DEN - SAN

$62 Find Cheap Flights from Denver to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to San Diego departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to San Diego, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to San Diego, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Denver to San Diego

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Denver to San Diego

KAYAK's recommended round-trip deals from the most popular airlines that fly from Denver to San Diego.
Discover the best prices for you by selecting your travel dates on KAYAK.
Frontier Logo
8:22 am - 9:55 amDEN-SAN
2h 33mnonstop
Frontier Logo
6:18 pm - 9:55 pmSAN-DEN
2h 37mnonstop
$124Frontier
Find Deal
Sat, May 31 - Sat, May 31
Frontier Logo
9:18 am - 10:50 amDEN-SAN
2h 32mnonstop
Frontier Logo
11:47 am - 3:26 pmSAN-DEN
2h 39mnonstop
$125Frontier
Find Deal
Wed, May 28 - Tue, Jun 3
United Airlines Logo
7:45 am - 9:09 amDEN-SAN
2h 24mnonstop
United Airlines Logo
5:50 pm - 12:28 amSAN-DEN
5h 38m1 stop
$203United Airlines
Find Deal
Mon, Oct 6 - Thu, Oct 16
United Airlines Logo
1:33 pm - 2:57 pmDEN-SAN
2h 24mnonstop
United Airlines Logo
4:05 pm - 7:32 pmSAN-DEN
2h 27mnonstop
$210United Airlines
Find Deal
Thu, May 22 - Sun, May 25
Delta Logo
5:30 am - 8:42 amDEN-SAN
4h 12m1 stop
Delta Logo
6:15 am - 11:58 amSAN-DEN
4h 43m1 stop
$217Delta
Find Deal
Sat, Jun 7 - Tue, Jun 10
Southwest Logo
6:25 am - 7:50 amDEN-SAN
2h 25mnonstop
Southwest Logo
4:05 pm - 7:30 pmSAN-DEN
2h 25mnonstop
$230Southwest
Find Deal
Tue, May 27 - Thu, Jun 5
Delta Logo
12:50 pm - 3:59 pmDEN-SAN
4h 09m1 stop
Delta Logo
1:28 pm - 7:28 pmSAN-DEN
5h 00m1 stop
$237Delta
Find Deal
Thu, Jun 12 - Sat, Jun 14
Southwest Logo
10:40 am - 5:40 pmDEN-SAN
8h 00m2 stops
Southwest Logo
7:00 am - 12:35 pmSAN-DEN
4h 35m1 stop
$258Southwest
Find Deal
Wed, Oct 15 - Sat, Oct 18
American Airlines Logo
6:59 pm - 9:48 pmDEN-SAN
3h 49m1 stop
American Airlines Logo
9:38 pm - 2:30 amSAN-DEN
3h 52m1 stop
$270American Airlines
Find Deal
Thu, Jul 3 - Sun, Jul 6
American Airlines Logo
6:59 pm - 9:48 pmDEN-SAN
3h 49m1 stop
American Airlines Logo
4:24 pm - 9:42 pmSAN-DEN
4h 18m1 stop
$282American Airlines
Find Deal
Thu, Jun 19 - Mon, Jun 23
Expert advice

Expert advice for your flight from Denver to San Diego

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Frontier

Frontier's Economy Bundle includes a carry-on and seat choice, ideal for budget travelers.


Frontier's Premium Bundle offers extra legroom and priority boarding for just $20 more.

Read more about Frontierby Stefanie Waldek
United Airlines

United's Economy Plus seats offer up to six inches more legroom, enhancing comfort.


United offers free messaging on most flights, with Wi-Fi available for purchase.

Airports
DEN

Use the DEN Reserve program for expedited security. Reserve slots online up to 3 days in advance for times between 5 a.m. and 5 p.m.

Read more about DENby Harriet Baskas
SAN

Take the Route 992 bus from SAN to Downtown San Diego. It runs every 15 minutes from 5 a.m. to midnight and is a cost-effective option.

