - IOM

SFOIOM

San Francisco

Mon 8/17

5:35 pm-4:50 pm

1 stop15h 15m

Castletown Ronaldsway

Mon 8/24

7:05 pm-3:55 pm

2 stops28h 50m

$1,130

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
Quickest round-trip

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

Tue 8/11

11:40 am-4:50 pm

2 stops21h 10m

Castletown Ronaldsway

Tue 8/18

3:20 pm-12:40 pm

3 stops29h 20m

$1,269

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

15h 10m

Direct flights

None
The fastest flight from San Francisco to Castletown takes 15h 10m
There are no direct flights from San Francisco to Castletown. There are no popular flight routes from San Francisco to Castletown.
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Frequently asked questions about flying from San Francisco to Castletown

  • 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 15h 10m.

  • 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.

Frequently asked questions about flying from San Francisco to Castletown

  • 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
Douglas

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