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Cheap flights from Niagara Falls to London Heathrow Airport from C$ 338

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LHR
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Niagara Falls to London Heathrow are usually found in February or January, booked 52 days in advance, depart on a Sunday or Friday and return on a Wednesday

Cheap flight deals from Niagara Falls to Heathrow

Keep the following information in mind while searching for Niagara Falls to Heathrow flight deals. Data was last updated 17 September 2025.

Round-trip from

C$ 715

One-way from

C$ 338

Popular in

December

Cheapest in

February

Average price

C$ 900
Icelandair
  • Icelandair
  • 16/10-21/10
  • 2 total stops
  • 58h 40m total
  • Niagara Falls to London
Search Deals
19/10
  • 19/10
  • 2 total stops
  • 28h 15m total
  • Niagara Falls to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Niagara Falls to Heathrow

Cheapest flights from Niagara Falls to Heathrow
Explore the most affordable flight options available from Niagara Falls to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 16/1011:00 p.m.YYZ - LHR
1 stop31h 55mIcelandair
Wed 22/109:25 p.m.LHR - YYZ
1 stop26h 45mIcelandair
Deal found 16/9C$ 715
Sat 25/1011:00 p.m.YYZ - LHR
1 stop31h 50mIcelandair
Thu 6/1112:15 p.m.LHR - YYZ
1 stop11h 00mIcelandair
Deal found 17/9C$ 717
Thu 16/1011:00 p.m.YYZ - LHR
1 stop31h 55mIcelandair
Thu 23/109:25 p.m.LHR - YYZ
1 stop29h 30mIcelandair
Deal found 17/9C$ 718
Wed 8/1011:00 p.m.YYZ - LHR
1 stop31h 55mIcelandair
Wed 15/109:25 p.m.LHR - YYZ
1 stop29h 30mIcelandair
Deal found 16/9C$ 722
Thu 23/1011:00 p.m.YYZ - LHR
1 stop31h 55mIcelandair
Thu 6/1112:15 p.m.LHR - YYZ
1 stop11h 00mIcelandair
Deal found 15/9C$ 724
Sun 9/117:40 p.m.YYZ - LHR
1 stop10h 10mIcelandair
Fri 14/118:35 p.m.LHR - YYZ
1 stop26h 40mIcelandair
Deal found 15/9C$ 725
Fri 24/108:50 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Thu 6/118:35 p.m.LHR - YYZ
1 stop26h 40mIcelandair
Deal found 17/9C$ 726
Thu 23/1011:35 p.m.YYZ - LHR
Nonstop7h 15mAir Canada
Thu 6/119:00 a.m.LHR - YYZ
1 stop12h 10mAir Canada
Deal found 15/9C$ 728
Fri 21/117:40 p.m.YYZ - LHR
1 stop10h 10mIcelandair
Mon 24/118:35 p.m.LHR - YYZ
1 stop26h 40mIcelandair
Deal found 16/9C$ 729
Fri 14/117:40 p.m.YYZ - LHR
1 stop10h 10mIcelandair
Wed 26/1112:15 p.m.LHR - YYZ
1 stop11h 00mIcelandair
Deal found 15/9C$ 730
Thu 13/1111:00 p.m.YYZ - LHR
Nonstop7h 20mAir Canada
Thu 20/119:00 a.m.LHR - YYZ
1 stop12h 10mAir Canada
Deal found 17/9C$ 732
Fri 24/108:50 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Tue 4/1112:15 p.m.LHR - YYZ
1 stop11h 00mIcelandair
Deal found 15/9C$ 735

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to Heathrow 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 September 2025.
Use the filters below to find and compare flights from Niagara Falls to London Heathrow Airport that are best for you.

Fly from

Niagara Falls

Fly to

Heathrow

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 13/10

11:35 p.m.-11:50 a.m.

Nonstop7h 15m

London Heathrow

Mon 20/10

8:30 a.m.-11:25 a.m.

Nonstop7h 55m

C$ 803

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 17/11

6:10 p.m.-6:30 a.m.

Nonstop7h 20m

London Heathrow

Sun 30/11

6:00 p.m.-9:10 p.m.

Nonstop8h 10m

C$ 834

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 26/10

11:55 p.m.-11:20 a.m.

Nonstop7h 25m

London Heathrow

Mon 3/11

11:10 a.m.-2:20 p.m.

Nonstop8h 10m

C$ 835

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 16/10

4:00 p.m.-6:30 a.m.

1 stop9h 30m

London Heathrow

Tue 31/3

1:30 p.m.-7:45 p.m.

