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Cheap flights from San Diego to Colorado from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Colorado departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:47 pm - 8:20 pmSAN-DEN
2h 33mnonstop
Frontier Logo
10:29 pm - 11:59 pmDEN-SAN
2h 30mnonstop
$71Frontier
Find Deal
Tue, Dec 30 - Sun, Jan 4
Frontier Logo
6:25 am - 10:03 amSAN-DEN
2h 38mnonstop
Frontier Logo
5:43 pm - 7:15 pmDEN-SAN
2h 32mnonstop
$72Frontier
Find Deal
Wed, Dec 24 - Tue, Dec 30
Southwest Logo
6:30 am - 12:10 pmSAN-DEN
4h 40m1 stop
Southwest Logo
9:55 pm - 11:25 pmDEN-SAN
2h 30mnonstop
$122Southwest
Find Deal
Thu, Jan 1 - Sun, Jan 4
Southwest Logo
7:40 am - 2:00 pmSAN-DEN
5h 20m2 stops
Southwest Logo
5:45 pm - 7:15 pmDEN-SAN
2h 30mnonstop
$132Southwest
Find Deal
Sat, Dec 13 - Mon, Dec 15
United Airlines Logo
9:00 am - 2:42 pmSAN-HDN
4h 42m1 stop
United Airlines Logo
4:40 pm - 7:48 pmHDN-SAN
4h 08m1 stop
$189United Airlines
Find Deal
Tue, Mar 17 - Sat, Mar 21
United Airlines Logo
10:45 am - 8:31 pmSAN-HDN
8h 46m2 stops
United Airlines Logo
4:40 pm - 7:48 pmHDN-SAN
4h 08m1 stop
$194United Airlines
Find Deal
Tue, Mar 17 - Sat, Mar 21
American Airlines Logo
2:36 pm - 11:48 pmSAN-COS
8h 12m1 stop
American Airlines Logo
10:37 am - 6:01 pmCOS-SAN
8h 24m1 stop
$227American Airlines
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Thu, Dec 11 - Tue, Dec 16
American Airlines Logo
10:09 am - 7:06 pmSAN-EGE
7h 57m2 stops
American Airlines Logo
8:00 am - 3:07 pmEGE-SAN
8h 07m1 stop
$236American Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
Alaska Airlines Logo
8:30 am - 12:01 pmSAN-HDN
2h 31mnonstop
Alaska Airlines Logo
12:41 pm - 2:14 pmHDN-SAN
2h 33mnonstop
$327Alaska Airlines
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Sat, Jan 10 - Wed, Jan 14
Alaska Airlines Logo
1:00 pm - 4:39 pmSAN-EGE
2h 39mnonstop
Alaska Airlines Logo
5:19 pm - 6:47 pmEGE-SAN
2h 28mnonstop
$357Alaska Airlines
Find Deal
Wed, Jan 21 - Wed, Jan 28

Frontier flights from San Diego to Colorado

Our best Frontier deals on San Diego to Colorado flight tickets
Frontier
Dec 30
SAN4:47 pmSan Diego
2h 33m
DEN8:20 pmDenver Intl
Jan 4
DEN10:29 pmDenver Intl
2h 30m
SAN11:59 pmSan Diego
$71
Find similar
Frontier
Dec 24
SAN6:25 amSan Diego
2h 38m
DEN10:03 amDenver Intl
Dec 30
DEN5:43 pmDenver Intl
2h 32m
SAN7:15 pmSan Diego
$72
Find similar
Frontier
Dec 23
SAN4:47 pmSan Diego
2h 33m
DEN8:20 pmDenver Intl
Jan 1
DEN10:29 pmDenver Intl
2h 30m
SAN11:59 pmSan Diego
$77
Find similar

Southwest flights from San Diego to Colorado

Our best Southwest deals on San Diego to Colorado flight tickets
Southwest
Jan 1
SAN6:30 amSan Diego
4h 40m
1 stop
DEN12:10 pmDenver Intl
Jan 4
DEN9:55 pmDenver Intl
2h 30m
SAN11:25 pmSan Diego
$122
Find similar
Southwest
Dec 13
SAN7:40 amSan Diego
5h 20m
2 stops
DEN2:00 pmDenver Intl
Dec 15
DEN5:45 pmDenver Intl
2h 30m
SAN7:15 pmSan Diego
$132
Find similar
Southwest
Dec 19
SAN6:30 amSan Diego
4h 55m
1 stop
DEN12:25 pmDenver Intl
Dec 20
DEN7:30 pmDenver Intl
3h 55m
1 stop
SAN10:25 pmSan Diego
$136
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from San Diego to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Tue 12/30

