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

Featured airlines

British Airways
Lufthansa
Turkish Airlines
Ryanair
Virgin Atlantic
Emirates
Air India
KLM
easyJet
  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 25% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Frequently asked questions

How much is a flight from London Heathrow to Niagara Falls Intl. Airport (IAG)?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Heathrow Airport to IAG start from . Book today to get the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to IAG?
This can differ between air carriers, as each has its own terms and conditions. Head to the Customer Service Portal, where there are simple instructions on how to cancel your flight online.
How do I find cheap flights from Heathrow Airport to Niagara Falls Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for LHR to Niagara Falls Intl. Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from London Heathrow to Niagara Falls Intl. Airport (IAG)?
The distance is around 5,700 kilometres. Eye mask? Check. Spare socks? Double check. You’d be wise to pack all the essentials for this long-haul Hounslow to Niagara Falls flight.
Which airlines fly direct from Heathrow Airport to Niagara Falls Intl. Airport?
If you want to fly straight from LHR to IAG, you’ll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route.
Are Heathrow Airport to IAG flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Heathrow Airport to Niagara Falls Intl. Airport (IAG) at the last minute could save you some cash. However, it could end up costing a good deal more! If you’d rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back frequently as deals are updated on Expedia all the time.
*Available to Expedia members.