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Cheap flights from Grimsby to London Heathrow Airport from £257

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — LHR
30 Jan — 6 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Grimsby to Heathrow

Enter your travel dates to find the best prices.

Best flights from Grimsby to Heathrow
Discover carefully curated flight deals from Grimsby to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 December 2025.

Thu 12/209:50HUY - LHR
1 stop6h 15mKLM
Thu 19/217:50LHR - HUY
1 stop3h 30mKLM
Deal found 28/12£257
Tue 13/109:50HUY - LHR
2 stops8h 30mMultiple Airlines
Sat 17/106:20LHR - HUY
2 stops15h 00mMultiple Airlines
Deal found 29/12£361
Fri 16/106:10HUY - LHR
1 stop4h 35mKLM
Sat 17/114:05LHR - HUY
1 stop7h 15mKLM
Deal found 30/12£315
Tue 13/109:50HUY - LHR
1 stop4h 00mKLM
Sat 17/117:50LHR - HUY
1 stop3h 30mKLM
Deal found 29/12£315
Fri 16/109:50HUY - LHR
2 stops8h 55mMultiple Airlines
Sat 17/119:20LHR - HUY
2 stops21h 50mMultiple Airlines
Deal found 30/12£497

Find flight deals from Grimsby to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Grimsby (HUY) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 December 2025.

Round-trip from

£257
KLM
  • KLM
  • 12/2-19/2
  • 2 total stops
  • 9h 45m total
  • Grimsby to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby to Heathrow 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 31 December 2025.
Use the filters below to find and compare flights from Grimsby to London Heathrow Airport that are best for you.

Fly from

Grimsby

Fly to

Heathrow

Route

Depart

Return

Price

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Thu 12/2

09:50-16:05

1 stop6h 15m

London Heathrow

Thu 19/2

17:50-21:20

1 stop3h 30m

£257

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Fri 16/1

06:10-10:45

1 stop4h 35m

London Heathrow

Sat 17/1

14:05-21:20

1 stop7h 15m

£315

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Tue 13/1

09:50-13:50

1 stop4h 00m

London Heathrow

Sat 17/1

17:50-21:20

1 stop3h 30m

£315

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Tue 13/1

09:50-18:20

2 stops8h 30m

London Heathrow

Sat 17/1

06:20-21:20

2 stops15h 00m

£361

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Fri 16/1

09:50-18:45

2 stops8h 55m

London Heathrow

Sat 17/1

19:20-17:10

2 stops21h 50m

£497

Flights are sorted by cheapest return flights first.

Deals found on 28/12

Best time to book a flight from Grimsby to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Grimsby 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 Grimsby to London Heathrow Airport

What is the cheapest month to book a flight from Grimsby to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Grimsby to London Heathrow Airport (average of £73). Flying from Grimsby to London Heathrow Airport in August is currently the most expensive (average of £84). 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 Grimsby to Heathrow. 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 from for flights from Grimsby to London Heathrow?

    Grimsby Humberside (HUY) is the airport you will fly out of if you book a flight from Grimsby to London Heathrow. You should not have trouble finding flights to London Heathrow from Humberside; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Grimsby airport to London Heathrow. It is only a 11.0 mi journey to Humberside (HUY) from Grimsby’s city center.

  • How long is the flight from Grimsby to London Heathrow Airport?

    KLM can get you from Grimsby to London Heathrow Airport in just under 6h 15m. Your travel time can differ by up to . The distance from Grimsby to London Heathrow Airport is about 145 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Grimsby to Heathrow 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 Grimsby to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Grimsby to London Heathrow Airport (average of £73). Flying from Grimsby to London Heathrow Airport in August is currently the most expensive (average of £84). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Slough
Northampton
Hounslow
Gatwick
Ilford
Wembley
Hayes
Brentford
Colchester
Watford
Crawley
Swindon
Bedford
Chelmsford
Romford
Eastbourne
Ipswich

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Fly with Cheapflights

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How does Cheapflights help users find flights from Grimsby to Heathrow?

Cheapflights makes it easy to find Grimsby to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Grimsby to Heathrow?

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Can Cheapflights find flights from Grimsby to Heathrow with no change fees?

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

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

Not ready to book yet? You can track prices for flights from Grimsby to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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