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Cheap flights from London Heathrow Airport to Niagara Falls from £247

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYZ
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Niagara Falls are usually found in February or March, booked 41 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Heathrow to Niagara Falls

Keep the following information in mind while searching for Heathrow to Niagara Falls flight deals. Data was last updated 11 July 2025.

Round-trip from

£341

One-way from

£247

Popular in

August

Cheapest in

February

Average price

£542
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 11/9-28/9
  • 2 total stops
  • 32h 05m total
  • London to Niagara Falls
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5/10
  • 5/10
  • 2 total stops
  • 22h 40m total
  • London to Niagara Falls
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Heathrow to Niagara Falls

Cheapest flights from Heathrow to Niagara Falls
Explore the most affordable flight options available from Heathrow to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Thu 11/906:00LHR - YYZ
1 stop20h 20mTAP AIR PORTUGAL
Sun 28/917:35YYZ - LHR
1 stop11h 45mTAP AIR PORTUGAL
Deal found 10/7£341
Thu 30/1020:35LHR - YYZ
1 stop26h 40mIcelandair
Thu 4/1219:45YYZ - LHR
1 stop10h 05mIcelandair
Deal found 10/7£342
Thu 23/1006:00LHR - YYZ
1 stop15h 25mSWISS
Tue 28/1014:00YYZ - LHR
2 stops14h 05mSWISS
Deal found 9/7£343
Fri 5/912:05LHR - YYZ
Nonstop8h 10mAir Canada
Tue 9/906:30YYZ - LHR
1 stop9h 30mAir Canada
Deal found 9/7£344
Fri 26/907:30LHR - YYZ
1 stop13h 50mLufthansa
Wed 8/1018:20YYZ - LHR
1 stop13h 20mLufthansa
Deal found 10/7£347
Tue 23/917:50LHR - YYZ
Nonstop7h 50mAir France
Wed 8/1022:30YYZ - LHR
Nonstop7h 10mAir France
Deal found 10/7£350
Thu 11/917:50LHR - YYZ
Nonstop7h 50mVirgin Atlantic
Sun 21/922:30YYZ - LHR
Nonstop7h 10mVirgin Atlantic
Deal found 9/7£359
Wed 24/917:15LHR - YYZ
Nonstop7h 55mBritish Airways
Mon 6/1022:00YYZ - LHR
Nonstop7h 15mBritish Airways
Deal found 9/7£362
Wed 15/1008:40LHR - YYZ
1 stop12h 45mMultiple Airlines
Wed 22/1018:20YYZ - LHR
Nonstop7h 15mMultiple Airlines
Deal found 9/7£369
Mon 10/1112:40LHR - YYZ
Nonstop7h 55mDelta
Mon 24/1119:50YYZ - LHR
Nonstop7h 00mDelta
Deal found 10/7£375
Mon 10/1119:50LHR - YYZ
2 stops24h 50mScandinavian Airlines
Fri 21/1117:10YYZ - LHR
1 stop11h 10mScandinavian Airlines
Deal found 10/7£380

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Niagara Falls 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 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Niagara Falls that are best for you.

