61 minutes quicker than the National Express coach to Gatwick (sold from £21.50), for up to £2.50 more.
Thameslink to Gatwick, via the Luton DART
Thameslink · Thameslink and Luton DARTPickup, hours & luggage
Boards at. Luton DART from the terminal to Luton Airport Parkway, four minutes; the trains leave from the main-line platforms
Two purchases: £19.10 by contactless at Luton Airport Parkway (£30.80 between 06:30 and 09:30 and 16:00 and 19:00 on a weekday; otherwise off-peak), plus the £4.90 Luton DART single at its machine or online. Oyster is not accepted at Parkway. A through ticket to "Luton Airport" includes the DART.
Luggage. Racks by the doors and overhead; the DART is built for suitcases.