Originally Posted by
a9504477
For upgrades with TK miles, do you still have fees/taxes to pay or is it just the miles? And, are there any economy fare classes from which it is not possible to upgrade?
Any TK revenue fare is upgradable, even though information on the website didn't always reflect this...
If you upgrade on flights from the UK, you should have to pay the APD supplement for premium class travel. AFAIK the always collect this extra tax, but YMMV
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That'll be an additional £13 (£26-£13) if you're flying to a Turkish destination, but £124 (£150-£26) if you're off somewhere more exotic (band B) and don't have a 24H+ break in Istanbul.