Priceline.com's Airfare Index for the Week of January 5, 2009, Tracking Weekly Changes in Domestic Airfares

-(Business Wire)-January 5, 2009 - Priceline.com’s (Nasdaq: PCLN) Airfare Index is a tracking barometer that looks for the largest week-to-week swings in average published-price roundtrip airfares for select markets. Each dollar amount shown is the average of the lowest fares returned through multiple airfare searches for flights that are at least 7 days away from departure. The percentage change compares fare averages for the current week with those from the previous week. Amounts shown include all taxes and airline fees. Airfare pricing is subject to change and there is no guarantee that any airfare will be available at the amounts shown.

Priceline.com Airfare Index For Week of January 5, 2009

	Fare changes for this week vs. last week

Route	New Price	Change

Philadelphia to Los Angeles	$ 325	-25%
Miami to New York City	$ 214	-25%
Baltimore to Tampa	$ 176	-25%
Atlanta to Las Vegas	$ 265	-24%
Baltimore to Ft. Lauderdale	$ 195	-23%
Denver to Washington, DC	$ 289	-22%
Los Angeles to Chicago	$ 296	+4%
Buffalo to Orlando	$ 235	+5%
Boston to San Francisco	$ 392	+5%
Syracuse to Orlando	$ 298	+6%
Dallas to Washington, DC	$ 489	+11%
Washington, DC to Honolulu	$ 704	+12%