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Cheap flights from Grimsby to London Heathrow Airport from £248

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — LHR
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Grimsby to Heathrow

Enter your travel dates to find the best prices.

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 13 February 2026.

Fri 6/1117:10
HUY
-
LHR
1 stop3h 40m
KLM
Fri 4/1217:50
LHR
-
HUY
1 stop3h 30m
KLM
Deal found 10/2£248
Tue 10/317:40
HUY
-
LHR
1 stop3h 10m
KLM
Tue 17/311:45
LHR
-
HUY
1 stop4h 55m
KLM
Deal found 10/2£256
Sat 28/317:30
HUY
-
LHR
1 stop3h 20m
KLM
Sat 4/411:45
LHR
-
HUY
1 stop9h 45m
KLM
Deal found 11/2£258
Fri 27/217:10
HUY
-
LHR
1 stop3h 40m
KLM
Tue 3/311:45
LHR
-
HUY
1 stop4h 55m
KLM
Deal found 12/2£315
Thu 26/206:10
HUY
-
LHR
1 stop4h 35m
KLM
Mon 2/317:50
LHR
-
HUY
1 stop3h 30m
KLM
Deal found 11/2£315
Sat 28/209:50
HUY
-
LHR
1 stop7h 10m
KLM
Wed 4/317:05
LHR
-
HUY
1 stop4h 15m
KLM
Deal found 13/2£330
Mon 25/517:35
HUY
-
LHR
1 stop3h 20m
KLM
Sun 31/514:45
LHR
-
HUY
1 stop6h 45m
KLM
Deal found 11/2£407
Fri 6/1106:00
HUY
-
LHR
1 stop4h 45m
KLM
Fri 6/1115:45
LHR
-
HUY
1 stop5h 35m
KLM
Deal found 10/2£424
Mon 16/217:40
HUY
-
LHR
1 stop3h 10m
KLM
Mon 23/215:45
LHR
-
HUY
1 stop5h 35m
KLM
Deal found 12/2£450
Fri 27/209:50
HUY
-
LHR
2 stops8h 30m
Multiple Airlines
Tue 3/308:55
LHR
-
HUY
2 stops7h 45m
Multiple Airlines
Deal found 12/2£527
Sat 28/209:50
HUY
-
LHR
1 stop4h 35m
Multiple Airlines
Wed 4/312:10
LHR
-
HUY
2 stops9h 10m
Multiple Airlines
Deal found 13/2£549

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 13 February 2026.

Round-trip from

£256
KLM
  • KLM
  • 10/3-17/3
  • 2 total stops
  • 8h 05m 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 13 February 2026.
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

Tue 10/3

17:40-20:50

1 stop3h 10m

London Heathrow

Tue 17/3

11:45-16:40

1 stop4h 55m

£256

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Sat 28/3

17:30-20:50

1 stop3h 20m

London Heathrow

Sat 4/4

11:45-21:30

1 stop9h 45m

£258

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Fri 27/2

17:10-20:50

1 stop3h 40m

London Heathrow

Tue 3/3

11:45-16:40

1 stop4h 55m

£315

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Thu 26/2

06:10-10:45

1 stop4h 35m

London Heathrow

Mon 2/3

17:50-21:20

1 stop3h 30m

£315

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Sat 28/2

09:50-17:00

1 stop7h 10m

London Heathrow

Wed 4/3

17:05-21:20

1 stop4h 15m

£330

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Mon 25/5

17:35-20:55

1 stop3h 20m

London Heathrow

Sun 31/5

14:45-21:30

1 stop6h 45m

£407

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Fri 27/2

09:50-18:20

2 stops8h 30m

London Heathrow

Tue 3/3

08:55-16:40

2 stops7h 45m

£527

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Sat 28/2

09:50-14:25

1 stop4h 35m

London Heathrow

Wed 4/3

12:10-21:20

2 stops9h 10m

£549

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Mon 25/5

06:10-22:00

3 stops15h 50m

London Heathrow

Sun 31/5

06:00-21:30

3 stops15h 30m

£919

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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 £73). Flying from Grimsby to London Heathrow Airport in August is currently the most expensive (average of £87). 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 3h 10m. 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, January 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 £87). 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
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Grimsby to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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.

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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.

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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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