฿4,060 Cheap United flights from Denver to San Diego (DEN→SAN)

View ฿4,060 flight on Wed, 16 Jul 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

United flights from Denver to San Diego (DEN→SAN)

Prices were available within the past 7 days and start at ฿4,060 for one-way flights and ฿7,960 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 14 Aug - Wed, 20 Aug
DEN
Denver
SAN
San Diego
฿7,960 Return, found 5 days ago
฿7,960
Return
found 5 days ago
Select United flight, departing Thu, 14 Aug from Denver to San Diego, returning Wed, 20 Aug, priced at ฿7,960 found 5 days ago
United
Thu, 14 Aug - Wed, 20 Aug
DEN
Denver
SAN
San Diego
฿8,115 Return, found 5 days ago
฿8,115
Return
found 5 days ago
Select United flight, departing Thu, 14 Aug from Denver to San Diego, returning Wed, 20 Aug, priced at ฿8,115 found 5 days ago
United
Thu, 14 Aug - Wed, 20 Aug
DEN
Denver
SAN
San Diego
฿8,285 Return, found 5 days ago
฿8,285
Return
found 5 days ago
Select United flight, departing Thu, 14 Aug from Denver to San Diego, returning Wed, 20 Aug, priced at ฿8,285 found 5 days ago
United
Thu, 14 Aug - Wed, 20 Aug
DEN
Denver
SAN
San Diego
฿8,290 Return, found 5 days ago
฿8,290
Return
found 5 days ago
Select United flight, departing Thu, 14 Aug from Denver to San Diego, returning Wed, 20 Aug, priced at ฿8,290 found 5 days ago
United
Thu, 14 Aug - Wed, 20 Aug
DEN
Denver
SAN
San Diego
฿8,445 Return, found 5 days ago
฿8,445
Return
found 5 days ago
Select United flight, departing Thu, 14 Aug from Denver to San Diego, returning Wed, 20 Aug, priced at ฿8,445 found 5 days ago
United
Thu, 14 Aug - Wed, 20 Aug
DEN
Denver
SAN
San Diego
฿8,460 Return, found 5 days ago
฿8,460
Return
found 5 days ago
Select United flight, departing Thu, 14 Aug from Denver to San Diego, returning Wed, 20 Aug, priced at ฿8,460 found 5 days ago
Flight from Denver to San Diego route information
Origin airport
Denver Intl.
Destination airport
San Diego Intl.
Distance
1363 km
Average flight time
1 hour 21 mins
*Available to Expedia members.