Flights From Denver To San Diego — from €80
Compare cheap flights from Denver 🇺🇸 to San Diego 🇺🇸. Real prices, daily refreshed from Aviasales.
Live cached prices from Aviasales. Pick a month, compare, book in one click.
Other ways travelers describe this route — we cover all of them on this page:
🏨 Search Hotels in San Diego — Compare 100+ booking sites
🚗 Rent a Car in San Diego — 800+ rental brands worldwide
🚙 Local Car Rental — Owner-operated fleets
🎧 Self-Guided Audio Tours of San Diego
🎫 Skip-the-Line Tickets
🚕 Airport Transfer
🛡️ Travel Insurance from $4/day
📱 Get an eSIM (code FALLY20)
✈️ Flight Delayed? Claim up to €600
Denver → Barcelona Denver → Madrid Denver → Malaga Denver → Valencia Denver → Seville Denver → Ibiza Denver → Mallorca Denver → Tenerife Denver → Gran Canaria Denver → Lanzarote Denver → Bilbao Denver → Granada Denver → Lisbon Denver → Porto Denver → Faro Denver → Madeira Denver → Rome Denver → Milan Denver → Venice Denver → Florence Denver → Naples Denver → Palermo Denver → Catania Denver → Bologna Denver → Bari Denver → Verona Denver → Pisa Denver → Sardinia Denver → Paris Denver → Nice
London → San Diego Paris → San Diego Amsterdam → San Diego Brussels → San Diego Frankfurt → San Diego Munich → San Diego Berlin → San Diego Hamburg → San Diego Zurich → San Diego Geneva → San Diego Vienna → San Diego Dublin → San Diego Madrid → San Diego Barcelona → San Diego Lisbon → San Diego Porto → San Diego Rome → San Diego Milan → San Diego Naples → San Diego Athens → San Diego Copenhagen → San Diego Stockholm → San Diego Oslo → San Diego Helsinki → San Diego Reykjavik → San Diego Warsaw → San Diego Krakow → San Diego Prague → San Diego Budapest → San Diego Bucharest → San Diego
Updated 2026-04-14 · Real-time travel data · Affiliate disclosure: this page contains affiliate links — we earn a commission if you book.
The Denver to San Diego flight takes approximately 1–5 hours. Total journey time including check-in and airport transfers adds 2–3 hours. Filter search results by total journey time, not just fare, to find the most efficient routing.
January, february, and november typically offer the lowest fares, often 15–25% below peak-season prices. Shoulder season — April through May and September through October — balances value with excellent travel conditions. Avoid school holiday windows, when demand drives fares sharply higher.
Book 3–5 weeks ahead for the best price and seat availability. Fares typically rise sharply inside 14 days of departure. Searching on Tuesday or Wednesday mornings returns 10–15% lower fares than weekend searches on average.
Yes, nonstop options operate on this route — frequency varies by season.
Set a fare alert for the route and search ±3 days around your target travel dates. Compare fares from nearby airports — a short drive can unlock significantly lower base fares. Self-connecting through a separate booking can beat bundled itinerary prices by 20–30%, though this carries risk if your first segment is delayed.