Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from San Diego to Denver

1 adult
0 bags

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from San Diego to Denver

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from San Diego to Denver.
Air Canada Logo
SAN-DEN
2h 28mdirect
Air Canada Logo
DEN-SAN
2h 24mdirect
Air Canada
Find Deal
Frontier Logo
SAN-DEN
2h 31mdirect
Frontier Logo
DEN-SAN
2h 35mdirect
Frontier
Find Deal
Southwest Logo
SAN-DEN
2h 25mdirect
Southwest Logo
DEN-SAN
2h 25mdirect
Southwest
Find Deal
Copa Airlines Logo
SAN-DEN
2h 26mdirect
Copa Airlines Logo
DEN-SAN
2h 30mdirect
Copa Airlines
Find Deal
Lufthansa Logo
SAN-DEN
2h 26mdirect
Lufthansa Logo
DEN-SAN
2h 27mdirect
Lufthansa
Find Deal
SWISS Logo
SAN-DEN
2h 28mdirect
SWISS Logo
DEN-SAN
2h 28mdirect
United Airlines Logo
SAN-DEN
2h 28mdirect
United Airlines Logo
DEN-SAN
2h 24mdirect
United Airlines
Find Deal

See travel insights to Denver from

How to get the cheapest flight ticket from San Diego to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from San Diego is in January. Flight prices, which tend to average around R2 800, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until February to fly from San Diego, when ticket prices are also cheap, with an average price of R2 895.

What is the cheapest San Diego to Denver Intl flight route?

Fly from San Diego to Denver Intl for the best San Diego - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from San Diego when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around R3 453 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from San Diego for as low as R2 687 on momondo.

What cabin class options are available on San Diego to Denver Intl flights?

There are 1 cabin classes available to choose from on San Diego to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Diego to Denver flight prices changed over time?

As of April 2025, prices for San Diego to Denver flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Diego to Denver (SAN to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Denver

Direct flights

None
There are no direct flights from San Diego to Denver. There are no popular flight routes from San Diego to Denver.

  • How far is San Diego to Denver Intl by plane?

    The straight-line distance from San Diego to Denver Intl is 1339,5 km.

  • When did momondo last update prices for flights from San Diego Airport to Denver Intl Airport?

    Prices for flights from San Diego Airport to Denver Intl Airport are updated daily.

  • How old do you have to be to fly from San Diego Airport to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Diego Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Diego to Denver?


Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Denver?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from San Diego.

Can I find flights from San Diego to Denver with flexible booking policies on momondo?

All flight searches from San Diego to Denver on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Denver?

Once all potential San Diego to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Diego to Denver right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Diego to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.


An easier way to manage your Denver trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 20/4
Sun 27/4

Find better results for your trip to the United States

Fly your favourite airline to Denver

Airlines are sorted and displayed according to clicks in the past 7 days on momondo