Read more about SANby Brandon Schultz
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and United Airlines

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Brandon Schultz

Brandon Schultz

Expert on SAN

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Useful Info

KAYAK's insights & trends for Denver to San Diego flights

Get data-powered insights and trends into flights from Denver to San Diego to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to San Diego
Find cheap flights to San Diego

Planning a trip from Denver to San Diego? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from Denver to San Diego?

The average price of all round-trip flights from Denver to San Diego clicked on KAYAK for each day over the last 12 months.

When flying from Denver to San Diego, you should consider leaving on a Saturday and avoid Sundays if you are looking for the best rates. For your return to Denver, you’ll find the best rates on Saturdays and the most expensive ones on Sundays.

What is the cheapest month to fly from Denver to San Diego?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to San Diego, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to San Diego is May, where tickets cost $140 (return) on average. On the other hand, the most expensive months are March and November, where the average cost of round-trip tickets is $232 and $218 respectively.

How far in advance should I book a flight from Denver to San Diego?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to San Diego, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to San Diego, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$62
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Denver to San Diego

When to book flights from Denver to San Diego

Are your dates flexible? Find out the best times to travel from Denver to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Denver to San Diego

  • Does San Diego International Airport have lactation rooms?

    You can use three lactation rooms located post-security at Terminal 1 West Rotunda, second level, near the elevator. There’s also a room at Terminal 1 East Rotunda on the ground level after the security checkpoint. In Terminal 2, the lactation room is on the second level close to Gate 34-35. The rooms are fitted with a hand washing station, comfortable seating, artwork, electrical outlets, soft lighting, and a children’s seat.

  • Are there nonstop flights from Denver to San Diego?

    Different airlines, including United Airlines and Frontier, fly nonstop from Denver International Airport to San Diego International Airport. Frontier also flies through the McCarran International Airport (LAS), but the flight could take longer. Book through KAYAK for details on different flights if you want to find the shortest route.

  • Can I travel with my pet through Denver International Airport?

    Yes, the Denver International Airport allows pets. To help you manage your pet, the airport offers a pet relief area in each concourse. There’s also one at the Jeppesen Terminal. The relief rooms are located post-security in the cores of A, B, and C Gates. All pet relief rooms have artificial turf flooring and a drainage system. There are disposal containers and bags.

  • Does San Diego International Airport offer services for disabled passengers?

    Travelers who need special assistance can contact their airlines prior to the trip to request assistance. At the San Diego International Airport, all terminals are wheelchair accessible. You can find an accessible shuttle, and if you need help, there are telephones at the airport’s reservation boards.

  • Is there complimentary Wi-Fi at San Diego International Airport?

    Wi-Fi at the San Diego International Airport is available in 2h sessions. If you want to connect quickly, enable your device's wireless connection and search for #SANfreewifi, then connect. To use the service longer, you just need to log back in when the session expires.

  • Where can I park at Denver International Airport (DEN)?

    Denver Airport (DEN) offers several options for parking. The Garage East Parking and Garage West Parking garages are located on either side of the main terminal. Next to these garages you’ll find the Economy East and Economy West parking lots, which are connected to the main terminal by pedestrian walkways and the airport’s free shuttle service. Two satellite shuttle lots (Mt. Elbert and Pikes Peak) offer a very low parking rate and free shuttle service to the airport. You should allow at least 30 minutes to reach the terminal from these lots.

  • Can I take the commuter train to Denver International Airport (DEN)?

    Yes, Denver’s A Line commuter rail service runs between Denver Union Station in Downtown Denver to the airport. The trip takes just under 40min, and you’ll arrive at the airport’s train station in the DEN Transit Center, which is a short walk from the terminal.

  • Can I stay at an on-site hotel before my early-morning departure from Denver Airport (DEN)?

    Yes, the Westin Denver International Airport is DEN’s only on-site hotel. It is located above the Transit Center, making for an easy walk to the Jeppesen Terminal. Hotel amenities include valet parking and a cocktail bar that serves snacks and light meals.

