Cheap flights from Belfast Intl Airport to Guernsey from £138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Guernsey departing on 28/8. 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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Find the cheapest flights from Belfast Intl Airport to Guernsey

Cheap return flights

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09:50 - 17:10BFS-GCI
7h 20m1 stop
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11:20 - 08:10GCI-BFS
20h 50m1 stop
Thu, 14 Aug - Mon, 18 Aug
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09:50 - 17:10BFS-GCI
7h 20m1 stop
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12:45 - 23:20GCI-BFS
10h 35m2 stops
Thu, 14 Aug - Mon, 18 Aug
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07:00 - 14:20BFS-GCI
7h 20m2 stops
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11:20 - 07:15GCI-BFS
19h 55m2 stops
Thu, 14 Aug - Mon, 18 Aug

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport to Guernsey 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 1 August 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Guernsey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSaint Peter Port

BFS - GCI

BFSGCI

Belfast Intl

Thu 14/8

09:50-17:10

1 stop7h 20m

Saint Peter Port Guernsey

Mon 18/8

11:20-08:10

1 stop20h 50m

£295

BelfastSaint Peter Port

BFS - GCI

BFSGCI

Belfast Intl

Thu 14/8

09:50-17:10

1 stop7h 20m

Saint Peter Port Guernsey

Mon 18/8

12:45-23:20

2 stops10h 35m

£337

BelfastSaint Peter Port

BFS - GCI

BFSGCI

Belfast Intl

Thu 14/8

07:00-14:20

2 stops7h 20m

Saint Peter Port Guernsey

Mon 18/8

11:20-07:15

2 stops19h 55m

£369

BelfastSaint Peter Port

BFS - GCI

BFSGCI

Belfast Intl

Thu 28/8

09:50-08:00

1 stop22h 10m

£138

BelfastSaint Peter Port

BFS - GCI

BFSGCI

Belfast Intl

Thu 28/8

07:00-14:20

2 stops7h 20m

£147

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Belfast Intl Airport to Guernsey flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Guernsey

Best price found

£138

Fastest flight time

7h 20m

Direct flights

None

Airports in Guernsey

1 airport
The best one-way flight to Guernsey from Belfast Intl Airport in the past 72 hours is £138. The best return flight deal from Belfast Intl Airport to Guernsey found on momondo in the last 72 hours is £295.
The fastest flight from Belfast Intl Airport to Guernsey takes 7h 20m
There are no direct flights from Belfast Intl Airport to Guernsey. Popular non-direct route for this connection is Belfast Intl Airport - Saint Peter Port Guernsey Airport.
There is 1 airport near Guernsey: Saint Peter Port Guernsey (GCI)

  • When did momondo last update prices for flights from Belfast Intl Airport to Guernsey?

    Prices for flights from Belfast Intl Airport to Guernsey are updated daily.

  • How old do you have to be to fly from Belfast Intl Airport to Guernsey?

    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 Belfast Intl Airport to Guernsey.

  • What documentation or ID do you need to fly to Guernsey?

    The required travel and health documents for your Guernsey 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 Guernsey. 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 Belfast Intl Airport to Guernsey?

    Confirm your travel details to search for the latest offers for flights from Belfast Intl Airport to Guernsey. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Belfast Intl Airport to Guernsey with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.


Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Guernsey?

Finding the right flight to Guernsey from Belfast 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 Guernsey quick and easy, saving you time and money.

Can I find flights from Belfast to Guernsey with flexible booking policies on momondo?

momondo does allow users to show only those flights to Guernsey from Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Belfast to Guernsey?

Once you have performed a search for Belfast to Guernsey 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 Belfast to Guernsey right now. Can momondo alert me if prices change?

Price alerts on flights to Guernsey from Belfast 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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1 adult
Wed 6/8
Wed 13/8

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Popular flights according to clicks in the last 7 days on momondo