Thomson Flights typically offers travel insurance as an option when booking flights or holiday packages through their website. This insurance can provide coverage for various travel-related issues, such as trip cancellations, medical emergencies, lost luggage, or delays. It is advisable for travellers to consider their personal needs when selecting insurance. If travellers wish to purchase travel insurance after booking their flight, they might still find options through third-party insurance providers. Therefore, it is beneficial to explore all available options to ensure adequate coverage for the entire trip. For more detailed information regarding travel insurance options, including pricing and coverage specifics, it may be best to consult the relevant section on the Thomson Flights website.