Denver, CO DEN to San Diego, CA SAN flight with Frontier Airlines

Wed, Nov 19
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Frontier Airlines
United
American Airlines
Alaska Airlines
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1,000+ travel companies
Frontier Airlines
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1,000+ travel companies
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Journey information

Overview: Denver, CO to San Diego, CA flight

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Flights from Denver, CO to San Diego, CA depart on average 64 times per day, taking around 3h 35m. Cheap flight tickets for this journey start at $92 (€74) but you can travel from only $77 (€62) by bus.

There are 6 flights per day. The earliest flight runs at 00:59, the last at 23:58. The fastest flight covers the 832 miles (1340 km) distance in 2h 26m. August is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $77 (€62)
Distance
832 miles (1340 km)
Average flight duration
3h 35m
Cheapest ticket price
$92 (€74)
Flights per day
64
Direct flights
6
Fastest flight
2h 26m
Cheapest month to travel
August
First flight
00:59
Last flight
23:58
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $77 (€62)

The cheapest and fastest flights from Denver, CO to San Diego, CA

Showing times and prices for Nov 20

Cheapest price

$122

Average price

$122

Fastest journey

4 h 40 m

Average duration

4 h 40 m

Flights per day

1

Distance

1340 km

Cheap tickets

The best way to find a cheap flight ticket from Denver, CO to San Diego, CA is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Denver, CO to San Diego, CA will cost around $122 if you buy it on the day, but the cheapest tickets can be found for only $122.

Fast flights

Of the 1 flights that leave Denver, CO for San Diego, CA onThu, Nov 20, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Thu, Nov 20 the direct flights cover the 1340 km distance in an average of 4 h 40 m but if you time it right, some flights will get you there in just 4 h 40 m .

On Thu, Nov 20 the longest flights will take 4 h 40 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

Frontier Airlines
01:00PM4h40
Denver, CO
05:40PMSan Diego, CA
$1221One-way
0 transfers

Travel Information

Compare bus, train, and flight for Denver, CO to San Diego, CA

Omio recommends booking the flight as it is the most popular option from Denver, CO to San Diego, CA among Omio's users. If you are prioritising price take the flight with prices starting from €74. For those with little time consider booking a flight which can get you there in 3h 35m. The ticket price range depends on the travel mode: a flight costs an average of €74, and a train costs an average of €186.

Distance: 832 miles (1340 km)

Compare flight with

Most popular
Flight
Bus
Train

€93

Average price

Cheapest

€125

Average price

€277

Average price

6h 35m

Average total duration

Fastest

3h 35m

Onboard

+

3h 0m

Additional time*

25h 39m

Average total duration

25h 9m

Onboard

+

30m

Additional time*

43h 27m

Average total duration

42h 57m

Onboard

+

30m

Additional time*

Frontier Airlines

Most popular airline

Greyhound

Most popular bus company

Amtrak

Most popular train company

Direct Options

Direct Options

Direct Options

Live departures

Denver, CO to San Diego, CA flight times

The table below shows live departures for Denver, CO to San Diego, CA flights for today, Wednesday, November 19. You can also manually refresh the results below to see updated flight journeys.

Last updated at 7:26 AM
ProviderDepartsDurationArrivesTransfers
Tickets
frontier_airlines3:44 PM Denver, CO
2h26
6:10 PM San Diego, CA0 transfersDirect

This is the last flight of the day.

Find all the dates and times for this journey

Compare prices and tickets Denver, CO to San Diego, CA by bus, train, or flight

Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Thu
Nov 20
Fri
Nov 21
Sat
Nov 22
Sun
Nov 23
Mon
Nov 24
Tue
Nov 25
Wed
Nov 26

Airlines: Frontier Airlines, United, American Airlines, Alaska Airlines from Denver, CO to San Diego, CAFind the best flights between Denver, CO to San Diego, CA with Omio's travel partners Frontier Airlines, United, American Airlines, Alaska Airlines from $77 (€62). We can find you the best deals, schedules and tickets when comparing and booking the best trip.

United

About
United Airlines is one of the USA’s leading carriers, operating both domestic and international routes. For your next trip, you can choose from Economy, Premium Economy, and Business Class fares.
Luggage & cancellation policy
Average Duration
2h 24m
Cheapest Price
$183 (€148)
United frequency
15 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.

American Airlines

About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
4h 10m
Cheapest Price
$96 (€78)
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.

Alaska Airlines

About
Alaska Airlines, headquartered in SeaTac, Washington, is a major U.S. airline and the fifth-largest in North America by scheduled passengers carried as of 2024. Along with its regional partners, Horizon Air and SkyWest Airlines, Alaska Airlines operates a route network primarily connecting cities along the West Coast of the United States, including Alaska and Hawaii, to over 100 destinations in the contiguous U.S., the Bahamas, Belize, Canada, Costa Rica, Guatemala, and Mexico. The airline is a member of the Oneworld alliance, offering passengers access to a broad global network. Alaska Airlines is known for its customer service and loyalty program, Mileage Plan, and offers First Class, Premium Class, and Main Cabin seating options. The airline's primary hub is Seattle-Tacoma International Airport. In 2024, its parent company, Alaska Air Group, acquired Hawaiian Airlines.
Luggage & cancellation policy
Alaska Airlines frequency
32 a day
Luggage included
1 carry-on bag (22 x 14 x 9) and 1 personal item included
Additional luggage
Checked bags fees start at $30 for first bag, $40 for second bag
Cancellation Policy
Saver fares are non-refundable. Main and First Class fares are refundable with fee, depending on fare type and elite status
Pregnant on board
Passengers can fly up to 36 weeks pregnant. After 28 weeks, medical certificate required
Unaccompagned minor
Unaccompanied minor service available for children ages 5-17. Service fee is $50 per direction on nonstop flights
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Alaska Airlines provides wheelchair assistance and special services for passengers with disabilities, including meet-and-assist services and accessible seating
Pets
Pets allowed in cabin and cargo hold. Service animals welcome. Fees apply for pets in cabin ($100)

