Are direct flights from Kansas City to San Diego always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most economical choice. Flights with one or more stops can sometimes be significantly cheaper, depending on the route and airline.

Can flexible travel dates help on Kansas City to San Diego flights?

Yes, being flexible with your travel dates can often lead to finding more affordable flights. Prices can vary significantly between different days of the week or even within the same week. Weekday travel, for instance, may sometimes be less expensive than weekend travel.

What extra costs should I check before booking Kansas City to San Diego flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight amenities. Some airlines may also charge for printing boarding passes at the airport. These additional fees can impact the overall cost of your trip.

Flights From Kansas City

To San Diego

Cheap Flights from Kansas City to San Diego

Browse current best options from Kansas City. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Kansas City

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

Prices updated 6 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 27, 2026.)

Today’s best flight deals from Kansas City to San Diego

Explore current cheapest deals departing from Kansas City to San Diego

2026-12-07 – 2026-12-08
MKC - San Diego
81% AI deal score
$388
$177
Round trip
2026-12-07 – 2026-12-10
MKC - San Diego
81% AI deal score
$385
$178
Round trip
2026-12-08 – 2026-12-10
MKC - San Diego
81% AI deal score
$388
$178
Round trip
2026-12-08 – 2026-12-11
MKC - San Diego
81% AI deal score
$386
$178
Round trip
2026-12-07 – 2026-12-11
MKC - San Diego
80% AI deal score
$385
$178
Round trip
2026-12-09 – 2026-12-10
MKC - San Diego
81% AI deal score
$389
$178
Round trip
2026-12-09 – 2026-12-11
MKC - San Diego
81% AI deal score
$388
$178
Round trip
2027-02-19 – 2027-02-26
MKC - San Diego
77% AI deal score
$223
$181
Round trip
2026-12-09 – 2026-12-12
MKC - San Diego
86% AI deal score
$386
$183
Round trip
2026-12-12 – 2026-12-15
MKC - San Diego
86% AI deal score
$384
$183
Round trip

Kansas City to San Diego: Overview

Insights for flights from Kansas City to San Diego

For cheap flights from Kansas City to San Diego, the most affordable time to fly is typically February, with a median fare of just $177. Other cost-effective months include December, where the median fare is $299, and January, with a median fare of $317. Planning your trip around these months can lead to significant savings.

Fares for this route typically range from $335–$775, with a median of $457. Right now, fares are significantly below the typical level, presenting a favorable opportunity for travelers. However, only 2% of recent fares were classified as a good price, indicating that exceptional deals are not common.

Most itineraries for flights from Kansas City to San Diego connect at least once, as 0% of recent fares were non-stop. When connections are necessary, the typical number of stopovers is 2. This means you should expect a journey with at least one layover.

A typical journey from Kansas City to San Diego takes approximately 7h 28m, including connections. This duration accounts for the fact that most itineraries involve at least one stopover. Given the absence of direct flights, this travel time reflects the reality of connecting routes.

The distance between Kansas City and San Diego is 2142 kilometers, classifying this as a medium-haul route. This distance typically involves a flight duration that is neither very short nor extremely long, often requiring a few hours in the air.

How much is a round trip from Kansas City to San Diego

Regular price: $289 - $424

Prices for flights from Kansas City to San Diego are currently below the regular range.

The regular price range for flights from Kansas City to San Diego is between $289 and $424. The current lowest deal is $157 with Frontier Airlines for travel from Dec 12-Dec 14.

now $157

Low $289

High $424

The cheapest time to fly from Kansas City to San Diego

February is the cheapest month to fly from MKC to SAN, with a median price of $177. The most expensive month is August, with a median price of $991. Prices are generally lower from January to December.

February

Cheapest

Flights from $177

August

Most Expensive

Flights from $991

Jan

Feb

Mar

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Kansas City to San Diego

Alaska Airlines, Inc.

Frontier Airlines

Last-minute flights going from Kansas City to San Diego

Tue, Nov 10

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$240

$168

One-way

Tue, Nov 10

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$212

$245

One-way

Wed, Nov 11

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$272

$211

One-way

Wed, Nov 11

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$271

$314

One-way

Mon, Nov 16

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$207

$199

One-way

Mon, Nov 16

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$207

$199

One-way

Biggest price drops on these dates for flights from Kansas City to San Diego

1 night

Dec 8 - Dec 9

$387 → $181

53%

1 night

Dec 7 - Dec 8

$387 → $181

53%

2 nights

Dec 7 - Dec 9

$387 → $181

53%

5 nights

Dec 2 - Dec 7

$378 → $182

52%

Popular Airports to fly from Kansas City to San Diego

Kansas City - San Diego route insights

💸 Price insights

Recent fares are below the typical level at $157.

