$64+ Cheap flights from Kansas City to San Diego (MCI - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAN
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Kansas City to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Kansas City to San Diego are usually found in September or October, booked 53 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Kansas City to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kansas City to San DiegoExplore the most affordable flight options available from Kansas City to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Kansas City to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
MCI
- SAN
1 stop13h 43m
Frontier
Sat 3/76:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/1![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:49 pm
MCI
- SAN
1 stop29h 35m
Frontier
Sat 3/76:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/1![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:33 pm
MCI
- SAN
1 stop27h 08m
Frontier
Mon 3/96:25 am
SAN
- MCI
1 stop11h 28m
Frontier
Deal found 1/31![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
MCI
- SAN
1 stop13h 43m
Frontier
Fri 3/66:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/1![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:49 pm
MCI
- SAN
1 stop29h 35m
Frontier
Fri 3/69:00 am
SAN
- MCI
1 stop8h 55m
Frontier
Deal found 2/1![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:49 pm
MCI
- SAN
1 stop29h 04m
Frontier
Sat 3/76:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/1![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:36 pm
MCI
- SAN
1 stop13h 48m
Frontier
Mon 2/236:25 am
SAN
- MCI
1 stop11h 23m
Frontier
Deal found 2/1![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:49 pm
MCI
- SAN
1 stop29h 04m
Frontier
Fri 3/69:00 am
SAN
- MCI
1 stop8h 55m
Frontier
Deal found 2/1![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
MCI
- SAN
1 stop13h 43m
Frontier
Mon 3/96:25 am
SAN
- MCI
1 stop11h 28m
Frontier
Deal found 2/1![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:33 pm
MCI
- SAN
1 stop5h 35m
Frontier
Thu 2/266:25 am
SAN
- MCI
1 stop9h 34m
Frontier
Deal found 2/2![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:39 pm
MCI
- SAN
2 stops26h 52m
Frontier
Fri 3/66:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/3![Frontier logo]()
$151
Best flights from Kansas City to San DiegoDiscover carefully curated flight deals from Kansas City to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Kansas City to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:30 am
MCI
- SAN
1 stop9h 50m
Delta
Sun 5/36:20 am
SAN
- MCI
1 stop6h 39m
Delta
Deal found 1/31![Delta logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:16 pm
MCI
- SAN
1 stop8h 43m
Alaska Airlines
Wed 3/1110:09 pm
SAN
- MCI
2 stops16h 13m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/104:25 pm
MCI
- SAN
1 stop7h 31m
United Airlines
Wed 2/111:51 pm
SAN
- MCI
1 stop6h 49m
United Airlines
Deal found 1/31![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:55 am
MCI
- SAN
1 stop8h 49m
Delta
Sat 3/146:20 am
SAN
- MCI
1 stop6h 34m
Delta
Deal found 2/1![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:00 am
MCI
- SAN
1 stop9h 29m
Delta
Wed 3/1110:10 pm
SAN
- MCI
1 stop9h 41m
Delta
Deal found 2/2![Delta logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:50 pm
MCI
- SAN
2 stops17h 08m
Alaska Airlines
Mon 4/139:07 pm
SAN
- MCI
1 stop17h 49m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:11 pm
MCI
- SAN
1 stop5h 37m
Delta
Mon 3/2310:10 pm
SAN
- MCI
1 stop9h 41m
Delta
Deal found 2/1![Delta logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:11 pm
MCI
- SAN
1 stop8h 48m
Alaska Airlines
Wed 4/298:39 am
SAN
- MCI
2 stops13h 20m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/32:16 pm
MCI
- SAN
1 stop10h 43m
Delta
Sun 4/56:20 am
SAN
- MCI
1 stop6h 34m
Delta
Deal found 2/2![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:11 pm
MCI
- SAN
1 stop5h 37m
Delta
Sun 4/126:20 am
SAN
- MCI
1 stop6h 34m
Delta
Deal found 2/1![Delta logo]()
$314
Last-minute flights from Kansas City to San DiegoDiscover last-minute flight deals from Kansas City to San Diego. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to San Diego. Data last updated February 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:36 pm
MCI
- SAN
1 stop13h 48m
Frontier
Mon 2/236:25 am
SAN
- MCI
1 stop11h 23m
Frontier
Deal found 2/1![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:33 pm
MCI
- SAN
1 stop5h 35m
Frontier
Thu 2/266:25 am
SAN
- MCI
1 stop9h 34m
Frontier
Deal found 2/2![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:49 pm
MCI
- SAN
1 stop29h 04m
Frontier
Sat 3/76:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/1![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:49 pm
MCI
- SAN
1 stop29h 04m
Frontier
Fri 3/69:00 am
SAN
- MCI
1 stop8h 55m
Frontier
Deal found 2/1![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
MCI
- SAN
1 stop13h 43m
Frontier
Sat 3/76:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/1![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
MCI
- SAN
1 stop13h 43m
Frontier
Fri 3/66:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/1![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
MCI
- SAN
1 stop13h 43m
Frontier
Mon 3/96:25 am
SAN
- MCI
1 stop11h 28m
Frontier
Deal found 2/1![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:49 pm
MCI
- SAN
1 stop29h 35m
Frontier
Sat 3/76:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/1![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:33 pm
MCI
- SAN
1 stop27h 08m
Frontier
Mon 3/96:25 am
SAN
- MCI
1 stop11h 28m
Frontier
Deal found 1/31![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:49 pm
MCI
- SAN
1 stop29h 35m
Frontier
