$90+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAN
Jul 12 — Jul 191
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 August, booked 62 days in advance, depart on a Friday or Wednesday 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 June 12, 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 June 12, 2026.
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/156:00 am
MCI
- SAN
1 stop5h 05m
United Airlines
Wed 9/236:15 am
SAN
- MCI
2 stops7h 56m
United Airlines
Deal found 6/10![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 7/153:55 pm
MCI
- SAN
1 stop5h 22m
Delta
Mon 7/2010:15 pm
SAN
- MCI
1 stop9h 29m
Delta
Deal found 6/8![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 6/10. 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.
Fri 7/36:30 pm
MCI
- SAN
1 stop4h 35m
Southwest
Wed 7/81:15 pm
SAN
- MCI
2 stops6h 50m
Southwest
Deal found 6/10![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 6/8. 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 9/1511:40 am
MCI
- SAN
2 stops7h 15m
Southwest
Sat 9/198:55 am
SAN
- MCI
1 stop7h 10m
Southwest
Deal found 6/8![Southwest logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/41:45 pm
MCI
- SAN
2 stops28h 00m
Frontier
Sat 8/88:51 pm
SAN
- MCI
1 stop16h 56m
Frontier
Deal found 6/10![Frontier logo]()
$281
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/35:24 pm
MCI
- SAN
2 stops8h 30m
United Airlines
Tue 7/74:07 pm
SAN
- MCI
1 stop5h 18m
United Airlines
Deal found 6/10![United Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/61:45 pm
MCI
- SAN
1 stop12h 06m
Frontier
Wed 8/126:25 am
SAN
- MCI
2 stops31h 22m
Frontier
Deal found 6/9![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/81:45 pm
MCI
- SAN
1 stop12h 06m
Frontier
Tue 8/113:03 pm
SAN
- MCI
2 stops19h 57m
Frontier
Deal found 6/10![Frontier logo]()
$285
This Delta deal was found by Cheapflights users on 6/9. 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 8/73:52 pm
MCI
- SAN
1 stop5h 27m
Delta
Sun 8/99:30 pm
SAN
- MCI
1 stop9h 49m
Delta
Deal found 6/9![Delta logo]()
$286
This Southwest deal was found by Cheapflights users on 6/8. 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 8/45:15 pm
MCI
- SAN
1 stop5h 30m
Southwest
Fri 8/77:00 pm
SAN
- MCI
Nonstop3h 10m
Southwest
Deal found 6/8![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:53 pm
MCI
- SAN
1 stop6h 06m
American Airlines
Mon 7/204:23 pm
SAN
- MCI
1 stop5h 50m
American Airlines
Deal found 6/10![American Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 6/9. 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.
Fri 8/146:05 pm
MCI
- SAN
1 stop6h 00m
Southwest
Wed 8/1911:05 am
SAN
- MCI
Nonstop3h 10m
Southwest
Deal found 6/9![Southwest logo]()
$299
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 June 12, 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 June 12, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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 7/315:42 pm
MCI
- SAN
1 stop7h 48m
Delta
Mon 8/39:30 pm
SAN
- MCI
1 stop9h 49m
Delta
Deal found 6/11![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 6/10. 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.
