Flights to San Diego from Boulder - ¥12,750

Popular airlines from Boulder to San Diego

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Cheap Flights from Boulder to San Diego (DEN-SAN)

Prices were available within the past 7 days and start at ¥12,750 for one-way flights and ¥31,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
American Airlines
American Airlines
Delta
United

Find the cheapest month to fly from Denver (DEN) to San Diego (SAN)

August is typically the cheapest month to fly

From ¥6,950 - ¥18,553 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.