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Cheap flights from Niagara Falls, ON to London from C$ 400

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to London are usually found in May or October, booked 66 days in advance, depart on a Sunday or Friday and return on a Friday

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 17 March 2026.

Wed 10/610:05 p.m.
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Mon 15/68:30 a.m.
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 15/3C$ 711
Mon 6/411:10 p.m.
YYZ
-
LHR
1 stop31h 45m
Icelandair
Thu 30/41:05 p.m.
LHR
-
YYZ
1 stop14h 00m
Icelandair
Deal found 12/3C$ 720
Mon 13/411:10 p.m.
YYZ
-
LGW
1 stop10h 30m
Icelandair
Mon 20/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 15/3C$ 720
Mon 4/54:15 p.m.
YYZ
-
LHR
1 stop10h 35m
American Airlines
Fri 15/512:30 p.m.
LHR
-
YYZ
1 stop14h 06m
American Airlines
Deal found 15/3C$ 722
Tue 9/68:45 p.m.
YYZ
-
STN
2 stops20h 35m
Multiple Airlines
Tue 16/611:35 a.m.
STN
-
YYZ
2 stops12h 35m
Multiple Airlines
Deal found 12/3C$ 722
Wed 15/411:10 p.m.
YYZ
-
LGW
1 stop10h 30m
Icelandair
Wed 22/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 14/3C$ 723
Mon 13/48:45 p.m.
YYZ
-
LHR
1 stop18h 35m
Icelandair
Sun 26/49:25 p.m.
LHR
-
YYZ
1 stop29h 40m
Icelandair
Deal found 12/3C$ 724
Sun 19/48:45 p.m.
YYZ
-
LGW
1 stop12h 55m
Icelandair
Tue 28/43:40 p.m.
LGW
-
YYZ
1 stop32h 30m
Icelandair
Deal found 14/3C$ 724
Mon 13/48:45 p.m.
YYZ
-
LHR
1 stop18h 35m
Icelandair
Fri 24/49:25 p.m.
LHR
-
YYZ
1 stop29h 40m
Icelandair
Deal found 12/3C$ 726
Tue 9/68:45 p.m.
YYZ
-
LTN
2 stops13h 45m
Multiple Airlines
Tue 16/69:40 a.m.
LTN
-
YYZ
2 stops17h 25m
Multiple Airlines
Deal found 12/3C$ 726
Mon 18/511:10 p.m.
YYZ
-
LGW
2 stops15h 55m
Multiple Airlines
Thu 28/511:05 a.m.
LGW
-
YYZ
2 stops13h 05m
Multiple Airlines
Deal found 11/3C$ 726
Wed 1/410:00 p.m.
YYZ
-
STN
1 stop20h 20m
Multiple Airlines
Mon 20/46:30 a.m.
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Deal found 14/3C$ 726

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 17 March 2026.

Round-trip from

C$ 711

One-way from

C$ 400

Popular in

December

Cheapest in

May

Average price

C$ 823
10/6-15/6
  • 10/6-15/6
  • 2 total stops
  • 29h 45m total
  • Niagara Falls to London
Search Deals
22/5
  • 22/5
  • 2 total stops
  • 18h 15m total
  • Niagara Falls to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 17 March 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 - LGW

YYZLGW

Toronto Pearson Intl

Sun 5/4

10:35 p.m.-10:45 a.m.

Nonstop7h 10m

London Gatwick

Wed 22/4

12:40 p.m.-4:00 p.m.

Nonstop8h 20m

C$ 817

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 16/4

11:10 p.m.-2:40 p.m.

1 stop10h 30m

London Gatwick

Tue 28/4

1:00 p.m.-7:10 p.m.

1 stop11h 10m

C$ 827

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 20/4

10:35 p.m.-10:45 a.m.

Nonstop7h 10m

London Gatwick

Sun 3/5

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

Nonstop8h 00m

C$ 864

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 16/5

7:15 p.m.-10:40 p.m.

1 stop22h 25m

London Gatwick

Mon 25/5

9:45 p.m.-11:00 a.m.

