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Cheap flights from Hamilton, Ontario to London from £171

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — LON
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

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 21 November 2025.

Round-trip from

£480

One-way from

£171

Popular in

July

Cheapest in

January

Average price

£399
WestJet
  • WestJet
  • 22/1-29/1
  • 2 total stops
  • 65h 12m total
  • Hamilton to London
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WestJet
  • WestJet
  • 20/1
  • 1 total stop
  • 26h 05m total
  • Hamilton to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£90 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 November 2025
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Find flight deals from Hamilton to London

Enter your travel dates to find the best prices.

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 21 November 2025.

Sun 30/1119:55YHM - LHR
2 stops35h 55mMultiple Airlines
Sun 7/1214:50LHR - YHM
1 stop31h 27mMultiple Airlines
Deal found 18/11£643
Fri 19/1207:00YHM - LHR
2 stops26h 35mMultiple Airlines
Thu 25/1214:50LHR - YHM
1 stop15h 22mMultiple Airlines
Deal found 18/11£966
Sun 30/1118:10YHM - LHR
2 stops43h 10mWestJet
Sun 7/1209:00LHR - YHM
2 stops37h 17mWestJet
Deal found 18/11£1,157
Mon 24/1118:10YHM - LHR
2 stops41h 25mWestJet
Tue 2/1214:50LHR - YHM
1 stop31h 27mWestJet
Deal found 19/11£1,158
Sun 7/1218:10YHM - LHR
2 stops41h 25mWestJet
Sun 14/1214:50LHR - YHM
1 stop31h 27mWestJet
Deal found 20/11£1,176
Tue 30/1205:45YHM - LHR
1 stop26h 05mWestJet
Thu 8/114:50LHR - YHM
1 stop27h 32mWestJet
Deal found 20/11£1,186
Tue 30/1205:45YHM - LHR
1 stop26h 05mWestJet
Wed 31/1214:50LHR - YHM
1 stop31h 27mWestJet
Deal found 19/11£1,264
Tue 23/1205:45YHM - LHR
1 stop26h 05mWestJet
Tue 6/114:50LHR - YHM
1 stop31h 27mWestJet
Deal found 19/11£1,376
Tue 30/1205:45YHM - LHR
1 stop26h 05mWestJet
Thu 1/114:50LHR - YHM
1 stop27h 32mWestJet
Deal found 19/11£1,438
Tue 23/1205:45YHM - LHR
1 stop26h 05mWestJet
Sun 28/1214:50LHR - YHM
1 stop31h 27mWestJet
Deal found 20/11£1,545
Tue 23/1205:45YHM - LHR
1 stop26h 05mWestJet
Sat 27/1214:50LHR - YHM
1 stop31h 27mWestJet
Deal found 19/11£1,555

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 21 November 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

Thu 22/1

08:15-12:50

2 stops23h 35m

London Heathrow

Thu 29/1

14:50-13:22

1 stop27h 32m

£501

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 27/1

05:45-12:50

1 stop26h 05m

London Heathrow

Tue 10/2

14:50-17:16

1 stop31h 26m

£598

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 13/1

05:45-12:50

1 stop26h 05m

London Heathrow

Tue 27/1

08:55-17:17

2 stops37h 22m

£616

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Wed 4/2

18:10-16:35

2 stops41h 25m

London Heathrow

Sat 7/2

14:50-17:16

1 stop31h 26m

£620

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 3/2

05:50-12:50

1 stop26h 00m

London Heathrow

Tue 10/2

14:50-17:16

1 stop31h 26m

£630

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Fri 9/1

14:35-12:50

1 stop17h 15m

London Heathrow

Sun 18/1

14:50-22:30

1 stop36h 40m

£642

HamiltonLondon

YHM - LGW

YHMLGW

Hamilton

Fri 9/1

07:00-10:00

1 stop22h 00m

London Gatwick

Sun 18/1

08:30-22:30

2 stops43h 00m

£644

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Sun 30/11

14:35-12:50

1 stop17h 15m

London Heathrow

Sun 7/12

14:50-17:17

1 stop31h 27m

£646

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Tue 3/3

05:50-12:50

1 stop26h 00m

London Heathrow

Sun 8/3

14:50-17:16

1 stop30h 26m

£655

HamiltonLondon

YHM - LGW

YHMLGW

Hamilton

Thu 22/1

07:25-10:00

2 stops21h 35m

London Gatwick

Thu 29/1

14:00-14:20

1 stop29h 20m

£666

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 34 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 14 November 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, March is the cheapest month in which you can book a flight from Hamilton, Ontario to London (average of £313). Flying from Hamilton, Ontario to London in July is currently the most expensive (average of £456). 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.

How much does it cost for a return flight from Hamilton, Ontario to London?

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 £340.

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 26h 05m. WestJet provides one of the quickest options available for as low as £598. Airlines will cover a distance of 3577 mi.

  • 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, March is the cheapest month in which you can book a flight from Hamilton, Ontario to London (average of £313). Flying from Hamilton, Ontario to London in July is currently the most expensive (average of £456). 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

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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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