1,000+ travel companies
1,000+ travel companies
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
4.942K ratings
Google Play
4.6136K reviews
Journey information
Overview: San Diego, CA to Denver, CO flight
USAUSA
Flights from San Diego, CA to Denver, CO depart on average 73 times per day, taking around 3h 33m. Cheap flight tickets for this journey start at $21 (€17) if you book in advance.
There are 8 flights per day. The earliest flight runs at 00:17, the last at 23:56. The fastest flight covers the 832 miles (1340 km) distance in 2h 22m. December 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
Distance 832 miles (1340 km) |
Average flight duration 3h 33m |
Cheapest ticket price $21 (€17) |
Flights per day 73 |
Direct flights 8 |
Fastest flight 2h 22m |
Cheapest month December |
First flight 00:17 |
Last flight 23:56 |
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
The cheapest and fastest flights from San Diego, CA to Denver, CO
Showing times and prices for Feb 28
Cheapest price
$21
Average price
$143
Fastest journey
2 h 31 m
Average duration
2 h 34 m
Flights per day
5
Distance
1340 km
Cheap tickets
The best way to find a cheap flight ticket from San Diego, CA to Denver, CO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from San Diego, CA to Denver, CO will cost around $143 if you buy it on the day, but the cheapest tickets can be found for only $21.
Fast flights
Of the 5 flights that leave San Diego, CA for Denver, CO onSat, Feb 28, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sat, Feb 28 the direct flights cover the 1340 km distance in an average of 2 h 34 m but if you time it right, some flights will get you there in just 2 h 31 m .
On Sat, Feb 28 the longest flights will take 2 h 37 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.
04:16AM2h37
San Diego, CA06:53AMDenver, CO
$211One-way
0 transfers
07:47PM2h36
San Diego, CA10:23PMDenver, CO
$1081One-way
0 transfers
02:25PM2h35
San Diego, CA05:00PMDenver, CO
$1211One-way
0 transfers
07:00PM2h31
San Diego, CA09:31PMDenver, CO
$1811One-way
0 transfers
12:47AM2h33
San Diego, CA03:20AMDenver, CO
$2821One-way
0 transfers
07:00PM2h31
San Diego, CA09:31PMDenver, CO
$1811One-way
0 transfers
12:47AM2h33
San Diego, CA03:20AMDenver, CO
$2821One-way
0 transfers
02:25PM2h35
San Diego, CA05:00PMDenver, CO
$1211One-way
0 transfers
07:47PM2h36
San Diego, CA10:23PMDenver, CO
$1081One-way
0 transfers
04:16AM2h37
San Diego, CA06:53AMDenver, CO
$211One-way
0 transfers
Travel Information
Compare bus, train, and flight for San Diego, CA to Denver, CO
Omio recommends booking the flight as it is the most popular option from San Diego, CA to Denver, CO among Omio's users. If you are prioritising price take the flight with prices starting from €17. For those with little time consider booking a flight which can get you there in 3h 33m. The ticket price range depends on the travel mode: a flight costs an average of €17, and a train costs an average of €161.
Distance: 832 miles (1340 km)
Compare flight with
Most popular Flight | Train | Bus |
|---|---|---|
€87 Average price Cheapest | €354 Average price | €146 Average price |
6h 33m Average total duration Fastest 3h 33m Onboard + 3h 0m Additional time* | 46h 35m Average total duration 46h 5m Onboard + 30m Additional time* | 27h 3m Average total duration 26h 33m Onboard + 30m Additional time* |
Most popular airline |  Most popular train company |  Most popular bus company |
Direct Options | Direct Options | Direct Options |
Live departures
San Diego, CA to Denver, CO flight times
The table below shows live departures for San Diego, CA to Denver, CO flights for tomorrow, Sunday, February 22. You can also manually refresh the results below to see updated flight journeys.
