£864 Cheap Flights from London Heathrow (LHR) to Niagara Falls (IAG)

Q: How much are return flights from London Heathrow to Niagara Falls?

The best price we found for a return flight from London Heathrow to Niagara Falls is £864. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Q: Which airlines fly direct from London Heathrow to Niagara Falls?

Currently, there are no airlines that fly direct from London Heathrow to Niagara Falls. But we found flights with one or more stops from £864.

Q: How many flights are there a week from London Heathrow to Niagara Falls?

As of August 2025, there are no flights flying from London Heathrow to Niagara Falls.

Q: When is the cheapest time to fly from London Heathrow to Niagara Falls?

The cheapest month to fly from London Heathrow to Niagara Falls is usually October.

Q: Which upcoming date is cheapest to fly from London Heathrow Airport to Niagara Falls Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Niagara Falls Airport on Wednesday, 1 October 2025 .

Q: Can I get a direct flight from London Heathrow Airport to Niagara Falls Airport?

No airlines currently offer direct flights between London Heathrow Airport and Niagara Falls Airport. Most routes have one or more stops.

Q: How can I find the best flight deal to Niagara Falls?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Niagara Falls but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Q: When is the best time to book flights to Niagara Falls?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Niagara Falls is around 40 days in advance, so don’t leave your flight to the last minute.

Q: Which is the cheapest airline to fly from London Heathrow Airport to Niagara Falls with?

Currently, TAP Air Portugal offers the cheapest flight tickets to Niagara Falls.

Compare London Heathrow to Niagara Falls flight deals

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Flight deals from London Heathrow to Niagara Falls

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Niagara Falls? Find the lowest prices on one-way and return tickets right here.

Niagara Falls.£864 per passenger.Departing Wed, 1 Oct, returning Wed, 8 Oct.Return flight with TAP Air Portugal and Allegiant Air.Outbound indirect flight with TAP Air Portugal, departs from London Heathrow on Wed, 1 Oct, arriving in Niagara Falls.Inbound indirect flight with Allegiant Air, departs from Niagara Falls on Wed, 8 Oct, arriving in London Heathrow.Price includes taxes and charges.From £864, select.

Niagara Falls.£1,014 per passenger.Departing Thu, 21 Aug, returning Mon, 1 Sep.Return flight with jetBlue and Allegiant Air.Outbound indirect flight with jetBlue, departs from London Heathrow on Thu, 21 Aug, arriving in Niagara Falls.Inbound indirect flight with Allegiant Air, departs from Niagara Falls on Mon, 1 Sep, arriving in London Heathrow.Price includes taxes and charges.From £1,014, select.

Niagara Falls.£1,028 per passenger.Departing Thu, 21 Aug, returning Mon, 25 Aug.Return flight with jetBlue and Allegiant Air.Outbound indirect flight with jetBlue, departs from London Heathrow on Thu, 21 Aug, arriving in Niagara Falls.Inbound indirect flight with Allegiant Air, departs from Niagara Falls on Mon, 25 Aug, arriving in London Heathrow.Price includes taxes and charges.From £1,028, select.

Niagara Falls.£1,067 per passenger.Departing Sun, 28 Sep, returning Sun, 5 Oct.Return flight with Icelandair and Allegiant Air.Outbound indirect flight with Icelandair, departs from London Heathrow on Sun, 28 Sep, arriving in Niagara Falls.Inbound indirect flight with Allegiant Air, departs from Niagara Falls on Sun, 5 Oct, arriving in London Heathrow.Price includes taxes and charges.From £1,067, select.

Find the cheapest month to fly from London Heathrow to Niagara Falls

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Niagara Falls flights are currently cheapest in October.

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London Heathrow to Niagara Falls: Alternative routes

Compare routes from London Heathrow to Niagara Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Niagara Falls.

London to Niagara Falls: Flight information

The things to know before you go.

