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, connecting flights can sometimes be more affordable, especially if you are willing to accept a longer journey. Evaluate your priorities between cost savings and travel efficiency.

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

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly depending on the day of the week or time of year. Adjusting your departure or return by a few days may unlock better deals.

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. Being aware of these additional fees can help you budget accurately.

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.

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Kansas City

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

Prices updated today

462 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

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

Explore current cheapest deals departing from Kansas City to San Diego

2026-10-20 – 2026-11-11
MKC - San Diego
76% AI deal score
$208
$161
Round trip
2026-10-20 – 2026-10-24
MKC - San Diego
79% AI deal score
$255
$161
Round trip
2026-10-20 – 2026-11-10
MKC - San Diego
76% AI deal score
$208
$161
Round trip
2026-10-23 – 2026-10-26
MKC - San Diego
77% AI deal score
$255
$180
Round trip
2026-10-27 – 2026-11-11
MKC - San Diego
67% AI deal score
$212
$190
Round trip
2026-10-27 – 2026-11-10
MKC - San Diego
68% AI deal score
$216
$190
Round trip
2026-12-07 – 2026-12-15
MKC - San Diego
81% AI deal score
$365
$198
Round trip
2026-10-15 – 2026-10-20
MKC - San Diego
74% AI deal score
$252
$199
Round trip
2026-10-21 – 2026-11-10
MKC - San Diego
49% AI deal score
$208
$203
Round trip
2026-10-21 – 2026-11-11
MKC - San Diego
48% AI deal score
$208
$205
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 data indicates that January is typically the most affordable month to fly, with a median fare of $139. Other budget-friendly options include February, with a median fare of $225, and July, where the median fare is $249. Planning your trip around these months could lead to significant savings.

Fares for this route typically range from $277 to $713, with a median of $388. Right now, current fares are significantly above the typical level for this route. Only 4% of recent fares were classified as a good price, suggesting that finding a low fare can be challenging, though new deals appear almost daily.

Most itineraries for flights from Kansas City to San Diego connect at least once. In fact, 0% of recent fares were non-stop, meaning you should expect to make connections. When connecting, the typical number of stopovers is 2.

A typical journey from Kansas City to San Diego, including connections, takes about 6h 12m. This duration accounts for the layovers and transfers common on this route, as direct flights are not available.

The distance between Kansas City and San Diego is 2142 kilometers, classifying this as a medium-haul flight. This distance typically involves a multi-hour journey, often requiring connections.

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

Regular price: $212 - $412

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 typically between $212 and $412. The current lowest deal is $180 with Frontier Airlines for travel from Oct 23-Oct 26.

now $180

Low $212

High $412

The cheapest time to fly from Kansas City to San Diego

Flights from MKC to SAN are cheapest in January, with a median price of $139. The most expensive month to fly 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

Frontier Airlines

Alaska Airlines, Inc.

Last-minute flights going from Kansas City to San Diego

Tue, Sep 15

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$585

$422

One-way

Wed, Sep 16

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$585

$410

One-way

Wed, Sep 16

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

American Airlines

$652

$417

One-way

Thu, Sep 17

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

American Airlines

$638

$419

One-way

Fri, Sep 18

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$631

$408

One-way

Fri, Sep 18

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$638

$425

One-way

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

4 nights

Sep 16 - Sep 20

$652 → $417

36%

3 nights

Sep 18 - Sep 21

$631 → $408

35%

2 nights

Sep 17 - Sep 19

$638 → $419

34%

2 nights

Sep 18 - Sep 20

$638 → $425

33%

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 are at $180, which is below the typical level for this route.

📅 Best time to fly

January offers the lowest median prices

Historically, January has the lowest median price at $139, followed by February at $225.

⏱️ Flight duration

Connecting flights average 6h 12m

Flights from Kansas City to San Diego typically involve connections, averaging 6h 12m.

✈️ Airlines & availability

Connecting flights are dominant

This route is primarily served by connecting flights, with 0% being direct over 90 days.

🏆 Airline highlight

Frontier Airlines offers many deals

Frontier Airlines has 96 direct deals, making it a frequent option for this route.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route are frequent, appearing often within a 30-day window.

Kansas City main airports to depart from

Kansas City International (MCI)

Cheapest

Kansas City International Airport (MCI) is a good option for flights from Kansas City to San Diego.

📍 ~25 km from city center (reachable by car)

💸 Flights from ~$154

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 ~$154

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is an alternative for Mexico-bound travelers, offering direct access via the Cross Border Xpress (CBX) terminal.