Last updated at 11:54 PM
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 12:47 AM San Diego, CA | 2h33 | 3:20 AM Denver, CO | 0 transfersDirect | |
| 4:16 AM San Diego, CA | 2h37 | 6:53 AM Denver, CO | 0 transfersDirect | |
| 2:25 PM San Diego, CA | 2h35 | 5:00 PM Denver, CO | 0 transfersDirect | |
| 7:00 PM San Diego, CA | 2h31 | 9:31 PM Denver, CO | 0 transfersDirect | |
| 7:47 PM San Diego, CA | 2h36 | 10:23 PM Denver, CO | 0 transfersDirect |
Find all the dates and times for this journey
Compare prices and tickets San Diego, CA to Denver, CO 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.
Sun
Feb 22
Feb 22
Mon
Feb 23
Feb 23
Tue
Feb 24
Feb 24
Wed
Feb 25
Feb 25
Thu
Feb 26
Feb 26
Fri
Feb 27
Feb 27
Sat
Feb 28
Feb 28
Why should you book San Diego, CA to Denver, CO flights with Omio?
Frontier Airlines as well as United, Alaska Airlines, Spirit Airlines and more offer flights services from San Diego, CA to Denver, CO.
Omio is an official ticket reseller for all your travel options from San Diego, CA to Denver, CO.
Why book with Omio vs Frontier Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for Frontier Airlines, but also compare tickets for the likes of United, Alaska Airlines or Spirit Airlines to find the best option for your trip from San Diego, CA to Denver, CO.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Frontier Airlines with all available travel options, which are bus, train and flight to ensure you get the best deal for traveling from San Diego, CA to Denver, CO.
Why book with Omio over Trip, Edreams or Kayak?
- Compare with other providers: On Omio, you can also compare tickets for the likes of United, Alaska Airlines or Spirit Airlines to find the best option for your trip from San Diego, CA to Denver, CO.
- Multiple modes of transport: Omio allows you to compare travel options including bus, train and flight to find the ideal travel option from San Diego, CA to Denver, CO.
Airlines: Frontier Airlines, United, Alaska Airlines, Spirit Airlines from San Diego, CA to Denver, COFind the best flights between San Diego, CA to Denver, CO with Omio's travel partners Frontier Airlines, United, Alaska Airlines, Spirit Airlines from $21 (€17). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average Duration
2h 31m
Cheapest Price
$181 (€144)
United frequency
34 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.
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
Average Duration
2h 22m
Cheapest Price
$65 (€52)
Alaska Airlines frequency
19 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 29m
Cheapest Price
$21 (€17)
Frontier Airlines frequency
10 a day
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.
Spirit Airlines
About
Spirit Airlines is an American ultra-low-cost carrier, headquartered in Dania Beach, Florida, operating scheduled flights throughout the United States, the Caribbean, and Latin America. Known for its distinctive bright yellow planes, Spirit's business model traditionally focuses on offering low base fares by unbundling services, allowing passengers to pay only for the amenities they choose, such as baggage and seat selection. As of August 2024, Spirit is evolving its offerings, introducing new fare tiers like "Go Big," "Go Comfy," "Go Savvy," and "Go," which include various bundled perks such as wider seats, extra legroom, priority boarding, and in-flight refreshments. Spirit was the seventh largest passenger carrier in North America as of 2023.
Luggage & cancellation policy
Average Duration
3h 50m
Cheapest Price
$56 (€45)
Luggage included
Personal item (18 x 14 x 8 inches) included
Additional luggage
Checked bags: First bag $79-89, Second bag $89-99, Additional bags $105-110
Cancellation Policy
Cancellation within 24 hours of booking is free, after that fees apply based on fare type and timing
Pregnant on board
Up to 7 days before departure with medical certificate. After 28 weeks, medical certificate required
Unaccompagned minor
Ages 5-14 can travel as unaccompanied minors for $100 fee per direction. Service not available on international flights or connecting flights
Amenities on board the airplane
Wifi
Accessibility
Spirit Airlines offers assistance for passengers with disabilities, including wheelchair services and priority boarding. Passengers are encouraged to request assistance at least 48 hours in advance to ensure availability.
FAQs: San Diego, CA to Denver, CO Flight
Find answers to the most common questions about traveling from San Diego, CA to Denver, CO 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 Denver, CO, this guide helps you travel smarter and with confidence.
