Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Niagara Falls, Ontario from £257

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYZ
2 Jul — 9 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Niagara Falls are usually found in September or October, booked 88 days in advance, depart on a Friday or Thursday and return on a Sunday

Cheap flight deals from Heathrow to Niagara Falls

Enter your travel dates to find the best prices.

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 2 June 2026.

Thu 27/813:05
LHR
-
YYZ
1 stop14h 00m
Icelandair
Wed 9/923:10
YYZ
-
LHR
1 stop16h 10m
Icelandair
Deal found 1/6£425
Mon 12/1006:55
LHR
-
YYZ
1 stop13h 00m
Lufthansa
Mon 19/1023:50
YYZ
-
LHR
Nonstop7h 00m
Lufthansa
Deal found 1/6£426
Mon 7/921:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Fri 11/920:45
YYZ
-
LHR
1 stop18h 35m
Icelandair
Deal found 31/5£427
Fri 3/721:10
LHR
-
YYZ
1 stop21h 50m
Multiple Airlines
Wed 15/721:35
YYZ
-
LHR
1 stop12h 25m
Multiple Airlines
Deal found 30/5£427
Thu 8/1006:50
LHR
-
YYZ
1 stop9h 55m
Air Canada
Mon 12/1021:25
YYZ
-
LHR
Nonstop7h 10m
Air Canada
Deal found 31/5£428
Wed 2/913:05
LHR
-
YYZ
1 stop14h 00m
Icelandair
Thu 10/920:45
YYZ
-
LHR
1 stop18h 35m
Icelandair
Deal found 30/5£429
Wed 2/916:50
LHR
-
YYZ
1 stop25h 30m
Multiple Airlines
Sat 12/921:35
YYZ
-
LHR
1 stop16h 50m
Multiple Airlines
Deal found 28/5£430
Wed 2/913:05
LHR
-
YYZ
1 stop14h 00m
Icelandair
Wed 9/923:10
YYZ
-
LHR
1 stop16h 10m
Icelandair
Deal found 28/5£430
Mon 29/621:10
LHR
-
YYZ
1 stop21h 10m
Multiple Airlines
Mon 6/717:45
YYZ
-
LHR
1 stop11h 35m
Multiple Airlines
Deal found 30/5£431
Sat 27/619:10
LHR
-
YYZ
1 stop23h 10m
Multiple Airlines
Sat 18/723:05
YYZ
-
LHR
1 stop29h 00m
Multiple Airlines
Deal found 30/5£432
Sun 14/621:25
LHR
-
YYZ
1 stop29h 40m
Icelandair
Tue 30/620:45
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 29/5£432
Mon 29/621:10
LHR
-
YYZ
1 stop21h 10m
Multiple Airlines
Thu 20/823:05
YYZ
-
LHR
1 stop28h 00m
Multiple Airlines
Deal found 31/5£433

Find 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 2 June 2026.

Round-trip from

£424

One-way from

£257

Popular in

August

Cheapest in

September

Average price

£497
Air Canada
  • Air Canada
  • 3/10-20/10
  • 2 total stops
  • 22h 00m total
  • London to Niagara Falls
Search Deals
2/7
  • 2/7
  • 2 total stops
  • 23h 05m total
  • London to Niagara Falls
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 2 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 24/10

19:50-22:15

1 stop31h 25m

Toronto Pearson Intl

Wed 4/11

22:45-15:30

1 stop11h 45m

£447
Fastest return journey

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 22/10

17:05-20:10

Nonstop8h 05m

Toronto Pearson Intl

Mon 2/11

22:05-10:10

Nonstop7h 05m

£450

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 24/10

07:30-18:07

2 stops15h 37m

Toronto Pearson Intl

Fri 6/11

14:20-09:10

2 stops13h 50m

£465

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 11/9

07:30-19:00

2 stops16h 30m

Toronto Pearson Intl

Sun 20/9

12:00-06:55

2 stops13h 55m

£523

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 25/6

07:30-22:23

2 stops19h 53m

Toronto Pearson Intl

Sun 28/6

08:45-06:45

1 stop17h 00m

£565

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 24/8

21:05-15:40

2 stops23h 35m

Toronto Pearson Intl

Sat 12/9

17:10-16:25

2 stops18h 15m

£566

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 24/6

06:50-22:23

2 stops20h 33m

Toronto Pearson Intl

Tue 30/6

13:25-10:40

2 stops16h 15m

£566

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 15/6

07:30-22:23

2 stops19h 53m

Toronto Pearson Intl

Tue 30/6

14:45-06:45

1 stop11h 00m

£566

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 3/7

20:10-15:50

1 stop24h 40m

Toronto Pearson Intl

Sun 19/7

18:10-06:20

Nonstop7h 10m

£570

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 20/10

06:50-18:07

2 stops16h 17m

Toronto Pearson Intl

Thu 24/12

14:50-09:10

2 stops13h 20m

£577

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 24 resultsSorted by cheapest first
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

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 2 June 2026.

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.

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 2 June 2026.

The most flights from LHR to NI4 are scheduled on a Tuesday (39 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (19 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 2 June 2026.
Get a feel of what it's like to fly with Virgin Atlantic,Air Canada, andIcelandair 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.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Air Canada
7.1
Good
11,122 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
7.0
Good
665 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,036 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,018 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Overall

7.5

Entertainment

7.5

Comfort

7.3

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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?

    TAP AIR PORTUGAL, British Airways, and United Airlines can get you from London Heathrow Airport to Niagara Falls in just under 8h 05m. Your travel time can differ by up to 23h 20m. 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?

    £246 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on WestJet and Virgin Atlantic, with prices starting from £264 and £268, 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: United Airlines (85%), Lufthansa (85%), MEA( 84%).

  • 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 £1,155, our data indicates the cheapest price to be £305. The most popular route (London Heathrow - Toronto Pearson Intl), is priced around £366.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2 June 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£271Average£345FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IcelandairCheapest£313Average£414FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£319Average£553FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air TransatCheapest£323Average£494FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapest£324Average£613FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£325Average£545FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£327Average£549FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£333Average£500FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£338Average£509FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£342Average£529FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.