11.   But a growing number of passengers are are bypassing agents and searching for low fares on their personal computers, through on-line services.

12.   But he expressed confidence that low fares and a small-scale start-up will assure survival.

13.   But if you have gotten a low fare, you should probably expect bus service.

14.   But Peterson of Hotwire recommended grabbing bargains now because, he said, the industry cannot afford to keep offering such low fares.

15.   But low fares are likely to continue this fall and next year.

16.   But the traffic growth was fueled by low fares that eat into airline profits.

17.   But this fall, with trans-Atlantic travel in a slump, there are more seats available at these low fares and fewer time restrictions.

18.   But unlike the original, the new airline is also stressing low fares.

19.   By keeping plane costs down, British Air will be able to offer low fares and attract tight-fisted customers.

20.   Callers on a quest for low fares are even more disconcerted when they sometimes discover that no such cheap fare exists at all.