I dont think it will be much more expensive, i cant really remember with ours it was about 9 years ago now. Perhaps do a couple of dummy runs with an online site and you would have a better idea at what to expect. Ebookers and Lastminute.com have multiflight searches. :)
If you look at the american carriers most serve most airports and you can pick from their services . And often several at different prices the cheaper ones tend to have longer stop overs , arriving later, and leaving earlier.
If you can hack a 6 to 19 hour stop over there is some good buys.
But these services are not for me. 2 -4 hrs is long enough. I dont like stop overs at best of times but needs must.
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