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Cheap flights from Grimsby to London Heathrow Airport from £231

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — LHR
17 May — 24 May1
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 17 April 2026.

Fri 1/517:35
HUY
-
LHR
1 stop3h 20m
KLM
Tue 5/520:55
LHR
-
HUY
1 stop12h 25m
KLM
Deal found 15/4£319
Thu 30/406:10
HUY
-
LHR
1 stop7h 40m
KLM
Mon 4/517:10
LHR
-
HUY
1 stop4h 20m
KLM
Deal found 15/4£389
Fri 1/509:50
HUY
-
LHR
2 stops22h 05m
Multiple Airlines
Tue 5/508:55
LHR
-
HUY
2 stops24h 25m
Multiple Airlines
Deal found 15/4£392
Wed 29/409:50
HUY
-
LHR
1 stop7h 45m
KLM
Sun 3/506:30
LHR
-
HUY
1 stop15h 00m
KLM
Deal found 14/4£399
Thu 30/417:35
HUY
-
LHR
2 stops15h 35m
Multiple Airlines
Mon 4/520:50
LHR
-
HUY
2 stops24h 40m
Multiple Airlines
Deal found 15/4£441
Fri 6/1106:00
HUY
-
LHR
1 stop7h 50m
KLM
Fri 6/1117:05
LHR
-
HUY
1 stop4h 15m
KLM
Deal found 13/4£454
Tue 28/406:10
HUY
-
LHR
2 stops10h 15m
Multiple Airlines
Sat 2/512:10
LHR
-
HUY
2 stops9h 20m
Multiple Airlines
Deal found 13/4£579
Tue 28/417:35
HUY
-
LHR
1 stop3h 20m
KLM
Sat 2/506:30
LHR
-
HUY
1 stop15h 00m
KLM
Deal found 13/4£689

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 17 April 2026.

Round-trip from

£319

One-way from

£231
KLM
  • KLM
  • 1/5-5/5
  • 2 total stops
  • 15h 45m total
  • Grimsby to London
Search Deals
KLM
  • KLM
  • 11/5
  • 1 total stop
  • 3h 20m 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 17 April 2026.
Use the filters below to find and compare flights from Grimsby to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Thu 30/4

06:10-13:50

1 stop7h 40m

London Heathrow

Mon 4/5

17:10-21:30

1 stop4h 20m

£389

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Fri 1/5

09:50-07:55

2 stops22h 05m

London Heathrow

Tue 5/5

08:55-09:20

2 stops24h 25m

£392

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Wed 29/4

09:50-17:35

1 stop7h 45m

London Heathrow

Sun 3/5

06:30-21:30

1 stop15h 00m

£399

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Thu 30/4

17:35-09:10

2 stops15h 35m

London Heathrow

Mon 4/5

20:50-21:30

2 stops24h 40m

£441

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Tue 28/4

06:10-16:25

2 stops10h 15m

London Heathrow

Sat 2/5

12:10-21:30

2 stops9h 20m

£579

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Tue 28/4

17:35-20:55

1 stop3h 20m

London Heathrow

Sat 2/5

06:30-21:30

1 stop15h 00m

£689

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Wed 29/4

09:50-16:25

2 stops6h 35m

London Heathrow

Sun 3/5

08:30-17:05

2 stops8h 35m

£785
Cheapest one-way
Fastest single journey

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Mon 11/5

17:35-20:55

1 stop3h 20m

£231

GrimsbyLondon

HUY - LHR

HUYLHR

Grimsby Humberside

Mon 11/5

06:10-16:25

2 stops10h 15m

£280

Flights are sorted by cheapest return flights first.

Deals found on 13/4

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.
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

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 7h 40m. 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.

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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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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?

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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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