FlyerTalk Forums - View Single Post - Flying up front:Upgrade fee may be more or less then up-faring/purchase directly,Why?
Old Sep 25, 2023 | 12:50 pm
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xliioper
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Originally Posted by Kacee
Quite the opposite: UA calculates domestic upgrade prices based on the differential from Y to F. This can sometimes result in a discount to the current F fare because it calculates based on the theoretical difference rather than the actual differential.
Not my experience. Here are a couple fare differentials on DTW-MSP (L and T fares) from EF. The $80 and $90 seat upgrade offers (total $170) did not match the $130 fare diff (which can't be split across segments due to being single fare component).




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