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Cheap flights from Kansas City to San Diego from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to San Diego departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kansas City to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:32 pm - 3:59 pm-
21h 27m
Frontier Logo
4:54 pm - 7:37 pm-
24h 43m
$170Frontier
Mon, Sep 28 - Thu, Oct 1
Frontier Logo
8:32 pm - 11:51 pm-
29h 19m
Frontier Logo
4:54 pm - 7:37 pm-
24h 43m
$176Frontier
Thu, Sep 10 - Mon, Sep 14
Alaska Airlines Logo
6:14 pm - 9:56 am-
17h 42m
Alaska Airlines Logo
12:10 pm - 11:59 pm-
9h 49m
$187Alaska Airlines
Tue, Oct 20 - Thu, Oct 29
Alaska Airlines Logo
3:17 pm - 9:58 pm-
8h 41m
Alaska Airlines Logo
12:10 pm - 11:59 pm-
9h 49m
$187Alaska Airlines
Wed, Oct 14 - Sat, Oct 17
Southwest Logo
12:40 pm - 1:55 pm-
3h 15mnonstop
Southwest Logo
2:00 pm - 7:15 pm-
3h 15mnonstop
$297Southwest
Sat, Aug 29 - Sat, Sep 5
Southwest Logo
3:35 pm - 5:05 pm-
3h 30mnonstop
Southwest Logo
9:10 am - 6:20 pm-
7h 10m
$307Southwest
Sat, Oct 3 - Wed, Oct 14
Delta Logo
3:34 pm - 8:14 pm-
6h 40m
Delta Logo
5:09 pm - 12:07 am-
4h 58m
$317Delta
Sat, Nov 7 - Wed, Nov 11
Delta Logo
7:45 am - 12:25 pm-
6h 40m
Delta Logo
3:59 pm - 11:50 pm-
5h 51m
$317Delta
Tue, Nov 3 - Wed, Nov 11
American Airlines Logo
6:00 am - 11:57 am-
7h 57m
American Airlines Logo
10:45 pm - 8:40 am-
7h 55m
$357American Airlines
Thu, Sep 3 - Mon, Sep 7
American Airlines Logo
6:00 am - 8:50 am-
4h 50m
American Airlines Logo
10:45 pm - 8:40 am-
7h 55m
$357American Airlines
Mon, Aug 31 - Mon, Sep 7

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Frontier flights from Kansas City to San Diego

Our best Frontier deals on Kansas City to San Diego flight tickets
Frontier
Sep 28
MCI8:32 pmKansas City
21h 27m
1 stop
SAN3:59 pmSan Diego
Oct 1
SAN4:54 pmSan Diego
24h 43m
1 stop
MCI7:37 pmKansas City
$170
Frontier
Sep 10
MCI8:32 pmKansas City
29h 19m
1 stop
SAN11:51 pmSan Diego
Sep 14
SAN4:54 pmSan Diego
24h 43m
1 stop
MCI7:37 pmKansas City
$176
Frontier
Oct 5
MCI8:32 pmKansas City
21h 27m
1 stop
SAN3:59 pmSan Diego
Oct 7
SAN6:25 amSan Diego
11h 12m
1 stop
MCI7:37 pmKansas City
$177

Southwest flights from Kansas City to San Diego

Our best Southwest deals on Kansas City to San Diego flight tickets
Southwest
Aug 29
MCI12:40 pmKansas City
3h 15m
SAN1:55 pmSan Diego
Sep 5
SAN2:00 pmSan Diego
3h 15m
MCI7:15 pmKansas City
$297
Southwest
Aug 29
MCI12:40 pmKansas City
3h 15m
SAN1:55 pmSan Diego
Sep 5
SAN12:50 pmSan Diego
5h 15m
1 stop
MCI8:05 pmKansas City
$307

momondo Fare Finder

 
Customize your flight search to find flights from Kansas City to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Kansas City to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Mon 9/28

