FlyerTalk Forums - View Single Post - Upgrade from WTP to Business using Avios

Jan 25, 2022 | 5:49 am

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Quote:

Originally Posted by croydonflyer

Is there any way to check the taxes and fees payable if I were to upgrade one leg of a return flight (BA, paid in cash) from WTP to business?

...

For reference, I am buying a ticket (in cash) from LON to NYC, return (on BA)
Outbound would be economy, return premium economy (WTP).

I'd only be upgrading the return flight.

Quote:

Originally Posted by croydonflyer

So I made a dummy cash booking, single flight, NYC to LON, in WTP.
Cost is $566.80 (of which fare $277.00, i.e. charges are $289)

I then made another dummy cash booking, single flight, NYC to LON, in business.
$3,379.80 (of which fare $2,650.00, i.e. charges are $729)

Difference in charges is 440 USD = 327.14 GBP

Does this sound about right? Correct procedure to estimate fees and taxes?

No, this isn't the right way of doing it.

You need a LHR-JFK-LHR cash booking in WT out, WT+ back. Total TFC £322.06.

Then you need a LHR-JFK-LHR cash booking in WT out, CW back. Total TFC £454.56.

The extra TFC if you UuA from WT+ to CW on the JFK-LHR sector only should therefore be £132.50.

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