Travel agents and holidaymakers are calling for more clarity from the government after Brexit amid fears non-essential EU travel could be banned.
A spokesperson for the Association of British Travel Agents (ABTA), Emma Brennan, said people "aren't thinking about travel in the same way" because of the pandemic - and Brexit threatens to "create more uncertainty".
After a year "like no other", travel agents believe the industry has not received the same support as other sectors during the pandemic - and that is without the impact of a potential no-deal Brexit.
The UK will no longer be part of the European Union's free movement rules after 1 January, and there have been fears non-essential travel to EU destinations could be stopped when we leave the bloc.
But Ms Brennan described this as a "red herring", saying: "This year will have shown EU destinations just how important UK travellers are particularly to places like Spain and France in terms of holidaymakers bringing in some very important revenue."
Just a small number of countries with low COVID-19 rates are exempt from rules that bar non-essential visitors from outside the EU and European Economic Area (EEA), but ultimately it will be down to individual countries to decide their own rules.
Travel expert Simon Calder told Sky News: "Places like the Canary Islands are desperate for British travellers to come back through the winter so you can be fairly sure they will make life easy.
"Whereas somewhere like Finland, they've already lost the Santa trade, they're not in any hurry to welcome Brits back."
Travellers have told Sky News they are confused by what the rules will be after 1 January and are avoiding booking trips because of Brexit.
One person said: "I have a British passport and I'm wondering do I need stamps to get into each country, what are the barriers, how much is the cost, I don't really know, I'm frustrated."
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Another traveller who was trying to book a holiday at a travel agent said he left "more confused", adding: "Wake me up when COVID and Brexit are over and we know what we can do."
The Department for Transport said it is reviewing the details of the EU's travel regulations and that both sides have a "mutual interest" in maintaining connectivity.
A spokesperson said: "We have always been clear that we want to ensure customers can continue to fly regardless of the outcome of negotiations."
