Fly from Washington Dulles to London or Manchester, England, for $409, including $160 in taxes. The BMI sale is good for travel departing by April 30, with a 30-day maximum stay. Buy tickets by April 23. Either a Saturday overnight or a three-night stay is required, and availability is limited on some days. The airline flies nonstop to Manchester daily except Tuesday, with connecting service to London. Info: 800-788-0555, www.flybmi.com.
