How many flights from Denver to San Diego are non-stop?

Across the trailing 90 days, approximately 65.1% of flights from Denver to San Diego have been non-stop. For flights that include stopovers, travelers typically experience one stop. This indicates that direct options are frequently available for this route. The majority of available flights historically offer the convenience of a direct journey.

How long does it take to fly from Denver to San Diego?

The median flight time for a direct flight from Denver to San Diego is 2 hours and 25 minutes. This route covers a distance of 1371 kilometers. For flights that include one stop, the median travel time increases significantly to 6 hours and 2 minutes. Travelers can expect a considerably shorter journey when opting for non-stop service.

Are there frequently good prices on flights from Denver to San Diego?

Historically, good prices on flights from Denver to San Diego are observed frequently. This route consistently offers favorable deals to travelers. The availability of competitive pricing makes it a popular option for those looking to fly between these two cities. Travelers can often find attractive fares when planning their trips.

Flights From Denver

To San Diego

Cheap Flights from Denver to San Diego

Browse current best options from Denver. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Denver

RatePunk searches hundreds of travel sites at once for deals on flights to San Diego

Prices updated 3 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

Today’s best flight deals from Denver to San Diego

Explore current cheapest deals departing from Denver to San Diego

Round trip

Sort by: Cheapest

August 22 - August 24

Cheapest

DEN - San Diego

$149

$80

Round trip

August 18 - August 20

Cheapest

Best

DEN - San Diego

$150

$80

Round trip

September 19 - September 21

Cheapest

DEN - San Diego

$133

$80

Round trip

September 17 - September 21

Cheapest

DEN - San Diego

$133

$80

Round trip

August 4 - August 12

Earliest

DEN - San Diego

$138

$81

Round trip

August 5 - August 18

DEN - San Diego

$124

$81

Round trip

August 4 - August 11

Earliest

DEN - San Diego

$145

$81

Round trip

August 8 - August 15

DEN - San Diego

$143

$81

Round trip

August 15 - August 18

DEN - San Diego

$148

$81

Round trip

August 12 - August 15

Best

DEN - San Diego

$153

$81

Round trip

Unlock all 500+ flight deals to San Diego and get alerts when great deals appear

Denver to San Diego: Overview

Insights for flights from Denver to San Diego

Right now, 15% of recent fares for flights from Denver to San Diego are classified as a good price. Current fares are above the typical level for this route. Prices typically range from $83–$327, with a median of $174 over the last 90 days. New deals appear almost daily, offering frequent opportunities to find cheap flights from Denver to San Diego.

When considering the cheapest time to fly from Denver to San Diego, the data indicates that April and May are the most affordable months, both with a median fare of $56. November also presents a good option, with a median fare of $89.

A typical journey from Denver to San Diego takes about 2h 25m. This duration reflects the median flight time for all itineraries, including those with connections. For direct flights from Denver to San Diego, the flight time is also approximately 2h 25m.

A meaningful share of itineraries between Denver and San Diego are non-stop, with 65.1% of recent fares being direct flights. For the remaining itineraries that include connections, most involve one stopover.

How much is a round trip from Denver to San Diego

Regular price: $109 - $383

Prices for flights from Denver to San Diego are currently below the regular range.

The regular price range for this route is typically between $109 and $383. The current lowest deal is $80 with Frontier Airlines for travel from Aug 18-Aug 20.

now $80

Low $109

High $383

The cheapest time to fly from Denver to San Diego

Flights from Denver to San Diego are generally lower priced from March to December. The cheapest month to fly is May, with a median price of $56. The most expensive month is January, with a median price of $294.

May

Cheapest

Flights from $56

January

Most Expensive

Flights from $294

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Denver to San Diego

Frontier Airlines

Last-minute flights going from Denver to San Diego

Tue, Aug 4

⌛ Last-Minute

DEN - San Diego

Denver (DEN) - San Diego (SAN)

Frontier Airlines

$137

$81

One-way

Tue, Aug 4

⌛ Last-Minute

DEN - San Diego

Denver (DEN) - San Diego (SAN)

Frontier Airlines

$144

$81

One-way

Tue, Aug 4

⌛ Last-Minute

DEN - San Diego

Denver (DEN) - San Diego (SAN)

Frontier Airlines

$144

$81

One-way

Tue, Aug 4

⌛ Last-Minute

DEN - San Diego

Denver (DEN) - San Diego (SAN)

Frontier Airlines

$155

$81

One-way

Wed, Aug 5

⌛ Last-Minute

DEN - San Diego

Denver (DEN) - San Diego (SAN)

Frontier Airlines

$154

$81

One-way

Wed, Aug 5

⌛ Last-Minute

DEN - San Diego

Denver (DEN) - San Diego (SAN)

Frontier Airlines

$124

$81

One-way

Biggest price drops on these dates for flights from Denver to San Diego

6 nights

Aug 12 - Aug 18

$241 → $138

43%

7 nights

Aug 13 - Aug 20

$240 → $141

41%

1 night

Aug 5 - Aug 6

$266 → $167

37%

2 nights

Aug 1 - Aug 3

$266 → $169

37%

Popular Airports to fly from Denver to San Diego

Denver - San Diego route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Denver to San Diego are above the typical level of $174.

