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Cheap flights from Kansas City to San Diego from $68

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 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Multiple Airlines Logo
7:02 pm - 9:57 amMCI-SAN
16h 55m1 stop
Multiple Airlines Logo
3:23 pm - 2:00 pmSAN-MCI
20h 37m1 stop
$205Multiple Airlines
Find Deal
Sat, Oct 18 - Mon, Oct 27
Multiple Airlines Logo
2:55 pm - 12:35 pmMCI-SAN
23h 40m1 stop
Multiple Airlines Logo
5:57 pm - 7:38 pmSAN-MCI
23h 41m1 stop
$206Multiple Airlines
Find Deal
Wed, Oct 29 - Fri, Oct 31
United Airlines Logo
6:00 am - 9:12 amMCI-SAN
5h 12m1 stop
United Airlines Logo
4:05 pm - 11:30 pmSAN-MCI
5h 25m1 stop
$209United Airlines
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Tue, Oct 14 - Tue, Oct 21
American Airlines Logo
6:00 am - 9:12 amMCI-SAN
5h 12m1 stop
American Airlines Logo
4:20 pm - 11:55 pmSAN-MCI
5h 35m1 stop
$218American Airlines
Find Deal
Wed, Oct 8 - Sat, Oct 11
United Airlines Logo
1:42 pm - 7:54 pmMCI-SAN
8h 12m2 stops
United Airlines Logo
1:00 pm - 8:33 pmSAN-MCI
5h 33m1 stop
$219United Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
American Airlines Logo
2:57 pm - 8:20 pmMCI-SAN
7h 23m1 stop
American Airlines Logo
10:53 am - 8:52 pmSAN-MCI
7h 59m1 stop
$227American Airlines
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Tue, Sep 30 - Tue, Oct 7
Delta Logo
6:10 pm - 11:51 pmMCI-SAN
7h 41m1 stop
Delta Logo
5:00 pm - 12:25 amSAN-MCI
5h 25m1 stop
$237Delta
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Mon, Mar 9 - Wed, Mar 11
Delta Logo
6:20 pm - 12:03 amMCI-SAN
7h 43m1 stop
Delta Logo
12:05 pm - 11:04 pmSAN-MCI
8h 59m1 stop
$269Delta
Find Deal
Wed, Dec 17 - Wed, Jan 7
Southwest Logo
12:25 pm - 5:25 pmMCI-SAN
7h 00m2 stops
Southwest Logo
6:30 am - 3:35 pmSAN-MCI
7h 05m1 stop
$274Southwest
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Sat, Nov 15 - Fri, Nov 28
Southwest Logo
12:25 pm - 5:25 pmMCI-SAN
7h 00m2 stops
Southwest Logo
8:40 am - 5:10 pmSAN-MCI
6h 30m2 stops
$279Southwest
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Sat, Nov 15 - Wed, Nov 19

American Airlines flights from Kansas City to San Diego

Our best American Airlines deals on Kansas City to San Diego flight tickets
American Airlines
Oct 8
MCI6:00 amKansas City
5h 12m
1 stop
SAN9:12 amSan Diego
Oct 11
SAN4:20 pmSan Diego
5h 35m
1 stop
MCI11:55 pmKansas City
$218
Find similar
American Airlines
Sep 30
MCI2:57 pmKansas City
7h 23m
1 stop
SAN8:20 pmSan Diego
Oct 7
SAN10:53 amSan Diego
7h 59m
1 stop
MCI8:52 pmKansas City
$227
Find similar
American Airlines
Oct 31
MCI2:55 pmKansas City
7h 05m
1 stop
SAN8:00 pmSan Diego
Nov 2
SAN5:30 amSan Diego
5h 08m
1 stop
MCI12:38 pmKansas City
$263
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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
Nov 7
MCI8:28 pmKansas City
5h 22m
1 stop
SAN11:50 pmSan Diego
Nov 10
SAN6:41 amSan Diego
10h 52m
1 stop
MCI7:33 pmKansas City
$211
Find similar
Frontier
Oct 16
MCI8:38 pmKansas City
25h 30m
1 stop
SAN8:08 pmSan Diego
Oct 19
SAN7:23 pmSan Diego
22h 30m
2 stops
MCI7:53 pmKansas City
$214
Find similar
Frontier
Oct 17
MCI8:38 pmKansas City
18h 50m
1 stop
SAN1:28 pmSan Diego
Oct 26
SAN7:23 pmSan Diego
22h 30m
2 stops
MCI7:53 pmKansas City
$217
Find similar

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 September 17, 2025.
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

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Sat 10/18

7:02 pm-9:57 am

1 stop16h 55m

San Diego

Mon 10/27

3:23 pm-2:00 pm

1 stop20h 37m

$205

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Wed 10/29

2:55 pm-12:35 pm

1 stop23h 40m

San Diego

Fri 10/31

5:57 pm-7:38 pm

1 stop23h 41m

$206

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Tue 10/14

6:00 am-9:12 am

1 stop5h 12m

San Diego

Tue 10/21

4:05 pm-11:30 pm

1 stop5h 25m

$209

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Wed 10/8

6:00 am-9:12 am

1 stop5h 12m

San Diego

Sat 10/11

4:20 pm-11:55 pm

1 stop5h 35m

$218

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Thu 1/29

1:42 pm-7:54 pm

2 stops8h 12m

San Diego

Wed 2/4

1:00 pm-8:33 pm

1 stop5h 33m

$219

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Tue 9/30

2:57 pm-8:20 pm

1 stop7h 23m

San Diego

Tue 10/7

10:53 am-8:52 pm

1 stop7h 59m

$227

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Mon 3/9

6:10 pm-11:51 pm

1 stop7h 41m

San Diego

Wed 3/11

5:00 pm-12:25 am

1 stop5h 25m

$237

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Wed 12/17

6:20 pm-12:03 am

1 stop7h 43m

San Diego

Wed 1/7

12:05 pm-11:04 pm

1 stop8h 59m

$269

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Sat 11/15

12:25 pm-5:25 pm

2 stops7h 00m

San Diego

Fri 11/28

6:30 am-3:35 pm

1 stop7h 05m

$274

Kansas CitySan Diego

MCI - SAN

MCISAN

Kansas City

Sat 11/15

12:25 pm-5:25 pm

2 stops7h 00m

San Diego

Wed 11/19

8:40 am-5:10 pm

2 stops6h 30m

$279

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 cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Kansas City during the month September is also very affordable. Most momondo users find prices during this month for around $288.

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 Monday. Travelers who choose to depart for San Diego on a Monday will often find tickets for as low as $464. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $840. 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 evening when flights can be purchased for as low as $278. Flights in the morning are often more expensive with an average ticket price of $548.

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 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 $316 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 $274 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 September 2025, prices for Kansas City to San Diego flights are approximately 45% 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

$166

Fastest flight time

3h 20m

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 $166. The best round-trip flight deal from Kansas City to San Diego found on momondo in the last 72 hours is $368.
The fastest flight from Kansas City to San Diego takes 3h 20m
Direct flights go from Kansas City to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • 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 5h 12m 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
Spirit AirlinesPriceFrom $82Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $110Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $228Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $235Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,242 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 $265. Generally, Southwest has 11 flights on this route every week with an average price of $462. 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
Coronado
Chula Vista
El Cajon
Julian
La Mesa
National City
Poway
Imperial Beach
San Ysidro
Borrego Springs
Lemon Grove
Alpine
Santee

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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