This is never proper. They may not be able to enforce it, but flights can potentially be delayed. There can also be other limitations, e.g.:
* You cannot check you luggage to HKG. In the event they cannot allow you to bring your carry-on, you may have to dispose of it.
* Unless you are a resident in Taiwan, you need to have an outbound ticket. Otherwise they will not even let you board.

flights within 24 hours are not considered "stopover" so even if your ticket rules don't allow a "stop-over" you can always request the last segment HKG-TPE on business booked on next day, within 24 hours. That avoids your bag checked-through to TPE and you can always call and cancel the last leg after you get home in HKG.

When you are done with the segments you want, call them and tell them you are throwing away the last segments. Ex-TPE TKTs usually allow stopover on the way back at HKG. All you have to pay is HK tax. This is a good deal as you can use the HKG-TPE sector to start your next ex-TPE TKT.

Thanks. I already stopped over on the outbound, and my ticket only allows one stopover on the itinerary - otherwise I would have done just that. I will probably just arrange a one day stopover under 24 hours as fakecd suggests.

as a heads up since about several months ago, maybe 2012 April, ex-TPE I-tickets have changed most of its stopover rules such that you are only allowed HK stop-over on OUTBOUND not inbound. This is exactly to discourage many guys like me and my colleague who used last-I-class segment of the ticket to fly to TPE on commencement of next journey.

With new rule they force you to purchase a one-way ticket to TPE to commence your next travel.

The work-around is, after you returned from your destination on the ex-TPE ticket, fly to TPE on last coupon but return to HK on the first-segment of next ex-TPE I-class ticket, then have stop-over. Of course this assumes you are frequent traveller of same route, as most I-fares have validity of 3mths or so.

Actually...we may both be wrong. Looking at the fare sheets right now, it seems that ex-TPE NA C/D/I nett fares do not allow stopover either way now.

i don't know every fare rules at all times but won't be surprised if that's the case. However one can always catch a HKG-TPE-HKG after work and take the flight to wherever the next day within 24hours.

Is this still possible with the new system and married segments etc?

why does it be married segments and/or have any issue if the sole intention is to dump the last segment of journey? My collague does it all the time and don't think he ever faced the problem to be honest.

Married segment has nothing to do with that. It only applies when you are cancelling one of a connecting segments from reservation, and not if you end up taking the connecting FLT.

If you are just throwing away the last segment, then none of the rules would worry you (until they try to hunt you down). Although, for the records, TPE to NA does not allow stopovers for class I/D tickets, although tickets to SE Asia still allows an inbound stopover at a cost of 1,500 TWD, but not for outbound. To make things confusing, however, TPE to destinations such as Australia allows 1 free stopover outbound, but not the inbound.

to LHR (maybe Europe in general), the outbound is no-stopover but inbound you can choose to stop. However, my TA restricts the overnight transit out the outbound...

Sorry to drag up an old thread. Is anyone able to post the new fare rules for ex-TPE I-class about the stopovers? I just issued one myself (SYD) and still can't see it (there used to be link that directs you to the relevant fare rules to each fare class but that's gone).

The closest thing I can find on the ticket itself is :-

ENDORSEMENTS : NONEND/RRTE/VLDTPECXKADEP 04JAN-06FEB/14FEB-20JUN13 VLD CXKA HKGTPE/KHH/TXG

Thanks.

I recently booked a TPE-HKG-BKK-HKG-TPE I fare. I can have a stopover in HKG on the way back (for 5 months) had to pay an additional 500 HKD. (Booked via CX TPE office)

Here's the conditions on the TPE-SYD Business Save fare below.
You can also check through the booking engine by either clicking the "Fare Family" Name, in this case, the "Business Save" fare or by adding different stopovers during the multi city option in the booking engine on cx.com I tested both, and a SYD-HKG stopover is priced 3 times more than that free TPE-HKG stopover!

Anyhow, here it is.

#Routing
Taiwan to Australia
Travel Class
Business
Rebooking
Free of Charge
Cancellation Fee
Before departure: TWD2400
After departure: TWD2400
Mileage Accrual
You can accrue Asia Miles on this fare
Upgrade with Miles
Permitted
Pre-book Your seat
Permitted
Stopover
Stopover Hong Kong:
1 Stop(s) permitted. On the inbound not permitted. On the outbound free of charge.