Flight tickets from London to Great Falls International

Compare London to Great Falls International flight deals

Find the cheapest month or even day of the year to fly to Great Falls International

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Flight deals from London to Great Falls International

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

Find the cheapest month to fly from London to Great Falls International

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

London to Great Falls International: Alternative routes

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

London to Great Falls: Flight information

The things to know before you go.
Cheapest flight found₹ 77,414
Cheapest month to flyJuly

Finding cheap flights from London to Great Falls International: Frequently asked questions

The best price we found for a return flight from London to Great Falls International is ₹ 76,930. 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.
Currently, there are no airlines that fly direct from London to Great Falls International. But we found flights with one stop from ₹ 76,930.
As of January 2026, there are no flights flying from London to Great Falls International.
The cheapest month to fly from London to Great Falls International is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Great Falls International Airport on Monday, 16 February 2026.
No airlines currently offer direct flights between London and Great Falls International Airport. Most routes have one or more stops.
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 Great Falls International 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Great Falls is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Great Falls International is Delta .

Travelling from London to Great Falls International Airport (GTF): What you need to know

  • When organising your flight from London to Great Falls International Airport (GTF), you'll have your choice of airports to leave from. Check out London Heathrow Airport (LHR) and London Gatwick Airport (LGW) for your departure options. Other possibilities include Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY).

  • The timezone in Great Falls is UTC-6, which is six hours behind London. Great Falls International Airport is located in Great Falls.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably board your flight from London to GTF.

  • With more people on the move during high season, you'll want to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will help you stay ahead of the crowds.

Airports in London

London Heathrow Airport (LHR)

  • Stopovers are the ideal opportunity to take a break from travelling and possibly even visit a new city. When browsing cheap flights from London to GTF leaving from London Heathrow Airport (LHR), deselect the 'Direct flights only' box to find out where you can visit along the way. Popular options include:

    • Denver International Airport (DEN)

    • Minneapolis-St. Paul International Airport (MSP)

    • Salt Lake City International Airport (SLC)

  • The journey from central London to LHR takes around 1 hour by public transport. If you drive, ride-share or take a cab, you'll cover the 31 kilometres in 55 minutes or so, depending on traffic conditions.

  • Searching for a convenient hotel close to London Heathrow Airport? If you're catching an early flight from London to Great Falls International Airport, these stays will put you moments from check-in:

  • Of all flights departing from London Heathrow Airport, 68.18% land on time at their destination.

London Gatwick Airport (LGW)

  • Fit a stopover into your itinerary at Harry Reid Airport (formerly McCarran Airport) (LAS). It's a popular transfer point for flights from London to Great Falls International Airport (GTF) departing London Gatwick Airport.

  • With public transport, you can travel from central London to LGW in about 30 minutes. The airport is roughly 80 kilometres away, and getting there by car takes approximately 1 hour 20 minutes.

  • Kick off your holiday early with an additional night away from home. Before your London to GTF flight, stay in one of these hotels close to London Gatwick Airport:

  • 69.26% of all departures from London Gatwick Airport meet their expected arrival time.

Stansted Airport (STN)

  • From the centre of London, STN is around 64 kilometres away. It'll take you roughly 1 hour to arrive by car and 1 hour 25 minutes or so if you use public transport.

  • Take the 'what ifs' out of departure day — stay close to Stansted Airport and know you'll get to your gate with time to spare. Get comfy at one of these hotels the day before if you have an early London to Great Falls International Airport flight:

  • Airports have an on-time performance rating that tracks how often flights arrive at their destinations as expected. At STN, that figure is 64.73%.

About Great Falls International Airport (GTF)

Getting from Great Falls International Airport (GTF) to central Great Falls

  • Great Falls International Airport to central Great Falls is roughly 5 kilometres. If you're renting a car or getting a cab, plan ahead to make your trip as smooth as possible. Journey times will vary depending on traffic and the time of day.

  • When travelling on public transport, expect a journey time of around 4 hours.

How to find the cheapest flights from London to Great Falls International Airport (GTF)

  • Right now, ₹ 77,414 is the lowest price we've found for a one-way ticket from London to Great Falls International Airport. The cheapest price for a return flight is ₹ 76,930. Remember fares can change due to demand at the time of booking.

  • Don't leave everything to the last moment. You're more likely to find cheap flights from London to GTF if you book ahead. Airlines often have some excellent early bird rates.

  • Affordable London to Great Falls International Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' tool to compare fares across the month and then pick the cheapest day.

  • Locking in a cheap flight ticket from London to GTF couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Find the best deal on a flight from London to Great Falls International Airport with the help of the filters. Pick your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

The best time to fly from London to Great Falls International Airport (GTF)

  • It's time to figure out when to book your flight from London to Great Falls International Airport (GTF). October is when most people visit Great Falls. If you like things a bit more low-key, go in February.

  • The warmest month in Great Falls is July, with temperatures ranging between 11ºC and 33ºC. Lock in your London to GTF flight ticket then if that's your ideal forecast.

  • For cooler conditions, look for a cheap ticket from London to Great Falls International Airport in February when temperatures are between -21ºC and 8ºC.

More about Great Falls

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Great Falls right here. Browse these hotels after locking in your flight from London to Great Falls International Airport:

  • There are plenty of exciting things to do in Great Falls when you're ready to go sightseeing. Start exploring at Lewis & Clark National Historic Trail Interpretive Centre followed by Great Falls Dam View and St. Ann Cathedral.

Explore more of the United States

  • You've seen Great Falls, now it's time to explore more of the United States. Journey around 290 kilometres south-east to Billings to tick off its must-visit sights. From Museum of Women's History to St. Patrick's Co-Cathedral and Yellowstone Art Museum, there's plenty to keep you busy.

  • Around 209 kilometres west of Great Falls, Missoula is another essential stop in the United States. Get a taste of what this destination has to offer at Mt Jumbo Trailhead, Mt Jumbo and Street Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.