  • What lounges are available at Denver International Airport (DEN)?

    There are six airline lounges at Denver International Airport. The American Airlines Admirals Club, British Airways Executive Club, and Delta Sky Club are all located in the Gate A concourse, and United has three lounges (Club East, Club West, and Club Fly) in the Gate B concourse. In addition to the airline lounges, select American Express cardholders can relax in the Centurion Lounge in the Gate C concourse while US service members and their families can enjoy some time before their flight at the USO Denver, located just over the bridge to Gate A from the main terminal.

  • Where is the car rental center at San Diego Airport (SAN)?

    At San Diego International Airport (SAN), all of the car rental counters are located off-site in the Consolidated Rental Car Center. This center is connected to the airport by the free shuttle bus service. The rental car lot is next to the Rental Car Center.

  • Can I take a bus into the city from San Diego International Airport (SAN)?

    Yes, the #992 buses of San Diego’s Metropolitan Transit System pick up passengers at both of SAN’s terminals and make regular trips to Broadway and State Street in Downtown San Diego. The trip downtown takes less than 20min.

  • What is the cheapest flight from Denver to San Diego?

    In the last 3 days, the lowest price for a flight from Denver to San Diego was $62 for a one-way ticket and $124 for a round-trip.

  • Do I need a passport to fly between Denver and San Diego?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Denver to San Diego?

    Denver and San Diego are both served by 1 main airport. You will leave Denver from Denver Intl and will be arriving at San Diego.

  • Which airlines offer Wi-Fi service onboard planes from Denver to San Diego?

    Delta, American Airlines, and Alaska Airlines offer inflight Wi-Fi service on the Denver to San Diego flight route.

  • Which aircraft models fly most regularly from Denver to San Diego?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Denver to San Diego flight route.

  • Which airline alliances offer flights from Denver to San Diego?

    Star Alliance is the only airline alliance operating flights between Denver and San Diego.

  • On which days can I fly direct from Denver to San Diego?

    There are nonstop flights from Denver to San Diego on a daily basis.

  • Which is the best airline for flights from Denver to San Diego, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Denver to San Diego are Southwest and Delta. With an average price for the route of $272 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $317 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Denver to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Denver with another airline. Booking your flights between Denver and SAN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Denver to San Diego

  • Looking for a cheap flight? 25% of our users found flights on this route for $103 or less one-way and $165 or less round-trip.
  • If you’re in the Front Range Urban Corridor or metropolitan Denver, you can use the Denver International Airport (DEN) to fly to San Diego, California.
  • At Denver International Airport, you can visit several restaurants, including Chick-fil-A at the B Gates Center Core, Ben & Jerry’s Ice Cream at A Gates Center Core, and Dazbog Coffee at C Gates near C47.
  • You can use free Wi-Fi at Denver International Airport. To connect, enable your wireless and locate “DEN Airport Free WiFi.”
  • There’s an Interfaith Chapel and Prayer Hall at the Denver International Airport in the Jeppesen Terminal, Level 6. It’s open 24h a day. You can join a Catholic Mass on Sundays at 1pm.
  • Fights from the Denver International Airport to San Diego land at the San Diego International Airport (SAN), which offers access to downtown San Diego and nearby areas.
  • For quick snacks, the San Diego International Airport offers vending machines located at Terminal 1 in the parking lot under the pedestrian bridge. Others are in Terminal 2 at the Parking Plaza in the lower level near the elevator cores.
  • For shoeshine services at San Diego International Airport, you can access the service at Terminal 2 East near Gate 23 or Terminal 2 West at the North Concourse. The shoeshine service is also available at Terminal 1 above the rotunda escalator.
  • Passengers can use luggage carts provided by Smarte Carte, which cost about $5 per cart. If you’re arriving in the International Arrivals area, the carts are free.
  • Denver International Airport (DEN) is located about 25 miles northeast of Denver’s city center. It is the only international airport in the greater Denver area, and it’s a hub for Frontier Airlines, Southwest Airlines, and United Airlines.
  • Denver Airport (DEN) has one main terminal, the Jeppesen Terminal, plus three concourses, called Gates A, B, and C. Passengers can walk between the terminal and Gate A, but you must take the airport’s automated people-mover train to access Gates B and C.
  • Located less than 5 miles northwest of Downtown San Diego, San Diego International Airport (SAN) is a focus city for both Alaska Airlines and Southwest Airlines.

