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Cheap flights from Ireland to Grimsby from £243

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HUY
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Find flight deals from Ireland to Grimsby

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Grimsby
Explore the most affordable flight options available from Ireland to Grimsby. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2025.

Fri 28/1105:55DUB - HUY
1 stop10h 45mKLM
Fri 5/1206:10HUY - DUB
1 stop6h 30mKLM
Deal found 14/10£243
Thu 27/1113:25DUB - HUY
1 stop7h 55mKLM
Thu 4/1217:30HUY - DUB
1 stop4h 40mKLM
Deal found 13/10£244
Thu 27/1108:45DUB - HUY
2 stops8h 15mMultiple Airlines
Thu 4/1217:30HUY - DUB
1 stop4h 40mMultiple Airlines
Deal found 13/10£261
Fri 28/1106:00DUB - HUY
2 stops10h 40mMultiple Airlines
Fri 5/1217:10HUY - DUB
1 stop14h 55mMultiple Airlines
Deal found 14/10£283
Thu 27/1108:45DUB - HUY
2 stops8h 15mAir France
Thu 4/1217:30HUY - DUB
2 stops38h 20mAir France
Deal found 13/10£293
Fri 28/1106:00DUB - HUY
2 stops10h 40mAir France
Fri 5/1217:10HUY - DUB
2 stops14h 40mAir France
Deal found 14/10£303

Cheap flight deals from Ireland to Grimsby

Keep the following information in mind while searching for Ireland to Grimsby flight deals. Data was last updated 15 October 2025.

Round-trip from

£243
KLM
  • KLM
  • 28/11-5/12
  • 2 total stops
  • 17h 15m total
  • Ireland to Grimsby
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Grimsby 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, Cheapflights users made 858,174 searches. Data last updated 15 October 2025.
Use the filters below to find and compare flights from Ireland to Grimsby that are best for you.

Fly from

Ireland

Fly to

Grimsby

Route

Depart

Return

Price

DublinGrimsby

DUB - HUY

DUBHUY

Dublin

Fri 28/11

05:55-16:40

1 stop10h 45m

Grimsby Humberside

Fri 5/12

06:10-12:40

1 stop6h 30m

£243

DublinGrimsby

DUB - HUY

DUBHUY

Dublin

Thu 27/11

13:25-21:20

1 stop7h 55m

Grimsby Humberside

Thu 4/12

17:30-22:10

1 stop4h 40m

£244

DublinGrimsby

DUB - HUY

DUBHUY

Dublin

Thu 27/11

08:45-17:00

2 stops8h 15m

Grimsby Humberside

Thu 4/12

17:30-22:10

1 stop4h 40m

£261

DublinGrimsby

DUB - HUY

DUBHUY

Dublin

Fri 28/11

06:00-16:40

2 stops10h 40m

Grimsby Humberside

Fri 5/12

17:10-08:05

1 stop14h 55m

£283

DublinGrimsby

DUB - HUY

DUBHUY

Dublin

Thu 27/11

08:45-17:00

2 stops8h 15m

Grimsby Humberside

Thu 4/12

17:30-07:50

2 stops38h 20m

£293

DublinGrimsby

DUB - HUY

DUBHUY

Dublin

Fri 28/11

06:00-16:40

2 stops10h 40m

Grimsby Humberside

Fri 5/12

17:10-07:50

2 stops14h 40m

£303

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Best time to book a flight from Ireland to Grimsby

Have a flexible travel schedule? Discover the best time to fly to Grimsby from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Grimsby

What is the cheapest month to book a flight from Ireland to Grimsby?

Currently, February is the cheapest month in which you can book a flight from Ireland to Grimsby (average of £17). Flying from Ireland to Grimsby in December is currently the most expensive (average of £35). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Grimsby. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Grimsby from Ireland?

    Most people fly into Grimsby Humberside (HUY) if they book a flight to Grimsby from Ireland. Humberside is conveniently located just 11.0 mi from Grimsby’s city center.

  • How long is the flight from Ireland to Grimsby?

    For as low as £293, KLM can have you in Grimsby from Ireland in 8h 15m. Ireland and Grimsby are separated by a distance of 242 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Ireland to Grimsby that include hotel bookings?

    Yes. In addition to deals on Ireland to Grimsby flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Grimsby?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Grimsby.

  • Can I find deals for business class flights from Ireland to Grimsby?

    Yes. Cheapflights offers flight deals from Ireland to Grimsby by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Grimsby?

    Currently, February is the cheapest month in which you can book a flight from Ireland to Grimsby (average of £17). Flying from Ireland to Grimsby in December is currently the most expensive (average of £35). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Grimsby?

Book flights to Grimsby if you plan to visit one of these locations
Hull
Skegness
Bridlington
Driffield

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Alternative routes for Ireland to Grimsby

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Fly with Cheapflights

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Yes! Cheapflights helps users easily find flights from Ireland to Grimsby with no change fees.

Can Cheapflights notify me if prices for flights from Ireland to Grimsby become cheaper?

Yes, Cheapflights offers price alerts on Ireland to Grimsby flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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