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Cheap flights from Niagara Falls, ON to London from C$ 353

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
19 Aug — 26 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to London are usually found in February or January, booked 90 days in advance, depart on a Sunday or Thursday and return on a Tuesday

Cheap flight deals from Niagara Falls to London

Enter your travel dates to find the best prices.

Cheapest flights from Niagara Falls to London
Explore the most affordable flight options available from Niagara Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 July 2026.

Wed 14/105:35 p.m.
YYZ
-
LHR
1 stop11h 45m
TAP AIR PORTUGAL
Mon 19/108:00 a.m.
LHR
-
YYZ
1 stop18h 05m
TAP AIR PORTUGAL
Deal found 19/7C$ 754
Mon 27/711:55 p.m.
YYZ
-
LTN
1 stop10h 50m
Multiple Airlines
Tue 18/89:40 a.m.
LTN
-
YYZ
1 stop11h 10m
Multiple Airlines
Deal found 15/7C$ 754
Sun 6/910:45 p.m.
YYZ
-
LGW
Nonstop7h 00m
Air Transat
Sat 12/911:35 a.m.
LGW
-
YYZ
1 stop25h 38m
Air Transat
Deal found 15/7C$ 754
Mon 17/87:15 p.m.
YYZ
-
STN
1 stop10h 45m
Multiple Airlines
Mon 24/86:30 a.m.
STN
-
YYZ
2 stops32h 30m
Multiple Airlines
Deal found 15/7C$ 754
Wed 11/117:40 p.m.
YYZ
-
LHR
1 stop18h 50m
Icelandair
Fri 20/1112:15 p.m.
LHR
-
YYZ
1 stop11h 00m
Icelandair
Deal found 15/7C$ 756
Tue 29/95:35 p.m.
YYZ
-
LTN
1 stop10h 40m
Multiple Airlines
Thu 15/109:25 a.m.
LTN
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 15/7C$ 756
Sun 6/911:55 p.m.
YYZ
-
LGW
1 stop15h 05m
Multiple Airlines
Thu 10/98:40 a.m.
LGW
-
YYZ
1 stop12h 10m
Multiple Airlines
Deal found 14/7C$ 756
Mon 27/711:55 p.m.
YYZ
-
STN
1 stop9h 15m
Multiple Airlines
Sun 23/86:35 a.m.
STN
-
YYZ
1 stop14h 15m
Multiple Airlines
Deal found 15/7C$ 756
Wed 23/910:00 p.m.
YYZ
-
LHR
Nonstop7h 15m
Aer Lingus
Sat 10/105:05 p.m.
LHR
-
YYZ
Nonstop8h 05m
Aer Lingus
Deal found 17/7C$ 757
Sat 8/85:35 p.m.
YYZ
-
LTN
1 stop9h 45m
Multiple Airlines
Thu 13/89:25 a.m.
LTN
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 14/7C$ 757
Fri 18/910:45 p.m.
YYZ
-
LGW
Nonstop7h 00m
Air Transat
Fri 9/1012:40 p.m.
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Deal found 19/7C$ 757
Tue 18/89:55 p.m.
YYZ
-
STN
1 stop19h 45m
Multiple Airlines
Tue 25/89:20 p.m.
STN
-
YYZ
3 stops29h 25m
Multiple Airlines
Deal found 16/7C$ 757

Find flight deals from Niagara Falls to London

Keep the following information in mind while searching for Niagara Falls to London flight deals. Data was last updated 20 July 2026.

Round-trip from

C$ 754

One-way from

C$ 353

Popular in

December

Cheapest in

February

Average price

C$ 1,176
18/9-23/9
  • 18/9-23/9
  • 2 total stops
  • 23h 40m total
  • Niagara Falls to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 1/10
  • 1 total stop
  • 9h 30m total
  • Niagara Falls to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 39 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 Niagara Falls 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 629,999 searches. Data last updated 20 July 2026.
Use the filters below to find and compare flights from Niagara Falls to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Mon 7/9

7:15 p.m.-10:05 p.m.

1 stop21h 50m

London Luton

Sun 13/9

6:05 p.m.-11:00 a.m.

1 stop21h 55m

C$ 774

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 7/10

6:20 p.m.-12:35 p.m.

2 stops13h 15m

London Luton

Fri 16/10

6:20 a.m.-1:20 p.m.

1 stop12h 00m

C$ 781

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 13/9

6:10 p.m.-9:50 a.m.

1 stop10h 40m

London Gatwick

Tue 6/10

12:40 p.m.-3:40 p.m.

