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Cheap flights from Niagara Falls, ON to London from C$ 419

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
29 Mar — 5 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to London are usually found in May or February, booked 67 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 27 February 2026.

Sat 18/48:45 p.m.
YYZ
-
LHR
1 stop10h 10m
Icelandair
Sat 25/49:25 p.m.
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 23/2C$ 703
Fri 22/510:05 p.m.
YYZ
-
STN
1 stop20h 00m
Multiple Airlines
Wed 27/510:00 p.m.
STN
-
YYZ
2 stops28h 45m
Multiple Airlines
Deal found 23/2C$ 703
Tue 9/68:45 p.m.
YYZ
-
LTN
2 stops20h 25m
Multiple Airlines
Tue 16/69:40 a.m.
LTN
-
YYZ
2 stops14h 30m
Multiple Airlines
Deal found 23/2C$ 704
Sat 7/39:35 p.m.
YYZ
-
LGW
Nonstop7h 10m
Multiple Airlines
Fri 13/39:35 p.m.
LGW
-
YYZ
1 stop20h 40m
Multiple Airlines
Deal found 23/2C$ 704
Wed 1/411:10 p.m.
YYZ
-
LHR
1 stop31h 45m
Icelandair
Thu 23/41:05 p.m.
LHR
-
YYZ
1 stop11h 05m
Icelandair
Deal found 24/2C$ 706
Tue 5/57:10 p.m.
YYZ
-
LGW
1 stop9h 40m
Air Transat
Sat 16/512:40 p.m.
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Deal found 25/2C$ 706
Wed 6/56:15 p.m.
YYZ
-
STN
2 stops12h 20m
Multiple Airlines
Mon 18/510:45 p.m.
STN
-
YYZ
1 stop19h 35m
Multiple Airlines
Deal found 24/2C$ 706
Mon 6/411:10 p.m.
YYZ
-
LHR
1 stop31h 45m
Icelandair
Wed 29/49:25 p.m.
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 26/2C$ 707
Tue 21/48:45 p.m.
YYZ
-
LTN
2 stops13h 45m
Multiple Airlines
Tue 28/49:40 a.m.
LTN
-
YYZ
2 stops14h 30m
Multiple Airlines
Deal found 26/2C$ 707
Sat 7/39:35 p.m.
YYZ
-
LGW
Nonstop7h 10m
Air Transat
Sun 15/311:40 a.m.
LGW
-
YYZ
Nonstop8h 20m
Air Transat
Deal found 23/2C$ 707
Tue 21/48:45 p.m.
YYZ
-
STN
2 stops15h 50m
Multiple Airlines
Tue 28/46:30 a.m.
STN
-
YYZ
2 stops17h 40m
Multiple Airlines
Deal found 26/2C$ 707
Tue 7/48:45 p.m.
YYZ
-
LHR
1 stop10h 10m
Icelandair
Tue 21/49:25 p.m.
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 25/2C$ 709

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 27 February 2026.

Round-trip from

C$ 703

One-way from

C$ 419

Popular in

December

Cheapest in

May

Average price

C$ 748
Icelandair
  • Icelandair
  • 18/4-25/4
  • 2 total stops
  • 36h 55m total
  • Niagara Falls to London
Search Deals
7/6
  • 7/6
  • 1 total stop
  • 16h 45m total
  • Niagara Falls to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 27 February 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

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 28/4

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

Nonstop7h 10m

London Gatwick

Mon 18/5

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

Nonstop8h 00m

C$ 741

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 5/5

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

1 stop10h 40m

London Gatwick

Mon 18/5

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

Nonstop8h 00m

C$ 745

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 29/4

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

Nonstop7h 10m

London Gatwick

Fri 15/5

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

Nonstop8h 00m

C$ 841

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 17/4

8:25 p.m.-12:50 a.m.

1 stop23h 25m

London Luton

Fri 8/5

5:25 p.m.-4:45 p.m.

1 stop28h 20m

C$ 855

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 29/4

10:45 a.m.-6:55 a.m.

2 stops15h 10m

London Heathrow

Mon 4/5

12:15 p.m.-7:02 p.m.

1 stop11h 47m

C$ 862

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 11/4

7:43 p.m.-6:55 a.m.

1 stop30h 12m

London Heathrow

Sat 18/4

12:15 p.m.-9:35 p.m.

2 stops14h 20m

C$ 863

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 1/5

8:25 p.m.-12:50 a.m.

1 stop23h 25m

London Luton

Sat 9/5

6:40 a.m.-4:45 p.m.

1 stop15h 05m

C$ 864

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Mon 4/5

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

1 stop17h 00m

London Luton

Tue 12/5

9:30 a.m.-5:10 p.m.

1 stop12h 40m

C$ 867

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 19/5

5:35 p.m.-12:45 p.m.

1 stop14h 10m

London Heathrow

Tue 2/6

6:45 p.m.-2:00 p.m.

1 stop24h 15m

C$ 873

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 10/4

11:05 p.m.-11:10 a.m.

Nonstop7h 05m

London Heathrow

Fri 17/4

12:50 p.m.-9:15 p.m.

1 stop13h 25m

C$ 878

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/2

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 20 February 2026.

The best time to book flights from Niagara Falls to London is 67 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, March is the cheapest month in which you can book a flight from Niagara Falls to London (average of C$ 600). 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 27 February 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 27 February 2026.

The most flights from NI4 to LON are scheduled on a Wednesday (41 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 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 27 February 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
419 reviews
Check prices

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
419 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Transat
7.7
Good
514 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,752 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Lufthansa
6.8
Okay
7,816 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
British Airways
6.7
Okay
7,772 reviews
Porter Airlines
8.0
Very good
419 reviews
Check prices

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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$ 741. 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 Air Transat (C$ 307), WestJet (C$ 313), 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 City.

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

    Consider American Airlines (64%), Aer Lingus (64%) or Finnair (64%) 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$ 510. On average you can expect to pay C$ 2,096. The most popular route, (Toronto Pearson Intl - London Heathrow), can usually be booked for C$ 636.

  • 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, March is the cheapest month in which you can book a flight from Niagara Falls to London (average of C$ 600). 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
Sutton
Twickenham
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 Exeter 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 27 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 217AverageC$ 585FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 424AverageC$ 925FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
WestJet EncoreCheapestC$ 546AverageC$ 696FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
Air TransatCheapestC$ 572AverageC$ 862FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 594AverageC$ 767FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 614AverageC$ 812FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
IcelandairCheapestC$ 640AverageC$ 765FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
American AirlinesCheapestC$ 701AverageC$ 905FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapestC$ 704AverageC$ 879FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapestC$ 707AverageC$ 859FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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