It’s becoming more common for airlines to charge travelers a fee for checking luggage. Before you book your flight, take a look at our chart to see who’s charging what! Policy changes are becoming more frequent, be sure to check back each time you fly. Airlines Applicable destinations View Policy 1st bag1 effective date 2nd bag1 Domestic, International  View policy No Fee No Fee Domestic  View policy $15 11/12/08 $25 Domestic  View policy $15  5/1/09 $25 Domestic, Mexico  View policy $15  6/15/08 $25 Domestic, Latin America  View policy $15 9/5/08 $25 Domestic International  View policy $15 12/5/08 $25 $50 7/1/09 Domestic, International  View policy $15 11/1/08 $25 Domestic  View policy No Fee No Fee Domestic  View policy No Fee $30 6/3/09 Domestic  View policy $15 $25 Domestic  View policy $15  7/10/08 $25 Domestic  View policy No Fee No Fee Domestic  View policy $15/$252 6/20/08 $25 Domestic  View policy $203 5/13/09 $303 Domestic  View policy $15 7/9/08 $25 Domestic  View policy $15 3/19/09 $15 Domestic, International  View policy No Fee $25/$35/$90 discounts if paid at ba.com 1 Baggage policies apply each way for select flights. 2 The charge for the first checked bag will be $15 when paid using Online Check-In or $25 when paid at the airport kiosks and ticket counter 3 A $5 per bag discount can be applied to these rates if you prepay your fees online at United.com Note: Baggage policy and fees are subject to change by the airlines at any time. Please see the airline's Web site for the most current information.