Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is San Juan (50% of total searches to La Union). The next most popular destinations are San Fernando (45%) and Bauang (5%). Searches for hotels in Luna (0%) are also popular.
KAYAK users have found double rooms in La Union for as cheap as $12 (Bauang) in the last 3 days. The average price is $198.