8:32 pm-3:59 pm

1 stop21h 27m

San Diego

Thu 10/1

4:54 pm-7:37 pm

1 stop24h 43m

$170

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Thu 9/10

8:32 pm-11:51 pm

1 stop29h 19m

San Diego

Mon 9/14

4:54 pm-7:37 pm

1 stop24h 43m

$176

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Tue 10/20

6:14 pm-9:56 am

1 stop17h 42m

San Diego

Thu 10/29

12:10 pm-11:59 pm

1 stop9h 49m

$187

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Wed 10/14

3:17 pm-9:58 pm

1 stop8h 41m

San Diego

Sat 10/17

12:10 pm-11:59 pm

1 stop9h 49m

$187
Quickest round-trip

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Sat 8/29

12:40 pm-1:55 pm

Nonstop3h 15m

San Diego

Sat 9/5

2:00 pm-7:15 pm

Nonstop3h 15m

$297

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Sat 10/3

3:35 pm-5:05 pm

Nonstop3h 30m

San Diego

Wed 10/14

9:10 am-6:20 pm

1 stop7h 10m

$307

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Sat 11/7

3:34 pm-8:14 pm

1 stop6h 40m

San Diego

Wed 11/11

5:09 pm-12:07 am

1 stop4h 58m

$317

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Tue 11/3

7:45 am-12:25 pm

1 stop6h 40m

San Diego

Wed 11/11

3:59 pm-11:50 pm

1 stop5h 51m

$317

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Thu 9/3

6:00 am-11:57 am

1 stop7h 57m

San Diego

Mon 9/7

10:45 pm-8:40 am

1 stop7h 55m

$357

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Mon 8/31

6:00 am-8:50 am

1 stop4h 50m

San Diego

Mon 9/7

10:45 pm-8:40 am

1 stop7h 55m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Kansas City to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Kansas City and San Diego?

Prices are currently low for flights on this route.

Typical prices usually range from $276 to $423.
The lowest price recently found on this route was $170.

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of September, then departing from Kansas City during the month October is also very affordable. Most momondo users find prices during this month for around $299.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Kansas City to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $488. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $664. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $531. Flights at noon are often more expensive with an average ticket price of $658.

What is the cheapest Kansas City to San Diego flight route?

Fly from Kansas City to San Diego for the best Kansas City - San Diego flight prices

How far in advance should I book a flight from Kansas City to San Diego?

You are more likely to see cheaper flights to San Diego from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $344 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Kansas City for as low as $305 on momondo.

What cabin class options are available on Kansas City to San Diego flights?

There is only 1 cabin class available to choose from on Kansas City to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Kansas City to San Diego flight prices changed over time?

As of August 2026, prices for Kansas City to San Diego flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Kansas City to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Kansas City to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kansas City to San Diego (MCI to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to San Diego

Best Price Found

$217

Fastest flight time

3h 15m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Kansas City in the past 72 hours is $217. The best round-trip flight deal from Kansas City to San Diego found on momondo in the last 72 hours is $385.
The fastest flight from Kansas City to San Diego takes 3h 15m
Direct flights go from Kansas City to San Diego every day.
There is 1 airport in San Diego. From Kansas City there are direct flights to San Diego (SAN).
Search flight deals

Frequently asked questions about flying from Kansas City to San Diego

  • How far is Kansas City to San Diego by plane?

    The distance between Kansas City and San Diego is about 1333.1 mi. Typically, this will take 3h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from Kansas City Airport to San Diego Airport?

    Prices for flights from Kansas City Airport to San Diego Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Kansas City Airport to San Diego Airport?

  • How old do you have to be to fly from Kansas City Airport to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Kansas City to San Diego?

  • What is the most popular airline from Kansas City to San Diego?

Best airlines flying from Kansas City to San Diego

Compare and see reviews for airlines that fly from Kansas City to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $96Free CancellationRating
5.6
2,738 reviews
Search Frontier flights
American AirlinesPriceFrom $210Free CancellationRating
7.1
11,846 reviews
Search American Airlines flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
DeltaPriceFrom $215Free CancellationRating
7.8
8,483 reviews
Search Delta flights
SouthwestPriceFrom $268Free CancellationRating
8.0
4,222 reviews
Search Southwest flights

  • Southwest Flights From Kansas City to San Diego

    The lowest priced Southwest flight from Kansas City to San Diego from the last 72 hours was $268. Generally, Southwest has 2 flights on this route every week with an average price of $404. Southwest is rated 8.0/10 by our users.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
National City
Julian
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to San Diego?

Finding the right flight to San Diego from Kansas City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Kansas City to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from Kansas City with this policy.

How can momondo help me find flights from Kansas City to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kansas City to San Diego.

I’m not ready to book a flight from Kansas City to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Kansas City and alert you when they change.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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