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Cheap flights from Porto to Castletown from £351

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Castletown departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Porto to Castletown

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
05:00 - 16:10
OPO
-
IOM
11h 10m
2 stops
KLM Logo
12:05 - 22:25
IOM
-
OPO
10h 20m
2 stops
£351KLM
Thu, 12 Mar - Thu, 19 Mar
KLM Logo
16:10 - 16:10
OPO
-
IOM
24h 00m
2 stops
KLM Logo
12:05 - 10:30
IOM
-
OPO
22h 25m
2 stops
£370KLM
Fri, 13 Mar - Fri, 20 Mar
easyJet Logo
21:25 - 08:40
OPO
-
IOM
11h 15m
1 stop
easyJet Logo
17:15 - 15:30
IOM
-
OPO
22h 15m
1 stop
£410easyJet
Sat, 30 May - Sat, 6 Jun
KLM Logo
05:00 - 16:10
OPO
-
IOM
11h 10m
2 stops
KLM Logo
12:05 - 22:25
IOM
-
OPO
10h 20m
2 stops
£455KLM
Sat, 14 Mar - Fri, 20 Mar
British Airways Logo
19:50 - 16:10
OPO
-
IOM
20h 20m
1 stop
British Airways Logo
12:05 - 19:00
IOM
-
OPO
6h 55m
1 stop
£542British Airways
Sat, 28 Feb - Sat, 7 Mar
British Airways Logo
08:20 - 16:10
OPO
-
IOM
31h 50m
2 stops
British Airways Logo
12:05 - 19:00
IOM
-
OPO
6h 55m
1 stop
£594British Airways
Sat, 28 Feb - Sat, 7 Mar
Multiple Airlines Logo
20:40 - 16:10
OPO
-
IOM
19h 30m
2 stops
Multiple Airlines Logo
12:05 - 19:00
IOM
-
OPO
6h 55m
1 stop
£677Multiple Airlines
Sat, 28 Feb - Sat, 7 Mar

British Airways flights from Porto to Castletown

Our best British Airways deals on Porto to Castletown flight tickets
British Airways
28 Feb
OPO19:50Porto
20h 20m
1 stop
IOM16:10Castletown Ronaldsway
7 Mar
IOM12:05Castletown Ronaldsway
6h 55m
1 stop
OPO19:00Porto
£542
British Airways
28 Feb
OPO08:20Porto
31h 50m
2 stops
IOM16:10Castletown Ronaldsway
7 Mar
IOM12:05Castletown Ronaldsway
6h 55m
1 stop
OPO19:00Porto
£594

KLM flights from Porto to Castletown

Our best KLM deals on Porto to Castletown flight tickets
KLM
12 Mar
OPO05:00Porto
11h 10m
2 stops
IOM16:10Castletown Ronaldsway
19 Mar
IOM12:05Castletown Ronaldsway
10h 20m
2 stops
OPO22:25Porto
£351
KLM
13 Mar
OPO16:10Porto
24h 00m
2 stops
IOM16:10Castletown Ronaldsway
20 Mar
IOM12:05Castletown Ronaldsway
22h 25m
2 stops
OPO10:30Porto
£370
KLM
14 Mar
OPO05:00Porto
11h 10m
2 stops
IOM16:10Castletown Ronaldsway
20 Mar
IOM12:05Castletown Ronaldsway
10h 20m
2 stops
OPO22:25Porto
£455

momondo Fare Finder

 
Customise your flight search to find flights from Porto 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 279,928 searches. Data last updated 17 February 2026.
Use the filters below to find and compare flights from Porto to Castletown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoCastletown

OPO - IOM

OPOIOM

Porto

Thu 12/3

05:00-16:10

2 stops11h 10m

Castletown Ronaldsway

Thu 19/3

12:05-22:25

2 stops10h 20m

£351

PortoCastletown

OPO - IOM

OPOIOM

Porto

Fri 13/3

16:10-16:10

2 stops24h 00m

Castletown Ronaldsway

Fri 20/3

12:05-10:30

2 stops22h 25m

£370

PortoCastletown

OPO - IOM

OPOIOM

Porto

Sat 30/5

21:25-08:40

1 stop11h 15m

Castletown Ronaldsway

Sat 6/6

17:15-15:30

1 stop22h 15m

£410

PortoCastletown

OPO - IOM

OPOIOM

Porto

Sat 14/3

05:00-16:10

2 stops11h 10m

Castletown Ronaldsway

Fri 20/3

12:05-22:25

2 stops10h 20m

£455

PortoCastletown

OPO - IOM

OPOIOM

Porto

Sat 28/2

19:50-16:10

1 stop20h 20m

Castletown Ronaldsway

Sat 7/3

12:05-19:00

1 stop6h 55m

£542

PortoCastletown

OPO - IOM

OPOIOM

Porto

Sat 28/2

08:20-16:10

2 stops31h 50m

Castletown Ronaldsway

Sat 7/3

12:05-19:00

1 stop6h 55m

£594

PortoCastletown

OPO - IOM

OPOIOM

Porto

Sat 28/2

20:40-16:10

2 stops19h 30m

Castletown Ronaldsway

Sat 7/3

12:05-19:00

1 stop6h 55m

£677

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Porto to Castletown

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

Cheap Porto to Castletown (OPO to IOM) flight deals and tips

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

Fastest flight time

38h 35m

Direct flights

None
The fastest flight from Porto to Castletown takes 38h 35m
There are no direct flights from Porto to Castletown. There are no popular flight routes from Porto to Castletown.
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  • How far is Porto to Castletown Ronaldsway by plane?

    The distance between Porto and Castletown Ronaldsway is about 910.4 mi. Typically, this will take 38h 35m by plane in normal conditions.

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

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

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

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

    The required travel and health documents for your Castletown Ronaldsway Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Castletown Ronaldsway Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

  • How can I save money on flights from Porto 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?

    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.

Travelling 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 Porto to Castletown?

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

Flights from Porto 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 Porto to Castletown?

momondo helps you find the best flight between Porto and Castletown by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Porto to Castletown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Castletown and let you know when they change.

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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