Airlinecoop.org

Cheap flights from San Diego to Denver

41 nonstop flights a week, 5 of them today. Operated by 4 airlines, about 2h 25m in the air, 833 mi (1,340 km). Tickets from $83.

Flights from San Diego to Denver

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: San Diego to Denver

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from San Diego to Denver

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $83 13 December 2026, nonstop Cheapest nonstop $83 13 December 2026, Frontier Airlines Cheapest in the next 7 days $180 15 November, Sun Cheapest month December 2026 tickets from $83

San Diego to Denver at a glance

flight time, from 2h 16m to 7h 15m
2h 25m
straight-line distance
833 mi (1,340 km)
flights a week
41
flights today
5
first and last departure
06:15 - 08:40
lowest price, nonstop, 13 December
$83
average across months
$105
airlines
4

San Diego to Denver ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $83. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $128. The average across months is $105.

San Diego to Denver flight schedule

41 flights a week, 5 today, 45 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 1645
Southwest Airlines
06:15 San Diego International, terminal 1
09:45 Denver International
2h 30m
Mon, Thu, Fri, Sun
Boeing 737
F9 2818
Frontier Airlines
06:25 San Diego International, terminal 1
09:59 Denver International
2h 34m
Daily
Airbus A320 NEO
F9 2818
Frontier Airlines
06:30 San Diego International, terminal 1
10:04 Denver International
2h 34m
Mon, Fri, Sat, Sun
Airbus A320
WN 1645
Southwest Airlines
06:35 San Diego International, terminal 1
10:00 Denver International
2h 25m
Mon, Tue, Wed, Thu
Boeing 737
WN 1645
Southwest Airlines
06:40 San Diego International, terminal 1
10:05 Denver International
2h 25m
Sat
WN 486
Southwest Airlines
06:40 San Diego International, terminal 1
10:05 Denver International
2h 25m
Sat
Boeing 737-800
AS 1342
Alaska Airlines
06:45 San Diego International, terminal 2
10:16 Denver International
2h 31m
Mon, Fri, Sat, Sun
Boeing 737-900
UA 1599
United Airlines
06:45 San Diego International, terminal 2
10:19 Denver International
2h 34m
Daily
Airbus A320
WN 3194
Southwest Airlines
06:50 San Diego International, terminal 1
12:35 Denver International
4h 45m
Sat
Boeing 737
WN 3698
Southwest Airlines
07:45 San Diego International, terminal 1
11:05 Denver International
2h 20m
Mon, Thu, Fri, Sun
WN 3698
Southwest Airlines
08:15 San Diego International, terminal 1
11:45 Denver International
2h 30m
Mon, Tue, Wed, Thu
Boeing 737
WN 3698
Southwest Airlines
08:25 San Diego International, terminal 1
11:50 Denver International
2h 25m
Sat
Boeing 737
UA 5520
United Airlines
08:40 McClellan-Palomar
12:05 Denver International
2h 25m
Daily
Embraer 175

