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DEN to SAN

Denver to San Diego Flights

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fare₹10,907Delta Air Lines
Fastest2h 24mgate to gate
Options found69flights on this route
Find your flight DEN SAN

Available Flights & Fares

Compare fares, timings and baggage. Pick the flight that suits your trip.

Prices in INR
69 flight options

Fares are checked again before payment.

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Delta Air Lines
Delta Air Lines
DL-2544
05:25
2026-10-30
Denver (DEN)Denver International
4H :22 M
1 Stop
SLC · 0h 44m Salt Lake City (SLC), United States
08:47
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1317
10:45
2026-10-30
Denver (DEN)Denver International
6H :11 M
1 Stop
SLC · 2h 39m Salt Lake City (SLC), United States
15:56
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1623
18:00
2026-10-30
Denver (DEN)Denver International
6H :55 M
1 Stop
SLC · 3h 18m Salt Lake City (SLC), United States
23:55
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1731
06:00
2026-10-30
Denver (DEN)Denver International
17H :51 M
1 Stop
SEA · 11h 49m Seattle (SEA), United States
22:51
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2543
18:42
2026-10-30
Denver (DEN)Denver International
16H :25 M
1 Stop
SEA · 10h 27m Seattle (SEA), United States
10:07
2026-10-31
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1358
13:55
2026-10-30
Denver (DEN)Denver International
9H :56 M
1 Stop
SEA · 3h 51m Seattle (SEA), United States
22:51
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1358
13:55
2026-10-30
Denver (DEN)Denver International
21H :12 M
1 Stop
SEA · 15h 07m Seattle (SEA), United States
10:07
2026-10-31
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2543
18:42
2026-10-30
Denver (DEN)Denver International
19H :16 M
1 Stop
SEA · 13h 11m Seattle (SEA), United States
12:58
2026-10-31
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2309
07:40
2026-10-30
Denver (DEN)Denver International
2H :30 M
Non Stop
09:10
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1940
11:25
2026-10-30
Denver (DEN)Denver International
2H :31 M
Non Stop
12:56
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1302
13:25
2026-10-30
Denver (DEN)Denver International
2H :30 M
Non Stop
14:55
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1281
15:45
2026-10-30
Denver (DEN)Denver International
2H :30 M
Non Stop
17:15
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-540
19:05
2026-10-30
Denver (DEN)Denver International
2H :31 M
Non Stop
20:36
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2395
21:00
2026-10-30
Denver (DEN)Denver International
2H :30 M
Non Stop
22:30
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1389
19:20
2026-10-30
Denver (DEN)Denver International
5H :59 M
Non Stop
00:19
2026-10-31
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2367
05:00
2026-10-30
Denver (DEN)Denver International
6H :12 M
1 Stop
SFO · 1h 42m San Francisco (SFO), United States
10:12
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2367
05:00
2026-10-30
Denver (DEN)Denver International
7H :57 M
1 Stop
SFO · 3h 27m San Francisco (SFO), United States
11:57
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
AA
American Airlines
AA-4040
06:00
2026-10-30
Denver (DEN)Denver International
4H :07 M
1 Stop
PHX · 0h 39m Phoenix (PHX), United States
09:07
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
United Airlines
United Airlines
UA-2265
06:00
2026-10-30
Denver (DEN)Denver International
5H :12 M
1 Stop
SFO · 0h 41m San Francisco (SFO), United States
10:12
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1850
06:00
2026-10-30
Denver (DEN)Denver International
6H :31 M
1 Stop
LAX · 2h 55m Los Angeles (LAX), United States
11:31
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2265
06:00
2026-10-30
Denver (DEN)Denver International
6H :57 M
1 Stop
SFO · 2h 26m San Francisco (SFO), United States
11:57
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
AA
American Airlines
AA-4040
06:00
2026-10-30
Denver (DEN)Denver International
7H :18 M
1 Stop
PHX · 3h 44m Phoenix (PHX), United States
12:18
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces

Recommended hotels in San Diego

Stay options near the arrival city for the same travel date.

Search hotels
United Airlines
United Airlines
UA-2391
07:40
2026-10-30
Denver (DEN)Denver International
5H :17 M
1 Stop
SFO · 0h 46m San Francisco (SFO), United States
11:57
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1638
07:55
2026-10-30
Denver (DEN)Denver International
4H :36 M
1 Stop
LAX · 0h 57m Los Angeles (LAX), United States
11:31
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
AA
American Airlines
AA-1404
08:05
2026-10-30
Denver (DEN)Denver International
5H :13 M
1 Stop
PHX · 1h 19m Phoenix (PHX), United States
12:18
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
United Airlines
United Airlines
UA-616
09:50
2026-10-30
Denver (DEN)Denver International
6H :42 M
1 Stop
SFO · 2h 08m San Francisco (SFO), United States
15:32
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 8 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
No flights match the selected filters. Clear filters or open full search.

