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Cheap flights from Hamilton, Ontario to London from £174

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — LON
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Hamilton to London

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to London (LON). 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 18 September 2025.

Round-trip from

£628

One-way from

£174

Popular in

July

Cheapest in

January

Average price

£386
WestJet
  • WestJet
  • 17/10-24/10
  • 2 total stops
  • 40h 35m total
  • Hamilton to London
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23/10
  • 23/10
  • 1 total stop
  • 18h 55m total
  • Hamilton to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£92 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Hamilton to London

Cheapest flights from Hamilton to London
Explore the most affordable flight options available from Hamilton to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Mon 22/911:20YHM - LHR
1 stop17h 40mAir Canada
Mon 6/1015:50LHR - YHM
1 stop24h 40mAir Canada
Deal found 16/9£427
Fri 17/1006:00YHM - LHR
1 stop25h 05mWestJet
Fri 24/1014:10LHR - YHM
1 stop15h 30mWestJet
Deal found 16/9£628
Fri 24/1006:00YHM - LHR
1 stop25h 05mWestJet
Sat 1/1114:50LHR - YHM
1 stop31h 27mWestJet
Deal found 16/9£636
Mon 13/1012:10YHM - LHR
1 stop18h 40mMultiple Airlines
Sat 1/1114:30LHR - YHM
3 stops31h 47mMultiple Airlines
Deal found 17/9£640
Fri 17/1006:00YHM - LHR
1 stop25h 05mWestJet
Sat 1/1114:50LHR - YHM
1 stop31h 27mWestJet
Deal found 17/9£641
Fri 17/1006:00YHM - LHR
1 stop25h 05mWestJet
Wed 22/1014:10LHR - YHM
1 stop15h 30mWestJet
Deal found 16/9£651
Mon 3/1118:10YHM - LHR
2 stops41h 25mWestJet
Wed 12/1108:55LHR - YHM
2 stops37h 22mWestJet
Deal found 15/9£656
Fri 24/1006:00YHM - LHR
1 stop25h 05mWestJet
Sun 2/1108:55LHR - YHM
2 stops37h 22mWestJet
Deal found 16/9£659
Mon 22/908:15YHM - LGW
1 stop20h 10mMultiple Airlines
Mon 6/1010:45LGW - YHM
2 stops39h 34mMultiple Airlines
Deal found 16/9£666
Wed 1/1006:00YHM - LGW
2 stops22h 25mWestJet
Mon 6/1010:45LGW - YHM
2 stops42h 55mWestJet
Deal found 16/9£747
Wed 15/1006:00YHM - LGW
2 stops46h 25mWestJet
Wed 22/1010:45LGW - YHM
2 stops42h 55mWestJet
Deal found 15/9£774
Sun 12/1006:00YHM - LGW
2 stops46h 25mWestJet
Sun 19/1010:45LGW - YHM
2 stops42h 55mWestJet
Deal found 16/9£774

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hamilton to London 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 18 September 2025.
Use the filters below to find and compare flights from Hamilton to London that are best for you.

Fly from

Hamilton

Fly to

London

Route

Depart

Return

Price

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Mon 22/9

11:20-10:00

1 stop17h 40m

London Heathrow

Mon 6/10

15:50-11:30

1 stop24h 40m

£427

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Fri 24/10

06:00-12:05

1 stop25h 05m

London Heathrow

Tue 4/11

14:50-17:17

1 stop31h 27m

£640

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Mon 3/11

18:10-16:35

2 stops41h 25m

London Heathrow

Wed 12/11

08:55-17:17

2 stops37h 22m

£656

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Fri 24/10

06:00-12:05

1 stop25h 05m

London Heathrow

Sun 2/11

08:55-17:17

2 stops37h 22m

£659

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Wed 8/10

06:00-12:05

1 stop25h 05m

London Heathrow

Fri 24/10

14:10-00:40

1 stop15h 30m

£664

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Sun 16/11

18:10-16:35

2 stops41h 25m

London Heathrow

Sun 23/11

08:55-17:17

2 stops37h 22m

£670

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Thu 23/10

06:00-12:05

1 stop25h 05m

London Heathrow

Sun 26/10

14:50-17:17

1 stop30h 27m

£671

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Sun 16/11

18:10-16:35

2 stops41h 25m

London Heathrow

Tue 2/12

14:50-17:17

1 stop31h 27m

£683

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Sat 25/10

06:00-13:50

1 stop26h 50m

London Heathrow

Sat 1/11

08:55-18:17

2 stops37h 22m

£687

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Wed 22/10

06:00-12:05

1 stop25h 05m

London Heathrow

Sun 26/10

14:50-17:17

1 stop30h 27m

£690

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 33 results
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Best time to book a flight from Hamilton to London

Have a flexible travel schedule? Discover the best time to fly to London 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

How far ahead should I book a flight from Hamilton, Ontario to London?

Use this chart to determine the optimal time to book a return flight from Hamilton to London. Price data was last updated on 12 September 2025.

The price you pay for your flight from Hamilton, Ontario to London may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

What’s the top stopover airport for flights from Hamilton, Ontario to London?

Share of one-stop return flights from Hamilton, Ontario to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 71% of one-stop itineraries from Hamilton, Ontario to London on Cheapflights.

What’s the cheapest stopover airport for flights from Hamilton, Ontario to London?

Average return fare for one-stop flights from Hamilton, Ontario to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £326.

What’s the fastest stopover option from Hamilton, Ontario to London?

Shortest average travel time for one-stop one-way flights from Hamilton, Ontario to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 9h 50m.

Which airport typically offers the quickest stopover for flights from Hamilton, Ontario to London?

Average stopover duration for one-stop one-way flights from Hamilton, Ontario to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 1h 30m.

Related info for your journey

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

    For a flight from Hamilton to London, you will be flying from Hamilton. Hamilton (YHM) is just 6.8 mi from the center of the city. Hamilton is the only Hamilton airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Hamilton on a regular basis.

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

    A quick flight from Hamilton, Ontario to London can take about 17h 40m. Air Canada provides one of the quickest options available for as low as £427. Airlines will cover a distance of 3577 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton to London 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?

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

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hamilton to London?

Deals for Hamilton to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hamilton to London for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hamilton to London flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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