Prefer to fly direct from Denver to San Diego?

Find which airlines fly direct from Denver Intl Airport to San Diego Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to San Diego

Monday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Tuesday

Air Canada, Frontier, Lufthansa, +2 more

Air Canada, Frontier, +3 more

Wednesday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Thursday

Air Canada, Copa Airlines, Frontier, +3 more

Air Canada, Copa Airlines, +4 more

Friday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Saturday

Air Canada, Copa Airlines, Frontier, +3 more

Air Canada, Copa Airlines, +4 more

Sunday

Air Canada, Frontier, Lufthansa, +4 more

Air Canada, Frontier, +5 more

See more direct flights

Direct returns

San Diego to Denver Intl

Monday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Tuesday

Air Canada, Frontier, Lufthansa, +2 more

Air Canada, Frontier, +3 more

Wednesday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Thursday

Air Canada, Copa Airlines, Frontier, +3 more

Air Canada, Copa Airlines, +4 more

Friday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

Saturday

Air Canada, Copa Airlines, Frontier, +3 more

Air Canada, Copa Airlines, +4 more

Sunday

Air Canada, Copa Airlines, Frontier, +4 more

Air Canada, Copa Airlines, +5 more

See more direct flights
See more direct flights

Top 5 airlines serving from Denver to San Diego

 
See real verified KAYAK customer reviews for airlines flying from Denver to San Diego. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Denver to San Diego? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4294 reviews
7.6Entertainment
8.2Boarding
8.0Comfort
8.6Crew
7.1Food
Airline reviews

I would have liked to arrive on time - not 5 hours late!

4.0 OkayAnonymous, Apr 2025DEN - SEA
Read more Southwest reviews

I would have liked to arrive on time - not 5 hours late!

It was a perfect flight in all aspects! Both legs!

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

1.5 hour delay, poor service, no compassion from the crew. Terrible experience

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

Great experience flying Southwest. The crew was really kind and helpful, and very friendly with our toddler.

Our flight was diverted from being a non-stop to getting within 150 miles and requiring another plane. We heard 4 or 5 different versions from SW as to why we had to stop, then wait for a replacement plane. Five hour delay, weather did not come up as a single excuse.... communication was not clear and well explained. No one really took charge!

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

I really like open seating. I hate that I've heard this is going away. This is one of the unique things that makes Southwest my goto choice.

Fine, but how to board on SW versus othrr airlines, is just lame. Goood staff though and all was solid otherwise.

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

Flights on time. .Ride was as comfortable as can be expected in steerage. Luggage arrived at destination. Attendants were fairly friendly.

Seats are much much more comfortable than United, which is what I usually fly

If I pay extra for "comfort+" I expect leg room where I can stretch my legs. I was seated with an attendant's seat blocking my feet. Knee space was fine but my feet had less room than the non-"comfort+" seats. Also, don't go cheap on food when you have flights of 3+ hours. It's insulting.

Only one side of the heafphone jack work. Crew was friendly and helpful.

Great. Flight departed early and arrived early. Deplaning and baggage claim ww were quick.

They separated our seats and moved us to the back of the plane. Hundreds of dollars and thousands of miles used and this was my platinum member experience.

AC barely worked on a 50 minute flight. It was very warm the whole flight. Flight was very bumpy and hard landing.

Got on the plane and then needed to deboard the plane because they didn’t have any pilots?

The flight was canceled two hours before departure, it took over five hours to rebook us on another flight.

Electric plugs didn't work. Entertainment system wasn't working

The design of the light switch on the arm rest is ridiculous.