Recent fares are below the typical level, with 2% of recent deals considered good.

📅 Best time to fly

February is historically the cheapest month to fly at $177.

Historically, February is the cheapest month to fly, followed by December and January.

⏱️ Flight duration

Connecting flights typically take 7h 28m.

Connecting flights from Kansas City to San Diego typically take 7h 28m.

✈️ Airlines & availability

Connecting flights are dominant, with 0% direct options.

Connecting flights are dominant, with 0% direct options available for this route historically.

🏆 Airline highlight

Frontier Airlines offers the most deals on this route.

Frontier Airlines has 95 deals, more than any other airline for this route.

🎯 Booking tip

Deals on this route are rare.

Deals on flights from Kansas City to San Diego are historically rare.

Kansas City main airports to depart from

Kansas City International (MCI)

Cheapest

Kansas City International Airport offers flights to San Diego, providing a convenient departure option.

📍 ~25 km from Kansas City (reachable by car)

💸 Flights from ~$263

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival option for flights from Kansas City to San Diego.

📍 ~3 km from city center (reachable by car)

💸 Flights from ~$175

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a useful alternative for travelers heading to Mexico, offering direct access via the Cross Border Xpress (CBX) terminal.

📍 ~30 km from San Diego (reachable by car via CBX)

💸 Flights from ~$543

Business & First Class Flight Deals to San Diego

Discover luxury on the budget with premium cabin class on flights from Kansas City to San Diego.

Elite

Best Elite deals to San Diego

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From MCI

Elite

Jan 13

San Diego, United States

46% AI deal score

$1,529

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to San Diego

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you compare options across various airlines. Looking into flights during the off-peak season may also lead to better deals.

Booking flights in advance, often several weeks or months before your intended travel date, can sometimes result in lower prices. However, prices can fluctuate, so it's often beneficial to monitor fares over time. Mid-week bookings may also offer different pricing.

Comparing nearby airports at both your origin and destination can sometimes uncover more affordable flight options. While it may add to travel time, the potential savings on airfare can be significant. Always factor in ground transportation costs and convenience when considering this option.

Related routes

More routes from Kansas City

Flights from Kansas City to Amsterdam Flights from Kansas City to Athens Flights from Kansas City to Salt Lake City Flights from Kansas City to San Antonio Flights from Kansas City to San Francisco Flights from Kansas City to Seattle Flights from Kansas City to Seoul Flights from Kansas City to Tokyo Flights from Kansas City to Venice Flights from Kansas City to Vienna Flights from Kansas City to Washington, D.C.Flights from Kansas City to Zürich

Flights to San Diego from other cities

Flights from Milwaukee to San Diego Flights from Minneapolis to San Diego Flights from New York to San Diego Flights from Norfolk to San Diego Flights from Oakland to San Diego Flights from Orlando to San Diego Flights from Paris to San Diego Flights from Philadelphia to San Diego Flights from Phoenix to San Diego Flights from Pittsburgh to San Diego Flights from Portland to San Diego Flights from Providence to San Diego

Kansas City to San Diego: Overview

Insights for flights from Kansas City to San Diego

How much is a round trip from Kansas City to San Diego

Regular price: $289 - $424

Prices for flights from Kansas City to San Diego are currently below the regular range.

The regular price range for flights from Kansas City to San Diego is between $289 and $424. The current lowest deal is $157 with Frontier Airlines for travel from Dec 12-Dec 14.

now $157

Low $289

High $424

The cheapest time to fly from Kansas City to San Diego

February

Cheapest

Flights from $177

August

Most Expensive

Flights from $991

Jan

Feb

Mar

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Kansas City to San Diego

Alaska Airlines, Inc.

Frontier Airlines

Last-minute flights going from Kansas City to San Diego

Tue, Nov 10

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$240

$168

One-way

Tue, Nov 10

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$212

$245

One-way

Wed, Nov 11

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$272

$211

One-way

Wed, Nov 11

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$271

$314

One-way

Mon, Nov 16

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$207

$199

One-way

Mon, Nov 16

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$207

$199

One-way

Biggest price drops on these dates for flights from Kansas City to San Diego

1 night

Dec 8 - Dec 9

$387 → $181

53%

1 night

Dec 7 - Dec 8

$387 → $181

53%

2 nights

Dec 7 - Dec 9

$387 → $181

53%

5 nights

Dec 2 - Dec 7

$378 → $182

52%

Popular Airports to fly from Kansas City to San Diego