Cheap flights from San Diego, CA to Denver, CO

Flights starting at £18. Choose between Frontier Airlines, United Airlines, or Alaska Airlines to find the best price.

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Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to Denver. The distance between San Diego and Denver is 1372 km. The most popular airlines for this route are Frontier Airlines, United Airlines, Alaska Airlines, Spirit Airlines, and AeroMéxico. San Diego and Denver have 163 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from San Diego to Denver in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 01.04 - Sun 07.04

AirlineMon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04Sun 07.04
65---------------
2423123

Weekly direct flights for Mon 08.04 - Sun 14.04

AirlineMon 08.04Tue 09.04Wed 10.04Thu 11.04Fri 12.04Sat 13.04Sun 14.04
---546656
2333333

Weekly direct flights for Mon 15.04 - Sun 21.04

AirlineMon 15.04Tue 16.04Wed 17.04Thu 18.04Fri 19.04Sat 20.04Sun 21.04
6566656
3333333

Weekly direct flights for Mon 22.04 - Sun 28.04

AirlineMon 22.04Tue 23.04Wed 24.04Thu 25.04Fri 26.04Sat 27.04Sun 28.04
6566656
3333333

Check-in for a flight from San Diego to Denver

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
AeroMéxicoAMXAMYes0
0

Denver travel tips

1) Avoid the Highlands and the Cap Hill when riding a bike in Denver
2) Rent a bike in Denver and ride around Sloan Lake
3) When walking in Denver keep your ice to the 7-meters-high dairy jug

Weather in Denver

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January4°C-6°C
February4°C-6°C
March10°C-2°C
April13°C1°C
May18°C6°C
June26°C12°C
July29°C16°C
August28°C15°C
September25°C11°C
October17°C4°C
November10°C-1°C
December4°C-6°C
Hottest Month
29°C
July
Coldest month
-6°C
January
Sunny days
260
days per year
Snow days
27
days per year

14 day forecast

Wednesday
3 Apr
19°C6°C
10 Apr
17°C5°C
Thursday
4 Apr
23°C8°C
11 Apr
21°C8°C
Friday
5 Apr
24°C11°C
12 Apr
24°C11°C
Saturday
6 Apr
89%
10°C6°C
13 Apr
24°C12°C
Sunday
7 Apr
87%
13°C6°C
14 Apr
87%
23°C14°C
Monday
8 Apr
54%
13°C4°C
15 Apr
79%
22°C12°C
Tuesday
9 Apr
11°C2°C
16 Apr
89%
12°C9°C

Frequently asked questions

How long does it take to travel from San Diego to Denver?
What is the flight distance between San Diego and Denver?
What airlines offer nonstop (direct) flights between San Diego and Denver?
What are the most popular routes to and from San Diego?
What are the most popular routes to and from Denver?
Which airports are there in San Diego?
What airports are near San Diego?
What airports are near Denver?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Diego and Denver?
What is Virtual Interlining and how do I use it?
Which airlines fly between San Diego and Denver?
When's the best time to travel between San Diego and Denver?
What flights operate between San Diego and Denver?
How many airports are there near San Diego?
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What time do nonstop (direct) flights between San Diego and Denver depart?
What time do nonstop (direct) flights between San Diego and Denver arrive?
What time do flights between San Diego and Denver depart?
What time do flights between San Diego and Denver arrive?

The nearest countries with flights to Denver

Here is a list of countries people are flying from

Other destination countries from San Diego

Here is a list of countries people are flying to
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