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Cheap flights from Toronto Region of Waterloo Intl Airport to the United Kingdom from C$ 415

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — LHR
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Region of Waterloo Intl to United Kingdom

Enter your travel dates to find the best prices.

Cheapest flights from Region of Waterloo Intl to United Kingdom
Explore the most affordable flight options available from Region of Waterloo Intl to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2026.

Tue 11/84:05 p.m.
YKF
-
LGW
2 stops14h 00m
Multiple Airlines
Tue 18/810:45 a.m.
LGW
-
YKF
1 stop12h 35m
Multiple Airlines
Deal found 27/6C$ 981
Tue 11/84:05 p.m.
YKF
-
LGW
2 stops14h 00m
Multiple Airlines
Tue 15/910:45 a.m.
LGW
-
YKF
1 stop12h 35m
Multiple Airlines
Deal found 26/6C$ 996
Sat 12/94:05 p.m.
YKF
-
LGW
1 stop12h 20m
Multiple Airlines
Sun 20/910:45 a.m.
LGW
-
YKF
1 stop12h 35m
Multiple Airlines
Deal found 1/7C$ 1,016
Sat 8/84:05 p.m.
YKF
-
LGW
1 stop12h 20m
Multiple Airlines
Mon 17/86:00 a.m.
LGW
-
YKF
2 stops38h 20m
Multiple Airlines
Deal found 29/6C$ 1,085
Sat 8/84:05 p.m.
YKF
-
LGW
1 stop12h 20m
Multiple Airlines
Thu 27/810:45 a.m.
LGW
-
YKF
1 stop12h 35m
Multiple Airlines
Deal found 29/6C$ 1,171
Sat 15/84:05 p.m.
YKF
-
LGW
1 stop12h 20m
Multiple Airlines
Sun 23/810:45 a.m.
LGW
-
YKF
1 stop12h 35m
Multiple Airlines
Deal found 26/6C$ 1,191
Sat 15/84:05 p.m.
YKF
-
LGW
1 stop12h 20m
Multiple Airlines
Sat 22/86:00 p.m.
LGW
-
YKF
2 stops29h 20m
Multiple Airlines
Deal found 1/7C$ 1,211
Sat 15/84:05 p.m.
YKF
-
LGW
1 stop12h 20m
Multiple Airlines
Sun 6/910:45 a.m.
LGW
-
YKF
1 stop12h 35m
Multiple Airlines
Deal found 26/6C$ 1,218
Tue 14/74:05 p.m.
YKF
-
LGW
2 stops14h 00m
Multiple Airlines
Sat 18/76:00 a.m.
LGW
-
YKF
2 stops17h 20m
Multiple Airlines
Deal found 27/6C$ 1,339

Find flight deals from Region of Waterloo Intl to United Kingdom

Keep the following information in mind while searching for Region of Waterloo Intl to United Kingdom flight deals. Data was last updated 1 July 2026.

Round-trip from

C$ 981

One-way from

C$ 415

Popular in

July

Cheapest in

February

Average price

C$ 1,211
11/8-18/8
  • 11/8-18/8
  • 3 total stops
  • 26h 35m total
  • Toronto to United Kingdom
Search Deals
18/8
  • 18/8
  • 2 total stops
  • 14h 00m total
  • Toronto to United Kingdom
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Region of Waterloo Intl to United Kingdom 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 629,999 searches. Data last updated 1 July 2026.
Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Tue 11/8

4:05 p.m.-11:05 a.m.

2 stops14h 00m

London Gatwick

Tue 18/8

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 981

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Tue 11/8

4:05 p.m.-11:05 a.m.

2 stops14h 00m

London Gatwick

Tue 15/9

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 996
Quickest round-trip

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 12/9

4:05 p.m.-9:25 a.m.

1 stop12h 20m

London Gatwick

Sun 20/9

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,016

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 8/8

4:05 p.m.-9:25 a.m.

1 stop12h 20m

London Gatwick

Mon 17/8

6:00 a.m.-3:20 p.m.

2 stops38h 20m

C$ 1,085

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 8/8

4:05 p.m.-9:25 a.m.

1 stop12h 20m

London Gatwick

Thu 27/8

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,171

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 15/8

4:05 p.m.-9:25 a.m.

1 stop12h 20m

London Gatwick

Sun 23/8

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,191

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 15/8

4:05 p.m.-9:25 a.m.

1 stop12h 20m

London Gatwick

Sat 22/8

6:00 p.m.-6:20 p.m.

2 stops29h 20m

C$ 1,211

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 15/8

4:05 p.m.-9:25 a.m.

1 stop12h 20m

London Gatwick

Sun 6/9

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,218

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Tue 14/7

4:05 p.m.-11:05 a.m.

2 stops14h 00m

London Gatwick

Sat 18/7

6:00 a.m.-6:20 p.m.

2 stops17h 20m

C$ 1,339
Cheapest one-way

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Tue 4/8

4:05 p.m.-11:05 a.m.

2 stops14h 00m

C$ 421

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 19 resultsSorted by cheapest first
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Best time to book a flight from Region of Waterloo Intl to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Region of Waterloo Intl with our price prediction graph.
Estimated round-trip 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 Toronto Region of Waterloo Intl Airport to the United Kingdom
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Region of Waterloo Intl to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Region of Waterloo Intl to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Region of Waterloo Intl to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Region of Waterloo Intl to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Region of Waterloo Intl to United Kingdom.

  • Can I find deals for business class flights from Region of Waterloo Intl to United Kingdom?

    Yes. Cheapflights offers flight deals from Region of Waterloo Intl to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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