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Cheap flights Denver — San Diego

Denver (DEN, US) San Diego (SAN, US)
from $60 1 340 km ~2h 5m 8 flights found 1 airlines cheapest on Friday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $60 on 28.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 16 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
28 Nov 2026, Sat
Frontier Airlines F9 2711
08:29
DEN Denver International Airport
10:57
SAN San Diego International Airport
2h 28m Direct
Farera
$60
View this ticket
27 Nov 2026, Fri
Frontier Airlines F9 2711
08:29
DEN Denver International Airport
10:57
SAN San Diego International Airport
2h 28m Direct
Авиасейлс
$67
View this ticket
30 Nov 2026, Mon
Frontier Airlines F9 1765
05:50
DEN Denver International Airport
09:15
SAN San Diego International Airport
3h 25m 1 stop
Farehutz
$98
View this ticket
29 Nov 2026, Sun
Frontier Airlines F9 2711
08:29
DEN Denver International Airport
10:57
SAN San Diego International Airport
2h 28m Direct
Farehutz
$115
View this ticket
30 Nov 2026, Mon
Frontier Airlines F9 2817
01:04
DEN Denver International Airport
03:34
SAN San Diego International Airport
2h 30m Direct
Farehutz
$119
View this ticket
15 Nov 2026, Sun
Frontier Airlines F9 2711
08:29
DEN Denver International Airport
10:57
SAN San Diego International Airport
2h 28m Direct
Tickets
$214
View this ticket
Route characteristics
Distance
1 340 km
Flight time
2h 5m
Time difference
-1h
Minimum price
from $60 (28.11.2026)
Average price
$102
Maximum price
$214
Departures per week
1
Cheapest day
Friday
Departure airports (1)
DEN Denver International Airport
Arrival airports (1)
SAN San Diego International Airport
Airlines (1)
F9 Frontier Airlines
Agencies (5)
Farera Авиасейлс Kiwi.com Farehutz Tickets
Prices by day of week
Monday
$98
avg $109
Friday
$67
avg $67
Cheapest
Saturday
$60
avg $60
Sunday
$115
avg $165
Airlines — cheapest prices 1
Frontier Airlines
Frontier Airlines
Low-cost 8 flights · 6 days
$60
Where to buy tickets 5
Farera
2 tickets · 2 days
from $60
Авиасейлс
1 tickets · 1 days
from $67
Kiwi.com
1 tickets · 1 days
from $90
Farehutz
3 tickets · 2 days
from $98
Tickets
1 tickets · 1 days
from $214
Airports

From — Denver (1)

  • DEN Denver International Airport

To — San Diego (1)

  • SAN San Diego International Airport
Other destinations from Denver
Dallas
US · Hub
Los Angeles
US · Hub
Miami
US · Hub
Seattle
US
Regina
CA
Vancouver
CA
Winnipeg
CA
Saskatoon
CA
Calgary
CA
Boston
US
Atlanta
US · Hub
Cincinnati
US
Frequently asked questions about the route Denver — San Diego
How long is the flight from Denver to San Diego?
Approximate flight time — 2h 5m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Denver to San Diego?
The straight-line distance — 1 340 km.
How much do flights from Denver to San Diego cost?
The minimum price over 3 months — from $60 on 28.11.2026.
What is the average ticket price?
The average price — $102. Range: $60 — $214.
What is the time difference between Denver and San Diego?
The difference — -1h.
From which airports does Denver operate flights?
From Denver: DEN (Denver International Airport).
To which airports in San Diego do flights arrive?
To San Diego: SAN (San Diego International Airport).
Which airlines fly this route?
This route is served by 1 airline: Frontier Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $60. Total direct flights found: 5.
Which day of the week is cheapest?
The cheapest day of the week — Friday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Denver — San Diego

Flights Denver — San Diego is a popular route. The straight-line distance is 1 340 km. Flight time 2h 5m. Time difference -1h.

From Denver (DEN) flights depart from 1 airport: DEN. To San Diego (SAN) — 1 arrival airport: SAN.

1 airline operate on this route: Frontier Airlines.

The minimum price for the next 3 months — from $60 (28.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $102, ranging from $60 to $214. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Friday.

Other destinations in United States from Denver
Dallas
US
Los Angeles
US
Miami
US
Seattle
US
Boston
US
Atlanta
US
Cincinnati
US
Memphis
US

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