$108+ Cheap flights from Kansas City to San Diego (MCI - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAN
Oct 7 — Oct 141
Round-trip
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 February or April, booked 62 days in advance, depart on a Thursday or Friday 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 September 7, 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 September 7, 2026.
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:32 pm -
1 stop5h 19m
Sat 10/106:25 am -
1 stop11h 23m
Deal found 9/3![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/48:43 pm -
1 stop5h 14m
Sat 11/76:25 am -
1 stop11h 22m
Deal found 9/3![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:43 pm -
1 stop5h 13m
Tue 10/204:53 pm -
1 stop24h 55m
Deal found 9/3![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Mon 10/128:43 pm -
1 stop21h 15m
Tue 10/206:25 am -
1 stop11h 23m
Deal found 9/2![Frontier logo]()
$235
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Tue 11/108:43 pm -
1 stop5h 14m
Tue 11/176:25 am -
1 stop11h 22m
Deal found 9/4![Frontier logo]()
$238
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:32 pm -
1 stop5h 19m
Mon 10/54:54 pm -
1 stop24h 43m
Deal found 9/3![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 10/210:30 pm -
1 stop20h 29m
Thu 10/88:34 pm -
1 stop13h 24m
Deal found 9/3![Frontier logo]()
$243
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:32 pm -
1 stop5h 19m
Thu 10/88:34 pm -
1 stop13h 24m
Deal found 9/3![Frontier logo]()
$246
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:32 pm -
1 stop5h 19m
Sat 10/36:25 am -
1 stop11h 12m
Deal found 9/4![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:43 pm -
1 stop5h 13m
Tue 10/206:25 am -
1 stop11h 23m
Deal found 9/3![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Tue 11/38:43 pm -
2 stops15h 28m
Sat 11/76:25 am -
1 stop11h 22m
Deal found 9/2![Frontier logo]()
$253
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 September 7, 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 September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:15 pm -
1 stop6h 50m
Wed 10/2110:35 am -
Nonstop3h 05m
Deal found 9/2![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:48 pm -
2 stops8h 20m
Mon 10/54:11 pm -
1 stop5h 33m
Deal found 9/3![United Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/156:17 am -
1 stop19h 42m
Mon 10/196:15 am -
1 stop15h 44m
Deal found 9/7![Alaska Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/161:45 pm -
1 stop6h 30m
Thu 1/212:20 pm -
Nonstop3h 00m
Deal found 9/3![Southwest logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/146:17 am -
2 stops12h 34m
Tue 10/2012:10 pm -
1 stop9h 49m
Deal found 9/6![Alaska Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:40 pm -
1 stop6h 15m
Fri 10/236:20 pm -
Nonstop3h 10m
Deal found 9/2![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
2 stops8h 18m
Tue 10/207:41 pm -
2 stops11h 26m
Deal found 9/3![United Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 9/237:00 am -
1 stop9h 42m
Tue 9/297:00 am -
2 stops14h 59m
Deal found 9/6![Alaska Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:40 pm -
Nonstop3h 15m
Sat 10/31:50 pm -
Nonstop3h 05m
Deal found 9/4![Southwest logo]()
$505
Last-minute flights from Kansas City to San DiegoDiscover last-minute flight deals from Kansas City to San Diego. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to San Diego. Data last updated September 7, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:32 pm -
1 stop5h 19m
Sat 10/36:25 am -
1 stop11h 12m
Deal found 9/4![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 10/210:30 pm -
1 stop20h 29m
Thu 10/88:34 pm -
1 stop13h 24m
Deal found 9/3![Frontier logo]()
$243
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:32 pm -
1 stop21h 26m
Fri 10/94:53 pm -
1 stop24h 55m
Deal found 9/4![Frontier logo]()
$259
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:32 pm -
1 stop5h 19m
Sat 10/106:25 am -
1 stop11h 23m
Deal found 9/3![Frontier logo]()
$227
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:32 pm -
1 stop5h 19m
Mon 10/54:54 pm -
1 stop24h 43m
Deal found 9/3![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:32 pm -
1 stop5h 19m
Thu 10/88:34 pm -
1 stop13h 24m
Deal found 9/3![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/78:32 pm -
2 stops19h 57m
Sat 10/106:25 am -
1 stop11h 23m
Deal found 9/3![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Mon 10/128:43 pm -
1 stop21h 15m
Tue 10/206:25 am -
1 stop11h 23m
Deal found 9/2![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:43 pm -
1 stop5h 13m
Tue 10/204:53 pm -
1 stop24h 55m
Deal found 9/3![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:43 pm -
1 stop5h 13m
Tue 10/206:25 am -
1 stop11h 23m
Deal found 9/3![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/248:43 pm -
1 stop5h 13m
Fri 10/304:53 pm -
1 stop24h 54m
Deal found 9/5![Frontier logo]()
$258
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 September 7, 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 September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/78:32 pm -
1 stop5h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:43 pm -
1 stop5h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$110
This Priceline deal was found by Cheapflights users on 9/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:43 pm -
1 stop5h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:43 pm -
1 stop5h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:43 pm -
1 stop21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$115
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:43 pm -
1 stop21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/88:43 pm -
1 stop5h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:36 pm -
1 stop5h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:43 pm -
1 stop5h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$124
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:32 pm -
1 stop21h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$128
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $212 (CheapOair) |
One-way from | $108 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $404 |
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 7,457,451 searches. Data last updated September 7, 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
Cheapest round-trip
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Wed 10/21
8:43 pm-11:56 pm
1 stop5h 13m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$112
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Thu 10/8
8:43 pm-11:56 pm
1 stop5h 13m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$121
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Mon 9/21
8:32 pm-11:51 pm
1 stop5h 19m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$163
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Mon 11/2
9:30 am-11:00 am
Nonstop3h 30m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$169
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Wed 10/21
6:17 am-5:10 pm
2 stops12h 53m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$218
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Mon 3/1
1:45 pm-7:49 pm
2 stops8h 04m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$224
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Wed 3/3
2:15 pm-10:49 pm
2 stops10h 34m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$227
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Fri 12/4
2:50 pm-10:52 pm
2 stops10h 02m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$227
Quickest round-trip
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Fri 12/4
10:25 am-11:50 am
Nonstop3h 25m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$234
Kansas CitySan Diego
MCI Kansas City - SAN San Diego
MCISAN
Kansas City
Fri 3/5
2:15 pm-9:52 pm
1 stop9h 37m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$234
Showing 1-10 of 21 resultsSorted by cheapest first
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 September.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | 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
Prices
More
How far ahead should I book a flight from Kansas City to San Diego?
The best time to book flights from Kansas City to San Diego is 61 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, February is the cheapest month in which you can book a flight from Kansas City to San Diego (average of $313). Flying from Kansas City to San Diego in March is currently the most expensive (average of $411). 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 September 7, 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.
What’s the top layover airport for flights from Kansas City to San Diego?
Share of 1-stop round-trip flights from Kansas City to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 60% of 1-stop itineraries from Kansas City to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from Kansas City to San Diego?
Average round-trip fare for 1-stop flights from Kansas City to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $190.
What’s the fastest layover option from Kansas City to San Diego?
Shortest average travel time for 1-stop one-way flights from Kansas City to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 5h 00m.
Which airport typically offers the quickest layover for flights from Kansas City to San Diego?
Average layover duration for 1-stop one-way flights from Kansas City to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 1h 05m.
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 September 7, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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
National City
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$407 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$216 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$312 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$392 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$407 | FlexibilityNo cancel fee | On-time63% |