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Cheap flights from Niagara Falls to London Heathrow Airport from C$ 334

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LHR
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Niagara Falls to London Heathrow are usually found in February or January, booked 81 days in advance, depart on a Sunday or Friday and return on a Friday

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 15 April 2025.

Round-trip from

C$ 662

One-way from

C$ 334

Popular in

December

Cheapest in

February

Average price

C$ 807
Icelandair
  • Icelandair
  • 20/5-26/5
  • 2 total stops
  • 39h 35m total
  • Niagara Falls to London
Search Deals
25/5
  • 25/5
  • 1 total stop
  • 29h 55m total
  • Niagara Falls to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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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 15 April 2025.

Tue 20/58:50 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Mon 26/59:25 p.m.LHR - YYZ
1 stop29h 30mIcelandair
Deal found 15/4C$ 662
Sat 10/54:30 p.m.YYZ - LHR
1 stop9h 00mAir Canada
Thu 15/58:40 a.m.LHR - YYZ
1 stop12h 45mAir Canada
Deal found 13/4C$ 672
Wed 21/510:30 p.m.YYZ - LHR
Nonstop7h 10mVirgin Atlantic
Tue 27/57:15 p.m.LHR - YYZ
1 stop23h 15mVirgin Atlantic
Deal found 14/4C$ 684
Fri 25/79:05 p.m.YYZ - LHR
1 stop13h 50mMultiple Airlines
Fri 8/86:20 a.m.LHR - YYZ
1 stop12h 50mMultiple Airlines
Deal found 13/4C$ 688
Tue 6/510:15 p.m.YYZ - LHR
Nonstop7h 15mBritish Airways
Fri 16/55:15 p.m.LHR - YYZ
Nonstop7h 55mBritish Airways
Deal found 15/4C$ 734
Wed 3/911:00 p.m.YYZ - LHR
1 stop11h 35mTAP AIR PORTUGAL
Wed 10/96:00 a.m.LHR - YYZ
1 stop12h 55mTAP AIR PORTUGAL
Deal found 14/4C$ 736
Tue 6/54:00 p.m.YYZ - LHR
1 stop9h 30mLufthansa
Fri 16/58:30 a.m.LHR - YYZ
Nonstop7h 50mLufthansa
Deal found 14/4C$ 738
Thu 8/510:30 p.m.YYZ - LHR
Nonstop7h 10mDelta
Wed 14/511:45 a.m.LHR - YYZ
1 stop13h 10mDelta
Deal found 15/4C$ 740
Fri 2/56:05 p.m.YYZ - LHR
Nonstop7h 10mAmerican Airlines
Sun 11/55:15 p.m.LHR - YYZ
Nonstop7h 55mAmerican Airlines
Deal found 14/4C$ 773
Tue 6/58:15 p.m.YYZ - LHR
1 stop15h 10mSWISS
Mon 12/58:05 p.m.LHR - YYZ
1 stop25h 20mSWISS
Deal found 14/4C$ 801
Tue 20/56:15 p.m.YYZ - LHR
1 stop11h 15mAir France
Sun 25/53:15 p.m.LHR - YYZ
1 stop12h 51mAir France
Deal found 14/4C$ 813
Thu 24/412:20 p.m.YYZ - LHR
2 stops13h 35mUnited Airlines
Fri 2/58:30 a.m.LHR - YYZ
1 stop17h 14mUnited Airlines
Deal found 15/4C$ 819

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 15 April 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

Tue 20/5

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

1 stop10h 05m

London Heathrow

Mon 26/5

9:25 p.m.-9:55 p.m.

1 stop29h 30m

C$ 662

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 10/5

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

1 stop9h 00m

London Heathrow

Thu 15/5

8:40 a.m.-4:25 p.m.

1 stop12h 45m

C$ 672

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 21/5

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

London Heathrow

Tue 27/5

7:15 p.m.-1:30 p.m.

1 stop23h 15m

C$ 684

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 4/6

6:20 p.m.-6:35 a.m.

Nonstop7h 15m

London Heathrow

Wed 18/6

8:30 a.m.-11:20 a.m.

Nonstop7h 50m

C$ 730

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 6/5

10:15 p.m.-10:30 a.m.

Nonstop7h 15m

London Heathrow

Fri 16/5

5:15 p.m.-8:10 p.m.

Nonstop7h 55m

C$ 734

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 8/5

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

London Heathrow

Wed 14/5

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

1 stop13h 10m

C$ 740

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 6/6

10:10 p.m.-7:25 p.m.

1 stop16h 15m

London Heathrow

Tue 10/6

6:20 a.m.-5:10 p.m.

2 stops15h 50m

C$ 772

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 2/5

6:05 p.m.-6:15 a.m.

Nonstop7h 10m

London Heathrow

Sun 11/5

5:15 p.m.-8:10 p.m.

Nonstop7h 55m

C$ 773

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 20/5

6:15 p.m.-10:30 a.m.

1 stop11h 15m

London Heathrow

Sun 25/5

3:15 p.m.-11:06 p.m.

1 stop12h 51m

C$ 813

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 1/5

12:10 p.m.-6:55 a.m.

1 stop13h 45m

London Heathrow

Sun 25/5

8:30 a.m.-11:58 p.m.

1 stop20h 28m

C$ 820

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 19 results
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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 11 April 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 81 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$ 874). 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 15 April 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 15 April 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 (30 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 15 April 2025.
Read reviews from past customers who have flown Delta, KLM and Azores Airlines from Niagara Falls to London. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,918 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.5
Good
65 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,578 reviews
Delta
8.0
Very good
7,918 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    The cheapest airlines for a one-way flight from Niagara Falls to London Heathrow Airport are TAP AIR PORTUGAL (C$ 430), Air Canada (C$ 512), and Lufthansa (C$ 515).

  • 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 Ethiopian Air (85%), American Airlines (71%) or Aer Lingus (71%) 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$ 1,867, our data shows the cheapest flight currently is C$ 490. When looking at the most popular route, (Toronto Pearson Intl - London Heathrow), you can expect to pay C$ 654 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$ 874). 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 Niagara Falls?

Book flights to Niagara Falls if you plan to visit one of these locations
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapestC$ 489AverageC$ 1,099FlexibilityNo cancel feeOn-time76%
Search Finnair flights
TAP AIR PORTUGALCheapestC$ 532AverageC$ 669FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
PLAYCheapestC$ 544AverageC$ 644FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
WestJet EncoreCheapestC$ 555AverageC$ 708FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
IcelandairCheapestC$ 618AverageC$ 887FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Porter AirlinesCheapestC$ 653AverageC$ 812FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 676AverageC$ 831FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 679AverageC$ 943FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
DeltaCheapestC$ 704AverageC$ 870FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 713AverageC$ 969FlexibilityNo 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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