$463 Find Cheap Flights from Helena to London - Compare and Save

In the last 5 days, the lowest price for a flight from Helena to London Heathrow Airport was $463 for a one-way ticket and $816 for a round-trip.

Yes, you'll most likely have to show a valid passport before boarding the plane in Helena and on arrival in London.

Helena and London are both served by 1 main airport. You will leave Helena from Helena and will be arriving at London Heathrow.

We unfortunately don’t have that data for this specific route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helena to London.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Helena is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Helena with another airline. Booking your flights between Helena and LHR can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Helena up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.