Yes, you will need to check-in online as some airline charge you to check-in at the airport. Checking in online is the best way to save time at the airport, add more luggage, some airlines may allow you the option to change your seat number. 

Just follow the link to the airline's website which can be found on your booking summary or receipt and it's a straightforward process. Please don't forget to check-in for your return flight too! You may be on holiday when you need to do this. If you need your boarding cards at any time please go to the airlines website.

To help you, we have added some of the most popular airline link's with information on how to check-in for your flights at the bottom of the page and the information of if you can check-in at the airport.

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). 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 letter 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.

• Lead passengers surname, 
• The email address (the one your confirmation was sent to),
• Your flights dates,
• And your passport details.

You will find a link to the airlines website on your Thomas Cook invoice or vouchers shown below.

From here you can usually find a check-in section along the top of the webpage with a few examples shown below.

Check-in information by airline