Cheap Flights from London to Glasgow

The route from London to Glasgow covers about 555 km (345 miles). A nonstop flight, when scheduled, usually takes around 1h 20m gate to gate, although total trip time still depends on airport queues, transfer costs, and how early you need to arrive. On shorter European city pairs like this one, time savings can matter as much as the fare itself. If you only see one-stop options on your travel dates, connections through Amsterdam or Barcelona can widen the fare mix, but total journey time often stretches to 4 to 6 hours.

For many travelers, the cheapest time to fly from London to Glasgow is outside summer weekends, December events, and major sports dates. January, February, and late autumn usually give you a better chance of seeing lower fares, especially if you can depart on Tuesday or Wednesday and avoid the busiest Friday-to-Sunday patterns. Shoulder-season trips are often the sweet spot on this classic city-break route: you still get a strong travel experience in Glasgow, but airlines are not dealing with the same pressure they see during bank holidays, school breaks, or sold-out weekend peaks.

For this route, compare a mix of budget and full-service carriers rather than assuming one airline always wins on value.

• Ryanair: often one of the lowest headline fares if you can travel light.
• easyJet: often competitive on short-haul European routes with solid schedule choice.
• British Airways: best for higher-frequency business-heavy timings from the UK.
• Aer Lingus: useful for Ireland-linked schedules and city-break timing.
• Lufthansa: a strong choice when schedule flexibility matters more than the lowest base fare.

Glasgow skyline and city-break atmosphere for this route.

Headline round-trip fares on this route often start around EUR 47 to EUR 92 in quieter periods. A more typical booking window lands closer to EUR 137 to EUR 202, while peak travel dates can push pricing toward EUR 236 to EUR 346 or higher. The spread between the cheapest and busiest dates is often driven by weekends, festivals, and the difference between a bare fare and a fully practical ticket. On short-haul Europe trips, baggage, seat selection, and airport-transfer costs can change the real total more than many travelers expect, so always compare like-for-like fares.

On this route, airport choice can save money only if the ground transfer still makes sense for your trip. Start with Heathrow Airport on the London side and Glasgow Airport on the Glasgow side, then widen the search if the fare difference is meaningful.

Glasgow is a good-value base for music, nightlife, architecture, and west-coast Scotland, especially if you want a less formal city break. If you are still planning the rest of the trip, see our Glasgow destination guide for more ideas before you book.

Airplane and route-planning visual for London to Glasgow.