Cheap flights from Great Falls to London

Flights overview

Useful information for finding cheap flights from Great Falls to London and booking your next trip
Cheapest one-way flight $225
United 2 stops 18 hr Wed, Apr 22
The cheapest one-way flight from Great Falls to London is currently $225
Fastest flight 12 hr 10 min The fastest flight with stops from Great Falls to London takes 12 hr 10 min
Nonstop flights None There are no direct flights on this route.

Popular airlines from Great Falls to London

  • United
    Typical price: $730–1,850
    70 weekly connecting flights
    GTF - LHR Every day
  • Delta
    Typical price: $740–1,850
    39 weekly connecting flights
    GTF - LHR Every day

Popular airports near Great Falls

  • Great Falls International Airport (GTF)
    Great Falls United States 11 min 3 mi
  • Bozeman Yellowstone International Airport (BZN)
    Bozeman United States 2 hr 44 min 119 mi
  • Missoula Montana Airport (MSO)
    Missoula United States 2 hr 53 min 137 mi
  • Helena Regional Airport (HLN)
    Helena United States 1 hr 24 min 70 mi

Popular airports near London

  • Heathrow Airport (LHR)
    London United Kingdom 48 min 14 mi
  • London Gatwick Airport (LGW)
    London United Kingdom 1 hr 26 min 25 mi
  • London Stansted Airport (STN)
    London United Kingdom 1 hr 5 min 30 mi
  • London Luton Airport (LTN)
    London United Kingdom 1 hr 9 min 27 mi

Frequently asked questions about flying from Great Falls to London

The cheapest one-way flight was with United from $225.

Some of the cheapest round-trip deals we found with different airlines:
    The cheapest one-way flight starts at $225 and departs on Wed, Apr 22.
    12 hr 10 min is the shortest flight time from Great Falls to London.
    London is a year-round destination, getting busiest Jun–Sep and in the run-up to Christmas and New Year (Dec). Jul–Aug is when many Europeans take holidays, so visitors may face more crowds and limited availability of hotel rooms. Key events include the London Marathon (Apr), Notting Hill Carnival (Aug) and Frieze London art fair (Oct). Sep–May is the city's primary season for theatre, opera, ballet and classical music. Summer’s warmer weather brings many free outdoor music and theatre festivals.
    It's easy to use Google Flights to find the cheapest days to fly from Great Falls to London.
    Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
    Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

    You can also turn on price tracking to get alerts if the price changes for a route or flight.
    What counts as the best airline for your flights from Great Falls to London really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Great Falls to London.

    In terms of flights, United is the most popular. United offers 70 connecting flights per week. United flies from Great Falls International Airport (GTF) to Heathrow Airport (LHR) .

    Another popular airline flying from Great Falls to London is:
    • Delta offers 39 connecting flights per week. Delta flies from Great Falls International Airport (GTF) to Heathrow Airport (LHR) .
    The number of connecting flights refers to distinct flights with at least one stop between Great Falls and London.
    The cheapest one-way flight was with United from $225.

    Some of the cheapest round-trip deals we found with different airlines:
      No airline flies direct from Great Falls to London.
      • There are 70 United connecting flights from Great Falls to London per week. Flights are available every day.
      • There are 39 Delta connecting flights from Great Falls to London per week. Flights are available every day.
      Use the Stops filter while searching for flights, to see only nonstop options in your results.
      The cheapest last-minute deal between Great Falls and London at price $759 is offered by United from Thu, Jan 29 to Mon, Feb 2.
      No airline flies direct from Great Falls to London.
      • There are 70 United connecting flights from Great Falls to London per week. Flights are available every day.
      • There are 39 Delta connecting flights from Great Falls to London per week. Flights are available every day.
      Use the Stops filter while searching for flights, to see only nonstop options in your results.
      There are no direct flights from Great Falls to London.
      It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Great Falls to London, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
      To book business class trips from Great Falls to London, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

      You can also adjust the trip type to view one-way fares.
      The best last-minute getaway deal for the next weekend between Great Falls and London starts at $759 from Thu, Jan 29 to Mon, Feb 2 with United.
      The cheapest last-minute deal between Great Falls and London at price $759 is offered by United from Thu, Jan 29 to Mon, Feb 2.
      To find last-minute flight deals from Great Falls to London, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

      You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

      Search more flights

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