From my Airfare Watchdog e-mail newsletter...
First, peak summer fares to Manchester, England: Delta started it, now American and USAir have joined in. You can fly from Boston, Cincinnati, New York, Newark, Washington, Miami and Orlando for $475 to $570 RT, including all taxes, even in July and August. It's really cheap to fly from Manchester to, say, Rome: $118 RT plus taxes. And from MAN, it's as low as
$57 RT on British Airways plus tax to Paris. You get the picture. Fly into Manchester, even if it's not your final destination.
Boston/Manchester is $369 RT plus tax on American and Delta for July/August travel.
New York JFK/Manchester is $475 RT with taxes (after clicking on this link, scroll down until you come to the $379 RT base fares on several airlines; ignore the "lower" fares).
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So, for everyone that hasn't yet booked their summer travel to Europe - check how much it is to fly roundtrip to Manchester first!