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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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
16 Jun — 23 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to London are usually found in October or February, booked 90 days in advance, depart on a Sunday or Friday 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 17 May 2026.

Thu 4/68:45 p.m.
YYZ
-
LHR
1 stop18h 35m
Icelandair
Tue 9/69:25 p.m.
LHR
-
YYZ
1 stop29h 40m
Icelandair
Deal found 12/5C$ 801
Fri 22/511:05 p.m.
YYZ
-
LTN
1 stop13h 20m
Multiple Airlines
Tue 2/69:40 a.m.
LTN
-
YYZ
1 stop11h 10m
Multiple Airlines
Deal found 11/5C$ 801
Thu 3/911:45 p.m.
YYZ
-
SEN
1 stop14h 50m
Multiple Airlines
Mon 14/94:55 p.m.
SEN
-
YYZ
1 stop29h 15m
Multiple Airlines
Deal found 16/5C$ 801
Thu 28/57:50 p.m.
YYZ
-
LGW
Nonstop7h 05m
Air Transat
Tue 16/612:40 p.m.
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Deal found 15/5C$ 801
Tue 15/99:55 p.m.
YYZ
-
STN
1 stop10h 30m
Multiple Airlines
Wed 30/98:30 a.m.
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 16/5C$ 801
Thu 4/68:45 p.m.
YYZ
-
LHR
1 stop18h 35m
Icelandair
Thu 11/61:05 p.m.
LHR
-
YYZ
1 stop14h 00m
Icelandair
Deal found 12/5C$ 803
Thu 8/1011:55 p.m.
YYZ
-
LTN
1 stop11h 50m
Multiple Airlines
Mon 12/108:15 a.m.
LTN
-
YYZ
1 stop12h 35m
Multiple Airlines
Deal found 14/5C$ 803
Sun 31/510:45 p.m.
YYZ
-
LGW
Nonstop7h 00m
Air Transat
Tue 9/612:40 p.m.
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Deal found 13/5C$ 803
Tue 1/99:55 p.m.
YYZ
-
STN
1 stop19h 45m
Multiple Airlines
Sat 19/96:35 a.m.
STN
-
YYZ
1 stop14h 15m
Multiple Airlines
Deal found 12/5C$ 803
Wed 23/911:10 p.m.
YYZ
-
LHR
1 stop16h 10m
Icelandair
Wed 30/99:25 p.m.
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 16/5C$ 804
Tue 19/57:15 p.m.
YYZ
-
LTN
1 stop22h 35m
Multiple Airlines
Tue 26/55:45 p.m.
LTN
-
YYZ
1 stop22h 15m
Multiple Airlines
Deal found 16/5C$ 804
Sat 30/511:15 p.m.
YYZ
-
LGW
1 stop29h 35m
Air Transat
Thu 18/69:40 a.m.
LGW
-
YYZ
Nonstop8h 05m
Air Transat
Deal found 15/5C$ 804

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 May 2026.

Round-trip from

C$ 801

One-way from

C$ 400

Popular in

December

Cheapest in

October

Average price

C$ 861
Icelandair
  • Icelandair
  • 4/6-9/6
  • 2 total stops
  • 48h 15m total
  • Niagara Falls to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 30/9
  • 1 total stop
  • 13h 50m total
  • Niagara Falls to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 41 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 May 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 May 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

Thu 3/9

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

1 stop14h 50m

London Southend

Mon 14/9

4:55 p.m.-5:10 p.m.

1 stop29h 15m

C$ 801
Quickest round-trip

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 13/6

7:50 p.m.-7:55 a.m.

Nonstop7h 05m

London Gatwick

Sun 14/6

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

Nonstop8h 00m

C$ 803

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Sat 30/5

7:15 p.m.-9:00 p.m.

1 stop20h 45m

London Luton

Wed 17/6

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

1 stop24h 30m

C$ 823

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Mon 14/9

7:15 p.m.-5:10 p.m.

1 stop16h 55m

London Luton

Mon 28/9

7:25 p.m.-11:00 a.m.

1 stop20h 35m

C$ 825

TorontoLondon

YYZ - SEN

YYZSEN

Toronto Pearson Intl

Thu 10/9

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

1 stop14h 50m

London Southend

Wed 30/9

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

1 stop29h 20m

C$ 825

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Tue 15/9

7:15 p.m.-6:30 p.m.

1 stop18h 15m

London Luton

Fri 25/9

7:05 p.m.-11:00 a.m.

1 stop20h 55m

C$ 840

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 24/6

10:10 p.m.-1:20 a.m.

2 stops22h 10m

London Luton

Wed 16/9

6:15 a.m.-1:20 p.m.

1 stop12h 05m

C$ 863

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 19/6

7:15 p.m.-4:20 p.m.

1 stop16h 05m

London Luton

Mon 6/7

7:25 p.m.-11:00 a.m.

1 stop20h 35m

C$ 883

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 1/6

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

Nonstop7h 15m

London Heathrow

Tue 9/6

11:45 a.m.-7:55 p.m.

1 stop13h 10m

C$ 888

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 16/9

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

Nonstop7h 15m

London Heathrow

Wed 23/9

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

Nonstop7h 50m

C$ 902

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/5

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 17 May 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 May 2026.

The most flights from NI4 to LON are scheduled on a Friday (48 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (27 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 May 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
439 reviews
Check prices

Crew

8.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

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
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

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
7.8
Good
552 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

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
11,047 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

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
8,004 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

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
7,981 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

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 05m. Air Transat provides one of the quickest options available for as low as C$ 803. 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 WestJet (C$ 312), TAP AIR PORTUGAL (C$ 316), and Air Transat (C$ 329).

  • 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 (89%), Air France (89%) or Delta (89%) 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$ 528. On average you can expect to pay C$ 2,237. The most popular route, (Toronto Pearson Intl - London Heathrow), can usually be booked for C$ 740.

  • 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
Slough
Marlow
Cobham
Watford
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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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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 217AverageC$ 627FlexibilityNo cancel feeOn-time60%
Search WestJet flights
TAP AIR PORTUGALCheapestC$ 597AverageC$ 826FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 599AverageC$ 866FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
IcelandairCheapestC$ 632AverageC$ 750FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapestC$ 676AverageC$ 928FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 707AverageC$ 1,048FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 717AverageC$ 926FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapestC$ 738AverageC$ 884FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapestC$ 744AverageC$ 1,017FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 750AverageC$ 1,038FlexibilityNo 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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