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

Direct flights offer convenience and save travel time, but they are not always the most budget-friendly choice. Flights with one or more layovers can often be less expensive. Consider your priorities for cost versus travel duration when making your decision.

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

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons usually offers more affordable fares than traveling on weekends or during popular holidays. Even shifting your departure or return by a day or two may result in savings.

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 services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Kansas City

To San Diego

Cheap Flights from Kansas City to San Diego

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Deals from

Kansas City

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

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

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

Explore current cheapest deals departing from Kansas City to San Diego

2026-09-14 – 2026-09-16
MKC - San Diego
84% AI deal score
$375
$166
Round trip
2026-10-06 – 2026-10-14
MKC - San Diego
82% AI deal score
$237
$166
Round trip
2026-10-07 – 2026-10-14
MKC - San Diego
83% AI deal score
$247
$166
Round trip
2026-10-13 – 2026-10-21
MKC - San Diego
83% AI deal score
$242
$166
Round trip
2026-10-14 – 2026-10-21
MKC - San Diego
84% AI deal score
$250
$166
Round trip
2026-10-17 – 2026-10-24
MKC - San Diego
84% AI deal score
$255
$166
Round trip
2026-10-20 – 2026-10-27
MKC - San Diego
84% AI deal score
$257
$166
Round trip
2026-10-20 – 2026-10-28
MKC - San Diego
83% AI deal score
$248
$166
Round trip
2026-10-21 – 2026-10-28
MKC - San Diego
84% AI deal score
$257
$166
Round trip
2026-10-07 – 2026-10-13
MKC - San Diego
83% AI deal score
$247
$166
Round trip

Kansas City to San Diego: Overview

Insights for flights from Kansas City to San Diego

For travelers looking for cheap flights from Kansas City to San Diego, prices right now typically range from $277–$713, with a median of $388. Current fares are above the typical level for this route. Only 4% of recent fares were classified as a good price, indicating that finding a low fare may require some flexibility.

When is the cheapest time to fly from Kansas City to San Diego? The data indicates that January is typically the most affordable month, with a median fare of $139. Other relatively inexpensive months include February, with a median of $225, and July, with a median of $249. These months offer better value compared to the overall median.

Most itineraries for flights from Kansas City to San Diego require connections, as 0% of recent fares were for direct flights. When connections are necessary, the typical number of stopovers is 2.

How long is the flight from Kansas City to San Diego? A typical journey, including connections, takes about 6h 12m. This duration reflects the common need for at least one stopover on this route.

The distance between Kansas City and San Diego is approximately 2142 kilometers. This classifies the route as a medium-haul journey.

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

Regular price: $286 - $392

Prices are currently below the regular range.

The regular price range for flights from Kansas City to San Diego is typically between $286 and $392. The current lowest deal is $165 with Alaska Airlines, Inc. for travel from September 14 to September 16.

now $165

Low $286

High $392

The cheapest time to fly from Kansas City to San Diego

The cheapest month to fly from MKC to SAN is January, with a median price of $139. The most expensive month is July, with a median price of $991. Prices are generally lower from January to November.

January

Cheapest

Flights from $139

July

Most Expensive

Flights from $991

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Kansas City to San Diego

Southwest Airlines

Last-minute flights going from Kansas City to San Diego

Thu, Aug 13

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$273

$221

One-way

Mon, Aug 17

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$296

$227

One-way

Fri, Aug 21

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Alaska Airlines, Inc.

$289

$195

One-way

Sat, Aug 22

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$288

$194

One-way

Mon, Aug 24

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Alaska Airlines, Inc.

$270

$180

One-way

Fri, Aug 28

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Alaska Airlines, Inc.

$281

$191

One-way

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

2 nights

Sep 14 - Sep 16

$374 → $165

56%

6 nights

Sep 23 - Sep 29

$360 → $166

54%

1 night

Sep 17 - Sep 18

$374 → $191

49%

3 nights

Sep 11 - Sep 14

$372 → $191

49%

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

Recent fares from Kansas City to San Diego are below the typical level at $165.

📅 Best time to fly

January is historically cheapest at $139

Historically, January is the cheapest month to fly from Kansas City to San Diego, at $139.

⏱️ Flight duration

Connecting flights average 6h 12m

Connecting flights from Kansas City to San Diego typically average 6h 12m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant for this route, with a median of 2 stopovers.

🏆 Airline highlight

Southwest Airlines offers direct flights

Southwest Airlines is one of the carriers offering direct flights on this route.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from Kansas City to San Diego are frequent, appearing often.

Kansas City main airports to depart from

Kansas City International (MCI)

Cheapest

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

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

💸 Flights from ~$178

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.

📍 ~5 km from San Diego city center (reachable by car)

💸 Flights from ~$178

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International can be a useful alternative for Mexico-bound travelers due to its proximity and CBX access.

📍 ~20 km from San Diego (reachable by car)

💸 Flights from ~$436

Business & First Class Flight Deals to San Diego

83% AI deal score

$1,368

$827

Save $541

Frequently Asked Questions About Flights to San Diego

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Looking into flights with layovers may also present lower-cost options than direct routes.

Booking flights in advance, often several months out, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different pricing compared to weekend bookings.

Comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it may add to your ground travel time, the savings on airfare can sometimes be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

Related routes

More routes from Kansas City

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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

Most itineraries for flights from Kansas City to San Diego require connections, as 0% of recent fares were for direct flights. When connections are necessary, the typical number of stopovers is 2.

How long is the flight from Kansas City to San Diego? A typical journey, including connections, takes about 6h 12m. This duration reflects the common need for at least one stopover on this route.

The distance between Kansas City and San Diego is approximately 2142 kilometers. This classifies the route as a medium-haul journey.

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

Regular price: $286 - $392

Prices are currently below the regular range.

now $165

Low $286

High $392

The cheapest time to fly from Kansas City to San Diego

The cheapest month to fly from MKC to SAN is January, with a median price of $139. The most expensive month is July, with a median price of $991. Prices are generally lower from January to November.

January

Cheapest

Flights from $139

July

Most Expensive

Flights from $991

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Kansas City to San Diego

Southwest Airlines

Last-minute flights going from Kansas City to San Diego

Thu, Aug 13

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$273

$221

One-way

Mon, Aug 17

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$296

$227

One-way

Fri, Aug 21

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Alaska Airlines, Inc.

$289

$195

One-way

Sat, Aug 22

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$288

$194

One-way

Mon, Aug 24

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Alaska Airlines, Inc.

$270

$180

One-way

Fri, Aug 28

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Alaska Airlines, Inc.

$281

$191

One-way

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

2 nights

Sep 14 - Sep 16

$374 → $165

56%

6 nights

Sep 23 - Sep 29

$360 → $166

54%

1 night

Sep 17 - Sep 18

$374 → $191

49%

3 nights

Sep 11 - Sep 14

$372 → $191

49%

Popular Airports to fly from Kansas City to San Diego