I have located a roundtrip delta flight to London in late May. Pricing on Expedia/Orbitz give my 11 year old a 100.00 child discount.

When I book the same flight on delta.com the price is 100.00 more....essentially not giving a discount to my son. I put in all our FF mile numbers for myself/wife and two sons and have carried the reservation as far as I can go without purchasing and the price remains unchanged.

I would like to get the bonus miles for booking online but not for an extra 100.00.

Is it possible to get a child discount by booking online with delta??

Any thoughts or help would be appreciated. Newbie. Bryan