4 nights at both -
First lets look at Bandon Dunes:
Golf : $175 green fee + 90 replay = $265 per day
so $265 x 3 = $795 for 3 days of golf(108 holes)
Hotel - Cheapest double split 2 ways - $150 x 4= $600
Flight - for example - from Atlanta - $438
Rental Car and gas - split 2 ways - $185
All together - golf, hotel, flight, and car = $2,018
Now England
Golf :
Deal 36 holes - 105lbs
Royal St George 36 holes - 130lbs
Walton Heath - 18 holes - 75lbs
St Georges Hill - 36 holes - 80 lbs
Total 390lbs
Hotel :
2 nights Kings Arms (Sandwich) 48lbs
2 nights London (split double) 120lbs
Total 168lbs
Train from London to Sandwhich and return - 26lbs
Total for Golf, Hotel, and Train - 584lbs
584lbs converted to US Dollars - $1,097.39
Plus flight - $451
Total $1548.39
Bandon - $2,018
England - $1548.39
Remember 108 holes at Bandon vs 126 in England. For the east coast golfer I can see almost no reason not to play in the UK.