Find Cheap Flights to Denver International

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from San Diego to Denver International

(Round-trip)
Depart: Wed Aug 23 2017 Return: Sun Aug 27 2017 Trip spans 5 days
Frontier
Frontier
SAN
2:35p
DEN
4:59p
2h 24m
nonstop
DEN
5:09a
SAN
7:30a
2h 21m
nonstop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
United
United
SAN
7:10a
DEN
9:29a
2h 19m
nonstop
DEN
4:10a
SAN
6:29a
2h 19m
nonstop
Depart: Tue Sep 26 2017 Return: Thu Sep 28 2017 Trip spans 3 days
American Airlines
American Airlines
SAN
11:15a
DEN
6:20p
7h 05m
1 stop
DEN
3:00a
SAN
7:28a
4h 28m
1 stop
Depart: Thu Aug 24 2017 Return: Sat Aug 26 2017 Trip spans 3 days
Frontier
Frontier
SAN
2:35p
DEN
4:59p
2h 24m
nonstop
DEN
5:09a
SAN
7:30a
2h 21m
nonstop
Depart: Tue Sep 19 2017 Return: Wed Sep 20 2017 Trip spans 2 days
United
United
SAN
4:30a
DEN
6:55a
2h 25m
nonstop
DEN
4:10a
SAN
6:29a
2h 19m
nonstop
Depart: Fri Aug 25 2017 Return: Sun Aug 27 2017 Trip spans 3 days
Frontier
Frontier
SAN
2:35p
DEN
4:59p
2h 24m
nonstop
DEN
5:09a
SAN
7:30a
2h 21m
nonstop
Depart: Wed Sep 20 2017 Return: Tue Sep 26 2017 Trip spans 7 days
United
United
SAN
7:10a
DEN
9:29a
2h 19m
nonstop
DEN
4:10a
SAN
6:28a
2h 18m
nonstop
Depart: Thu Oct 12 2017 Return: Mon Oct 16 2017 Trip spans 5 days
Delta
Delta
SAN
2:15a
DEN
7:28a
5h 13m
1 stop
DEN
3:32p
SAN
8:17p
4h 45m
1 stop
Depart: Sat Aug 26 2017 Return: Mon Aug 28 2017 Trip spans 3 days
Frontier
Frontier
SAN
8:40a
DEN
11:06a
2h 26m
nonstop
DEN
5:09a
SAN
7:30a
2h 21m
nonstop
Depart: Sun Aug 27 2017 Return: Mon Aug 28 2017 Trip spans 2 days
Frontier
Frontier
SAN
8:40a
DEN
11:06a
2h 26m
nonstop
DEN
5:09a
SAN
7:30a
2h 21m
nonstop
Depart: Wed Oct 11 2017 Return: Thu Oct 19 2017 Trip spans 9 days
Virgin America
Virgin America
SAN
10:20a
DEN
5:55p
7h 35m
1 stop
DEN
2:55a
SAN
10:32a
7h 37m
1 stop
Depart: Mon Aug 28 2017 Return: Tue Aug 29 2017 Trip spans 2 days
Frontier
Frontier
SAN
2:35p
DEN
4:59p
2h 24m
nonstop
DEN
3:30p
SAN
5:51p
2h 21m
nonstop
Depart: Tue Jan 2 2018 Return: Tue Jan 9 2018 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SAN
9:45a
DEN
4:51p
7h 06m
1 stop
DEN
2:05a
SAN
7:18a
5h 13m
1 stop
Depart: Mon Sep 11 2017 Return: Tue Sep 26 2017 Trip spans 16 days
United
United
SAN
1:50p
DEN
4:09p
2h 19m
nonstop
DEN
4:10a
SAN
6:28a
2h 18m
nonstop
Depart: Tue Aug 29 2017 Return: Wed Aug 30 2017 Trip spans 2 days
Frontier
Frontier
SAN
2:35p
DEN
4:59p
2h 24m
nonstop
DEN
3:30p
SAN
5:51p
2h 21m
nonstop
Depart: Thu Sep 14 2017 Return: Wed Sep 20 2017 Trip spans 7 days
United
United
SAN
2:15a
DEN
4:40a
2h 25m
nonstop
DEN
7:22a
SAN
9:40a
2h 18m
nonstop
Depart: Wed Oct 18 2017 Return: Sat Oct 21 2017 Trip spans 4 days
American Airlines
American Airlines
SAN
7:11a
DEN
2:00p
6h 49m
1 stop
DEN
2:41p
SAN
6:30p
3h 49m
1 stop
