The club returned to Europe's elite competition after a one-year hiatus by finishing fourth this season, but need to overcome a playoff opponent over two legs to advance into the lucrative group stage.
The increased price is based on the assumption that the side will make it through, returning prices to the 2013/14 level, when United made it through to the droup stages of the competition. Supporters will reportedly not receive a refund if the team fails to win their playoff in August.
Corporates suites at the club's Old Trafford ground can be hired for the entire season.
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