$91+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAN
Aug 23 — Aug 301
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 September or October, 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
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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 July 24, 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 July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/132:17 pm
MCI
- SAN
1 stop11h 42m
Frontier
Sun 9/206:25 am
SAN
- MCI
1 stop28h 57m
Frontier
Deal found 7/20![Frontier logo]()
$277
This Frontier deal was found by Cheapflights users on 7/22. 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.
Fri 9/111:50 pm
MCI
- SAN
1 stop8h 58m
Frontier
Mon 9/146:25 am
SAN
- MCI
1 stop4h 57m
Frontier
Deal found 7/22![Frontier logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 8/192:48 pm
MCI
- SAN
1 stop7h 36m
Alaska Airlines
Wed 8/268:05 am
SAN
- MCI
2 stops13h 54m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 10/143:17 pm
MCI
- SAN
1 stop10h 09m
Alaska Airlines
Tue 10/209:51 am
SAN
- MCI
2 stops12h 08m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/101:45 pm
MCI
- SAN
1 stop21h 25m
Frontier
Thu 8/134:28 pm
SAN
- MCI
2 stops42h 32m
Frontier
Deal found 7/21![Frontier logo]()
$283
This Travelocity deal was found by Cheapflights users on 7/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:53 pm
MCI
- SAN
1 stop10h 38m
Multiple Airlines
Thu 11/196:25 am
SAN
- MCI
1 stop4h 57m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/142:17 pm
MCI
- SAN
1 stop11h 42m
Frontier
Mon 10/198:32 pm
SAN
- MCI
1 stop14h 50m
Frontier
Deal found 7/21![Frontier logo]()
$285
This Expedia deal was found by Cheapflights users on 7/24. 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.
Thu 9/31:38 pm
MCI
- SAN
1 stop21h 27m
Frontier
Thu 9/109:03 pm
SAN
- MCI
1 stop22h 42m
Frontier
Deal found 7/24![Frontier logo]()
$286
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 8/186:02 am
MCI
- SAN
2 stops15h 19m
Alaska Airlines
Tue 8/257:15 am
SAN
- MCI
1 stop14h 44m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/96:11 pm
MCI
- SAN
2 stops31h 48m
Frontier
Tue 10/138:32 pm
SAN
- MCI
1 stop14h 50m
Frontier
Deal found 7/22![Frontier logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/157:00 am
MCI
- SAN
2 stops13h 33m
Alaska Airlines
Fri 9/187:15 am
SAN
- MCI
1 stop14h 44m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$292
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 July 24, 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 July 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 11/187:01 am
MCI
- SAN
1 stop10h 49m
Alaska Airlines
Mon 11/236:37 am
SAN
- MCI
1 stop8h 42m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/156:00 am
MCI
- SAN
2 stops7h 35m
United Airlines
Sat 8/222:24 pm
SAN
- MCI
2 stops7h 06m
United Airlines
Deal found 7/20![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 7/21. 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 10/105:25 am
MCI
- SAN
1 stop5h 15m
Southwest
Sat 10/171:50 pm
SAN
- MCI
Nonstop3h 05m
Southwest
Deal found 7/21![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 7/20. 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 8/177:20 am
MCI
- SAN
Nonstop3h 15m
Southwest
Mon 8/247:00 pm
SAN
- MCI
Nonstop3h 10m
Southwest
Deal found 7/20![Southwest logo]()
$337
This United Airlines deal was found by Cheapflights users on 7/19. 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
MCI
- SAN
2 stops7h 35m
United Airlines
Tue 10/202:24 pm
SAN
- MCI
2 stops7h 20m
United Airlines
Deal found 7/19![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 10/106:17 am
MCI
- SAN
2 stops12h 53m
Alaska Airlines
Sat 10/1710:55 am
SAN
- MCI
2 stops11h 04m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/301:48 pm
MCI
- SAN
2 stops8h 20m
United Airlines
Sat 10/311:19 am
SAN
- MCI
2 stops10h 25m
United Airlines
Deal found 7/20![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 7/20. 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 12/39:55 am
MCI
- SAN
1 stop7h 20m
Southwest
Mon 12/72:25 pm
SAN
- MCI
Nonstop3h 05m
Southwest
Deal found 7/20![Southwest logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 11/62:53 pm
MCI
- SAN
1 stop10h 38m
Alaska Airlines
Sat 11/147:07 am
SAN
- MCI
2 stops14h 52m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/86:00 am
MCI
- SAN
2 stops7h 35m
United Airlines
Mon 9/1411:19 am
SAN
- MCI
2 stops10h 11m
United Airlines
Deal found 7/21![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 7/21. 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.
