Cheap flights from Great Falls, MT to London, United Kingdom
Flights starting at £249. Choose between Allegiant Air, Alaska Airlines, or Frontier Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to London
Cheapest one-way trip | £434 |
---|---|
Cheapest round-trip | £863 |
Includes rare itinerary | |
Most popular airline | Allegiant Air |
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Book your trip to arrive at Gatwick, Heathrow, Luton, London Stansted, or London City. The most popular airlines for this route are Allegiant Air, Alaska Airlines, Frontier Airlines, United Airlines, and Spirit Airlines. Great Falls and London have 164 direct flights per week. When you arrive at London, consider visiting Tower of London, Avebury, Canterbury Cathedral, Isle of Wight, St. Paul's Cathedral, British Museum, Stonehenge, Roman Baths, Bath, Portsea Island, Natural History Museum, and Tate Modern.
Check-in for a flight from Great Falls to London
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in London
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 3°C |
March | 11°C | 4°C |
April | 14°C | 5°C |
May | 17°C | 8°C |
June | 20°C | 11°C |
July | 22°C | 14°C |
August | 22°C | 14°C |
September | 19°C | 12°C |
October | 15°C | 9°C |
November | 10°C | 6°C |
December | 8°C | 3°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Great Falls
- Flights from Great Falls to Phoenix
- Flights from Great Falls to Taipei
- Flights from Great Falls to Los Angeles
- Flights from Great Falls to Detroit
- Flights from Great Falls to Dallas
- Flights from Great Falls to New York
- Flights from Great Falls to Orlando
- Flights from Great Falls to Las Vegas
- Flights from Great Falls to Denver
- Flights from Great Falls to Chicago
- Flights from Great Falls to Miami
- Flights from Great Falls to Atlanta
- Flights from Great Falls to Mexico City
- Flights from Great Falls to Bogotá
- Flights from Great Falls to Philadelphia
- Flights from Great Falls to San Francisco
- Flights from Great Falls to Cancún
- Flights from Great Falls to Houston
- Flights from Great Falls to San Juan
- Flights from Great Falls to Washington, D.C.
Flights to London
- Flights from Reykjavik to London
- Flights from Bucharest to London
- Flights from Athens to London
- Flights from Dublin to London
- Flights from Istanbul to London
- Flights from Lisbon to London
- Flights from Sofia to London
- Flights from Tirana to London
- Flights from New York to London
- Flights from Edinburgh to London
- Flights from Belfast to London
- Flights from Larnaca to London
- Flights from Glasgow to London
- Flights from Málaga to London
- Flights from Antalya to London
- Flights from Faro to London
- Flights from Thessaloniki to London
- Flights from Budapest to London
- Flights from Madrid to London
- Flights from Alicante to London
Popular routes
- Flights from Osaka to Dalian
- Flights from Banjul to Brussels
- Flights from Madrid to Osaka
- Flights from Salvador to Manchester
- Flights from Mexico City to Austin
- Flights from Entebbe to Stuttgart
- Flights from Poznań to Douglas
- Flights from Pula to Istanbul
- Flights from Larnaca to Medellín
- Flights from London to Milan
- Flights from Augusta to Amsterdam
- Flights from London to Faro