1 stop18h 15m

C$ 871

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Mon 1/6

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

1 stop21h 50m

London Luton

Tue 16/6

5:45 p.m.-11:00 a.m.

1 stop22h 15m

C$ 872
Quickest round-trip

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 1/6

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

Nonstop7h 15m

London Heathrow

Sun 14/6

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

Nonstop7h 50m

C$ 886

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 6/5

6:30 p.m.-6:35 a.m.

Nonstop7h 05m

London Heathrow

Wed 27/5

12:40 p.m.-6:29 p.m.

1 stop10h 49m

C$ 886

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 8/6

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

Nonstop7h 15m

London Heathrow

Mon 22/6

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

Nonstop7h 50m

C$ 886

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 8/5

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

Nonstop7h 15m

London Heathrow

Thu 14/5

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

Nonstop7h 50m

C$ 886

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 25/5

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

Nonstop7h 15m

London Heathrow

Tue 9/6

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

Nonstop7h 50m

C$ 886

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

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

How far ahead should I book a flight from Niagara Falls to London?

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to London. Price data was last updated on 13 March 2026.

The best time to book flights from Niagara Falls to London is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Niagara Falls to London?

Currently, May is the cheapest month in which you can book a flight from Niagara Falls to London (average of C$ 642). Flying from Niagara Falls to London in July is currently the most expensive (average of C$ 815). 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 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 17 March 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 17 March 2026.

The most flights from NI4 to LON are scheduled on a Monday (40 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (29 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 17 March 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
424 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
424 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
521 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,811 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Lufthansa
6.8
Okay
7,858 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
British Airways
6.7
Okay
7,797 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 7h 10m. Air Transat provides one of the quickest options available for as low as C$ 817. 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$ 311), Air Transat (C$ 324), and TAP AIR PORTUGAL (C$ 324).

  • 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 American Airlines (78%), Aer Lingus (78%) or Finnair (78%) 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$ 525. On average you can expect to pay C$ 2,104. The most popular route, (Toronto Pearson Intl - London Heathrow), can usually be booked for C$ 731.

  • 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.

  • What is the cheapest month to book a flight from Niagara Falls to London?

    Currently, May is the cheapest month in which you can book a flight from Niagara Falls to London (average of C$ 642). Flying from Niagara Falls to London in July is currently the most expensive (average of C$ 815). 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?

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

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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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Pearson Intl to Gatwick flights
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Pierre Elliott Trudeau Intl to London City flights
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Pierre Elliott Trudeau Intl to Southend flights
Ottawa to Stansted flights
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Ottawa to London City flights
Ottawa to Gatwick flights
Toronto Island to Manchester flights
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Ottawa to Luton flights
Pearson Intl to Leeds flights
Ottawa to Edinburgh flights
Hamilton to Heathrow flights
Pearson Intl to Southampton flights
Pierre Elliott Trudeau Intl to Manchester flights
Toronto Island to London City flights
Pearson Intl to Liverpool flights
London to Heathrow flights
Pearson Intl to Bristol flights
Pearson Intl to Newcastle upon Tyne flights
Pierre Elliott Trudeau Intl to Birmingham flights
Pierre Elliott Trudeau Intl to Newcastle upon Tyne flights
Ottawa to Manchester flights
Hamilton to Edinburgh flights
Hamilton to Manchester flights
Hamilton to Gatwick flights
Pierre Elliott Trudeau Intl to Southampton flights
Region of Waterloo Intl to Gatwick flights
Windsor to London City flights
London to Gatwick flights
Pierre Elliott Trudeau Intl to Leeds flights

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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 217AverageC$ 592FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 425AverageC$ 904FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
WestJet EncoreCheapestC$ 546AverageC$ 697FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
Air TransatCheapestC$ 573AverageC$ 874FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 595AverageC$ 806FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 597AverageC$ 855FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
IcelandairCheapestC$ 641AverageC$ 754FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
American AirlinesCheapestC$ 702AverageC$ 895FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapestC$ 706AverageC$ 890FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 710AverageC$ 960FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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