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 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

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

Explore current cheapest deals departing from Kansas City to San Diego

Round trip

Sort by: Cheapest

July 27 - August 5

Cheapest

MCI - San Diego

$254

$178

Round trip

August 3 - August 5

Cheapest

Best

MCI - San Diego

$280

$178

Round trip

July 20 - August 5

Cheapest

Earliest

MCI - San Diego

$240

$178

Round trip

July 20 - August 12

Cheapest

Earliest

MCI - San Diego

$240

$178

Round trip

July 27 - July 29

Cheapest

MCI - San Diego

$268

$178

Round trip

August 10 - August 12

Cheapest

Best

MCI - San Diego

$282

$178

Round trip

July 20 - July 29

Cheapest

Earliest

MCI - San Diego

$255

$178

Round trip

July 27 - August 12

Cheapest

MCI - San Diego

$240

$178

Round trip

August 3 - August 12

Cheapest

MCI - San Diego

$246

$178

Round trip

July 20 - July 23

Earliest

MCI - San Diego

$271

$179

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Kansas City to San Diego

For cheap flights from Kansas City to San Diego, the most affordable month to fly is January, with a median fare of $139. Other budget-friendly options include February, where the median fare is $225, and July, with a median fare of $249. Planning your trip around these months can lead to significant savings.

Fares for flights from Kansas City to San Diego typically range from $277–$546, with a median of $343. Right now, current fares are significantly 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 flexibility. New deals appear almost daily for this route, so setting up a price alert can be beneficial.

When flying from Kansas City to San Diego, most itineraries connect at least once, as 0% of recent fares were for direct flights. For connecting itineraries, the typical number of stopovers is 2. This means you should anticipate at least one stop on your journey.

A typical journey from Kansas City to San Diego, including connections, takes approximately 16h 32m. This duration accounts for the fact that most itineraries involve at least one stopover, making the total travel time considerably longer than a direct flight would be.

The distance between Kansas City and San Diego is approximately 2142 kilometers. This classifies the route as a medium-haul journey, meaning it's too far for a short hop but not a long-distance international flight.

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

Regular price: $209 - $368

Prices are currently below the regular range.

The regular price range for flights from Kansas City International to San Diego International is $209 to $368. The current lowest deal is $178 with Frontier Airlines, for travel from Jul 20-Aug 12.

now $178

Low $209

High $368

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 June, with a median price of $949. Prices are generally lower from January to November.

January

Cheapest

Flights from $139

June

Most Expensive

Flights from $949

Jan

Feb

Mar

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

Fri, Jun 19

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

American Airlines

$608

$498

One-way

Wed, Jun 24

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

American Airlines

$480

$389

One-way

Mon, Jun 29

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

United Airlines

$490

$367

One-way

Tue, Jun 30

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

United Airlines

$484

$367

One-way

Wed, Jul 1

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Southwest Airlines

$285

$276

One-way

Thu, Jul 2

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

United Airlines

$305

$276

One-way

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

3 nights

Dec 8 - Dec 11

$454 → $236

48%

4 nights

Dec 7 - Dec 11

$454 → $261

42%

5 nights

Dec 6 - Dec 11

$451 → $261

42%

4 nights

Dec 10 - Dec 14

$454 → $272

40%

Popular Airports to fly from Kansas City to San Diego

Kansas City - San Diego route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from Kansas City to San Diego are above the typical level, with a median price of $343.

📅 Best time to fly

January is historically the cheapest month to fly.

Historically, January is the cheapest month to fly from Kansas City to San Diego, with a median price of $139.

⏱️ Flight duration

Connecting flights take 16h 32m on average.

The typical flight duration from Kansas City to San Diego is 16h 32m, with 2 stopovers.

✈️ Airlines & availability

No direct flights available.

There are no direct flights from Kansas City to San Diego; all routes include at least one stopover.

🏆 Airline highlight

Frontier Airlines offers a recent deal for $178.

A recent deal from Frontier Airlines to San Diego was found for $178.

🎯 Booking tip

Deals are frequent, appearing daily.

Deals for flights from Kansas City to San Diego are frequent, with over one deal per day.

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

McClellan–Palomar (CLD)

McClellan–Palomar Airport offers an alternative arrival point for flights from Kansas City to San Diego.

📍 ~50 km from San Diego city center (reachable by car)

💸 Flights from ~$363

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

This airport is a useful alternative for Mexico-bound travel, with direct access via the Cross Border Xpress (CBX) terminal.

📍 ~25 km from San Diego (requires international border crossing)

💸 Flights from ~$456

John Wayne (SNA)

This airport is a close major US domestic alternative, offering a strong domestic network with many major carriers.

📍 ~135 km from San Diego

💸 Flights from ~$199

Los Angeles International (LAX)

Cheapest

This airport is a primary global hub with extensive international and domestic route options, often with competitive pricing.

📍 ~180 km from San Diego

💸 Flights from ~$178

Ontario International (ONT)

This airport is a reliable domestic alternative with growing service, often less congested than LAX or SNA.

📍 ~180 km from San Diego

💸 Flights from ~$188

Long Beach (LGB)

This airport is very easy to navigate with fast security processing, and a good alternative for specific West Coast routes.

📍 ~155 km from San Diego

💸 Flights from ~$304

Business & First Class Flight Deals to San Diego

67% AI deal score

$1,104

From MCI

Elite

Jul 18

San Diego, United States

67% AI deal score

$1,125

$1,124

Save $1

From MCI

Elite

Jul 10

San Diego, United States

66% AI deal score

$1,199

From MCI

Elite

Jul 16

San Diego, United States

65% AI deal score

$1,199

From MCI

Elite

Jul 26

San Diego, United States

46% AI deal score

$1,306

From MCI

Elite

Jun 17

San Diego, United States

43% AI deal score

$3,106

From MCI

Elite

Jul 05

San Diego, United States

42% AI deal score

$2,019

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. Setting up price alerts may also notify you when fares drop for your desired route.

Booking flights in advance, often several weeks or months before your departure, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares is usually a good strategy. Mid-week bookings may also offer different pricing compared to weekends.

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 potential savings on airfare can be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

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