1 stop11h 15m

C$ 846

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 28/9

11:35 p.m.-11:50 a.m.

Nonstop7h 15m

London Heathrow

Wed 15/10

3:50 p.m.-6:45 p.m.

Nonstop7h 55m

C$ 849

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 30/9

10:05 a.m.-6:55 a.m.

1 stop15h 50m

London Heathrow

Tue 7/10

7:45 a.m.-10:20 p.m.

2 stops19h 35m

C$ 857

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 22/10

8:50 p.m.-11:55 a.m.

1 stop10h 05m

London Heathrow

Wed 5/11

12:15 p.m.-6:15 p.m.

1 stop11h 00m

C$ 861

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 29/9

8:00 p.m.-11:25 a.m.

1 stop10h 25m

London Heathrow

Mon 6/10

4:40 p.m.-11:44 a.m.

2 stops24h 04m

C$ 869

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 9/11

11:00 p.m.-11:20 a.m.

Nonstop7h 20m

London Heathrow

Fri 14/11

6:00 p.m.-9:10 p.m.

Nonstop8h 10m

C$ 871

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 8/11

4:44 p.m.-8:15 a.m.

1 stop10h 31m

London Heathrow

Wed 19/11

11:40 a.m.-2:50 p.m.

Nonstop8h 10m

C$ 874

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 23 results
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2
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Best time to book a flight from Niagara Falls to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to Heathrow. Price data was last updated on 12 September 2025.

The price you pay for your flight from Niagara Falls to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Niagara Falls to London Heathrow Airport (average of C$ 560). Flying from Niagara Falls to London Heathrow Airport in July is currently the most expensive (average of C$ 856). 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 NI4 to LHR?

Find hourly flight availability from Niagara Falls to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

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 Heathrow Airport as you normally would.

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

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

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

Weekly flight availability from Niagara Falls to London Heathrow Airport

Explore weekly flight availability from Niagara Falls to Heathrow. 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 September 2025.

The most flights from NI4 to LHR are scheduled on a Tuesday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

How much does it cost to fly round-trip from Niagara Falls to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 17 September 2025.
Read through reviews of airlines operating flights from Niagara Falls to London Heathrow Airport, such as Virgin Atlantic,Air Canada, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.4
Good
664 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Virgin Atlantic
7.4
Good
664 reviews
Virgin Atlantic
7.4
Good
664 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Air Canada
7.1
Good
10,000 reviews
Virgin Atlantic
7.4
Good
664 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Icelandair
7.0
Good
545 reviews
Virgin Atlantic
7.4
Good
664 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Lufthansa
6.8
Okay
7,409 reviews
Virgin Atlantic
7.4
Good
664 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
British Airways
6.7
Okay
7,367 reviews
Virgin Atlantic
7.4
Good
664 reviews
Check prices

Entertainment

7.5

Food

6.9

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls to Heathrow. 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 Heathrow Airport?

    Airlines like Lufthansa fly from Niagara Falls to London Heathrow Airport in about 7h 15m. The time it takes to get you to your destination is usually consistent. The distance from Niagara Falls to London Heathrow Airport is about 5702 km. Most flights are nonstop.

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

    No one likes to see their flight delayed. When booking a flight from Niagara Falls to London Heathrow Airport consider choosing KLM (87%), Air France (87%) or Delta (87%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Niagara Falls to London Heathrow Airport is generally C$ 2,087, our data shows the cheapest flight currently is C$ 412. When looking at the most popular route, (Toronto Pearson Intl - London Heathrow), you can expect to pay C$ 548 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Niagara Falls to London Heathrow Airport (average of C$ 560). Flying from Niagara Falls to London Heathrow Airport in July is currently the most expensive (average of C$ 856). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

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Alternative routes for Niagara Falls to Heathrow

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 Heathrow

Discover the top 10 airlines that operate flights from Niagara Falls to Heathrow. 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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 218AverageC$ 224FlexibilityNo cancel feeOn-time60%
Search WestJet flights
PLAYCheapestC$ 482AverageC$ 629FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
WestJet EncoreCheapestC$ 549AverageC$ 700FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
TAP AIR PORTUGALCheapestC$ 598AverageC$ 722FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 626AverageC$ 806FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 648AverageC$ 935FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
IcelandairCheapestC$ 653AverageC$ 847FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 689AverageC$ 858FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapestC$ 697AverageC$ 871FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 705AverageC$ 950FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Niagara Falls to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Niagara Falls to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Niagara Falls to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Niagara Falls to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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