Cheap flights from London Heathrow Airport to Niagara Falls from £253

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYZ
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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

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 12 September 2025.

Round-trip from

£346

One-way from

£253

Popular in

August

Cheapest in

February

Average price

£394
Air Canada
  • Air Canada
  • 26/9-29/10
  • Nonstop
  • 15h 15m total
  • London to Niagara Falls
17/9
  • 17/9
  • 2 total stops
  • 30h 40m total
  • London to Niagara Falls
Highest demand for flights based on searches. 9% potential increase in price (£33 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 12 September 2025.

Fri 26/909:30LHR - YYZ
1 stop11h 04mAir Canada
Wed 29/1006:15YYZ - LHR
1 stop10h 20mAir Canada
Deal found 11/9£346
Fri 10/1016:00LHR - YYZ
Nonstop7h 55mAir Canada
Fri 17/1023:35YYZ - LHR
Nonstop7h 15mAir Canada
Deal found 10/9£347
Fri 19/906:00LHR - YYZ
1 stop11h 50mAir Canada
Mon 6/1023:15YYZ - LHR
2 stops16h 45mAir Canada
Deal found 11/9£348
Fri 31/1009:00LHR - YYZ
1 stop10h 35mAir Canada
Fri 7/1123:00YYZ - LHR
Nonstop7h 20mAir Canada
Deal found 11/9£348
Thu 18/908:40LHR - YYZ
1 stop12h 45mAir Canada
Sat 4/1018:20YYZ - LHR
Nonstop7h 15mAir Canada
Deal found 10/9£349
Wed 24/906:00LHR - YYZ
1 stop12h 50mAir Canada
Tue 30/908:00YYZ - LHR
2 stops17h 30mAir Canada
Deal found 11/9£350
Fri 17/1012:40LHR - YYZ
1 stop11h 45mAir Canada
Fri 24/1016:00YYZ - LHR
1 stop9h 30mAir Canada
Deal found 11/9£351
Thu 18/912:40LHR - YYZ
1 stop10h 50mMultiple Airlines
Mon 22/917:00YYZ - LHR
1 stop11h 35mMultiple Airlines
Deal found 10/9£351
Tue 23/906:00LHR - YYZ
1 stop12h 50mAir Canada
Wed 1/1012:05YYZ - LHR
1 stop15h 30mAir Canada
Deal found 12/9£352
Wed 17/908:40LHR - YYZ
1 stop12h 45mAir Canada
Mon 20/1017:00YYZ - LHR
1 stop11h 35mAir Canada
Deal found 10/9£353
Wed 8/1006:00LHR - YYZ
1 stop12h 50mMultiple Airlines
Wed 15/1016:00YYZ - LHR
1 stop9h 30mMultiple Airlines
Deal found 10/9£354
Wed 12/1112:15LHR - YYZ
1 stop11h 00mIcelandair
Wed 19/1119:40YYZ - LHR
1 stop10h 10mIcelandair
Deal found 10/9£354

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 12 September 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

Wed 12/11

12:15-18:15

1 stop11h 00m

Toronto Pearson Intl

Fri 21/11

19:40-10:50

1 stop10h 10m

£354

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 2/10

08:30-11:25

Nonstop7h 55m

Toronto Pearson Intl

Sun 5/10

21:30-10:00

Nonstop7h 30m

£365

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 7/10

08:30-11:25

Nonstop7h 55m

Toronto Pearson Intl

Tue 11/11

23:00-11:20

Nonstop7h 20m

£366

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 23/9

07:30-19:00

2 stops16h 30m

Toronto Pearson Intl

Sun 28/9

12:45-06:55

1 stop13h 10m

£381

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 9/1

07:30-17:54

2 stops15h 24m

Toronto Pearson Intl

Thu 15/1

12:10-06:20

2 stops13h 10m

£382

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 16/1

07:30-17:54

2 stops15h 24m

Toronto Pearson Intl

Mon 19/1

16:30-10:50

2 stops13h 20m

£382

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 7/11

07:30-17:49

2 stops15h 19m

Toronto Pearson Intl

Sun 9/11

14:45-06:40

1 stop10h 55m

£382

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 3/10

17:50-20:40

Nonstop7h 50m

Toronto Pearson Intl

Tue 7/10

22:30-10:40

Nonstop7h 10m

£382

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 10/10

06:50-19:00

2 stops17h 10m

Toronto Pearson Intl

Thu 16/10

12:05-05:55

2 stops12h 50m

£387

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sun 8/3

12:15-19:15

1 stop11h 00m

Toronto Pearson Intl

Mon 16/3

20:40-19:30

1 stop18h 50m

£388

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 24 results
1
2
3

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 29 August 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 12 September 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 12 September 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 (23 on average).

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 12 September 2025.
Get a feel of what it's like to fly with Air France, Virgin Atlantic, andAir Canada 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.

Entertainment

7.0

Food

7.0

Overall

7.4

Comfort

7.4

Boarding

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Entertainment

7.0

Food

7.0

Overall

7.4

Comfort

7.4

Boarding

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Entertainment

7.0

Food

7.0

Overall

7.4

Comfort

7.4

Boarding

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Entertainment

7.0

Food

7.0

Overall

7.4

Comfort

7.4

Boarding

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Entertainment

7.0

Food

7.0

Overall

7.4

Comfort

7.4

Boarding

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Entertainment

7.0

Food

7.0

Overall

7.4

Comfort

7.4

Boarding

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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.
  • How long is the flight from London Heathrow Airport to Niagara Falls?

    Icelandair, Lufthansa, and United Airlines can get you from London Heathrow Airport to Niagara Falls in just under 7h 55m. Your travel time can differ by up to 8h 35m. London Heathrow Airport and Niagara Falls are separated by a distance of 3543 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to Niagara Falls one-way?

    £261 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on British Airways and Finnair, with prices starting from £265 and £270, respectively.

  • 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 (77%), KLM (77%), Air France( 77%).

  • 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 £1,119, our data indicates the cheapest price to be £350. The most popular route (London Heathrow - Toronto Pearson Intl), is priced around £294.

  • 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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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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£296Average£431FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£296Average£443FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£298Average£505FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£304Average£525FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapest£307Average£429FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapest£316Average£495FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£317Average£377FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£326Average£441FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£335Average£442FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£336Average£473FlexibilityNo 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.

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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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