Can I combine different airlines on the same trip?

Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

Is lastminute.com a trustworthy travel brand?

In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

What options are there if I have to change my flight?

lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.**Flexibility services are available on selected flights only. Please read our T&Cs for more information.

I am afraid to lose my luggage, every time I fly. What can I do?

lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.****Baggage protection services are available on selected flights only. Please read our T&Cs for more information.

How long does a flight take between San Diego and Denver?

The flight from San Diego to Denver has a duration of 2h 38m.

What are the cheapest flights from San Diego to Denver?

The cheapest one-way flight costs £141 flying with Southwest Airlines and the cheapest return flight costs £193 with Southwest Airlines.

How many airports are there in the city of San Diego?

San Diego has 1 airport: San Diego International Airport.

How many airports does Denver have?

There are 1 airports in Denver: Denver International Airport

Which Denver airport is the most central?

The most central airport is Denver International Airport, 29.5km.

Which airlines have flights from San Diego to Denver?

There are 6 airlines with flights from San Diego to Denver; Those that offer lower prices are Southwest Airlines (£318).

Schedules of the first and last flight from San Diego to Denver

The first flight from San Diego to Denver is at 10:10 and the last flight departs at 21:00.

Cheap flights from San Diego to Denver

Fly smart, spend less

Flights to Denver from San Diego

Cheap flights from San Diego to Denver from £141. San Diego (United States) - Denver (United States) return flights from £193. From 06/11/2026 (Friday) - 08/11/2026 (Sunday). Check for the dates with the lowest prices and find the cheapest rates.

Round trip

Direct

One Way

Southwest Airlines

Round-trip flights from San Diego to Denver

Cheapest round-trip flights from San Diego to Denver

06 Nov - 08 Nov • 2 nights
13:25SAN
2h 20mDirect
16:45DEN
Southwest Airlines
08:35DEN
2h 25mDirect
10:00SAN
Southwest Airlines
from£193
06 Nov - 08 Nov • 2 nights
17:25SAN
2h 20mDirect
20:45DEN
Southwest Airlines
08:35DEN
2h 25mDirect
10:00SAN
Southwest Airlines
from£193
06 Nov - 08 Nov • 2 nights
14:40SAN
2h 20mDirect
18:00DEN
Southwest Airlines
08:35DEN
2h 25mDirect
10:00SAN
Southwest Airlines
from£193
06 Nov - 08 Nov • 2 nights
20:00SAN
2h 25mDirect
23:25DEN
Southwest Airlines
08:35DEN
2h 25mDirect
10:00SAN
Southwest Airlines
from£193
06 Nov - 08 Nov • 2 nights
13:25SAN
2h 20mDirect
16:45DEN
Southwest Airlines
07:15DEN
2h 30mDirect
08:45SAN
Southwest Airlines
from£193
06 Nov - 08 Nov • 2 nights
14:40SAN
2h 20mDirect
18:00DEN
Southwest Airlines
07:15DEN
2h 30mDirect
08:45SAN
Southwest Airlines
from£193

Explore all offers

Direct flights from San Diego to Denver

Book direct flights from San Diego to Denver for a smooth journey.

Explore all offers

Flights from San Diego to Denver one way

Find one-way flights from San Diego to Denver at great prices.

Explore all offers

Southwest Airlines flights from San Diego to Denver

Fly with Southwest Airlines from San Diego to Denver for less.

Explore all offers

San Diego to Denver flight information

DEPARTING FROM:

San Diego International Airport

ARRIVING IN:

Denver International Airport

AIRLINES:

Alaska Airlines, Frontier Airlines, more

AVG FLIGHT TIME:

2h 38m

More information about flights to Denver from San Diego

Good to know

Information about flights from San Diego to Denver

Not only can you use the lastminute.com website to search low cost flights, but we have even preselected some flight offers from San Diego to Denver for you to save you time.

lastminute.com’s facebook page gives you an easy way to stay up to date with giveaways and promotions on low cost flights and holidays to Denver from San Diego.

Looking for low cost flights from San Diego to Denver ? Then look no further… lastminute.com searches all available flights from San Diego to Denver from amongst the top low cost and scheduled airlines.

lastminute.com would like to be the perfect travel tool for all your travelling needs . The lastminute.com App is also available for the smartphone so you don’t miss out and being able to use our search engine from wherever you are.

Explore the additional services available on lastminute.com even once you have booked your flight San Diego-Denver . On lastminute.com, as well as your flight San Diego-Denver, you can also book car hire, ready for you on arrival in Denver. If you want to stay in Denver, our website has also created a way for you to book a hotel room in Denver with no fuss.

FAQs San Diego to Denver flights

FAQs

Can I combine different airlines on the same trip?
Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.
Is lastminute.com a trustworthy travel brand?
In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.
What options are there if I have to change my flight?
lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.*
*Flexibility services are available on selected flights only. Please read our T&Cs for more information.
I am afraid to lose my luggage, every time I fly. What can I do?
lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.**
**Baggage protection services are available on selected flights only. Please read our T&Cs for more information.
How long does a flight take between San Diego and Denver?
The flight from San Diego to Denver has a duration of 2h 38m.
What are the cheapest flights from San Diego to Denver?
The cheapest one-way flight costs £141 flying with Southwest Airlines and the cheapest return flight costs £193 with Southwest Airlines.
How many airports are there in the city of San Diego?
San Diego has 1 airport: San Diego International Airport.
How many airports does Denver have?
There are 1 airports in Denver: Denver International Airport
Which Denver airport is the most central?
The most central airport is Denver International Airport, 29.5km.
Which airlines have flights from San Diego to Denver?
There are 6 airlines with flights from San Diego to Denver; Those that offer lower prices are Southwest Airlines (£318).
Schedules of the first and last flight from San Diego to Denver
The first flight from San Diego to Denver is at 10:10 and the last flight departs at 21:00.