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Cheap flights from Grimsby to London Heathrow Airport from £297

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — LHR
16 Apr — 23 Apr1
1 adult

Cheap 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 11 April 2025.

Round-trip from

£297
KLM
  • KLM
  • 24/5-31/5
  • 2 total stops
  • 11h 40m total
  • Grimsby to London
Search Deals

Find flight deals from Grimsby to Heathrow

Cheapest flights from Grimsby to Heathrow
Explore the most affordable flight options available from Grimsby to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 April 2025.

Fri 9/517:35HUY - LHR
1 stop3h 20mKLM
Sat 10/508:40LHR - HUY
1 stop8h 20mKLM
Deal found 10/4£345
Fri 9/506:10HUY - LHR
2 stops10h 25mAir France
Sat 10/506:15LHR - HUY
2 stops10h 45mAir France
Deal found 10/4£496
Fri 9/506:10HUY - LHR
2 stops10h 25mMultiple Airlines
Sat 10/506:30LHR - HUY
1 stop10h 30mMultiple Airlines
Deal found 10/4£520

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 11 April 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

Sat 24/5

17:35-20:55

1 stop3h 20m

London Heathrow

Sat 31/5

08:40-17:00

1 stop8h 20m

£297

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Mon 12/5

06:10-16:35

2 stops10h 25m

London Heathrow

Sat 24/5

19:45-17:00

2 stops21h 15m

£521

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Mon 12/5

06:10-16:35

2 stops10h 25m

London Heathrow

Sat 24/5

18:35-17:00

1 stop22h 25m

£547

Flights are sorted by cheapest return flights first.

Deals found on 9/4

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, January is the cheapest month in which you can book a flight from Grimsby to London Heathrow Airport (average of £112). Flying from Grimsby to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 11 April 2025.
KLM
7.8
Good
1,321 reviews
Check prices

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,428 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 1 airline has flights from the Grimsby airport to London Heathrow. It is only a 11.0 mi journey to Humberside (HUY) from Grimsby’s city center.

  • What are the cheapest airlines flying from Grimsby to London Heathrow Airport round-trip?

    KLM, at £297, was found to be the cheapest airline from Grimsby to London Heathrow Airport. An alternate airline flying to your destination would be Air France.

  • 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, January is the cheapest month in which you can book a flight from Grimsby to London Heathrow Airport (average of £112). Flying from Grimsby to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Deal
Milton Keynes
Luton
Gatwick
Croydon
Slough
Eastbourne
Northampton
Wembley
Crawley
Hayes
Swindon
Southend-on-Sea
Maidstone
Ilford
Winchester
Ipswich
Southall
Folkestone

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Top airline flying from Grimsby to Heathrow

Discover the top airline that operate flights from Grimsby to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£251Average£370FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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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