The cheapest flight to London you can get by boooking 15 days before departure.
The most popular airlines on the route Glasgow - London: Ryanair (FR), easyJet (U2), Emirates (EK).
The cheapest flights you can book on the route Glasgow Intl Airport (GLA) - Luton (LTN).
Direct flights last about 1h 10min.
Direct flights available 7 days a week.
Direct flights: Ryanair (FR), easyJet (U2), British Airways (BA).