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Cheap flights from Hamilton, Ontario to London Heathrow Airport from £191

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — LHR
1 Nov — 8 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Hamilton to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) 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 2 October 2025.

Round-trip from

£590

One-way from

£191

Popular in

July

Cheapest in

December

Average price

£528
WestJet
  • WestJet
  • 3/2-10/2
  • 2 total stops
  • 57h 26m total
  • Hamilton to London
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21/1
  • 21/1
  • 1 total stop
  • 15h 50m total
  • Hamilton to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£37 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Hamilton to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Hamilton to Heathrow
Explore the most affordable flight options available from Hamilton to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 October 2025.

Sun 19/1006:00YHM - LHR
1 stop25h 05mWestJet
Thu 23/1014:10LHR - YHM
1 stop15h 30mWestJet
Deal found 1/10£627
Sun 19/1006:00YHM - LHR
1 stop25h 05mWestJet
Fri 24/1014:10LHR - YHM
1 stop15h 30mWestJet
Deal found 1/10£641
Sun 19/1006:00YHM - LHR
1 stop25h 05mWestJet
Sat 25/1014:10LHR - YHM
1 stop32h 07mWestJet
Deal found 1/10£646
Mon 20/1006:00YHM - LHR
1 stop25h 05mWestJet
Fri 24/1014:10LHR - YHM
1 stop15h 30mWestJet
Deal found 30/9£667
Sun 2/1118:10YHM - LHR
2 stops41h 25mWestJet
Tue 2/1214:50LHR - YHM
1 stop31h 27mWestJet
Deal found 1/10£705
Thu 23/1006:00YHM - LHR
1 stop25h 05mWestJet
Sun 9/1114:50LHR - YHM
1 stop31h 27mWestJet
Deal found 1/10£708
Fri 17/1006:00YHM - LHR
1 stop25h 05mWestJet
Fri 24/1014:10LHR - YHM
1 stop15h 30mWestJet
Deal found 1/10£722
Thu 16/1006:00YHM - LHR
1 stop25h 05mWestJet
Wed 22/1014:10LHR - YHM
1 stop15h 30mWestJet
Deal found 30/9£733
Sun 19/1006:00YHM - LHR
1 stop25h 05mWestJet
Wed 5/1114:50LHR - YHM
1 stop31h 27mWestJet
Deal found 30/9£737

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hamilton 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 2 October 2025.
Use the filters below to find and compare flights from Hamilton to London Heathrow Airport that are best for you.

Fly from

Hamilton

Fly to

Heathrow

Route

Depart

Return

Price

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Mon 2/2

18:10-18:20

2 stops43h 10m

London Heathrow

Tue 10/2

08:55-17:16

2 stops37h 21m

£618

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 3/2

05:50-16:35

2 stops29h 45m

London Heathrow

Tue 10/2

09:00-17:16

2 stops37h 16m

£618

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Sun 19/10

06:00-12:05

1 stop25h 05m

London Heathrow

Fri 24/10

14:10-00:40

1 stop15h 30m

£641

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Sun 19/10

06:00-12:05

1 stop25h 05m

London Heathrow

Sat 25/10

14:10-17:17

1 stop32h 07m

£646

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 17/2

05:50-12:50

1 stop26h 00m

London Heathrow

Sun 1/3

14:50-17:16

1 stop31h 26m

£662

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 17/2

05:50-12:50

1 stop26h 00m

London Heathrow

Thu 5/3

14:50-13:21

1 stop27h 31m

£662

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 17/2

05:50-12:50

1 stop26h 00m

London Heathrow

Tue 3/3

14:50-17:16

1 stop31h 26m

£662

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 17/2

05:50-12:50

1 stop26h 00m

London Heathrow

Sat 28/2

14:50-17:16

1 stop31h 26m

£662

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Thu 12/3

18:10-12:50

1 stop14h 40m

London Heathrow

Wed 18/3

08:55-17:16

2 stops36h 21m

£665

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 3/3

05:50-12:50

1 stop26h 00m

London Heathrow

Sun 15/3

14:50-17:16

1 stop30h 26m

£667

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 20 results
1
2

Best time to book a flight from Hamilton to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Hamilton 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 Hamilton to London Heathrow Airport

What is the cheapest month to book a flight from Hamilton, Ontario to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Hamilton, Ontario to London Heathrow Airport (average of £112). Flying from Hamilton, Ontario 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.

Related info for your journey

Find useful and relevant information for your journey from Hamilton 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 Hamilton to London Heathrow?

    If you book a flight to London Heathrow from Hamilton, you will be flying from Hamilton, which is the city’s only airport. Hamilton (YHM) is located 6.8 mi from the center of Hamilton. There are 0 flights from Hamilton to London Heathrow per day from 0 different airlines.

  • How long is the flight from Hamilton, Ontario to London Heathrow Airport?

    A quick flight from Hamilton, Ontario to London Heathrow Airport can take about 43h 10m. WestJet provides one of the quickest options available for as low as £618. Hamilton, Ontario and London Heathrow Airport are separated by a distance of 3577 mi.

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

    Yes. In addition to deals on Hamilton to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hamilton to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hamilton to Heathrow.

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

    Yes. Cheapflights offers flight deals from Hamilton 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 Hamilton, Ontario to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Hamilton, Ontario to London Heathrow Airport (average of £112). Flying from Hamilton, Ontario 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Swindon
Winchester
Chichester
Ipswich
Dartford
Brentford
Bishop's Stortford

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Why should you use Cheapflights to find cheap flight tickets from Hamilton to Heathrow?

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Can Cheapflights find flights from Hamilton to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Hamilton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Hamilton to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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