JetBlue Airways DUB Terminal provides travelers with a simplified travel experience, state-of-the-art amenities, and the ease of U.S. Preclearance. There are lots of dining, retail, and lounge options in this terminal to make your trip more enjoyable. Clearing customs in Dublin helps travelers arrive in the United States more quickly and smoothly. It will be a smooth and enjoyable trip with JetBlue's service at DUB.