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

KLM can get you from Grimsby to London Heathrow Airport in just under 14h 30m. 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.

£242+ 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

Last-minute

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 22 October 2026.

Sat 21/1117:10 -

1 stop14h 30m

Sat 28/1106:30 -

1 stop10h 10m

Deal found 19/10£242

Fri 4/1217:10 -

1 stop3h 40m

Mon 7/1210:00 -

1 stop6h 25m

Deal found 20/10£243

Wed 4/1117:10 -

1 stop3h 40m

Sun 8/1106:30 -

1 stop10h 10m

Deal found 20/10£311

Thu 19/1109:50 -

1 stop7h 10m

Thu 26/1115:45 -

1 stop5h 35m

Deal found 22/10£313

Mon 2/1117:10 -

1 stop3h 40m

Fri 6/1115:45 -

1 stop5h 35m

Deal found 18/10£368

Sat 31/1017:10 -

1 stop14h 30m

Fri 6/1115:45 -

1 stop5h 35m

Deal found 20/10£382

Sat 21/1106:10 -

2 stops8h 50m

Sat 28/1112:15 -

2 stops9h 05m

Deal found 20/10£388

Sat 21/1117:10 -

2 stops14h 45m

Sat 28/1115:00 -

2 stops18h 20m

Deal found 19/10£494

Thu 19/1109:50 -

2 stops11h 35m

Thu 26/1109:55 -

2 stops11h 25m

Deal found 22/10£503

Find flight deals from Grimsby to Heathrow

Round-trip from	£242

KLM
21/11-28/11
2 total stops
24h 40m total
Grimsby to London

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Cheapflights Fare Finder

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

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Depart

Return

Price

Cheapest return flight

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Sat 21/11

17:10-07:40

1 stop14h 30m

London Heathrow

Sat 28/11

06:30-16:40

1 stop10h 10m

£242

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Fri 4/12

17:10-20:50

1 stop3h 40m

London Heathrow

Mon 7/12

10:00-16:25

1 stop6h 25m

£243

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Wed 4/11

17:10-20:50

1 stop3h 40m

London Heathrow

Sun 8/11

06:30-16:40

1 stop10h 10m

£311

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Thu 19/11

09:50-17:00

1 stop7h 10m

London Heathrow

Thu 26/11

15:45-21:20

1 stop5h 35m

£313

Fastest return journey

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Mon 2/11

17:10-20:50

1 stop3h 40m

London Heathrow

Fri 6/11

15:45-21:20

1 stop5h 35m

£368

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Sat 21/11

06:10-15:00

2 stops8h 50m

London Heathrow

Sat 28/11

12:15-21:20

2 stops9h 05m

£388

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Sat 21/11

17:10-07:55

2 stops14h 45m

London Heathrow

Sat 28/11

15:00-09:20

2 stops18h 20m

£494

GrimsbyLondon

HUY Grimsby Humberside - LHR London Heathrow

HUYLHR

Grimsby Humberside

Thu 19/11

09:50-21:25

2 stops11h 35m

London Heathrow

Thu 26/11

11:45-21:20

1 stop9h 35m

£571

Flights are sorted by cheapest return flights first.

Deals found on 19/10

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 14h 30m. 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 £242

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. 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 22 October 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 22 October 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 22 October 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 22 October 2026.

Last-minute flights from Grimsby to HeathrowDiscover last-minute flight deals from Grimsby to Heathrow. Data last updated 22 October 2026 and is based on user searches.

Discover last-minute flight deals from Grimsby to Heathrow. Data last updated 22 October 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?

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Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 October 2026.

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

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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 22 October 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 22 October 2026.

Last-minute flights from Grimsby to Heathrow
Discover last-minute flight deals from Grimsby to Heathrow. Data last updated 22 October 2026 and is based on user searches.