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Cheap Flights from Cardiff to Guernsey

Compare Cardiff to Guernsey flight deals

Find the cheapest month or even day of the year to fly to Guernsey

Book the best Guernsey fare with no extra fees

Find the cheapest month to fly from Cardiff to Guernsey

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cardiff to Guernsey flights are currently cheapest in September.
Jul
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Aug
from ج.م.‏ 9,231
Sep
from ج.م.‏ 8,255
Oct
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Nov
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Dec
from ج.م.‏ 9,436
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Cardiff to Guernsey: Alternative routes

Compare routes from Cardiff to Forest below. You may find an airport to fly into that's cheaper, faster, or easier than Guernsey.

Guernsey

1km from central Forest
ClosestCheapest
from ج.م.‏ 8,257
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Alderney

42km from central Forest
from ج.م.‏ 15,933
Search flights

Cardiff to Forest: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 8,257
Cheapest month to flySeptember

Finding cheap flights from Cardiff to Guernsey: Frequently asked questions

The best price we found for a return flight from Cardiff to Guernsey is ج.م.‏ 16,001. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cardiff to Guernsey. But we found flights with one or more stops from ج.م.‏ 16,001.
As of July 2026, there are no flights flying from Cardiff to Guernsey.
The cheapest month to fly from Cardiff to Guernsey is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Guernsey Airport on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Cardiff Airport and Guernsey Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Guernsey but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Forest is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Ryanair offers the cheapest flight tickets to Guernsey.

Travelling from Cardiff Airport (CWL) to Guernsey Airport (GCI): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to board your CWL to GCI flight.

  • Heading away during a peak period like public or school holidays? Expect longer lines at check-in and security. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

How to find the cheapest flights from Cardiff Airport (CWL) to Guernsey Airport (GCI)

  • The lowest price we've seen for a one-way Cardiff Airport to Guernsey Airport flight is ج.م.‏ 8,255. A return fare is currently ج.م.‏ 16,005. Depending on the availability and when you book, these fares can change.

  • Don't wait until the last moment. You're more likely to find cheap tickets from CWL to GCI if you book in advance. Airlines often have some excellent early bird deals.

  • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll find the lowest price across each month when looking for your flight from Cardiff Airport to Guernsey Airport.

  • Picking up cheap flights from CWL to GCI couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when a new discounted fare appears.

  • Tailor your flights using filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Cardiff Airport to Guernsey Airport.

Handy information about Cardiff Airport (CWL)

  • When it comes to the on-time performance of Cardiff Airport, 66.16% of flights arrive within the scheduled timeframe.

  • Cardiff Airport is about 27 kilometres from central Cardiff. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 30 minutes or so to get there, depending on the traffic.

  • The journey when using public transport takes about 1 hour 5 minutes.

  • Need a handy hotel close to CWL? If you're catching an early flight from Cardiff Airport to Guernsey Airport, these stays will put you moments from check-in:

Plan the rest of your trip from Cardiff to Forest

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.