$118 Cheap Flights from Kansas City (MCI) to San Diego (SAN)

View $118 flight on Thu, Oct 2, 2025Opens in a new window

Cheap Flights from Kansas City to San Diego (MCI-SAN)

Prices were available within the past 7 days and start at $118 for one-way flights and $162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 11 - Tue, Oct 21
MCI
Kansas City
SAN
San Diego
$162 Roundtrip, found 12 hours ago
$162
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Oct 11 from Kansas City to San Diego, returning Tue, Oct 21, priced at $162 found 12 hours ago
Southwest Airlines
Tue, Jan 20 - Mon, Feb 2
MCI
Kansas City
SAN
San Diego
$163 Roundtrip, found 3 days ago
$163
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Kansas City to San Diego, returning Mon, Feb 2, priced at $163 found 3 days ago
American Airlines
Sat, Dec 13 - Sun, Jan 25
MCI
Kansas City
SAN
San Diego
$167 Roundtrip, found 10 hours ago
$167
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Dec 13 from Kansas City to San Diego, returning Sun, Jan 25, priced at $167 found 10 hours ago
United
Sat, Dec 13 - Sun, Jan 25
MCI
Kansas City
SAN
San Diego
$168 Roundtrip, found 10 hours ago
$168
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Dec 13 from Kansas City to San Diego, returning Sun, Jan 25, priced at $168 found 10 hours ago
American Airlines
Tue, Nov 11 - Sun, Nov 16
MCI
Kansas City
SAN
San Diego
$169 Roundtrip, found 12 hours ago
$169
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Nov 11 from Kansas City to San Diego, returning Sun, Nov 16, priced at $169 found 12 hours ago
United
Sat, Nov 8 - Tue, Nov 18
MCI
Kansas City
SAN
San Diego
$172 Roundtrip, found 12 hours ago
$172
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Nov 8 from Kansas City to San Diego, returning Tue, Nov 18, priced at $172 found 12 hours ago
United
Wed, Nov 12 - Wed, Nov 19
MCI
Kansas City
SAN
San Diego
$174 Roundtrip, found 14 hours ago
$174
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Nov 12 from Kansas City to San Diego, returning Wed, Nov 19, priced at $174 found 14 hours ago
Southwest Airlines
Tue, Jan 20 - Mon, Feb 2
MCI
Kansas City
SAN
San Diego
$182 Roundtrip, found 3 days ago
$182
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Kansas City to San Diego, returning Mon, Feb 2, priced at $182 found 3 days ago
Frontier Airlines
Sat, Oct 18 - Sat, Oct 25
MCI
Kansas City
SAN
San Diego
$195 Roundtrip, just found
$195
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 18 from Kansas City to San Diego, returning Sat, Oct 25, priced at $195 just found
Alaska Airlines
Fri, Oct 17 - Sat, Oct 25
MCI
Kansas City
SAN
San Diego
$197 Roundtrip, found 16 hours ago
$197
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Fri, Oct 17 from Kansas City to San Diego, returning Sat, Oct 25, priced at $197 found 16 hours ago

Frequently asked questions

How much does a flight from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN) cost?
Lock in a cheap one-way flight from $118 or cheap return flight from $162 from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
The cheapest month to fly from MCI to SAN is October, when there's less demand. Off-peak season is usually when airlines offer better prices between these airports.
Which airlines fly direct from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
Board a nonstop flight with Southwest Airlines and fly straight from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN).
What is the cheapest airline that flies from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from MCI to SAN. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
On average, Kansas City Intl. Airport (MCI) only has 1 nonstop flight to San Diego Intl. Airport (SAN) every day. For more options, try Expedia's easy-to-use filters. Just enter your details, then click on "1 Stop" or "2+ Stops" to discover flights with layovers.
What are the most popular departure times for flights from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
The 3 PM departures from MCI to SAN are typically the busiest. Prices can be higher for these popular slots. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from MCI to SAN?
Saturday offers the most flights from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN). Consider leaving on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
Kansas City Intl. Airport (MCI)'s earliest flight to San Diego Intl. Airport (SAN) is at approximately 11:15AM UTC-6. With a travel duration of 3h 40m, you'll touch down at around 12:55PM UTC-8.
How long does it take to fly from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
The average flight duration from MCI to SAN is 3 hours and 40 minutes, covering a distance of 1,350 mi.
What airline has the least delays from MCI to SAN?
With 88% of journeys usually arriving as scheduled, Southwest Airlines has the best on-time performance for nonstop flights from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN). To monitor your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
Choose a flight from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Diego from Kansas City Intl. Airport (MCI)?
Check out your flight options from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN). This is the only airport in San Diego you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN) last-minute?
Booking your plane ticket from MCI to SAN just before your journey is typically more expensive. But if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a MCI to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking a MCI to SAN flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Kansas City Intl. Airport (MCI) to San Diego Intl. Airport (SAN)?
It's usually possible to cancel or reschedule your MCI to SAN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Kansas City Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$162
Distance
1331 mi
Average flight time
2 hours 33 mins

Book with confidence

Book with confidence

Kansas City to San Diego Flights

The cheapest times to fly from Kansas City to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kansas City to San Diego are during the month of October. You can find some of the cheapest flights from Kansas City to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kansas City to San Diego

Sunday is one of the best days to book for cheap flights from Kansas City to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kansas City to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kansas City to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kansas City to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kansas City to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kansas City to San Diego Flights

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Explore a world of travel with Expedia

*Available to One Key members.