You can add baggage, seats and other extras to your flight with the airline directly. Most airlines have a Manage My Booking page to do this. You'll need your airline reference to log in which can be found on the Flights section of your documentation.
Make sure you have the following handy, as you might need all or some of it!
- Your flight reference found on your invoice/confirmation (This is not your Thomas Cook booking reference it's found in the flights section of your Thomas Cook invoice and is labelled Airline reference or Flight booking number (depending on when you booked your holiday shown below If you're having trouble using your airline reference on your airlines website, please check you are using the right letters and numbers as the letters I O Z can look like the numbers 1 0 and 2. The reference is a random selection of numbers and letters in any order and could also be just letters.
or 
- lead passengers surname,
- The email address (the one your confirmation was sent to),
- Your flights dates,
- and your passport details
Here are some quick links to help you for our most popular airlines: