28% OFF Cheap Flights from Denver to San Diego (SAN)

Expected price increase 26%
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Average price per month


  • Low Season: February
  • High Season: September
  • Prices for this route are volatile and fluctuate from month to month.
  • The cheapest flights are usually bought in February, December and January.
  • High season months are November, October and September. However, it's not the rule and you should always search current flight deals.
  • For example, the flight from Denver to San Diego is currently 28% cheaper than average.

Price increase as travel date approaches


  • Flight prices for this route increase by 49% if you book last minute. Hover on the graph above to see for yourself!.
  • To grab the lowest price possible, you should buy your flight around 30 days before departure!
  • Consider booking at least 15 days before departure to increase your chances of getting a low price.
  • Generally, it's safe to book between 90 and 60 days in advance.

Denver to San Diego Flight Information

Flights Depart FromDenver (DEN)
Flights Arriving ToSan Diego (SAN)
Distance1371.76 km
Current Discount28 %
Average Price $162.45
Good Deal $127
Cheapest AirlinesUnited Airlines
Popular AirlinesDelta Air Lines, American Airlines, United Airlines, Frontier Airlines, Spirit Airlines
Flight Duration01 hours 59 minutes
Flights Depart From
Denver (DEN)
Flights Arrive In
San Diego (SAN)
Distance
1371.76 km
Flight Duration
01 hours 59 minutes
Current Discount
28 %
Average Price
$162.45
Good Deal
$127
Cheapest Airlines
United Airlines
Popular Airlines
Delta Air Lines, American Airlines, United Airlines, Frontier Airlines, Spirit Airlines

Most Reliable Airlines flying to San Diego

Airline Overall Rating On time arrival Check-in & Boarding Cleanliness Customer Service Food & Beverage Entertainment Legroom Seat Comfort
Delta Air Lines Delta Air Lines 3.8 4.5 4.0 4.0 4.0 3.5 4.0 3.5 3.5
American Airlines American Airlines 3.3 4.0 3.5 3.5 3.5 3.0 3.0 3.5 3.0
United Airlines United Airlines 3.3 4.0 3.5 3.5 3.5 3.0 3.0 3.0 3.0
Frontier Airlines Frontier Airlines 2.8 3.5 3.5 3.5 3.0 2.0 1.5 2.5 2.5
Spirit Airlines Spirit Airlines 2.8 4.5 3.0 3.5 3.0 2.0 1.5 2.5 2.5
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.0
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.0
Seat Comfort
3.0
Overall Rating
3.0
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.0
Food & Beverage
2.0
Entertainment
1.5
Legroom
2.5
Seat Comfort
2.5
Overall Rating
3.0
On time arrival
4.5
Check-in & Boarding
3.0
Cleanliness
3.5
Customer Service
3.0
Food & Beverage
2.0
Entertainment
1.5
Legroom
2.5
Seat Comfort
2.5

Good to know:


  • San Diego International Airport is the major airport in San Diego and surrounding area.

Enter your preferred departure airport and travel dates into the search form above to unlock the latest San Diego flight deals.

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How to get the cheapest flight to San Diego?

Currently there is a 28% discount on flights to San Diego. This price won't stay too long and you should consider buying now.

Flight prices for this route are expected to go up by 26%.

Search and compare flight options now!.

Awesome Deals

notifications_active In the past few days the following airlines offered the lowest prices from Denver to San Diego: United Airlines..

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