Could you please help to explain how the below air ticket fare break down? Electronic ticket

I see the XT tax $130.55, the fare calculation shows the break down, but it does not really match. As far as I know that ROE means rate of exchange, so 1.00 is the exchange rate.

However, if I sum up the rest of amount it is $129.90, and there is still a difference of $0.65.


  • 1
    An exchange rate of 1.005 could be displayed as 1.00. This explains a 0.65 difference. – ugoren Jun 15 '17 at 19:34
  • 1
    @ugoren there's no exchange calculation for which the rate could plausibly be 1.005. The current rate between CAD and USD is 4/3. Besides, the fare is explicitly quoted in CAD. – phoog Jun 15 '17 at 20:20
  • @phoog, The OP mentioned a 1.00 exchange rate. I really don't know between what and what. Maybe CAD to CAD, and then 1.005 really doesn't make sense. – ugoren Jun 15 '17 at 20:27

The fare calculation should be as below. All in CA$
452.00 fare
30.00 SQ
12.10 CA
24.71 (not shown) XG (5%GST of the above 3)
5.27 XA
9.32 XY
7.32 YC
47.94 US
7.46 AY
5.99 XF


XT in their calculation is SQ+XG+XA+XY+YC+US+XF (no CA and AY) which comes to $130.55

The Passenger facility charge for IAH is shown in both CAD$5.99 and US$4.50 at the end.

  • Any idea why XG was omitted from the horizontal calculation? – Calchas Jun 16 '17 at 9:27
  • @Calchas Only think I can think of is that it's a manual error. Why should that AY be shown in the taxes section instead of XG? – Berwyn Jun 16 '17 at 10:41

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