Frontier Airlines

About
Frontier Airlines is a major American ultra-low-cost carrier headquartered in Denver, Colorado, operating flights to over 120 destinations across the United States, Caribbean, Mexico, and Central America. Known for its "Low Fares Done Right" philosophy, Frontier focuses on offering affordable travel by allowing passengers to choose and pay only for the services they need, such as seat selection or baggage. The airline is also recognized for its commitment to fuel efficiency, claiming to be "America's greenest airline" due to its modern, lightweight aircraft and operational practices. A distinctive feature of Frontier is the animal featured on the tail of each aircraft, highlighting North American wildlife.
Luggage & cancellation policy
Average Duration
2h 26m
Cheapest Price
$92 (€74)
Luggage included
Personal item (18 x 14 x 8 inches) included
Additional luggage
Checked bag fees start at $79 per bag
Cancellation Policy
Non-refundable tickets, changes permitted for fee starting at $79 plus fare difference
Pregnant on board
Pregnant women can travel up to 7 days before due date, medical certificate required after 36 weeks
Unaccompagned minor
Children ages 5-14 can travel alone for $100 fee each way, must be nonstop flight only
Amenities on board the airplane
Wifi
Accessibility
Frontier Airlines offers assistance for passengers with disabilities, including wheelchair service and boarding assistance. Passengers are encouraged to request these services in advance to ensure availability and proper arrangements.

FAQs: Denver, CO to San Diego, CA Flight

Find answers to the most common questions about traveling from Denver, CO to San Diego, CA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at San Diego, CA, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Denver, CO to San Diego, CA can start from as little as $113 (€91) when you book in advance. The average flight ticket price for Denver, CO to San Diego, CA is $257 (€208); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The flight time from Denver, CO to San Diego, CA is on average 2 h 21 min   for the 831 mile (1340 km) long journey, but the time it takes to go from Denver, CO to San Diego, CA by flight can vary depending on specific dates or if traveling on weekends and holidays.
The earliest flight from Denver, CO to San Diego, CA leaves at 12: 59AM. Plan your trip with the Journey Planner   from Omio.
The latest flight from Denver, CO to San Diego, CA leaves at 11: 58PM.
There are 37 flights a day from Denver, CO to San Diego, CA which require at least one change with Frontier Airlines, United or American Airlines. Schedules can vary on holidays or weekends with fewer flights.
When taking a flight from Denver, CO to San Diego, CA, you can count on Frontier Airlines, United or American Airlines for the best way to get you to San Diego, CA. You can also check all possible airlines who offer a service between Denver, CO and San Diego, CA and compare the amenities they offer before buying a plane ticket.
The cheapest month to travel from Denver, CO to San Diego, CA by plane is August.
It's helpful to compare your options as there are 3 ways to travel between Denver, CO and San Diego, CA including taking a bus, flight or train.
Since neither Denver, CO nor San Diego, CA are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 1 h between Denver, CO and San Diego, CA all year round.
The best events to attend in San Diego, CA include:
  • Comic-Con International, the largest comic book and popular arts convention in the world
  • San Diego County Fair, a month-long fair featuring rides, games, and local food
  • San Diego Beer Week, a celebration of craft beer with tastings and events across the county
  • La Jolla Music Festival, an annual event showcasing classical music performances in a picturesque coastal setting.
The best holidays to experience in San Diego, CA include:
  • Memorial Day, ideal weather for beach activities and outdoor events
  • Independence Day, spectacular fireworks and patriotic celebrations
  • Labor Day, perfect for enjoying the last days of summer at the beach
  • Thanksgiving, a time for family gatherings with pleasant fall weather.
The best seasons to visit San Diego, CA are Spring or Fall. The best weather to explore San Diego, CA is during April-June or September-November.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e. G. 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs).
Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

popular airports

Popular airports from Denver, CO to San Diego, CA

Denver
San Diego
The major airport for departures in Denver is Denver International Airport. Find all the information you need to know about services, amenities and connections at Denver International Airport for your trip from Denver to San Diego.
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
Car RentalCar Rental
information
ticketOfficeHours
Distance to city center
18 km
carConnection
Car connection
Peña Blvd, Exit 284
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops located in Jeppesen terminal and concourses, including Duty-Free and local brands.
Parking
Parking
  • Parking available, approximately 4.7€ ($5) per hour, parkade adjacent to terminal.
Dining
Dining
  • Various restaurants in Jeppesen terminal and concourses, including American and intertiol cuisine.
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps
WC
WC
  • Available throughout the airport.
Hotel
Hotel
  • Westin Hotel connected to the terminal.
Shower
Shower
  • Showers available at the Westin Hotel, approximately $20.
Lounge
Lounge
  • Multiple lounges available, including United Club and Delta Sky Club.
Lost and Found Office
Lost and Found Office
  • Lost and Found located in Jeppesen terminal, Level 5.
Car Rental
Car Rental
  • Car rental services available on airport property, shuttle service to rental car lots.
Public transit options for Denver International Airport
  • A Line train, Denver Airport Station, 37 minutes to Union Station

More options for your journey from Denver, CO to San Diego, CA

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Most popular flights to and from San Diego, CA and Denver, CO

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