Chelsea are theoretically facing budget travel and accommodation for their Champions League clash against Lille on March 16.
The club's billionaire owner Roman Abramovich was sanctioned by the UK government on Thursday morning following Russia's invasion of Ukraine last month.
The Russian oligarch's assets have been frozen, with Chelsea receiving a restrictive sporting licence from Boris Johnson's cabinet.
Chelsea are only allowed to spend £20,000 on travel for away games, which is believed to be much less than the club usually spends.
It's believed there is some flexibility around the limit for European games, although it's unclear how much the government are willing to concede.
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According to Hugo Scheckter - the founder of Player Care, a support service for footballers - away day travel for a Premier League fixture costs around £30,000.
Clubs must cover the costs of travel - usually a flight - security, food and hotels. The travelling party will include a squad of at least 20, plus coaching staff and administrators.
"Going abroad, don’t see how they can do anything other than either commercial flights or drive their bus & significant drop in standard of hotel," tweeted Scheckter. "[It] will make a big impact... and even £30,000 is a bit conservative."
There is no indication at this stage that Chelsea will travel by coach or stay in a budget hotel, as this is simply a worst-case scenario given the severity of the sanctions.
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It remains unclear how the club will handle these new restrictions. For instance, players could theoretically pay for their own travel, accommodation, food and security for away games.
Chelsea are yet to break their silence on Abramovich's sanctions and how they will proceed with the running of the club moving forward.
News of the billionaire's sanctions broke on Thursday morning and has dominated the headlines since, leaving Blues fans anxious about the future of the club.
"Given the significant impact that today’s sanctions would have on Chelsea football club and the potential knock-on effects of this, the Government has this morning published a licence which authorises a number of football-related activities to continue at Chelsea," read a government statement.
"This includes permissions for the club to continue playing matches and other football-related activity which will, in turn, protect the Premier League, the wider football pyramid, loyal fans and other clubs.
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"This licence will only allow certain explicitly named actions to ensure the designated individual is not able to circumvent UK sanctions.
"The licence will be kept under constant review and we will work closely with the football authorities."
Culture secretary Nadine Dorries added: "To ensure the club can continue to compete and operate we are issuing a special licence that will allow fixtures to be fulfilled, staff to be paid and existing ticket holders to attend matches while, crucially, depriving Abramovich of benefiting from his ownership of the club.
"I know this brings some uncertainty, but the Government will work with the league & clubs to keep football being played while ensuring sanctions hit those intended.
"Football clubs are cultural assets and the bedrock of our communities. We're committed to protecting them."