📅 Best time to fly

Fly in May for the best prices

Historically, May is the cheapest month to fly, with a median price of $56.

⏱️ Flight duration

Direct flights take 2h 25m

The typical direct flight from Denver to San Diego takes 2 hours and 25 minutes.

✈️ Airlines & availability

65.1% of flights are direct

Most flights on this route are direct, with 65.1% of recent flights being nonstop.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is a carrier that offers direct flights from Denver to San Diego.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Denver to San Diego are frequent, appearing often.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International Airport is a great option for flights from Denver to San Diego.

📍 ~30 km from city center (reachable by car or train)

💸 Flights from ~$80

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is the primary airport for flights arriving in San Diego from Denver.

📍 ~3 km from city center (reachable by car)

💸 Flights from ~$80

McClellan–Palomar (CLD)

McClellan–Palomar Airport offers an alternative arrival option for travelers heading to the San Diego area.

📍 ~47 km from city center (reachable by car)

💸 Flights from ~$268

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a convenient alternative for Mexico-bound travelers via the Cross Border Xpress (CBX) terminal.

📍 ~30 km from San Diego (reachable by car)

💸 Flights from ~$354

John Wayne (SNA)

John Wayne (SNA) is the closest major US domestic alternative, offering easier navigation and shorter security lines.

📍 ~135 km from San Diego (reachable by car)

💸 Flights from ~$72

Los Angeles International (LAX)

Cheapest

Los Angeles International (LAX) offers unmatched global connectivity and frequent flight schedules, often resulting in lower fares.

📍 ~190 km from San Diego (reachable by car)

💸 Flights from ~$56

Ontario International (ONT)

Ontario International (ONT) is a less congested alternative to LAX with good domestic route coverage and easier access.

📍 ~160 km from San Diego (reachable by car)

💸 Flights from ~$65

Long Beach (LGB)

Long Beach (LGB) provides a very efficient and stress-free terminal experience, especially for travelers from North County.

📍 ~160 km from San Diego (reachable by car)

💸 Flights from ~$136

Business & First Class Flight Deals to San Diego

Discover luxury on the budget with premium cabin class on flights from Denver to San Diego.