Fly from

Heathrow

Fly to

Niagara Falls

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 11/9

06:00-21:20

1 stop20h 20m

Toronto Pearson Intl

Sun 28/9

17:35-10:20

1 stop11h 45m

£341

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 5/9

12:05-15:15

Nonstop8h 10m

Toronto Pearson Intl

Tue 9/9

06:30-21:00

1 stop9h 30m

£344

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 26/9

07:30-16:20

1 stop13h 50m

Toronto Pearson Intl

Wed 8/10

18:20-12:40

1 stop13h 20m

£347

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 26/8

06:50-11:35

1 stop9h 45m

Toronto Pearson Intl

Sun 31/8

20:20-10:00

1 stop8h 40m

£349

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 23/9

17:50-20:40

Nonstop7h 50m

Toronto Pearson Intl

Wed 8/10

22:30-10:40

Nonstop7h 10m

£350

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 18/9

17:50-20:40

Nonstop7h 50m

Toronto Pearson Intl

Mon 22/9

22:30-10:40

Nonstop7h 10m

£358

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 9/9

13:05-19:10

1 stop11h 05m

Toronto Pearson Intl

Fri 19/9

20:50-11:55

1 stop10h 05m

£361

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 24/9

17:15-20:10

Nonstop7h 55m

Toronto Pearson Intl

Mon 6/10

22:00-10:15

Nonstop7h 15m

£362

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 3/9

17:50-20:40

Nonstop7h 50m

Toronto Pearson Intl

Mon 22/9

22:30-10:40

Nonstop7h 10m

£375

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 5/9

06:50-14:34

2 stops12h 44m

Toronto Pearson Intl

Tue 16/9

16:30-17:05

2 stops19h 35m

£384

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 13 results
1
2

Best time to book a flight from Heathrow to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Niagara Falls

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Niagara Falls. Price data was last updated on 27 June 2025.

Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Niagara Falls. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Niagara Falls (average of £490). Flying from London Heathrow Airport to Niagara Falls in July is currently the most expensive (average of £708). 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 LHR to NI4?

Find hourly flight availability from Heathrow to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

When flying from London Heathrow Airport to Niagara Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Niagara Falls. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Niagara Falls flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Niagara Falls

Explore weekly flight availability from Heathrow to Niagara Falls. 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 11 July 2025.

The most flights from LHR to NI4 are scheduled on a Thursday (39 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 on average).

How much does it cost for a return flight from London Heathrow Airport to Niagara Falls?

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated 11 July 2025.
Get a feel of what it's like to fly with Delta, Air France, andSWISS from London Heathrow Airport to Niagara Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
SWISS
7.5
Good
1,655 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Scandinavian Airlines
7.3
Good
1,419 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Before booking your flight to Niagara Falls from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Thai Airways (92%), Ethiopian Air (90%), Air Canada( 86%).

  • What are the cheapest flights from London Heathrow Airport to Niagara Falls?

    Looking for the cheapest flight from London Heathrow Airport to Niagara Falls? While on average our users pay £1,365, our data indicates the cheapest price to be £340. The most popular route (London Heathrow - Toronto Pearson Intl), is priced around £330.

  • Can I find deals for flights from Heathrow to Niagara Falls that include hotel bookings?

    Yes. In addition to deals on Heathrow to Niagara Falls flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Niagara Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Niagara Falls.

  • Can I find deals for business class flights from Heathrow to Niagara Falls?

    Yes. Cheapflights offers flight deals from Heathrow to Niagara Falls 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 London Heathrow Airport to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Niagara Falls (average of £490). Flying from London Heathrow Airport to Niagara Falls in July is currently the most expensive (average of £708). 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

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Alternative routes for Heathrow to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
London City to Pearson Intl flights
Heathrow to Toronto Island flights
Stansted to Pearson Intl flights
Luton to Pearson Intl flights
Gatwick to Toronto Island flights
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Southend to Pearson Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Gatwick to Ottawa flights
London City to Ottawa flights
Gatwick to London flights
Heathrow to Windsor flights
Stansted to Ottawa flights
Heathrow to London flights
London City to London flights
Heathrow to Thunder Bay flights
Stansted to London flights
Heathrow to Sarnia flights
Gatwick to Region of Waterloo Intl flights
London City to Thunder Bay flights
Gatwick to Thunder Bay flights
Heathrow to North Bay flights
Heathrow to Timmins flights

Top 10 airlines flying from Heathrow to Niagara Falls

Discover the top 10 airlines that operate flights from Heathrow to Niagara Falls. 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 858,174 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£274Average£352FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Aer LingusCheapest£288Average£503FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£295Average£490FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£302Average£493FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest£311Average£532FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£314Average£520FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£314Average£368FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£315Average£462FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
American AirlinesCheapest£317Average£597FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£327Average£472FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Niagara Falls?

When you search for this flight from Heathrow to Niagara Falls, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Niagara Falls?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Niagara Falls from Heathrow.

Can Cheapflights find flights from Heathrow to Niagara Falls with no change fees?

Certainly. Search results for flights to Niagara Falls from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Niagara Falls become cheaper?

Of course! You can now track prices for flights from Heathrow to Niagara Falls and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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