Cheapest flight found	£864
Cheapest month to fly	October

Finding cheap flights from London Heathrow to Niagara Falls: Frequently asked questions

How much are return flights from London Heathrow to Niagara Falls?

Which airlines fly direct from London Heathrow to Niagara Falls?

How many flights are there a week from London Heathrow to Niagara Falls?

When is the cheapest time to fly from London Heathrow to Niagara Falls?

Which upcoming date is cheapest to fly from London Heathrow Airport to Niagara Falls Airport on?

Can I get a direct flight from London Heathrow Airport to Niagara Falls Airport?

How can I find the best flight deal to Niagara Falls?

When is the best time to book flights to Niagara Falls?

Which is the cheapest airline to fly from London Heathrow Airport to Niagara Falls with?

Flying from London Heathrow Airport (LHR) to Niagara Falls International Airport (IAG): what you need to know

Your LHR to IAG flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
Be prepared for longer lines in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

How to find the cheapest flights from London Heathrow Airport (LHR) to Niagara Falls International Airport (IAG)

At the moment, £511 is the lowest price we've seen for a one-way London Heathrow Airport to Niagara Falls International Airport flight. The best price for a return ticket is £864. Remember that fares can change due to demand when booking.
To get your hands on cheap tickets from LHR to IAG, book in advance. Airlines usually offer their most competitively priced fares when flights are first made available.
The 'Whole month' search tool shows you the cheapest flights from London Heathrow Airport to Niagara Falls International Airport across the entire month. It's an easy way to find a bargain if your travel dates are flexible.
Save time searching for cheap flights from LHR to IAG by setting up a Price Alert. We'll send you an email or push notification on the app when fares go down.
Choose your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from London Heathrow Airport to Niagara Falls International Airport.

Handy information about London Heathrow Airport (LHR)

Of all flights leaving London Heathrow Airport, 68.18% arrive as scheduled at their destination.
Central London to London Heathrow Airport is around 19 miles. Depending on traffic, it'll take you about 55 minutes to get there if you're driving, ride-sharing or catching a cab.
You can expect a trip time of about 1 hour on public transport.
Looking for a handy hotel near LHR? If you're boarding an early flight from London Heathrow Airport to Niagara Falls International Airport, these accommodation options will put you moments from your check-in counter:

Arriving at Niagara Falls International Airport (IAG)

If you're arriving on a late London Heathrow Airport to Niagara Falls International Airport flight, nothing tops the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and snoozing soon after at one of these accommodation options near IAG:
Explore without limits with a Niagara Falls International Airport rental car. Pick up your wheels from Hertz, Alamo or Enterprise and venture far and wide through Niagara Falls and beyond.
To lock in the best rate, book your ride from Niagara Falls International Airport a few weeks in advance. Prices typically go up closer to your date of travel.

Getting from Niagara Falls International Airport (IAG) to central Niagara Falls

Niagara Falls International Airport to central Niagara Falls has a drive time of around 15 minutes. It's approximately 6 miles away.
If you're travelling by public transport, expect a journey of around 55 minutes.

When to fly to Niagara Falls International Airport (IAG)

It's time to work out your travel dates for your flight from London Heathrow Airport to Niagara Falls International Airport. July is the most popular month to visit Niagara Falls. If you're after a more low-key vibe, go in February.
When booking your flight from London Heathrow Airport to Niagara Falls International Airport, consider the type of weather you enjoy. July is the warmest month in Niagara Falls, with temperatures ranging from 15ºC (59ºF) to 27ºC (81ºF).
Search for cheap tickets from LHR to IAG in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 2ºC (36ºF) on average.

Explore more of United States

You've visited Niagara Falls, now it's time to explore other parts of United States. Journey around 310 miles south-east to New York to check off its popular sights. From Statue of Liberty to Central Park and Empire State Building, you'll have a packed itinerary ahead.
Philadelphia is another well-known destination in United States and is around 300 miles south-east of Niagara Falls. No journey is complete without dropping by Liberty Bell, Independence Hall and Philadelphia Museum of Art.