Originally Posted by
SK AAR
Taken into account that these tickets were purchased months ago (for parents going to visist their sons in the US), it is likely to be a discounted business fare rather than in a high booking class/expensive fare (anything else wouldn't make sense) i.e. change fees wil certainly apply + SFO is likely to be more expensive than IAD even if same booking class is available today.
Yes, but
you do not know the, fare rules, change fees (or cancellation fees) involved in the market the ticket was purchased in. Not all change fees are as high, and changes are not always as restrictive, as they are fir tickets purchased in the UK. Surely it would be prudent for the OP to check?