Tue 9/81:00 pm
MCI
- SAN
Nonstop3h 15m
Southwest
Mon 9/147:00 pm
SAN
- MCI
Nonstop3h 10m
Southwest
Deal found 7/21![Southwest logo]()
$462
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/151:08 pm
MCI
- SAN
1 stop7h 22m
United Airlines
Wed 8/1911:00 am
SAN
- MCI
1 stop7h 34m
United Airlines
Deal found 7/23![United Airlines logo]()
$467
Last-minute flights from Kansas City to San DiegoDiscover last-minute flight deals from Kansas City to San Diego. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to San Diego. Data last updated July 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/101:45 pm
MCI
- SAN
1 stop21h 25m
Frontier
Thu 8/134:28 pm
SAN
- MCI
2 stops42h 32m
Frontier
Deal found 7/21![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/104:32 pm
MCI
- SAN
1 stop5h 34m
Frontier
Tue 8/113:03 pm
SAN
- MCI
2 stops19h 57m
Frontier
Deal found 7/20![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/131:45 pm
MCI
- SAN
1 stop21h 25m
Frontier
Mon 8/176:35 am
SAN
- MCI
2 stops50h 06m
Frontier
Deal found 7/21![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/151:45 pm
MCI
- SAN
1 stop12h 06m
Frontier
Mon 8/176:35 am
SAN
- MCI
2 stops50h 06m
Frontier
Deal found 7/23![Frontier logo]()
$295
This CheapOair deal was found by Cheapflights users on 7/20. 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 8/151:45 pm
MCI
- SAN
1 stop12h 06m
Frontier
Sat 8/223:45 pm
SAN
- MCI
1 stop19h 08m
Frontier
Deal found 7/20![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/174:32 pm
MCI
- SAN
1 stop5h 34m
Frontier
Mon 8/244:36 pm
SAN
- MCI
2 stops40h 05m
Frontier
Deal found 7/20![Frontier logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 8/186:02 am
MCI
- SAN
2 stops15h 19m
Alaska Airlines
Tue 8/257:15 am
SAN
- MCI
1 stop14h 44m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$290
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 8/192:48 pm
MCI
- SAN
1 stop7h 36m
Alaska Airlines
Wed 8/268:05 am
SAN
- MCI
2 stops13h 54m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$281
This Expedia deal was found by Cheapflights users on 7/20. 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.
Wed 8/192:48 pm
MCI
- SAN
2 stops9h 02m
Alaska Airlines
Mon 8/248:16 pm
SAN
- MCI
1 stop14h 22m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 7/20. 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 8/2212:40 pm
MCI
- SAN
Nonstop3h 15m
Southwest
Sat 8/292:00 pm
SAN
- MCI
Nonstop3h 10m
Southwest
Deal found 7/20![Southwest logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/295:00 pm
MCI
- SAN
2 stops20h 24m
Multiple Airlines
Wed 9/23:45 pm
SAN
- MCI
1 stop19h 08m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$278
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 July 24, 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 July 24, 2026.
This Trip.com deal was found by Cheapflights users on 7/23. 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 9/222:17 pm
MCI
- SAN
1 stop11h 42m
Frontier
Deal found 7/23![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/122:17 pm
MCI
- SAN
1 stop11h 42m
Frontier
Deal found 7/23![Frontier logo]()
$93
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 8/222:48 pm
MCI
- SAN
1 stop7h 36m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/12:17 pm
MCI
- SAN
1 stop11h 42m
Frontier
Deal found 7/22![Frontier logo]()
$103
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/212:48 pm
MCI
- SAN
1 stop7h 36m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/202:05 pm
MCI
- SAN
1 stop21h 00m
Frontier
Deal found 7/22![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/212:17 pm
MCI
- SAN
2 stops21h 03m
Frontier
Deal found 7/22![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/71:38 pm
MCI
- SAN
1 stop21h 27m
Frontier
Deal found 7/20![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/176:17 pm
MCI
- SAN
2 stops40h 48m
Frontier
Deal found 7/19![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/216:11 pm
MCI
- SAN
2 stops23h 30m
Frontier
Deal found 7/20![Frontier logo]()
$121
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Kiwi.com) |
One-way from | $91 (Trip.com) |
Popular in | March |
Cheapest in | September |
Average price | $335 |
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 July 24, 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 - SAN
MCISAN
Kansas City
Wed 11/18
7:01 am-3:50 pm
1 stop10h 49m
San Diego
Mon 11/23
6:37 am-5:19 pm
1 stop8h 42m
$282
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Sat 8/15
6:00 am-11:35 am
2 stops7h 35m
San Diego
Sat 8/22
2:24 pm-11:30 pm
2 stops7h 06m
$327
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Sat 10/10
5:25 am-8:40 am
1 stop5h 15m
San Diego
Sat 10/17
1:50 pm-6:55 pm
Nonstop3h 05m
$327
Quickest round-trip
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Mon 8/17
7:20 am-8:35 am
Nonstop3h 15m
San Diego
Mon 8/24
7:00 pm-12:10 am
Nonstop3h 10m
$337
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Wed 10/14
6:00 am-11:35 am
2 stops7h 35m
San Diego
Tue 10/20
2:24 pm-11:44 pm
2 stops7h 20m
$417
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Wed 9/30
1:48 pm-8:08 pm
2 stops8h 20m
San Diego
Sat 10/3
11:19 am-11:44 pm
2 stops10h 25m
$417
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Sat 10/10
6:17 am-5:10 pm
2 stops12h 53m
San Diego
Sat 10/17
10:55 am-11:59 pm
2 stops11h 04m
$421
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Tue 9/8
6:00 am-11:35 am
2 stops7h 35m
San Diego
Mon 9/14
11:19 am-11:30 pm
2 stops10h 11m
$437
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Thu 12/3
9:55 am-3:15 pm
1 stop7h 20m
San Diego
Mon 12/7
2:25 pm-7:30 pm
Nonstop3h 05m
$440
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 11/6
2:53 pm-11:31 pm
1 stop10h 38m
San Diego
Sat 11/14
7:07 am-11:59 pm
2 stops14h 52m
$455
Showing 1-10 of 24 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 July.
| 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 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
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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 42 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, September is the cheapest month in which you can book a flight from Kansas City to San Diego (average of $276). Flying from Kansas City to San Diego in March is currently the most expensive (average of $413). 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 July 24, 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 July 24, 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
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
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
Poway
La Mesa
Coronado
Santee
San Ysidro
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 July 24, 2026.
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Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Top 5 airlines flying from Kansas City to San Diego
Discover the top 5 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$224 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$210 | Average$306 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$215 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$376 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$266 | Average$396 | FlexibilityNo cancel fee | On-time63% |