Elite

Best Elite deals to San Diego

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From DEN

Elite

Aug 25

San Diego, United States

80% AI deal score

$704

$437

Save $267

From DEN

Elite

Aug 29

San Diego, United States

80% AI deal score

$705

$437

Save $268

From DEN

Elite

Aug 22

San Diego, United States

80% AI deal score

$711

$437

Save $274

From DEN

Elite

Aug 29

San Diego, United States

79% AI deal score

$698

$437

Save $261

From DEN

Elite

Aug 22

San Diego, United States

78% AI deal score

$633

$437

Save $196

From DEN

Elite

Aug 22

San Diego, United States

78% AI deal score

$633

$437

Save $196

From DEN

Elite

Aug 26

San Diego, United States

78% AI deal score

$634

$437

Save $197

From DEN

Elite

Aug 19

San Diego, United States

78% AI deal score

$635

$437

Save $198

From DEN

Elite

Aug 22

San Diego, United States

78% AI deal score

$856

$515

Save $341

From DEN

Elite

Aug 26

San Diego, United States

77% AI deal score

$660

$437

Save $223

From DEN

Elite

Aug 25

San Diego, United States

77% AI deal score

$659

$437

Save $222

From DEN

Elite

Aug 25

San Diego, United States

77% AI deal score

$654

$438

Save $216

From DEN

Elite

Aug 19

San Diego, United States

77% AI deal score

$649

$438

Save $211

From DEN

Elite

Aug 19

San Diego, United States

77% AI deal score

$660

$438

Save $222

From DEN

Elite

Aug 19

San Diego, United States

77% AI deal score

$642

$438

Save $204

From DEN

Elite

Aug 22

San Diego, United States

77% AI deal score

$619

$437

Save $182

From DEN

Elite

Aug 19

San Diego, United States

77% AI deal score

$621

$437

Save $184

From DEN

Elite

Aug 25

San Diego, United States

77% AI deal score

$804

$505

Save $299

From DEN

Elite

Sep 05

San Diego, United States

77% AI deal score

$775

$505

Save $270

From DEN

Elite

Oct 27

San Diego, United States

77% AI deal score

$762

$515

Save $247

From DEN

Elite

Sep 02

San Diego, United States

77% AI deal score

$783

$515

Save $268

From DEN

Elite

Sep 15

San Diego, United States

77% AI deal score

$795

$515

Save $280

From DEN

Elite

Oct 03

San Diego, United States

77% AI deal score

$792

$515

Save $277

From DEN

Elite

Sep 22

San Diego, United States

77% AI deal score

$783

$515

Save $268

From DEN

Elite

Sep 09

San Diego, United States

77% AI deal score

$793

$515

Save $278

From DEN

Elite

Aug 21

San Diego, United States

77% AI deal score

$844

$525

Save $319

From DEN

Elite

Aug 31

San Diego, United States

77% AI deal score

$826

$525

Save $301

From DEN

Elite

Aug 25

San Diego, United States

76% AI deal score

$641

$438

Save $203

From DEN

Elite

Sep 01

San Diego, United States

76% AI deal score

$648

$438

Save $210

From DEN

Elite

Aug 25

San Diego, United States

76% AI deal score

$629

$438

Save $191

From DEN

Elite

Aug 19

San Diego, United States

76% AI deal score

$630

$438

Save $192

From DEN

Elite

Sep 29

San Diego, United States

76% AI deal score

$607

$437

Save $170

From DEN

Elite

Aug 22

San Diego, United States

76% AI deal score

$589

$437

Save $152

From DEN

Elite

Aug 25

San Diego, United States

76% AI deal score

$583

$437

Save $146

From DEN

Elite

Aug 22

San Diego, United States

76% AI deal score

$584

$437

Save $147

From DEN

Elite

Sep 19

San Diego, United States

76% AI deal score

$589

$437

Save $152

From DEN

Elite

Aug 26

San Diego, United States

76% AI deal score

$589

$437

Save $152

From DEN

Elite

Sep 19

San Diego, United States

76% AI deal score

$588

$437

Save $151

From DEN

Elite

Aug 29

San Diego, United States

76% AI deal score

$584

$437

Save $147

From DEN

Elite

Sep 05

San Diego, United States

76% AI deal score

$583

$437

Save $146

From DEN

Elite

Aug 25

San Diego, United States

76% AI deal score

$583

$437

Save $146

From DEN

Elite

Aug 22

San Diego, United States

76% AI deal score

$584

$437

Save $147

From DEN

Elite

Sep 26

San Diego, United States

76% AI deal score

$603

$437

Save $166

From DEN

Elite

Aug 26

San Diego, United States

76% AI deal score

$583

$437

Save $146

From DEN

Elite

Aug 29

San Diego, United States

76% AI deal score

$583

$437

Save $146

From DEN

Elite

Aug 25

San Diego, United States

76% AI deal score

$589

$437

Save $152

From DEN

Elite

Aug 26

San Diego, United States

76% AI deal score

$590

$437

Save $153

From DEN

Elite

Aug 19

San Diego, United States

76% AI deal score

$586

$437

Save $149

From DEN

Elite

Aug 22

San Diego, United States

76% AI deal score

$590

$437

Save $153

From DEN

Elite

Sep 26

San Diego, United States

76% AI deal score

$603

$437

Save $166

From DEN

Elite

Aug 29

San Diego, United States

76% AI deal score

$577

$437

Save $140

From DEN

Elite

Aug 26

San Diego, United States

76% AI deal score

$583

$437

Save $146

From DEN

Elite

Sep 23

San Diego, United States

76% AI deal score

$772

$515

Save $257

From DEN

Elite

Sep 02

San Diego, United States

76% AI deal score

$762

$515

Save $247

From DEN

Elite

Sep 28

San Diego, United States

76% AI deal score

$785

$525

Save $260

From DEN

Elite

Sep 18

San Diego, United States

76% AI deal score

$783

$525

Save $258

From DEN

Elite

Sep 18

San Diego, United States

