FlyerTalk Forums - View Single Post - Are the crazy J fuel surcharges added when upgrading using Avios?
Old Oct 23, 2021 | 4:21 pm
  #5  
cauchy
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There's an edge case with a T class booking in World Traveller Plus. Sometimes this has a lower fuel surcharge than that charged with redemptions (e.g. on LHR-JFK). So you're after the difference between fuel surcharges in redemption-club and revenue-wtp.
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