At major London airports like Heathrow or Gatwick, Frontier Airlines does not have a full-service office or check-in desk. Rather, the London office mainly acts as a customer service point of contact for travelers going to or from the UK. Frontier Airlines London OfficeFor help with booking flights, modifications, cancellations, luggage concerns, or general travel questions, travelers can contact the office. Although London is not a major hub, the office guarantees customer service support for foreign passengers on Frontier Airlines' low-cost business model. For additional information on services and reservations, passengers can visit the airline's official website, phone the customer service hotline, or send an email to the office.