$79 United Cheap Flights from San Diego to Denver

Find The Best Day To Fly from San Diego to Denver

Amazing United SAN to DEN Flight Deals

The cheapest flights to Denver Intl. found within the past 7 days were $158 round trip and $79 one way. Prices and availability subject to change. Additional terms may apply.

DEN From SAN Economy Coach Packages on Similar Airlines

Staybridge Suites Denver Downtown, an IHG Hotel
Sentral Union Station
The Westin Westminster
Don't see what you're looking for?
See all available trips from San Diego Intl. to Denver Intl.
View all trips

Frequently asked questions

Can I catch a flight from SAN to DEN right now?
For information on any present Denver Airport travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught out en route.
What terminal is United Airlines at SAN?
If you’re flying with United Airlines from SAN, you’ll generally catch your flight from terminal 2. If you’re traveling to Denver Airport from here, you’ll likely be arriving at the main terminal.
Are there United Airlines non-stop flights from SAN to DEN?
Direct flights are on offer with United Airlines, which means you can fly from San Diego Intl. Airport (SAN) to Denver Intl. Airport (DEN) fast. Those inspirational vacation experiences you’re searching for are a trouble-free flight away.
How long is a United Airlines flight from SAN to DEN?
Just 3 hours and 24 minutes is approximately how long you can anticipate being airborne for if you’re traveling with United Airlines from SAN to DIA airport. That’ll allow you just enough time to read a couple of chapters of your favorite book or shut your eyes for a bit.
What type of aircraft does United Airlines fly from SAN to DEN?
Booked a flight with United Airlines from SAN to DEN? The Boeing 737-900 and the Boeing 737-800 are the two types of aircraft that usually grace the skies on this flight path.
How many direct and indirect flights does United Airlines fly from SAN to DEN?
When journeying from SAN to DEN, there are at least 6 United Airlines daily flights to select from.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to DIA airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
CarrierFlightDepart SANArrive DENMon
2/6
Tue
2/7
Wed
2/8
Thu
2/9
Fri
2/10
Sat
2/11
Sun
2/12
Stops
UA247608:52 am00:20 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA26411:00 am02:27 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA160400:50 pm04:17 pmCheck FareCheck FareCheck FareCheck FareCheck Fare
-
Check Fare
0 Stops
UA111404:18 pm07:40 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA192406:40 pm10:06 pmCheck FareCheck FareCheck FareCheck FareCheck Fare
-
Check Fare
0 Stops
UA189000:44 pm04:05 pm
-
-
-
-
-
Check Fare
-
0 Stops

Discover our best United flight from San Diego SAN to Denver DEN 

To find the best deals on flights to San Diego from Denver with United, just enter your travel dates, filter by United, and hit search. You’ll find 5 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from San Diego SAN to Denver DEN with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $158 to $158, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from San Diego SAN to Denver DEN 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Diego to Denver costs from $79. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Denver DEN from  San Diego SAN with United 

To find a cheap United flight from San Diego SAN to Denver DEN, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from San Diego SAN to Denver DEN 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as April, or if you book a flight with a stopover. 

 

Find nonstop flights from San Diego SAN to Denver DEN with United 

If you’re keen to be on Denver soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 2 hour(s) 21 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from San Diego SAN to Denver DEN 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Denver DEN from  San Diego SAN with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport Code
Country
Airport Name
Number of Flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Denver

AmericInn by Wyndham Denver Airport
AmericInn by Wyndham Denver Airport
2.5 out of 5
7010 Tower Road, Denver, CO, 80249
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free airport ...
4.1/5 Very Good! (2,478 reviews)
"Staff was very friendly and helpful. I regret not getting the gentleman’s name, but the shuttle driver that pick me up from the driver at 12 am was very punctual. I was pleasantly surprised he got there very fast. Also front desk was very helpful in my late check in from the time I called to when ..."

Reviewed on Feb 1, 2023

AmericInn by Wyndham Denver Airport
The Westin Denver International Airport
The Westin Denver International Airport
4 out of 5
8300 Pena Boulevard, Denver, CO, 80249
The hotel's indoor pool, 24-hour gym, and 2 bars/lounges are among the featured amenities. Traveling on business? Take advantage of the 15 conference rooms, ...
4.5/5 Wonderful! (1,467 reviews)
"Excellent customer service and rooms were very nice."

Reviewed on Jan 31, 2023

The Westin Denver International Airport
La Quinta Inn & Suites by Wyndham Denver Airport DIA
La Quinta Inn & Suites by Wyndham Denver Airport DIA
2.5 out of 5
6801 Tower Rd, Denver, CO, 80249
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport shuttle. ...
4/5 Very Good! (2,829 reviews)
"It was beautiful and modern!"

Reviewed on Feb 1, 2023

La Quinta Inn & Suites by Wyndham Denver Airport DIA
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.