Fri 7/36:30 pm
MCI
- SAN
1 stop4h 35m
Southwest
Wed 7/81:15 pm
SAN
- MCI
2 stops6h 50m
Southwest
Deal found 6/10![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 8/281:43 pm
MCI
- SAN
1 stop5h 17m
United Airlines
Mon 8/312:24 pm
SAN
- MCI
2 stops7h 06m
United Airlines
Deal found 6/11![United Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 6/11. 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 7/23:35 pm
MCI
- SAN
1 stop6h 40m
Southwest
Tue 7/76:40 am
SAN
- MCI
1 stop5h 15m
Southwest
Deal found 6/11![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/258:15 pm
MCI
- SAN
1 stop5h 10m
Southwest
Fri 7/36:55 pm
SAN
- MCI
1 stop4h 35m
Southwest
Deal found 6/7![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/31:32 pm
MCI
- SAN
2 stops12h 22m
United Airlines
Wed 7/88:45 am
SAN
- MCI
1 stop5h 37m
United Airlines
Deal found 6/12![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:15 pm
MCI
- SAN
1 stop4h 55m
Southwest
Sat 8/810:40 pm
SAN
- MCI
1 stop9h 00m
Southwest
Deal found 6/7![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 9/66:00 am
MCI
- SAN
2 stops7h 35m
United Airlines
Sun 9/1310:40 pm
SAN
- MCI
1 stop8h 18m
United Airlines
Deal found 6/8![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 6/11. 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 7/213:55 pm
MCI
- SAN
Nonstop3h 15m
Southwest
Fri 7/246:55 pm
SAN
- MCI
1 stop4h 40m
Southwest
Deal found 6/11![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 6/11. 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.
Fri 7/176:30 pm
MCI
- SAN
Nonstop3h 20m
Southwest
Wed 7/224:25 pm
SAN
- MCI
1 stop4h 50m
Southwest
Deal found 6/11![Southwest logo]()
$357
Last-minute flights from Kansas City to San DiegoDiscover last-minute flight deals from Kansas City to San Diego. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to San Diego. Data last updated June 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:26 pm
MCI
- SAN
1 stop5h 25m
United Airlines
Mon 6/2910:25 pm
SAN
- MCI
1 stop8h 17m
United Airlines
Deal found 6/7![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 7/26:00 am
MCI
- SAN
1 stop5h 05m
United Airlines
Mon 7/610:25 pm
SAN
- MCI
1 stop8h 17m
United Airlines
Deal found 6/12![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 6/10. 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.
Fri 7/36:30 pm
MCI
- SAN
1 stop4h 35m
Southwest
Wed 7/81:15 pm
SAN
- MCI
2 stops6h 50m
Southwest
Deal found 6/10![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/35:24 pm
MCI
- SAN
2 stops8h 30m
United Airlines
Tue 7/74:07 pm
SAN
- MCI
1 stop5h 18m
United Airlines
Deal found 6/10![United Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:00 am
MCI
- SAN
1 stop5h 02m
United Airlines
Sun 7/1210:25 pm
SAN
- MCI
1 stop8h 17m
United Airlines
Deal found 6/7![United Airlines logo]()
$306
This CheapOair deal was found by Cheapflights users on 6/11. 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 7/64:32 pm
MCI
- SAN
1 stop23h 36m
Frontier
Sun 7/128:51 pm
SAN
- MCI
1 stop16h 56m
Frontier
Deal found 6/11![Frontier logo]()
$319
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:45 pm
MCI
- SAN
1 stop21h 20m
Frontier
Sun 7/128:51 pm
SAN
- MCI
1 stop16h 56m
Frontier
Deal found 6/10![Frontier logo]()
$313
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 7/153:55 pm
MCI
- SAN
1 stop5h 22m
Delta
Mon 7/2010:15 pm
SAN
- MCI
1 stop9h 29m
Delta
Deal found 6/8![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:53 pm
MCI
- SAN
1 stop6h 06m
American Airlines
Mon 7/204:23 pm
SAN
- MCI
1 stop5h 50m
American Airlines
Deal found 6/10![American Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:45 pm
MCI
- SAN
1 stop12h 06m
Frontier
Tue 7/214:12 pm
SAN
- MCI
2 stops42h 48m
Frontier
Deal found 6/7![Frontier logo]()
$315
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:53 pm
MCI
- SAN
1 stop6h 06m
American Airlines
Mon 7/204:23 pm
SAN
- MCI
1 stop5h 50m
American Airlines
Deal found 6/8![American Airlines logo]()
$303
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:45 pm
MCI
- SAN
1 stop21h 20m
Frontier
Thu 7/2310:00 am
SAN
- MCI
1 stop25h 00m
Frontier
Deal found 6/11![Frontier logo]()
$305
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 June 12, 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 June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/41:45 pm