Fri 3/69:00 am
SAN
- MCI
1 stop8h 55m
Frontier
Deal found 2/1![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:39 pm
MCI
- SAN
2 stops26h 52m
Frontier
Fri 3/66:25 am
SAN
- MCI
1 stop11h 30m
Frontier
Deal found 2/2![Frontier logo]()
$151
One-way flights from Kansas City to San DiegoSearch for one-way flight options from Kansas City to San Diego. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Kansas City to San Diego. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Frontier deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
MCI
- SAN
1 stop5h 27m
Frontier
Deal found 2/2![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:33 pm
MCI
- SAN
1 stop5h 35m
Frontier
Deal found 2/2![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/221:44 pm
MCI
- SAN
1 stop12h 24m
Frontier
Deal found 2/2![Frontier logo]()
$77
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/11:44 pm
MCI
- SAN
1 stop12h 24m
Frontier
Deal found 2/2![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:49 pm
MCI
- SAN
1 stop29h 04m
Frontier
Deal found 2/1![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:40 pm
MCI
- SAN
1 stop13h 25m
Frontier
Deal found 2/1![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/308:38 pm
MCI
- SAN
1 stop26h 36m
Frontier
Deal found 2/1![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:15 pm
MCI
- SAN
1 stop11h 46m
Frontier
Deal found 2/2![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:39 pm
MCI
- SAN
2 stops24h 38m
Frontier
Deal found 2/3![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:43 pm
MCI
- SAN
1 stop29h 19m
Frontier
Deal found 2/3![Frontier logo]()
$94
Find flight deals from Kansas City to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $112 (Kiwi.com) |
One-way from | $64 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $294 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Kansas City to San Diego that are best for you.
Fly from
Kansas City
Fly to
San Diego
Route
Depart
Return
Price
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Tue 4/28
6:30 am-2:20 pm
1 stop9h 50m
San Diego
Sun 5/3
6:20 am-2:59 pm
1 stop6h 39m
$269
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Tue 3/10
7:55 am-2:44 pm
1 stop8h 49m
San Diego
Sat 3/14
6:20 am-2:54 pm
1 stop6h 34m
$269
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 3/6
7:00 am-2:29 pm
1 stop9h 29m
San Diego
Wed 3/11
10:10 pm-9:51 am
1 stop9h 41m
$269
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Thu 3/19
8:11 pm-11:48 pm
1 stop5h 37m
San Diego
Mon 3/23
10:10 pm-9:51 am
1 stop9h 41m
$269
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 4/3
2:16 pm-10:59 pm
1 stop10h 43m
San Diego
Sun 4/5
6:20 am-2:54 pm
1 stop6h 34m
$294
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 3/6
5:16 pm-11:59 pm
1 stop8h 43m
San Diego
Wed 3/11
10:09 pm-4:22 pm
2 stops16h 13m
$297
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Wed 4/8
5:50 pm-8:58 am
2 stops17h 08m
San Diego
Mon 4/13
9:07 pm-4:56 pm
1 stop17h 49m
$301
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 4/24
5:11 pm-11:59 pm
1 stop8h 48m
San Diego
Wed 4/29
8:39 am-11:59 pm
2 stops13h 20m
$301
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Thu 4/9
8:11 pm-11:48 pm
1 stop5h 37m
San Diego
Sun 4/12
6:20 am-2:54 pm
1 stop6h 34m
$314
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Tue 2/10
4:25 pm-9:56 pm
1 stop7h 31m
San Diego
Wed 2/11
1:51 pm-10:40 pm
1 stop6h 49m
$317
Showing 1-10 of 19 results
Compare providers for flights from Kansas City to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to San Diego in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kansas City-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kansas City-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Kansas City to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Kansas City with our price prediction graph.
MCI-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kansas City to San Diego
How far ahead should I book a flight from Kansas City to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from Kansas City to San Diego. Price data was last updated on January 30, 2026.
The best time to book flights from Kansas City to San Diego is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Kansas City to San Diego?
Currently, August is the cheapest month in which you can book a flight from Kansas City to San Diego (average of $88). Flying from Kansas City to San Diego in January is currently the most expensive (average of $198). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MCI to SAN?
Find hourly flight availability from Kansas City to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.
When flying from Kansas City to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated February 3, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Kansas City to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Kansas City to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
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Kansas City and San Diego flights
Browse other Kansas City and San Diego flight options. Last updated on February 3, 2026.
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Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 3, 2026.
Top 6 airlines flying from Kansas City to San Diego
Discover the top 6 airlines that operate flights from Kansas City to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$203 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$110 | Average$189 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$269 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$283 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$328 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$444 | FlexibilityNo cancel fee | On-time63% |