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Cheap flights from Niagara Falls to London from C$ 338

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Niagara Falls to London are usually found in February or May, booked 66 days in advance, depart on a Sunday or Friday and return on a Wednesday

Cheap 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 September 2025.

Round-trip from

C$ 715

One-way from

C$ 338

Popular in

December

Cheapest in

February

Average price

C$ 850
Icelandair
  • Icelandair
  • 16/10-21/10
  • 2 total stops
  • 58h 40m total
  • Niagara Falls to London
Search Deals
19/10
  • 19/10
  • 1 total stop
  • 16h 45m total
  • Niagara Falls to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Niagara Falls to London

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 September 2025.

Thu 16/1011:00 p.m.YYZ - LHR
1 stop31h 55mIcelandair
Wed 22/109:25 p.m.LHR - YYZ
1 stop26h 45mIcelandair
Deal found 16/9C$ 715
Wed 24/94:00 p.m.YYZ - LGW
1 stop12h 50mAir Transat
Thu 11/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 16/9C$ 715
Sat 25/1011:00 p.m.YYZ - LHR
1 stop31h 50mIcelandair
Thu 6/1112:15 p.m.LHR - YYZ
1 stop11h 00mIcelandair
Deal found 17/9C$ 717
Mon 6/104:00 p.m.YYZ - LGW
1 stop12h 50mAir Transat
Fri 10/1011:35 a.m.LGW - YYZ
1 stop10h 50mAir Transat
Deal found 17/9C$ 717
Wed 15/1010:10 p.m.YYZ - LTN
1 stop12h 15mMultiple Airlines
Mon 15/1211:45 a.m.LTN - YYZ
2 stops32h 35mMultiple Airlines
Deal found 16/9C$ 718
Thu 16/1011:00 p.m.YYZ - LHR
1 stop31h 55mIcelandair
Thu 23/109:25 p.m.LHR - YYZ
1 stop29h 30mIcelandair
Deal found 17/9C$ 718
Mon 6/1010:45 p.m.YYZ - LGW
Nonstop7h 00mAir Transat
Sat 13/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 16/9C$ 718
Wed 1/1010:15 p.m.YYZ - LGW
2 stops15h 10mMultiple Airlines
Fri 5/122:00 p.m.LGW - YYZ
1 stop15h 11mMultiple Airlines
Deal found 17/9C$ 719
Fri 14/117:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Wed 26/1111:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Deal found 15/9C$ 721
Wed 8/1011:00 p.m.YYZ - LHR
1 stop31h 55mIcelandair
Wed 15/109:25 p.m.LHR - YYZ
1 stop29h 30mIcelandair
Deal found 16/9C$ 722
Sat 22/119:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Wed 3/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 15/9C$ 722
Thu 23/1011:00 p.m.YYZ - LHR
1 stop31h 55mIcelandair
Thu 6/1112:15 p.m.LHR - YYZ
1 stop11h 00mIcelandair
Deal found 15/9C$ 724

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 September 2025.
Use the filters below to find and compare flights from Niagara Falls to London that are best for you.

Fly from

Niagara Falls

Fly to

London

Route

Depart

Return

Price

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 9/11

5:25 p.m.-11:05 a.m.

1 stop12h 40m

London Stansted

Tue 18/11

6:30 a.m.-3:55 p.m.

1 stop14h 25m

C$ 733

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 5/11

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Sun 16/11

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 736

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 18/11

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Mon 1/12

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 736

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 11/11

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Mon 17/11

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 736

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 10/11

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Sun 16/11

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 736

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 10/11

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Mon 17/11

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 736

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 11/11

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Sun 16/11

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 736

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 21/10

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

Nonstop7h 00m

London Gatwick

Fri 31/10

11:40 a.m.-4:00 p.m.

Nonstop8h 20m

C$ 736

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Thu 2/10

8:40 p.m.-11:05 a.m.

1 stop9h 25m

London Luton

Mon 6/10

9:55 p.m.-3:24 p.m.

2 stops22h 29m

C$ 744

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 14/2

7:40 p.m.-10:55 a.m.

1 stop10h 15m

London Gatwick

Mon 9/3

11:55 a.m.-7:15 p.m.

1 stop11h 20m

C$ 746

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 60 results
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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 12 September 2025.

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, January is the cheapest month in which you can book a flight from Niagara Falls to London (average of C$ 560). Flying from Niagara Falls to London in July is currently the most expensive (average of C$ 856). 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 September 2025.

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.

What is the cheapest day to fly from Niagara Falls to London?

Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to London. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Niagara Falls to London flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 2025.

The most flights from NI4 to LON are scheduled on a Monday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

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 September 2025.
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
7.9
Good
365 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
439 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Lufthansa
6.8
Okay
7,409 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
British Airways
6.7
Okay
7,367 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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$ 736. The distance from Niagara Falls to London is about 5734 km. All flights are typically direct.

  • 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 TAP AIR PORTUGAL (C$ 347), WestJet (C$ 403), and United Airlines (C$ 448).

  • 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 City.

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

    Consider KLM (87%), Air France (87%) or Delta (87%) 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$ 412. On average you can expect to pay C$ 2,087. The most popular route, (Toronto Pearson Intl - London Heathrow), can usually be booked for C$ 548.

  • 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, January is the cheapest month in which you can book a flight from Niagara Falls to London (average of C$ 560). Flying from Niagara Falls to London in July is currently the most expensive (average of C$ 856). 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
Brentford
Sutton
Hounslow
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

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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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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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 218AverageC$ 581FlexibilityNo cancel feeOn-time60%
Search WestJet flights
PLAYCheapestC$ 450AverageC$ 614FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
WestJet EncoreCheapestC$ 549AverageC$ 700FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
Air TransatCheapestC$ 575AverageC$ 844FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 598AverageC$ 710FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 626AverageC$ 786FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
IcelandairCheapestC$ 641AverageC$ 841FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 689AverageC$ 858FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapestC$ 697AverageC$ 871FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 705AverageC$ 943FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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