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.
SANDENFri, 30 Oct
Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fareUS$127Delta Air Lines
Fastest2h 25mgate to gate
Options found52flights on this route
Find your flightSAN → DEN
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$1,127
Flight DetailsSAN to DEN - 7H :00 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-2117
16:01
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
5H :09 M
1 Stop
SFO
· 0h 50m San Francisco (SFO), United States
22:10
2026-10-30
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$163
Flight DetailsSAN to DEN - 5H :09 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-2117
16:01
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
6H :58 M
1 Stop
SFO
· 2h 38m San Francisco (SFO), United States
23:59
2026-10-30
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$163
Flight DetailsSAN to DEN - 6H :58 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-2117
16:01
2026-10-30
San Diego (SAN)Lindberg Fld S. Diego
7H :58 M
1 Stop
SFO
· 3h 39m San Francisco (SFO), United States
00:59
2026-10-31
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$163
Flight DetailsSAN to DEN - 7H :58 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Airfare Highlights
From flights departing on Fri, 30 Oct 2026.
Lowest fare$127Delta Air Lines15:59
Earliest departure$254American Airlines06:00
Shortest duration$155United Airlines08:45
Night
00:00-05:59
No optionOpen full search for moreMorning
06:00-11:59
$133Delta Air Lines at 07:45Afternoon
12:00-17:59
$127Delta Air Lines at 15:59Evening
18:00-23:59
$133Delta Air Lines at 18:57
Departure & Arrival Airport Details
San Diego (SAN)
Lindberg Fld S. Diego
United States
GMT -8
Latitude: 32.7336006165
Longitude: -117.190002441
Denver (DEN)
Denver International
United States
GMT -7
Latitude: 39.861698150635
Longitude: -104.672996521
Distance: San Diego (SAN), United States to Denver (DEN), United States - 1,371.32 km
Flights shown for 30 Oct 2026. View all flights opens the complete search result.
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 DayMondayPeak
12OctColumbus DayMondayPeak
12OctIndigenous Peoples' DayMondayPeak
11NovVeterans DayWednesdayPeak
26NovThanksgiving DayThursdayPeak
25DecChristmas DayFridayPeak
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 San Diego to Denver
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 25m12 flights
Connecting flight₹12,256Longer, includes a stop40 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 San Diego to Denver
Compare fares, stops, baggage and refundability across the airlines flying this route.
UN
United Airlines Flights
from $15525 flights
Fares from
$155
Non-stop
9 in these results
Departures
25 in the list above
AM
American Airlines Flights
from $16311 flights
Fares from
$163
Non-stop
None in these results
Departures
11 in the list above
AL
Alaska Airlines Flights
from $1849 flights
Fares from
$184
Non-stop
3 in these results
Departures
9 in the list above
DE
Delta Air Lines Flights
from $1277 flights
Fares from
$127
Non-stop
None in these results
Departures
7 in the list above
Route Overview & Flight Facts
Fastest flight duration
2h 25m · United Airlines
First departure of the day
06:00 · American Airlines
Last departure of the day
20:19 · Alaska Airlines
Flight options found
52
Direct / non-stop options
12
Airport codes
San Diego–SAN, Denver–DEN
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 52 flight options, 12 of them non-stop. The first flight leaves around 06:00 and the last around 20:19. The fastest flight takes about 2h 25m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Afternoon from $127, Morning from $133, Evening from $133. 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
Enter your travel details
Choose one-way or round-trip, pick your dates and travellers in the search form above.
2
Compare search results
Sort or filter the San Diego–Denver results by price, departure time, stops and airline.
3
Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
4
Review the final price
Review the refreshed supplier fare, coupon saving and selected payment-method fee before you pay.
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 San Diego to Denver 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.
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Exclusive Flight Offers & Promo Coupons
Coupon code
Offer
Max saving
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Up to 20% Off on Flights
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Check coupon eligibility and the final discount on the review page before you pay. View full terms.
Frequently Asked Questions
Is it worth booking San Diego to Denver 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 San Diego to Denver dates shown on this page, the lowest fare is on a Friday at $127. This can change from week to week.
How far is San Diego from Denver by air?
The direct air distance between San Diego (SAN) and Denver (DEN) 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 SAN to DEN?
Yes. 12 non-stop flights are listed on this page for San Diego to Denver. Use the Stops filter to see only those.
Which airlines fly San Diego to Denver?
United Airlines, American Airlines, Alaska Airlines and Delta Air Lines 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 San Diego to Denver?
The quickest non-stop San Diego to Denver flight on this page takes about 2h 25m. Non-stop flights here take between 2h 25m and 6h 22m. Journeys with a stop take longer, since the total includes the layover.
What is the cheapest San Diego to Denver flight fare?
The lowest San Diego to Denver fare on this page is $127. Fares on the same dates run up to $671, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.
What time do San Diego to Denver flights depart?
On the dates shown here, the first departure is around 06:00 and the last around 20:19, local time at San Diego. 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 SAN–DEN, 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.
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.
The SAN to DEN 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
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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 San Diego to Denver airfare, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare
$127
30/10/2026
Delta Air Lines
15:59
Cheapest Airfare Within 30 Days
$125
07/11/2026
Delta Air Lines
15:59
Cheapest Airfare Within 90 Days
$121
06/01/2027
Delta Air Lines
15:59
Book San Diego to Denver Flight Tickets on FlyX
FlyX lists each San Diego to Denver 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.
San Diego to Denver Flight Distance, Duration and Time
The aerial distance between San Diego and Denver is about 1,371 KM. In these results, journey times range from 2h 25m to 21h 50m. Flights with a layover take longer because the total includes the connection time.
San Diego to Denver Flight Schedule and Timing
The search for these dates returned 52 flight options, 12 of them non-stop. The first departure from San Diego is at 06:00 and the last is at 20:19. Flights leave from Lindberg Fld S. Diego and land at Denver International.
Flight Route Details & Analysis
Flight Details
Information
Route
San Diego to Denver
Aerial Distance
1,371 KM
Flight Duration
2h 25m - 21h 50m
Airport Codes
San Diego - SAN, Denver - DEN
Total Flights Available
52 flights12 direct40 with layovers
First Flight Departure
Departs at 06:00
Last Flight Departure
Departs at 20:19
Early Morning Flights (12 AM - 8 AM)
10 flights1 direct9 with layovers
Morning Flights (8 AM - 12 PM)
10 flights4 direct6 with layovers
Afternoon Flights (12 PM - 4 PM)
14 flights4 direct10 with layovers
Evening Flights (4 PM - 8 PM)
17 flights2 direct15 with layovers
Night Flights (8 PM - 12 AM)
1 flight1 direct0 with layovers
Airport Information & Terminals
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.
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.
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San Diego to Denver
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Lindberg Fld S. Diego
