What are "anx9c1s6 type fares", as seen on the following screenshot I got from britishairways.com while making a booking?

britishairways.com screenshot

(Googling yields zero hits.)

  • 1
    I can't say for certain but it looks like it might be a big in the website - have you sent that screenshot to BA?
    – skifans
    Nov 17, 2018 at 12:01
  • The last part of the information (‘no earlier than the first sun’) makes no sense either
    – Traveller
    Nov 18, 2018 at 0:05
  • 1
    @Traveller: I interpret that to simply require Saturday night stay ("[return] no earlier than the first sun[day] after arrival"). That was consistent with the price graph I was shown.
    – NPE
    Nov 18, 2018 at 3:51
  • 2
    It looks like a fare code. They are usually printed uppercase, but fare rules are usually printed all upper case, so they probably lowercased all the text including the fare code. It’s a bit long compared to other fare codes, but probably still a possibility. It would be in booking class A, so discounted first class. One would need to check available fare codes on BA to be sure.
    – jcaron
    Nov 18, 2018 at 10:48
  • @jcaron: Thanks for the pointer. I think you may be right and this is indeed a lowercased fare basis code. I'd be curious to deconstruct it (beyond it being discounted first class, which indeed it is), but I'm struggling to find any information online on how to decode the rest. Would appreciate any pointers.
    – NPE
    Nov 18, 2018 at 16:24

2 Answers 2


I spoke with BA over twitter.

The code would relate to the rules and restrictions on the ticket. If booking via our website, these would be advised at the time of booking. Nearly all flights would have underlying fare types such as this, and as you point out, 'A' fares would usually be restricted First class fares. These would normally have fees attached to change the booking, and may have a fee for cancellation or be non-refundable.

So as suspected, the A is restricted first class, but the rest is related to your specific booking, and they couldn't give more information without more information from your side.


As fare codes, after the first letter, are airline specific and BA does not share the full list with the general public, you may never find the full explanation. You worked out much already by working out you need to stay a Saturday night.

It is a long and complicated code but those are not unlikely, even though they are rare.

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