Cheap plane tickets from San Diego, CA to Denver, CO can start from as little as $21 (€17) when you book in advance. The average flight ticket price for San Diego, CA to Denver, CO is $109 (€87) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from San Diego, CA to Denver, CO is 2h 22m to travel the 832 miles (1340 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from San Diego, CA to Denver, CO leaves at 12:17 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from San Diego, CA to Denver, CO leaves at 11:56 PM.
Yes, there are 8 direct flights a day from San Diego, CA to Denver, CO with Frontier Airlines, United, Alaska Airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from San Diego, CA to Denver, CO, you can count on Frontier Airlines, United, Alaska Airlines, Spirit Airlines for the best way to get you to Denver, CO. You can also check all possible airlines who offer a service between San Diego, CA and Denver, CO and compare the amenities they offer before buying a plane ticket.
Flights from San Diego, CA to Denver, CO generally leave from San Diego International Airport and arrive in Denver International Airport.San Diego International Airport is 2 miles (4 km) away from San Diego, CA city centre and Denver International Airport is 11 miles (18 km) from Denver, CO city centre.
The cheapest month for a flight from San Diego, CA to Denver, CO is December.
It's helpful to compare your options as there are 3 ways to travel between San Diego, CA and Denver, CO including taking a bus, train, and flight.
Since neither San Diego, CA nor Denver, CO are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. 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 San Diego, CA and Denver, CO all year round.
The best events to attend in Denver, CO include:
- Denver Arts Festival, a vibrant celebration of local artists and their work featuring exhibitions, live music, and food
- Great American Beer Festival, the largest beer festival in the U.S. showcasing thousands of craft beers from across the country
- Denver Film Festival, an annual event highlighting independent films and filmmakers with screenings, panels, and special events.
The best holidays to experience in Denver, CO include:
- Memorial Day, the unofficial start of summer with vibrant outdoor activities and events
- Independence Day, spectacular fireworks and lively celebrations throughout the city
- Labor Day, pleasant weather perfect for enjoying Denver's parks and festivals.
The best season to visit Denver, CO is Spring or Fall. The best weather to explore Denver, CO is during May-September.
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 San Diego, CA to Denver, CO
San Diego
Denver
The major airport for departures in San Diego is San Diego International Airport. Find all the information you need to know about services, amenities and connections at San Diego International Airport for your trip from San Diego to Denver.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
4 km
Car connection
I-5, exit Sassafras StWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in terminals 1 and 2, including Duty-Free and Hudson News.
Parking
- Parking available, price varies.
Dining
- Restaurants in terminals 1 and 2, including fast food and sit-down options like The Counter and Phil's BBQ
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport.
Hotel
- Hotels nearby, Sheraton San Diego Hotel & Mari within walking distance.
Shower
- Showers available at the Airspace Lounge, access fee required.
Lounge
- Lounges available, including United Club and Airspace Lounge.
Lost and Found Office
- Lost and Found located in terminal 2 East, baggage claim area.
Car Rental
- Car rental services available at Rental Car Center, free shuttle from terminals
Public transit options for San Diego International Airport
- Bus Route 992, Airport Station, 4.8 km
The major airport for arrivals 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 journey to Denver from San Diego.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Distance to city center
18 kmCar connection
Peña Blvd, Exit 284Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops located in Jeppesen terminal and concourses, including Duty-Free and local brands.
Parking
- Parking available, approximately 4.7€ ($5) per hour, parkade adjacent to terminal.
Dining
- Various restaurants in Jeppesen terminal and concourses, including American and intertiol cuisine.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout the airport.
Hotel
- Westin Hotel connected to the terminal.
Shower
- Showers available at the Westin Hotel, approximately $20.
Lounge
- Multiple lounges available, including United Club and Delta Sky Club.
Lost and Found Office
- Lost and Found located in Jeppesen terminal, Level 5.
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 San Diego, CA to Denver, CO
Here are some other resources that might have the information you need
Most popular flights to and from Denver, CO and San Diego, CA
The Omio App Makes Travel Planning Easy
We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.
