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

KLM can get you from Grimsby to London Heathrow Airport in just under 3h 20m. Your travel time can differ by up to . The distance from Grimsby to London Heathrow Airport is about 145 mi.

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.

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).

What is the cheapest time of day to fly from HUY to LHR?

When flying from Grimsby to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£247+ Cheap Flights from Grimsby to London Heathrow Airport

Cheap flight deals from Grimsby to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

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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 1 September 2026.

Fri 2/1017:35 -

1 stop3h 20m

Sun 4/1006:30 -

1 stop10h 35m

Deal found 31/8£247

Mon 28/917:35 -

1 stop3h 20m

Mon 5/1006:30 -

1 stop10h 35m

Deal found 31/8£274

Fri 23/1017:35 -

1 stop3h 20m

Sun 25/1006:30 -

1 stop10h 10m

Deal found 27/8£324

Fri 2/1009:50 -

2 stops11h 30m

Sun 4/1006:40 -

2 stops10h 25m

Deal found 30/8£540

Mon 28/906:10 -

2 stops15h 15m

Mon 5/1015:20 -

2 stops18h 00m

Deal found 31/8£548

Mon 28/906:10 -

3 stops29h 05m

Mon 5/1007:20 -

2 stops26h 00m

Deal found 31/8£679

Sun 30/817:35 -

2 stops13h 50m

Mon 31/811:45 -

1 stop5h 20m

Deal found 30/8£1,706

Sun 30/817:35 -

1 stop17h 10m

Mon 31/814:45 -

1 stop6h 45m

Deal found 30/8£1,744

Find flight deals from Grimsby to Heathrow

Round-trip from	£247

KLM
2/10-4/10
2 total stops
13h 55m total
Grimsby to London

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Use the filters below to find and compare flights from Grimsby to London Heathrow Airport that are best for you.

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Cheapest return flight

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Fri 2/10

17:35-20:55

1 stop3h 20m

London Heathrow

Sun 4/10

06:30-17:05

1 stop10h 35m

£247

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Mon 28/9

17:35-20:55

1 stop3h 20m

London Heathrow

Mon 5/10

06:30-17:05

1 stop10h 35m

£274

Fastest return journey

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Fri 23/10

17:35-20:55

1 stop3h 20m

London Heathrow

Sun 25/10

06:30-16:40

1 stop10h 10m

£324

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Fri 2/10

09:50-21:20

2 stops11h 30m

London Heathrow

Sun 4/10

06:40-17:05

2 stops10h 25m

£540

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Mon 28/9

06:10-21:25

2 stops15h 15m

London Heathrow

Mon 5/10

15:20-09:20

2 stops18h 00m

£548

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Sorted by cheapest first

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.

HUY-LHR

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.

Related info for your journey

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 3h 20m. 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.

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Cheap flights from Grimsby to London Heathrow Airport from £247

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Grimsby to Heathrow

Cheapest flights from Grimsby to HeathrowExplore 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 1 September 2026.

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 1 September 2026.

Best flights from Grimsby to HeathrowDiscover 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 1 September 2026.

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 1 September 2026.

Last-minute flights from Grimsby to HeathrowDiscover last-minute flight deals from Grimsby to Heathrow. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Grimsby to Heathrow. Data last updated 1 September 2026 and is based on user searches.

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Best time to book a flight from Grimsby to Heathrow

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Related info for your journey

What airport do you fly from for flights from Grimsby to London Heathrow?

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

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

How can I find direct flights from Grimsby to Heathrow?

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

Travelling to a place near London Heathrow Airport?

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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 1 September 2026.

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 1 September 2026.

Last-minute flights from Grimsby to Heathrow
Discover last-minute flight deals from Grimsby to Heathrow. Data last updated 1 September 2026 and is based on user searches.