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Cheap flights from Niagara Falls, ON to London from C$ 389

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
16 Jul — 23 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to London are usually found in February or October, booked 88 days in advance, depart on a Sunday or Tuesday 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 16 June 2026.

Wed 23/98:45 p.m.
YYZ
-
LHR
1 stop10h 10m
Icelandair
Fri 2/101:05 p.m.
LHR
-
YYZ
1 stop14h 00m
Icelandair
Deal found 13/6C$ 804
Mon 22/611:55 p.m.
YYZ
-
LTN
1 stop17h 55m
Multiple Airlines
Fri 26/66:20 a.m.
LTN
-
YYZ
1 stop14h 30m
Multiple Airlines
Deal found 14/6C$ 804
Sun 6/96:10 p.m.
YYZ
-
LGW
1 stop10h 40m
Air Transat
Sat 19/912:40 p.m.
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Deal found 15/6C$ 804
Wed 29/79:55 p.m.
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Wed 5/89:55 a.m.
STN
-
YYZ
1 stop32h 45m
Multiple Airlines
Deal found 14/6C$ 804
Thu 8/1011:45 p.m.
YYZ
-
LHR
1 stop18h 10m
TAP AIR PORTUGAL
Mon 12/107:50 p.m.
LHR
-
YYZ
1 stop23h 10m
TAP AIR PORTUGAL
Deal found 12/6C$ 805
Mon 6/77:15 p.m.
YYZ
-
LTN
1 stop20h 40m
Multiple Airlines
Mon 13/77:25 p.m.
LTN
-
YYZ
1 stop20h 35m
Multiple Airlines
Deal found 13/6C$ 805
Mon 15/67:50 p.m.
YYZ
-
LGW
Nonstop7h 05m
Porter Airlines
Mon 29/611:35 a.m.
LGW
-
YYZ
1 stop12h 03m
Porter Airlines
Deal found 12/6C$ 805
Mon 15/610:55 p.m.
YYZ
-
STN
1 stop19h 25m
Multiple Airlines
Mon 22/66:30 a.m.
STN
-
YYZ
2 stops13h 30m
Multiple Airlines
Deal found 14/6C$ 805
Fri 25/98:45 p.m.
YYZ
-
LHR
1 stop10h 10m
Icelandair
Sun 4/109:25 p.m.
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 11/6C$ 806
Tue 16/67:15 p.m.
YYZ
-
LTN
2 stops14h 20m
Multiple Airlines
Tue 23/69:40 a.m.
LTN
-
YYZ
1 stop11h 10m
Multiple Airlines
Deal found 11/6C$ 806
Sun 6/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Wed 16/94:50 p.m.
SEN
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 12/6C$ 806
Tue 16/610:45 p.m.
YYZ
-
LGW
Nonstop7h 00m
Porter Airlines
Wed 24/611:35 a.m.
LGW
-
YYZ
1 stop12h 03m
Porter Airlines
Deal found 11/6C$ 806

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 16 June 2026.

Round-trip from

C$ 804

One-way from

C$ 389

Popular in

December

Cheapest in

February

Average price

C$ 1,071
Icelandair
  • Icelandair
  • 23/9-2/10
  • 2 total stops
  • 24h 10m total
  • Niagara Falls to London
Search Deals
17/8
  • 17/8
  • 1 total stop
  • 18h 55m total
  • Niagara Falls to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 26 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 June 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 16 June 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 - SEN

YYZSEN

Toronto Pearson Intl

Sun 6/9

11:45 p.m.-7:35 p.m.

1 stop14h 50m

London Southend

Wed 16/9

4:50 p.m.-5:10 p.m.

1 stop29h 20m

C$ 806

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 22/7

7:15 p.m.-10:35 a.m.

1 stop10h 20m

London Luton

Sun 2/8

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

1 stop21h 55m

C$ 809

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 22/7

7:15 p.m.-10:35 a.m.

1 stop10h 20m

London Luton

Wed 5/8

7:50 p.m.-11:00 a.m.

1 stop20h 10m

C$ 811

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Mon 20/7

7:15 p.m.-8:55 p.m.

1 stop20h 40m

London Luton

Sun 2/8

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

1 stop21h 55m

C$ 813

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Tue 14/7

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

1 stop22h 35m

London Luton

Wed 22/7

3:30 p.m.-11:00 a.m.

1 stop24h 30m

C$ 818

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Sat 18/7

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

1 stop10h 05m

London Luton

Sun 2/8

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

1 stop21h 55m

C$ 822

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 1/10

11:10 p.m.-8:20 p.m.

1 stop16h 10m

London Heathrow

Mon 12/10

9:25 p.m.-7:10 p.m.

1 stop26h 45m

C$ 827

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 20/9

11:10 p.m.-8:20 p.m.

1 stop16h 10m

London Heathrow

Sat 26/9

9:25 p.m.-10:05 p.m.

1 stop29h 40m

C$ 847

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 30/6

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

Nonstop7h 15m

London Heathrow

Thu 3/9

5:50 p.m.-8:40 p.m.

Nonstop7h 50m

C$ 894

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 10/11

6:45 p.m.-3:45 p.m.

1 stop16h 00m

London Gatwick

Tue 24/11

10:00 a.m.-4:25 p.m.

1 stop11h 25m

C$ 901

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 16 June 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 16 June 2026.

The most flights from NI4 to LON are scheduled on a Tuesday (48 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 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 16 June 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
438 reviews
Check prices

Crew

8.6

Entertainment

6.9

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Entertainment

6.9

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
555 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Entertainment

6.9

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,197 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Entertainment

6.9

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Lufthansa
6.8
Okay
8,066 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Entertainment

6.9

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
British Airways
6.7
Okay
8,051 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Crew

8.6

Entertainment

6.9

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 15m. Icelandair provides one of the quickest options available for as low as C$ 894. The distance from Niagara Falls to London is about 5702 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$ 278), TAP AIR PORTUGAL (C$ 321), and Air Transat (C$ 335).

  • 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 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$ 527. On average you can expect to pay C$ 2,239. The most popular route, (Toronto Pearson Intl - London Heathrow), can usually be booked for C$ 728.

  • 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
Hounslow
Slough
Marlow
Cobham
Watford
Luton
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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Region of Waterloo Intl to Gatwick 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 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 114AverageC$ 638FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 537AverageC$ 972FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
TAP AIR PORTUGALCheapestC$ 607AverageC$ 840FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 643AverageC$ 763FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapestC$ 696AverageC$ 953FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 719AverageC$ 1,086FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 735AverageC$ 1,028FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapestC$ 750AverageC$ 906FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapestC$ 760AverageC$ 1,036FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 763AverageC$ 1,079FlexibilityNo 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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