Airfare Highlights

From flights departing on Fri, 30 Oct 2026.

Lowest fare ₹10,907 Delta Air Lines 05:25
Earliest departure ₹15,729 United Airlines 05:00
Shortest duration ₹31,465 United Airlines 11:30
Night 00:00-05:59 ₹10,907 Delta Air Lines at 05:25
Morning 06:00-11:59 ₹10,907 Delta Air Lines at 10:45
Afternoon 12:00-17:59 ₹13,611 Delta Air Lines at 13:55
Evening 18:00-23:59 ₹10,907 Delta Air Lines at 18:00

Departure & Arrival Airport Details

Denver (DEN)

Denver International

United States

GMT -7

Latitude: 39.861698150635

Longitude: -104.672996521

San Diego (SAN)

Lindberg Fld S. Diego

United States

GMT -8

Latitude: 32.7336006165

Longitude: -117.190002441

Distance: Denver (DEN), United States to San Diego (SAN), United States - 1,371.32 km
Flights shown for 30 Oct 2026. View all flights opens the complete search result.
Route forecast

Weather in Denver and San Diego

Live forecast for both cities, 12 Oct to 15 Oct.

Departure city

Denver

Thu, 15 Oct
18°CClear skyLow 6°
76% humidity 8 km/h wind
  • Mon28° / 19°
  • Tue28° / 13°
  • Wed13° / 11°
Arrival city

San Diego

Thu, 15 Oct
22°CClear skyLow 15°
78% humidity 9 km/h wind
  • Mon22° / 18°
  • Tue20° / 13°
  • Wed20° / 16°

Forecast data from MET Norway, CC BY 4.0.

Smart travel dates

Holidays and peak dates for San Diego

Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.

Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).

  • 12OctColumbus DayMonday
  • 12OctColumbus DayMonday
  • 12OctIndigenous Peoples' DayMonday
  • 11NovVeterans DayWednesday
  • 26NovThanksgiving DayThursday
  • 25DecChristmas DayFriday

Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.

Compare your journey

How to travel Denver to San Diego

Ways to make this trip that you can book on FlyX, compared by price and journey time.

OptionFromJourney timeAvailabilityAction
Non-stop flight Fastest₹14,9802h 24m13 flights
Connecting flight₹10,907Longer, includes a stop56 options

Air distance is about 1,371 km. 4 airlines operate this route.

Road distance and coach duration are approximate estimates from the air distance, not a timetable.

Airlines flying from Denver to San Diego

Compare fares, stops, baggage and refundability across the airlines flying this route.

United Airlines Flights

from ₹14,98031 flights
Fares from
₹14,980
Non-stop
10 in these results
Departures
31 in the list above

Delta Air Lines Flights

from ₹10,90717 flights
Fares from
₹10,907
Non-stop
None in these results
Departures
17 in the list above

American Airlines Flights

from ₹15,72916 flights
Fares from
₹15,729
Non-stop
None in these results
Departures
16 in the list above

Alaska Airlines Flights

from ₹17,7235 flights
Fares from
₹17,723
Non-stop
3 in these results
Departures
5 in the list above

Route Overview & Flight Facts

Fastest flight duration2h 24m · United Airlines
First departure of the day05:00 · United Airlines
Last departure of the day21:00 · United Airlines
Flight options found69
Direct / non-stop options13
Airport codesDenver–DEN, San Diego–SAN

Fares and timings are indicative. The exact price is confirmed with the airline when you search.

Flight Schedule, Timings & Airfare Insights

Daily Flight Schedule & Travel Duration

The search for Fri, 30 Oct found 69 flight options, 13 of them non-stop. The first flight leaves around 05:00 and the last around 21:00. The fastest flight takes about 2h 24m.

Morning vs Evening Departure Fares

Lowest fare by departure window: Night from ₹10,907, Morning from ₹10,907, Evening from ₹10,907, Afternoon from ₹13,611. These observations do not predict the cheapest departure window on other dates.

Cheapest Airfare & Best Time to Book

Search your travel dates to compare current fares. Prices change with airline seat availability.

One-Way vs Round-Trip Fare Comparison

Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.

Online Web Check-In & Boarding Pass

Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.

How to Book Cheap Flights on FlyX

  1. 1
    Enter your travel details

    Choose one-way or round-trip, pick your dates and travellers in the search form above.

  2. 2
    Compare search results

    Sort or filter the Denver–San Diego results by price, departure time, stops and airline.

  3. 3
    Open the fare choices

    Check baggage allowance and refundability for each fare type before continuing.