The gate attendant let me walk right by her with a bag too big for the overhead compartment

Overall, it was a good experience. Boarding was good and there was plenty of overhead bin space for everyone’s carryons (even when we boarded toward the end). Only improvement would be to offer trash service more regularly.

David went above and beyond to make our flight the best that it could be

Was a pain having to leave the plane and reboard but glad the plane was fixed

No food service almost missed because of first flight delays

Had a hard time finding my assigned seat. No attendants to assist.

The negative was the wait at the airport coming back. I checked my bags in, an hour before boarding and I get the notification that my flight was delayed. Rather had gotten the notification while I was at the hotel. Then it was delayed 3 x’s. Ugh!

Plane still had screens for watching movies. Good selection too.

Any sort of gluten free snack option would be nice

One bottle of water and a package of cookies for comfort plus. We had to literally beg a flight attendant for an extra bottle of water later in the flight due to feeling dehydrated.

Flight boarded from Gate 39 at OGG, the farthest gate in the terminal. There were no Hawaiian themed amenities for the flight. The first class service was mediocre at best; I received not special welcome or recognition as an executive platinum member of American Advantage program. The flight attendants were more concerned with their cell phones than saying "thank you" to the passengers as we disembarked. Fortunately, the flight arrived at LAX a few minutes early.

Bigger seats. Board back to front! Disembark front to back!

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

Crew was late. Baggage was late. 2hs inside the plane waiting fro de-icing and traffic. A 3:30hs flight ended up being almost 6hs inside the airplane.

This flight didn’t happen because AA agents didn’t let us board the flight

Plane was pretty clean, staff was friendly and helpful, flight left about on time arrived early. Took a long time to board and get off the plane - carry on items didn't have enough room so people had to move all around to find places.

The service and food needs to improve to catch up with other international flights

Would have been good to have a meal since it was a 5.5 hour flight

Everything went as planned. Crew was great. Seats were still not that comfortable.

they delayed my flight which ended up, causing my layover flight to leave without me, resulting in me missing a flight and having to stay overnight in Houston international. I got no compensation other than a flight to my original location only a day later. i’ve never experienced such a unprofessional situation

The seats were extremely hard and uncomfortable, even for a budget airline.

Boarding was very well executed. Got my bag right away.

Overall experience good. There was no food and seats were not terribly comfortable.

There was nothing to like, flight delayed had to move to different departure areas, disorganized to say the leasr

I went to the Frontier counter in San Jose at 1030am or so on Sunday 10/13/24 to see if I could get an earlier flight to San Diego in lieu of my reserved 630pm flight. One thing led to another, and I was able to obtain an open seat for about $ 56. on the earlier flight. Fine. Then the agent asked if I "was checking a bag". Not knowing that carry-ons cost extra per Frontier policy, I thought that she meant a regular checked bag. Therefore, I said no. Once I got to the gate, the same gate agent who sold me a ticket told me that I had to pay $99 for a carry-on, and that all bags were extra on Frontier. Having never flown on Frontier, I was not aware of this. Part of the issue was that she was not a native English speaker, so there was a miscommunication as to what "bag" meant. I would have preferred for her to have clearly let me know at the front counter that any bag including a carry-on cost $99. It would have had the same outcome, as I had to take my carry-on. But it got hectic at the last minute at the gate itself. The baggage policy should have mentioned "including carry-ons" when we first spoke.

There were a lot of issues every step of the process. Check in, security, boarding, and dealing with luggage. Plus the money you think you are saving you end up using in hidden fees.

The flight attendant was arguing with a passenger before takeoff. The passenger was frustrated but the flight attendant should have handled it with grace, but instead she was nasty and rude. The seats were comfortable and the flight was uneventful. I wish we didn’t have to pay for drinks or snacks but that’s what you get with a budget airline.

Literally everything could have been better. Why are the planes always late?

Everything you need to know for your flight from Denver to San Diego

Other airlines flying from Denver to San Diego

Flights from the other most popular airlines that fly from Denver to San Diego according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

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