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 1645
Southwest Airlines
06:30 San Diego International, terminal 1
09:55 Denver International
2h 25m
Seasonal
WN 1761
Southwest Airlines
08:00 San Diego International, terminal 1
13:10 Denver International
4h 10m
Seasonal
Boeing 737
WN 1645
Southwest Airlines
07:00 San Diego International, terminal 1
10:25 Denver International
2h 25m
Seasonal
Boeing 737
WN 4001
Southwest Airlines
07:10 San Diego International, terminal 1
12:40 Denver International
4h 30m
Seasonal
WN 1969
Southwest Airlines
06:15 San Diego International, terminal 1
14:30 Denver International
7h 15m
Seasonal
Boeing 737
WN 1645
Southwest Airlines
06:55 San Diego International, terminal 1
10:25 Denver International
2h 30m
Seasonal
Boeing 737
UA 1378
United Airlines
06:45 San Diego International, terminal 2
10:18 Denver International
2h 33m
Seasonal
Boeing 737-800
UA 2476
United Airlines
08:40 San Diego International, terminal 2
12:06 Denver International
2h 26m
Seasonal
Airbus A320
UA 1579
United Airlines
06:45 San Diego International, terminal 2
10:15 Denver International
2h 30m
Seasonal
Boeing 737
UA 5520
United Airlines
08:00 McClellan-Palomar
11:16 Denver International
2h 16m
Seasonal
Embraer 175
F9 2818
Frontier Airlines
06:36 San Diego International, terminal 1
10:12 Denver International
2h 36m
Seasonal
Airbus A320 NEO
WN 1539
Southwest Airlines
06:45 San Diego International, terminal 1
11:35 Denver International
3h 50m
Seasonal
Boeing 737
WN 3382
Southwest Airlines
06:55 San Diego International, terminal 1
10:20 Denver International
2h 25m
Seasonal
Boeing 737
WN 3424
Southwest Airlines
06:50 San Diego International, terminal 1
12:20 Denver International
4h 30m
Seasonal
WN 3382
Southwest Airlines
07:00 San Diego International, terminal 1
10:25 Denver International
2h 25m
Seasonal
Boeing 737
WN 3382
Southwest Airlines
06:15 San Diego International, terminal 1
09:45 Denver International
2h 30m
Seasonal
WN 3383
Southwest Airlines
08:15 San Diego International, terminal 1
11:35 Denver International
2h 20m
Seasonal
Boeing 737
WN 3382
Southwest Airlines
06:35 San Diego International, terminal 1
10:00 Denver International
2h 25m
Seasonal
Boeing 737
UA 1378
United Airlines
07:00 San Diego International, terminal 2
10:23 Denver International
2h 23m
Seasonal
Airbus A320
WN 3383
Southwest Airlines
07:50 San Diego International, terminal 1
11:10 Denver International
2h 20m
Seasonal
AS 1492
Alaska Airlines
08:15 San Diego International, terminal 2
11:34 Denver International
2h 19m
Seasonal
Boeing 737-900
WN 2916
Southwest Airlines
08:15 San Diego International, terminal 1
13:55 Denver International
4h 40m
Seasonal
Boeing 737-800
WN 555
Southwest Airlines
08:20 San Diego International, terminal 1
13:40 Denver International
4h 20m
Seasonal
WN 3382
Southwest Airlines
06:30 San Diego International, terminal 1
09:55 Denver International
2h 25m
Seasonal
Boeing 737
WN 1122
Southwest Airlines
08:25 San Diego International, terminal 1
11:45 Denver International
2h 20m
Seasonal
WN 2212
Southwest Airlines
06:30 San Diego International, terminal 1
11:30 Denver International
4h
Seasonal
Boeing 737
WN 3654
Southwest Airlines
08:10 San Diego International, terminal 1
11:35 Denver International
2h 25m
Seasonal
Boeing 737
WN 373
Southwest Airlines
06:30 San Diego International, terminal 1
10:00 Denver International
2h 30m
Seasonal
Boeing 737-800
WN 3654
Southwest Airlines
08:25 San Diego International, terminal 1
11:50 Denver International
2h 25m
Seasonal
Boeing 737-800
WN 3654
Southwest Airlines
07:50 San Diego International, terminal 1
11:15 Denver International
2h 25m
Seasonal
WN 1945
Southwest Airlines
08:40 San Diego International, terminal 1
14:05 Denver International
4h 25m
Seasonal
Boeing 737
AS 3208
Alaska Airlines
08:15 San Diego International, terminal 2
11:34 Denver International
2h 19m
Seasonal
Embraer EMB 175
WN 3434
Southwest Airlines
06:50 San Diego International, terminal 1
10:20 Denver International
2h 30m
Seasonal
Boeing 737
WN 3147
Southwest Airlines
07:10 San Diego International, terminal 1
13:00 Denver International
4h 50m
Seasonal
Boeing 737
WN 3600
Southwest Airlines
06:40 San Diego International, terminal 1
10:05 Denver International
2h 25m
Seasonal
Boeing 737
WN 3600
Southwest Airlines
06:30 San Diego International, terminal 1
09:55 Denver International
2h 25m
Seasonal
Boeing 737-800
WN 4747
Southwest Airlines
07:45 San Diego International, terminal 1
11:05 Denver International
2h 20m
Seasonal
WN 2331
Southwest Airlines
08:05 San Diego International, terminal 1
11:30 Denver International
2h 25m
Seasonal
WN 4639
Southwest Airlines
06:45 San Diego International, terminal 1
10:10 Denver International
2h 25m
Seasonal
WN 4303
Southwest Airlines
08:35 San Diego International, terminal 1
11:55 Denver International
2h 20m
Seasonal
Boeing 737
WN 4639
Southwest Airlines
06:15 San Diego International, terminal 1
09:50 Denver International
2h 35m
Seasonal
WN 4303
Southwest Airlines
07:45 San Diego International, terminal 1
11:05 Denver International
2h 20m
Seasonal
WN 4639
Southwest Airlines
06:35 San Diego International, terminal 1
10:05 Denver International
2h 30m
Seasonal
WN 4303
Southwest Airlines
08:00 San Diego International, terminal 1
11:20 Denver International
2h 20m
Seasonal
Boeing 737
WN 4639
Southwest Airlines
06:30 San Diego International, terminal 1
09:55 Denver International
2h 25m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Denver is 1 hour ahead of San Diego. The search shows seat availability and the price for your date.

Airlines flying San Diego to Denver

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Southwest Airlines16 a week United Airlines14 a week Frontier Airlines7 a week Alaska Airlines4 a week

Airports

Where flights from San Diego to Denver depart and land

Departure from San Diego

San Diego International closest to the centreSAN

34 flights a week, terminals 1, 2, 2 mi (4 km) from the city centre

About the airport
McClellan-Palomar CLD

7 flights a week, 29 mi (46 km) from the city centre

About the airport

Arrival in Denver

Denver International DEN

41 flights a week, 18 mi (29 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from San Diego to Denver?
A nonstop flight takes 2 hours 25 minutes on average, from 2h 16m to 7h 15m depending on the flight.
How far is Denver from San Diego?
833 mi (1,340 km) in a straight line between the cities.
Which airlines fly nonstop from San Diego to Denver?
Southwest Airlines (16 a week), United Airlines (14 a week), Frontier Airlines (7 a week) and Alaska Airlines (4 a week).
How many flights a day are there from San Diego to Denver?
5 flights today and 41 a week, about 5.9 a day on average.
When are the first and last flights from San Diego to Denver?
The first departure is at 06:15 (WN1645), the last at 08:40 (UA5520). Local time.
What is the cheapest month to fly from San Diego to Denver?
December 2026: tickets from $83. The most expensive is November 2026, from $128.
What is the cheapest upcoming date to fly from San Diego to Denver?
13 December 2026 (Sunday): from $83 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from San Diego to Denver?
Frontier Airlines: nonstop tickets from $83 on 13 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between San Diego and Denver?
Denver is 1 hour ahead of San Diego. Schedule times on this page are local to each airport.
Which San Diego airport do flights to Denver leave from?
San Diego International (34 a week) and McClellan-Palomar (7 a week).