  4. 4
    Review the final price

    Review the refreshed supplier fare, coupon saving and selected payment-method fee before you pay.

  5. 5
    Pay securely

    UPI, cards, net banking and wallets supported; payment and ticket issuance have separate statuses. If issuance is pending, follow the booking status; the confirmed ticket is sent after issuance.

Why Book Your Flight with FlyX?

Compare the available Denver to San Diego options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.

Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.

Fare checked before paymentCoupon eligibility checkedBooking status trackingBooking support

Exclusive Flight Offers & Promo Coupons

Coupon codeOfferMax saving
FLYX20Up to 20% Off on Flights₹1,500

Check coupon eligibility and the final discount on the review page before you pay. View full terms.

Frequently Asked Questions

Is it worth booking Denver to San Diego flights in advance?

There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. On the Denver to San Diego dates shown on this page, the lowest fare is on a Friday at ₹10,907. This can change from week to week.

How far is Denver from San Diego by air?

The direct air distance between Denver (DEN) and San Diego (SAN) is about 1,371 km. Actual flight time varies with the routing the airline files and with winds on the day.

Are there non-stop flights from DEN to SAN?

Yes. 13 non-stop flights are listed on this page for Denver to San Diego. Use the Stops filter to see only those.

Which airlines fly Denver to San Diego?

United Airlines, Delta Air Lines, American Airlines and Alaska Airlines are listed on this route for the dates shown here. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.

How long is the flight from Denver to San Diego?

The quickest non-stop Denver to San Diego flight on this page takes about 2h 24m. Non-stop flights here take between 2h 24m and 8h 17m. Journeys with a stop take longer, since the total includes the layover.

What is the cheapest Denver to San Diego flight fare?

The lowest Denver to San Diego fare on this page is ₹10,907. Fares on the same dates run up to ₹64,120, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.

What time do Denver to San Diego flights depart?

On the dates shown here, the first departure is around 05:00 and the last around 21:00, local time at Denver. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.

Why does the price change after clicking Book Now?

Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay. If it has moved, you see the new figure before any payment.

Before you book this route

Check the airport codes DEN–SAN, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.

Where these fares come from

The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price. Run a search to see what is available for your own dates.

Fares shown are for departures on .

Check official travel requirements

Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.

For payment, ticket issuance or a change request, see FlyX support. About FlyX.

United States travel guide for Indian travellers

Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.

Read the United States travel guide

What to Expect When Booking Your Flight

The DEN to SAN cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 1,371.32 km.

Before you book

Compare nearby dates

The date strip opens the complete search result for the route and selected date.

Use filters

Shortlist by price, stops, departure time and refundable fare preference.

Check fare choices

Continue to Booking opens the verified fare choices, including baggage and refundability, before review.

Lowest Denver to San Diego airfare, in 30 days and in 90 days

Cheapest FareFareDateAirlineDeparture
Lowest Airfare ₹10,907 30/10/2026 Delta Air Lines 05:25
Cheapest Airfare Within 30 Days ₹10,689 07/11/2026 Delta Air Lines 05:25
Cheapest Airfare Within 90 Days ₹10,362 06/01/2027 Delta Air Lines 05:25

Book Denver to San Diego Flight Tickets on FlyX

FlyX lists each Denver to San Diego flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.

Denver to San Diego Flight Distance, Duration and Time

The aerial distance between Denver and San Diego is about 1,371 KM. In these results, journey times range from 2h 24m to 21h 12m. Flights with a layover take longer because the total includes the connection time.

Denver to San Diego Flight Schedule and Timing

The search for these dates returned 69 flight options, 13 of them non-stop. The first departure from Denver is at 05:00 and the last is at 21:00. Flights leave from Denver International and land at Lindberg Fld S. Diego.

Flight Route Details & Analysis

Flight DetailsInformation
RouteDenver to San Diego
Aerial Distance1,371 KM
Flight Duration2h 24m - 21h 12m
Airport CodesDenver - DEN, San Diego - SAN
Total Flights Available69 flights13 direct56 with layovers
First Flight DepartureDeparts at 05:00
Last Flight DepartureDeparts at 21:00
Early Morning Flights (12 AM - 8 AM)20 flights1 direct19 with layovers
Morning Flights (8 AM - 12 PM)14 flights4 direct10 with layovers
Afternoon Flights (12 PM - 4 PM)20 flights3 direct17 with layovers
Evening Flights (4 PM - 8 PM)14 flights4 direct10 with layovers
Night Flights (8 PM - 12 AM)1 flight1 direct0 with layovers

Airport Information & Terminals

DEN: Denver airport. Denver airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.

SAN: San Diego airport. San Diego airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.

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