Cheap Flights from London (LHR) to Niagara Falls (IAG)

Popular airlines from Heathrow Airport (LHR) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

Alternative airports near Niagara Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest option available. Average driving time to city center is 34 minutes. Flights from $701
BUF
Buffalo Niagara Intl.
Cheapest
Average driving time to city center34 min
Flights from $701
Flights from London (LHR) to Niagara Falls (IAG)
Origin airport
Heathrow
Destination airport
Niagara Falls Intl.
Distance
3544 mi

London to Niagara Falls Flights

The cheapest times to fly from London to Niagara Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Niagara Falls are during the month of . You can find some of the cheapest flights from London to Niagara Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Niagara Falls

Sunday is one of the best days to book for cheap flights from London to Niagara Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Niagara Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Niagara Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Niagara Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Niagara Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG) cost?
Get a cheap one-way flight or cheap return flight from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG)?
Traveling in can help you save, as it's the cheapest month for flights between LHR and IAG. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG)?
To find the cheapest airline that'll fly you from LHR to IAG, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG)?
There are no daily direct flights from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from LHR to IAG?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG)?
To avoid potential delays on the Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG) route, travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Niagara Falls from Heathrow Airport (LHR)?
If you've booked a direct flight from Heathrow Airport (LHR) to Niagara Falls, Pearson Intl. Airport (YYZ) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG) last-minute?
Waiting until right before your break to book your flight from LHR to IAG generally means paying more. While you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a LHR to IAG flight and hotel package?
Compared with arranging hotels and flights separately, booking a LHR to IAG flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Niagara Falls Intl. Airport (IAG)?
If you reserved your LHR to IAG flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.