British Airways (T2) To Air Asia (T4) Transit In Singapore Requires Immigration & Customs Clearance


A LoyaltyLobby reader dropped me an email rather suboptimal transfer experience between terminals in Singapore when coming in on British Airways (T2) and leaving on Air Asia (T4) that ended up requiring the passenger to clear Singapore immigration and customs.

Singapore T2 To T4 Transfer Experience

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Here’s the email from the reader:

Just transferred at SIN from T2 to T4.

Arrived in on BA flight and then walked the 20 mins to gate F51 to get the inter terminal bus to T4 to be told that as I’m traveling on with Air Asia (checked in online with e boarding pass) I can’t transfer airside between terminals, but have to clear immigration and customs, catch a transfer bus outside the terminal then recheck in to get a paper boarding pass and go through immigration again to exit. (Even though I’m going straight up to KUL)

Real nightmare and only just made flight because guy at F51 gate was amazingly helpful and took me all the way through to checkin at T4.

Might be a good idea to post something saying that if you’re transferring on with air Asia that you have to clear customs etc and get round to T4 via courtesy Bus that takes 20+ minutes, so allow extra time.

Really hope that situation might get resolved so you can transfer with e boarding pass.


Just doesn’t make much sense here. Is the airport trying to make it as inconvenient to transfer to Air Asia as possible or what could be the reason behind this set up?

SIN Immigration Lines

The immigration lines used to be non-existent in Singapore but that is no longer the case. Recording of fingerprints has slowed down the processing and it might take 10 to 15 minutes to get through (perhaps longer during peak times but that is my personal record).

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