76% AI deal score

$792

$525

Save $267

From DEN

Elite

Sep 24

San Diego, United States

76% AI deal score

$772

$525

Save $247

From DEN

Elite

Aug 12

San Diego, United States

76% AI deal score

$804

$535

Save $269

From DEN

Elite

Sep 23

San Diego, United States

75% AI deal score

$562

$437

Save $125

From DEN

Elite

Sep 01

San Diego, United States

71% AI deal score

$602

$438

Save $164

From DEN

Elite

Oct 06

San Diego, United States

71% AI deal score

$585

$438

Save $147

From DEN

Elite

Sep 08

San Diego, United States

71% AI deal score

$605

$438

Save $167

From DEN

Elite

Sep 08

San Diego, United States

71% AI deal score

$592

$438

Save $154

From DEN

Elite

Sep 15

San Diego, United States

71% AI deal score

$550

$437

Save $113

From DEN

Elite

Sep 19

San Diego, United States

71% AI deal score

$549

$437

Save $112

From DEN

Elite

Sep 22

San Diego, United States

71% AI deal score

$552

$437

Save $115

From DEN

Elite

Sep 09

San Diego, United States

71% AI deal score

$543

$437

Save $106

From DEN

Elite

Sep 05

San Diego, United States

71% AI deal score

$542

$437

Save $105

From DEN

Elite

Sep 01

San Diego, United States

70% AI deal score

$580

$438

Save $142

From DEN

Elite

Sep 01

San Diego, United States

70% AI deal score

$572

$438

Save $134

From DEN

Elite

Sep 02

San Diego, United States

70% AI deal score

$529

$437

Save $92

From DEN

Elite

Sep 16

San Diego, United States

70% AI deal score

$533

$437

Save $96

From DEN

Elite

Sep 05

San Diego, United States

70% AI deal score

$540

$437

Save $103

From DEN

Elite

Sep 01

San Diego, United States

70% AI deal score

$540

$437

Save $103

From DEN

Elite

Sep 09

San Diego, United States

70% AI deal score

$530

$437

Save $93

From DEN

Elite

Sep 02

San Diego, United States

70% AI deal score

$527

$437

Save $90

From DEN

Elite

Nov 03

San Diego, United States

70% AI deal score

$597

$477

Save $120

From DEN

Elite

Sep 15

San Diego, United States

69% AI deal score

$518

$437

Save $81

From DEN

Elite

Oct 27

San Diego, United States

69% AI deal score

$589

$477

Save $112

From DEN

Elite

Oct 24

San Diego, United States

69% AI deal score

$589

$477

Save $112

From DEN

Elite

Oct 30

San Diego, United States

69% AI deal score

$765

$605

Save $160

From DEN

Elite

Sep 01

San Diego, United States

68% AI deal score

$488

$437

Save $51

From DEN

Elite

Sep 02

San Diego, United States

68% AI deal score

$487

$437

Save $50

From DEN

Elite

Sep 05

San Diego, United States

68% AI deal score

$488

$437

Save $51

From DEN

Elite

Sep 01

San Diego, United States

68% AI deal score

$493

$437

Save $56

From DEN

Elite

Sep 09

San Diego, United States

68% AI deal score

$496

$437

Save $59

From DEN

Elite

Sep 02

San Diego, United States

68% AI deal score

$487

$437

Save $50

From DEN

Elite

Sep 05

San Diego, United States

68% AI deal score

$494

$437

Save $57

From DEN

Elite

Sep 01

San Diego, United States

68% AI deal score

$488

$437

Save $51

From DEN

Elite

Sep 08

San Diego, United States

68% AI deal score

$495

$437

Save $58

From DEN

Elite

Sep 08

San Diego, United States

68% AI deal score

$493

$437

Save $56

From DEN

Elite

Sep 09

San Diego, United States

68% AI deal score

$495

$437

Save $58

From DEN

Elite

Sep 05

San Diego, United States

68% AI deal score

$493

$437

Save $56

From DEN

Elite

Sep 01

San Diego, United States

68% AI deal score

$488

$437

Save $51

From DEN

Elite

Nov 08

San Diego, United States

68% AI deal score

$582

$497

Save $85

From DEN

Elite

Nov 10

San Diego, United States

68% AI deal score

$597

$517

Save $80

From DEN

Elite

Nov 07

San Diego, United States

68% AI deal score

$693

$595

Save $98

From DEN

Elite

Nov 13

San Diego, United States

67% AI deal score

$597

$532

Save $65

From DEN

Elite

Nov 24

San Diego, United States

66% AI deal score

$595

$552

Save $43

Frequently Asked Questions About Flights to San Diego

Historically, the optimal booking window for flights from Denver to San Diego is typically between 28 and 59 days prior to departure. During this period, the average price observed was $128. Booking within 0-6 days of departure generally sees prices around $200, while booking 7-13 days out averages $137. Prices tend to be higher for bookings made more than 60 days in advance, averaging $183.

A good deal for a flight from Denver to San Diego is considered to be $83 or less, based on historical data across the trailing quarter. The median price for this route has been $174. Prices can range significantly, with 75% of observed prices being $327 or less. Therefore, if you find a fare at or below $83, it represents a particularly favorable price.

Historically, the cheapest months to fly from Denver to San Diego are April and May, both with a median price of $56. November also offers competitive pricing, with a median of $89. The annual median price for this route is $174. While November is listed as a cheapest month, it was also the most expensive month in the trailing 270 days, indicating price variability.

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Consider alternative routes from Denver

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