That’s a difficult one to answer. Our fishing, over here, is expensive by your standards. I have fished a bit in the States..in PA and am still amazed that your fishing is, effectively, free after the licence fee.
Our rivers are quite difficult to get onto. They are nearly all in private or club hands. Our still waters are easy to get onto but will cost you anything between $30 and $50 a day.
However, there is one organisation where you can obtain decent river fishing in lovely surroundings at a reasonable price and that is in Wales. The Wye and Usk foundation is the place to go. They are very helpful people and I suggest you email them with your requirements.
Scotland is easier I think but I know little about access to fishing up there.
The Wye and Usk Foundation:
http://www.wyeuskfoundation.org/
Anyway have a great trip..if I can help any more, let me know.