Depart: Wed Aug 30 2017 Return: Thu Aug 31 2017 Trip spans 2 days
Frontier
Frontier
SAN
8:40a
DEN
11:06a
2h 26m
nonstop
DEN
5:09a
SAN
7:30a
2h 21m
nonstop
Depart: Sat Sep 16 2017 Return: Tue Sep 19 2017 Trip spans 4 days
United
United
SAN
7:33a
DEN
9:52a
2h 19m
nonstop
DEN
3:40p
SAN
5:58p
2h 18m
nonstop
Depart: Sat Sep 2 2017 Return: Sun Sep 3 2017 Trip spans 2 days
Frontier
Frontier
SAN
2:35p
DEN
4:59p
2h 24m
nonstop
DEN
5:09a
SAN
7:30a
2h 21m
nonstop
Direct flights SAN to DEN on United
Flight # Depart SAN Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
276 6:15 am 9:50 am Sep 1 - Sep 5
276 6:15 am 9:50 am Aug 31 - Aug 31
276 6:15 am 9:50 am Aug 21 - Aug 30
276 6:15 am 9:40 am Sep 7 - Sep 7
276 6:15 am 9:40 am Sep 14 - Oct 4
276 6:15 am 9:50 am Sep 4 - Sep 4
276 6:15 am 9:40 am Sep 6 - Sep 13
306 8:10 am 11:36 am Sep 10 - Sep 10
306 8:10 am 11:36 am Sep 17 - Sep 24
457 8:10 am 11:36 am Aug 30 - Aug 30
457 8:10 am 11:37 am Sep 2 - Sep 2
457 8:10 am 11:36 am Sep 1 - Sep 5
457 8:15 am 11:41 am Aug 22 - Aug 29
306 8:19 am 11:45 am Sep 7 - Sep 7
1056 8:20 am 11:46 am Aug 31 - Aug 31
306 8:30 am 11:55 am Sep 6 - Sep 13
306 8:30 am 11:55 am Sep 8 - Sep 9
306 8:30 am 11:55 am Sep 14 - Oct 3
306 8:30 am 11:55 am Sep 16 - Sep 16
306 8:30 am 11:56 am Sep 23 - Sep 30
1982 11:10 am 2:29 pm Sep 6 - Sep 13
1982 11:10 am 2:29 pm Sep 8 - Sep 8
1982 11:10 am 2:28 pm Sep 10 - Oct 1
1982 11:10 am 2:29 pm Sep 20 - Sep 27
1982 11:15 am 2:34 pm Sep 11 - Sep 25
1982 11:15 am 2:34 pm Sep 12 - Sep 19
1982 11:15 am 2:34 pm Sep 26 - Oct 3
1982 11:15 am 2:34 pm Sep 29 - Sep 29
1982 11:22 am 2:49 pm Aug 21 - Sep 1
1982 11:22 am 2:49 pm Sep 2 - Sep 2
1982 11:22 am 2:49 pm Sep 3 - Sep 4
1982 11:22 am 2:49 pm Sep 5 - Sep 5
1982 11:33 am 2:51 pm Sep 9 - Sep 9
1982 11:33 am 2:52 pm Sep 16 - Sep 30
243 1:30 pm 4:51 pm Aug 29 - Aug 31
243 1:30 pm 4:51 pm Sep 2 - Sep 3
243 1:30 pm 4:51 pm Sep 4 - Sep 4
243 1:30 pm 4:51 pm Sep 1 - Sep 5
243 1:30 pm 4:51 pm Aug 30 - Aug 30
243 1:35 pm 4:54 pm Sep 9 - Sep 16
243 1:35 pm 4:54 pm Sep 10 - Sep 10
243 1:35 pm 4:54 pm Sep 7 - Sep 13
243 1:35 pm 4:54 pm Sep 6 - Sep 8
243 1:35 pm 4:54 pm Sep 25 - Oct 4
243 1:35 pm 4:54 pm Sep 23 - Sep 30
243 1:35 pm 4:53 pm Sep 24 - Sep 24
243 1:35 pm 4:54 pm Sep 15 - Sep 22
243 1:35 pm 4:54 pm Sep 14 - Sep 14
231 5:50 pm 9:09 pm Sep 25 - Sep 29
231 5:50 pm 9:09 pm Sep 22 - Sep 22
231 5:50 pm 9:09 pm Sep 14 - Sep 21
231 5:50 pm 9:10 pm Sep 10 - Oct 1
231 5:50 pm 9:09 pm Sep 11 - Sep 11
231 6:00 pm 9:22 pm Aug 29 - Sep 5
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

San Diego
$83
Destination

Denver
$83
Airlines Airline reviews

404 travelers who booked a flight from San Diego to Denver rated their chosen airlines with an average of 5.4.

Overall
5.6
Boarding
6.2
Crew
6.7
Comfort
5.0
Food
4.0
Entertainment
3.9