
$80 Cheap United flights from San Diego to Denver (SAN to DEN)
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 $137 round trip and $80 one way. Prices and availability subject to change. Additional terms may apply.
DEN From SAN Economy Coach Packages on Similar Airlines



Frequently asked questions
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 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 $137 to $143, 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 $80. 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 August, 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 hour(s) 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.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 227 |
DEN | USA | Denver Intl. | 226 |
IAH | USA | George Bush Intercontinental | 136 |
IAD | USA | Washington Dulles Intl. | 100 |
SFO | USA | San Francisco Intl. | 64 |
LAX | USA | Los Angeles Intl. | 23 |
EWR | USA | Liberty Intl. | 20 |
FRA | DEU | Frankfurt Intl. | 19 |
NRT | JPN | Narita Intl. | 19 |
PEK | CHN | Capital Intl. | 16 |
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Popular United Flight Routes from SAN
Top Flights for United originating from SAN
Domestic
- Los Angeles to Las Vegas (LAX - LAS)
- Chicago to Orlando (ORD - MCO)
- Los Angeles to San Salvador (LAX - SAL)
- Chicago to Mexico City (ORD - MEX)
- Chicago to Orlando (ORD - MCO)
- Los Angeles to Tokyo (LAX - HND)
- Newark Liberty Intl. Airport to Santiago (EWR - STI)
- Philadelphia to Orlando (PHL - MCO)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Philadelphia to Orlando (PHL - MCO)
International
- Philadelphia to San Juan (PHL - SJU)
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Philadelphia to San Juan (PHL - SJU)
- San Juan to Orlando (SJU - MCO)
- Newark Liberty Intl. Airport to Fort Lauderdale (EWR - FLL)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Newark Liberty Intl. Airport to Santo Domingo (EWR - SDQ)
- Los Angeles to Honolulu (LAX - HNL)
- Boston to Orlando (BOS - MCO)
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