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

💸 Flights from ~$463

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

Oct 06

San Diego, United States

82% AI deal score

$1,319

$857

Save $462

United Airlines

Business Class

From MCI

Elite

Oct 28

San Diego, United States

81% AI deal score

$1,192

$853

Save $339

United Airlines

Business Class

From MCI

Elite

Mar 02

San Diego, United States

81% AI deal score

$1,225

$909

Save $316

United Airlines

Business Class

From MCI

Elite

Oct 24

San Diego, United States

80% AI deal score

$1,160

$853

Save $307

United Airlines

Business Class

From MCI

Elite

Nov 07

San Diego, United States

80% AI deal score

$1,177

$853

Save $324

United Airlines

Business Class

From MCI

Elite

Nov 11

San Diego, United States

80% AI deal score

$1,168

$857

Save $311

United Airlines

Business Class

From MCI

Elite

Oct 17

San Diego, United States

80% AI deal score

$1,142

$857

Save $285

United Airlines

Business Class

From MCI

Elite

Oct 14

San Diego, United States

80% AI deal score

$1,142

$857

Save $285

United Airlines

Business Class

From MCI

Elite

Nov 03

San Diego, United States

80% AI deal score

$1,168

$861

Save $307

United Airlines

Business Class

From MCI

Elite

Dec 23

San Diego, United States

80% AI deal score

$1,199

$880

Save $319

United Airlines

Business Class

From MCI

Elite

Dec 02

San Diego, United States

79% AI deal score

$1,114

$861

Save $253

United Airlines

Business Class

From MCI

Elite

Nov 25

San Diego, United States

74% AI deal score

$1,205

$949

Save $256

United Airlines

Business Class

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 help you catch drops in fares.

Booking in advance, often several weeks or months before your intended departure, can sometimes result in lower prices. However, last-minute deals can occasionally appear, so it's useful to monitor prices. Mid-week travel days may also offer more favorable rates.

Comparing nearby airports can sometimes provide additional flight options and potentially lower prices. While it may add to your ground travel time, the savings on airfare can 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

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

Regular price: $212 - $412

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 typically between $212 and $412. The current lowest deal is $180 with Frontier Airlines for travel from Oct 23-Oct 26.

now $180

Low $212

High $412

The cheapest time to fly from Kansas City to San Diego

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

Frontier Airlines

Alaska Airlines, Inc.

Last-minute flights going from Kansas City to San Diego

Tue, Sep 15

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$585

$422

One-way

Wed, Sep 16

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$585

$410

One-way

Wed, Sep 16

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

American Airlines

$652

$417

One-way

Thu, Sep 17

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

American Airlines

$638

$419

One-way

Fri, Sep 18

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$631

$408

One-way

Fri, Sep 18

⌛ Last-Minute

MCI - San Diego

Kansas City (MCI) - San Diego (SAN)

Frontier Airlines

$638

$425

One-way

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

4 nights

Sep 16 - Sep 20

$652 → $417

36%

3 nights

Sep 18 - Sep 21

$631 → $408

35%

2 nights

Sep 17 - Sep 19

$638 → $419

34%

2 nights

Sep 18 - Sep 20

$638 → $425

33%

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 are at $180, which is below the typical level for this route.

📅 Best time to fly

January offers the lowest median prices

Historically, January has the lowest median price at $139, followed by February at $225.

⏱️ Flight duration

Connecting flights average 6h 12m

Flights from Kansas City to San Diego typically involve connections, averaging 6h 12m.

✈️ Airlines & availability

Connecting flights are dominant

This route is primarily served by connecting flights, with 0% being direct over 90 days.

🏆 Airline highlight

Frontier Airlines offers many deals

Frontier Airlines has 96 direct deals, making it a frequent option for this route.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route are frequent, appearing often within a 30-day window.

Kansas City main airports to depart from

Kansas City International (MCI)

Cheapest

Kansas City International Airport (MCI) is a good option for flights from Kansas City to San Diego.

📍 ~25 km from city center (reachable by car)

💸 Flights from ~$154

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 ~$154

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is an alternative for Mexico-bound travelers, offering direct access via the Cross Border Xpress (CBX) terminal.

San Diego, United States

74% AI deal score

$1,205

$949

Save $256

United Airlines

Business Class

Frequently Asked Questions About Flights to San Diego

Cheap Flights from Kansas City to San Diego

Today’s best flight deals from Kansas City 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

The cheapest time to fly from Kansas City to San Diego

Direct flights from Kansas City to San Diego

Last-minute flights going from Kansas City to San Diego

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

Popular Airports to fly from Kansas City to San Diego

Kansas City - San Diego route insights

Recent fares are below the typical level

January offers the lowest median prices

Connecting flights average 6h 12m

Connecting flights are dominant

Frontier Airlines offers many deals

Deals appear frequently

Kansas City main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Oct 06

Oct 28

Mar 02

Oct 24

Nov 07

Nov 11

Oct 17

Oct 14

Nov 03

Dec 23

Dec 02

Nov 25

Frequently Asked Questions About Flights to San Diego

How can I find cheap flights from Kansas City to San Diego?

When should I book flights from Kansas City to San Diego?

Should I compare nearby airports for flights from Kansas City to San Diego?

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

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

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

Related routes

More routes from Kansas City

Flights to San Diego from other cities

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

The cheapest time to fly from Kansas City to San Diego

Direct flights from Kansas City to San Diego

Last-minute flights going from Kansas City to San Diego

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

Popular Airports to fly from Kansas City to San Diego

Kansas City - San Diego route insights

Recent fares are below the typical level

January offers the lowest median prices

Connecting flights average 6h 12m

Connecting flights are dominant

Frontier Airlines offers many deals

Deals appear frequently

Kansas City main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Oct 06

Oct 28

Mar 02

Oct 24

Nov 07

Nov 11

Oct 17

Oct 14

Nov 03

Dec 23

Dec 02

Nov 25

Frequently Asked Questions About Flights to San Diego

How can I find cheap flights from Kansas City to San Diego?

When should I book flights from Kansas City to San Diego?

Should I compare nearby airports for flights from Kansas City to San Diego?