"Seventy-one pounds to watch a Europa League match is extortionate," Andy Mitten, editor of the United We Stand fanzine, said.
"The combined cost of all three tickets for Manchester United's Champions League away games was only 75 pounds. Do they think United fans are three times wealthier than Southampton fans? Midtjylland are ripping fans off -- their own and the 800 travelling fans."
Last week, Liverpool's owners abandoned plans to raise the price of the most expensive match-day ticket to 77 pounds next season after supporters staged a walkout protest during their home game against Sunderland on Feb. 6.
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Duncan Drasco, chief executive of the Independent Manchester United Supporters' Trust, described Midtjylland's stand on pricing as a "real slap in the face".
"Clubs need to accept they are not selling tickets in a normal competitive market as fan loyalty means each club is an effective monopoly so they shouldn't be applying normal supply and demand economics," he added.
(Reporting by Simon Jennings in Bengaluru; Editing by John O'Brien)
