Looking for the top-rated Seattle whale watching tour? View orca, humpback, other whales and sea life on an excellent whale watching day trip from Seattle to the San Juan islands, some of which include a stop-over in Langley. During the winter months, Clipper Vacations offers fun day trips to festive Christmas events in both Leavenworth and Langley. Have more time? Check out our Seattle to San Juan Island Overnight trips.