Nonstop8h 00m

C$ 785

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 23/9

9:30 p.m.-6:30 p.m.

1 stop16h 00m

London Luton

Sat 3/10

6:10 p.m.-2:40 p.m.

1 stop25h 30m

C$ 799

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Sun 6/9

7:15 p.m.-10:20 p.m.

1 stop22h 05m

London Luton

Sat 12/9

4:50 p.m.-11:00 a.m.

1 stop23h 10m

C$ 805

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Tue 25/8

7:15 p.m.-10:50 p.m.

1 stop22h 35m

London Luton

Sun 30/8

1:55 p.m.-11:00 a.m.

1 stop26h 05m

C$ 812

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 3/10

3:40 p.m.-9:50 a.m.

1 stop13h 10m

London Gatwick

Mon 19/10

12:40 p.m.-3:40 p.m.

Nonstop8h 00m

C$ 827

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 12/10

8:05 p.m.-1:00 p.m.

1 stop11h 55m

London Heathrow

Sat 24/10

8:05 p.m.-5:15 p.m.

1 stop26h 10m

C$ 897

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 24/9

10:55 p.m.-11:10 a.m.

Nonstop7h 15m

London Heathrow

Sun 4/10

5:45 p.m.-8:35 p.m.

Nonstop7h 50m

C$ 897

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 23/10

11:50 p.m.-11:50 a.m.

Nonstop7h 00m

London Heathrow

Thu 29/10

11:10 a.m.-3:25 p.m.

Nonstop8h 15m

C$ 899

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Niagara Falls to London

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

What is the cheapest time of day to fly from NI4 to LON?

Find hourly flight availability from Niagara Falls to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara Falls to London as you normally would.

Weekly flight availability from Niagara Falls to London

Explore weekly flight availability from Niagara Falls to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 20 July 2026.

The most flights from NI4 to LON are scheduled on a Monday (50 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (36 on average).

How much does it cost to fly round-trip from Niagara Falls to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 20 July 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAir Canada from Niagara Falls to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
447 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
447 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
566 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,360 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Lufthansa
6.8
Okay
8,147 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
British Airways
6.7
Okay
8,126 reviews
Porter Airlines
8.0
Very good
447 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

6.9

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Niagara Falls to London?

    A quick flight from Niagara Falls to London can take about 10h 40m. Air Transat provides one of the quickest options available for as low as C$ 785. The distance from Niagara Falls to London is about 5734 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Niagara Falls to London one-way?

    The cheapest airlines for a one-way flight from Niagara Falls to London are WestJet (C$ 261), TAP AIR PORTUGAL (C$ 322), and Air Transat (C$ 371).

  • What are the most popular routes from Niagara Falls to London?

    The most popular route from Niagara Falls to London is Toronto Pearson Intl - London Heathrow. You may also consider Toronto Pearson Intl - London Gatwick or Toronto Pearson Intl - London Stansted.

  • What are the most reliable airlines from Niagara Falls to London?

    Consider Singapore Airlines (87%), KLM (86%) or Air France (86%) when booking your flight. These represent the most reliable airlines when flying from Niagara Falls to London.

  • What are the cheapest flights from Niagara Falls to London?

    The cheapest flight price from Niagara Falls to London is C$ 524. On average you can expect to pay C$ 2,211. The most popular route, (Toronto Pearson Intl - London Heathrow), can usually be booked for C$ 503.

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

    Yes. In addition to deals on Niagara Falls to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Niagara Falls to London?

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

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

    Yes. Cheapflights offers flight deals from Niagara Falls 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Hounslow
Slough
Marlow
Cobham
Watford
High Wycombe

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Alternative routes for Niagara Falls to London

See prices for flight routes from nearby airports that may be better suited for you.
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London to Edinburgh flights
Pearson Intl to Bristol flights
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Top 10 airlines flying from Niagara Falls to London

Discover the top 10 airlines that operate flights from Niagara Falls to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapestC$ 603AverageC$ 980FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapestC$ 609AverageC$ 847FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 645AverageC$ 764FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapestC$ 701AverageC$ 955FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
British AirwaysCheapestC$ 734AverageC$ 1,008FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapestC$ 740AverageC$ 953FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 753AverageC$ 976FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
KLMCheapestC$ 757AverageC$ 931FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapestC$ 764AverageC$ 1,027FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 767AverageC$ 1,080FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from Niagara Falls to London?

Cheapflights makes it easy to find Niagara Falls to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

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

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

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

Yes! Start tracking prices for Niagara Falls to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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