MCI
- SAN
1 stop12h 06m
Frontier
Deal found 6/9![Frontier logo]()
$90
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:05 pm
MCI
- SAN
1 stop4h 55m
Southwest
Deal found 6/7![Southwest logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/92:17 pm
MCI
- SAN
1 stop11h 42m
Frontier
Deal found 6/11![Frontier logo]()
$94
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/56:01 pm
MCI
- SAN
1 stop7h 49m
Delta
Deal found 6/11![Delta logo]()
$109
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 9/54:04 pm
MCI
- SAN
1 stop6h 12m
Delta
Deal found 6/10![Delta logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/34:32 pm
MCI
- SAN
1 stop23h 36m
Frontier
Deal found 6/9![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:45 pm
MCI
- SAN
1 stop12h 08m
Frontier
Deal found 6/7![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/71:45 pm
MCI
- SAN
1 stop20h 57m
Frontier
Deal found 6/11![Frontier logo]()
$113
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/811:32 am
MCI
- SAN
2 stops7h 56m
United Airlines
Deal found 6/11![United Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/134:32 pm
MCI
- SAN
1 stop23h 36m
Frontier
Deal found 6/10![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/81:45 pm
MCI
- SAN
1 stop12h 06m
Frontier
Deal found 6/9![Frontier logo]()
$126
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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $275 (United Airlines) |
One-way from | $90 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $367 |
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 June 12, 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
Fri 7/31
5:42 pm-11:30 pm
1 stop7h 48m
San Diego
Mon 8/3
9:30 pm-9:19 am
1 stop9h 49m
$277
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 7/3
6:30 pm-9:05 pm
1 stop4h 35m
San Diego
Wed 7/8
1:15 pm-10:05 pm
2 stops6h 50m
$278
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Thu 7/2
3:35 pm-8:15 pm
1 stop6h 40m
San Diego
Tue 7/7
6:40 am-1:55 pm
1 stop5h 15m
$298
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Thu 6/25
8:15 pm-11:25 pm
1 stop5h 10m
San Diego
Fri 7/3
6:55 pm-1:30 am
1 stop4h 35m
$303
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Thu 8/6
7:15 pm-10:10 pm
1 stop4h 55m
San Diego
Sat 8/8
10:40 pm-9:40 am
1 stop9h 00m
$324
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 8/28
1:43 pm-5:00 pm
1 stop5h 17m
San Diego
Mon 8/31
2:24 pm-11:30 pm
2 stops7h 06m
$331
Quickest round-trip
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Tue 7/21
3:55 pm-5:10 pm
Nonstop3h 15m
San Diego
Fri 7/24
6:55 pm-1:35 am
1 stop4h 40m
$347
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 7/17
6:30 pm-7:50 pm
Nonstop3h 20m
San Diego
Wed 7/22
4:25 pm-11:15 pm
1 stop4h 50m
$357
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Fri 7/3
1:32 pm-11:54 pm
2 stops12h 22m
San Diego
Wed 7/8
8:45 am-4:22 pm
1 stop5h 37m
$372
Kansas CitySan Diego
MCI - SAN
MCISAN
Kansas City
Sun 9/6
6:00 am-11:35 am
2 stops7h 35m
San Diego
Sun 9/13
10:40 pm-8:58 am
1 stop8h 18m
$372
Showing 1-10 of 20 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 June.
| 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
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, 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 $415). 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 June 12, 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 June 12, 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.
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Overall
7.9
Entertainment
7.5
Comfort
8.0
Food
7.0
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
Coronado
La Mesa
Santee
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 June 12, 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 June 12, 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 June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$224 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$210 | Average$309 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$210 | Average$320 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$278 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$394 | FlexibilityNo cancel fee | On-time63% |