4:47 pm-8:20 pm

Nonstop2h 33m

Denver Intl

Sun 1/4

10:29 pm-11:59 pm

Nonstop2h 30m

$71

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Wed 12/24

6:25 am-10:03 am

Nonstop2h 38m

Denver Intl

Tue 12/30

5:43 pm-7:15 pm

Nonstop2h 32m

$72

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Thu 1/1

6:30 am-12:10 pm

1 stop4h 40m

Denver Intl

Sun 1/4

9:55 pm-11:25 pm

Nonstop2h 30m

$122

San DiegoDenver

SAN - DEN

SANDEN

San Diego

Sat 12/13

7:40 am-2:00 pm

2 stops5h 20m

Denver Intl

Mon 12/15

5:45 pm-7:15 pm

Nonstop2h 30m

$132

San DiegoHayden

SAN - HDN

SANHDN

San Diego

Tue 3/17

9:00 am-2:42 pm

1 stop4h 42m

Hayden Yampa Valley

Sat 3/21

4:40 pm-7:48 pm

1 stop4h 08m

$189

San DiegoHayden

SAN - HDN

SANHDN

San Diego

Tue 3/17

10:45 am-8:31 pm

2 stops8h 46m

Hayden Yampa Valley

Sat 3/21

4:40 pm-7:48 pm

1 stop4h 08m

$194

San DiegoColorado Springs

SAN - COS

SANCOS

San Diego

Thu 12/11

2:36 pm-11:48 pm

1 stop8h 12m

Colorado Springs

Tue 12/16

10:37 am-6:01 pm

1 stop8h 24m

$227

San DiegoVail

SAN - EGE

SANEGE

San Diego

Sat 11/15

10:09 am-7:06 pm

2 stops7h 57m

Vail Eagle County

Wed 11/19

8:00 am-3:07 pm

1 stop8h 07m

$236

San DiegoHayden

SAN - HDN

SANHDN

San Diego

Sat 1/10

8:30 am-12:01 pm

Nonstop2h 31m

Hayden Yampa Valley

Wed 1/14

12:41 pm-2:14 pm

Nonstop2h 33m

$327

San DiegoVail

SAN - EGE

SANEGE

San Diego

Wed 1/21

1:00 pm-4:39 pm

Nonstop2h 39m

Vail Eagle County

Wed 1/28

5:19 pm-6:47 pm

Nonstop2h 28m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Colorado from

How to get the cheapest flight ticket from San Diego to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Colorado?

The month of January is, on average, the cheapest month to fly to Colorado from San Diego, with most prices found around $134. The month of February is another great option to travel to Colorado, with average flight prices from San Diego averaging around $153.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from San Diego to Colorado is on a Friday when prices can be found for as low as $269. On the other hand, Monday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $330.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $216. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $315 per ticket.

What is the cheapest San Diego to Colorado flight route?

Fly from San Diego to Denver Intl for the best San Diego - Colorado flight prices

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $189 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from San Diego for as low as $153 on momondo.

What cabin class options are available on San Diego to Colorado flights?

There are 4 cabin classes available to choose from on San Diego to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Colorado flights?

No. A direct flight is the cheapest option for a flight between San Diego to Colorado.

Cheap San Diego to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Colorado

Best Price Found

$98

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Colorado

4 airports
The best one-way flight to Colorado from San Diego in the past 72 hours is $98. The best round-trip flight deal from San Diego to Colorado found on momondo in the last 72 hours is $164.
The fastest flight from San Diego to Colorado takes 2h 15m
Direct flights go from San Diego to Colorado every day.
There are 4 airports near Colorado: Vail Eagle County (EGE), Hayden Yampa Valley (HDN), Colorado Springs (COS), Denver Intl (DEN)
Search flight deals

  • When did momondo last update prices for flights from San Diego Airport to Colorado?

    Prices for flights from San Diego Airport to Colorado refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Colorado?

  • How old do you have to be to fly from San Diego Airport to Colorado?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Colorado.

  • What documentation or ID do you need to fly to Colorado?

    The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to Colorado?

Best airlines flying from San Diego to Colorado

Compare and see reviews for airlines that fly from San Diego to Colorado with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $68Free CancellationRating
5.8
3,119 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $68Free CancellationRating
7.8
2,799 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $101Free CancellationRating
8.0
11,231 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $128Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $150Free CancellationRating
7.4
8,993 reviews
Search United Airlines flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
7,995 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Colorado?

It is quick and easy to find San Diego to Colorado flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Colorado that suits you.

Can I find flights from San Diego to Colorado with flexible booking policies on momondo?

momondo does allow users to show only those flights to Colorado from San Diego which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Diego to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to Colorado.

I’m not ready to book a flight from San Diego to Colorado right now. Can momondo alert me if prices change?

Price alerts on flights to Colorado from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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