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Route

Denver to San Diego: what the flight costs

In the last 60 days we checked this route 13 times. The typical return was £324 per person and the lowest £285, taxes and fees included.

Per person
Lowest seen£285
Typical (median)£324
Price checks, 60 days13

Check live prices

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Trips we picked on this route

Just found · from DenverWorth it, if

San Diego

16 – 18 Oct 2026 · 2 nights

  • Free cancellation at Best Western San Diego Pacific Beach/Mission Bay
  • Highs 85–96°F, little rain expected
  • No passport needed
The total, before you go

£1,087 for two · 2 nights · flights, hotel, taxes, fees & the resort fee

Flights £648 + hotel £388 + resort fee £51, taxes in · a checked bag each adds about £181

Frontier · with a stop · 8h 17m

The catch: Not nonstop: a stop on the way, 8h 17m in all.

Worth it if you want sun, sand and a pool; skip it if you want a city to walk.

Every fare we found in the last 30 days

CheckedTrip datesPer personAirlineStopsDurationSource
14 Oct 202623 – 25 Oct 2026£324F9with a stop10h 15mKiwi.com
14 Oct 202623 – 25 Oct 2026£285Frontiernonstop2h 27mGoogle Flights
14 Oct 202616 – 18 Oct 2026£372F9with a stop17h 11mKiwi.com
14 Oct 202616 – 18 Oct 2026£324Frontierwith a stop8h 17mGoogle Flights
14 Oct 202623 – 25 Oct 2026£295F9nonstop2h 27mKiwi.com
14 Oct 202616 – 18 Oct 2026£351F9with a stop8h 17mKiwi.com
12 Oct 202616 – 18 Oct 2026£367F9with a stop11h 9mKiwi.com
12 Oct 202616 – 18 Oct 2026£324Frontierwith a stop8h 17mGoogle Flights
12 Oct 202616 – 18 Oct 2026£351F9with a stop8h 17mKiwi.com
12 Oct 202623 – 25 Oct 2026£300F9nonstop2h 29mKiwi.com
12 Oct 202616 – 18 Oct 2026£351F9with a stop8h 17mKiwi.com
12 Oct 202616 – 18 Oct 2026£347F9with a stop15h 47mKiwi.com
12 Oct 202623 – 25 Oct 2026£298F9nonstop2h 27mKiwi.com

About San Diego

San Diego has the most reliable beach weather in the country, plus the famous zoo, Balboa Park, fish tacos and a laid-back surf culture.

San Diego from every city: when to go, where to stay, what to do

Questions about Denver to San Diego

What does a return from Denver to San Diego usually cost?

Over the last 60 days the typical price we found was £324 per person, taxes and fees included, across 13 checks; the lowest was £285.

When is the best time to fly from Denver to San Diego?

San Diego is at its best in March, April, May, August, September, October and November. Avoid June: June Gloom marine layer

Do I need a passport to fly from Denver to San Diego?

No passport needed for travellers from the United States: a government photo ID is enough for San Diego.

Prices converted from US dollars at the rate of 15 Oct 2026.