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Amazing United DEN to SAN Flight Deals

The cheapest flights to San Diego Intl. found within the past 7 days were $84 round trip and $49 one way. Prices and availability subject to change. Additional terms may apply.



FAQs about United Airlines Flights from DEN to SAN

What terminal is United Airlines at Denver Airport?

If you're flying with United Airlines from Denver, CO (DEN-Denver Intl.), you'll generally board from the main terminal. If you're heading to San Diego, CA (SAN-San Diego Intl.) from here, you'll probably be disembarking at terminal 2.

Are there United Airlines non-stop flights from DEN to SAN?

With United Airlines offering direct flights from Denver, CO (DEN-Denver Intl.) to San Diego, CA (SAN-San Diego Intl.), your next exciting adventure is a plane ride away. Kiss goodbye to the hassle, inconvenience and time delays that are often associated with stopovers, and reserve your seat today.

How long is an United Airlines flight from DEN to SAN?

If the weather's fine and there are no delays, your United Airlines flight from DEN to SAN should take approximately 3 hours and 28 minutes. Use the time to check your travel itinerary before you touch down.

What type of aircraft does United Airlines fly from DEN to SAN?

Booked a flight with United Airlines between DEN and SAN? The Boeing 737-900 and the Boeing 737-800 are the aircraft models that commonly operate on this air route.

How many direct and indirect flights does United Airlines fly from DEN to SAN?

You can take your pick of at least 5 United Airlines flights every day from DEN to SAN.

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 San Diego, CA (SAN-San Diego Intl.), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week 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 2019, flights departing on a Tuesday 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 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

Carrier Flight Depart DEN Arrive SAN Mon
1/25
Tue
1/26
Wed
1/27
Thu
1/28
Fri
1/29
Sat
1/30
Sun
1/31
Stops
UA 1508 11:16 am 12:46 pm Check fare - Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 540 07:44 pm 09:15 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

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*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.