We've compared all 20 flights that go to or via Denver every week, to find the best deal for you. Alaska Airlines usually has the cheapest flights from San Diego to Denver, so keep an eye out for them in your search results. If they’re not the cheapest option, try searching by month to compare costs throughout the week.
We scan thousands of airfares from hundreds of airlines across the globe. We've found that two airlines operate the 1372 km flight from San Diego to Denver. Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute flight deal.
To sort cheap flights to Denver, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on Alaska Airlines too, as they're the most popular airline for flying from San Diego to Denver.
Flights from San Diego to Denver normally take 7 hrs 10 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our holiday package and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.
