My girlfriend has applied for a SVV to the UK and stated the total estimated cost of her trip would be 1400 USD (about 1,082 GBP) for a three-week stay. This is because flights about a week ago were $800.
Upon checking flights today, after her application has been sent away, they were no cheaper than $1300 for a return.
The estimated cost of her trip is no longer accurate and I am concerned that they may think we are attempting to deceive them. She has approximately 6000 USD in her savings and checkings so can still comfortably cover the cost of any changes in flights. She has included proof of her finances in the form of bank statements with regular income from her job dating back the past 5 months.
Is there a way to rectify this incident after the application has already been sent out? Do you think they will be aware that the estimated cost of her trip is no longer accurate and find grounds for refusal?
Edit: Here are two posts I made explaining our situation, if needed. Standard Visitor Visa for US Citizen