$513+ Cheap flights from Killeen to San Diego (GRK - 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SAN
Oct 27 — Nov 31
Round-trip
1 adult, Economy
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Find cheap flights from Killeen 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.Cheap flight deals from Killeen to San Diego
Cheapest
Best
Last-minute
Cheapest flights from Killeen to San DiegoExplore the most affordable flight options available from Killeen to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2026.
Explore the most affordable flight options available from Killeen to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2026.
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 10/35:00 am -
1 stop7h 25m
Sat 10/103:07 pm -
1 stop6h 29m
Deal found 9/27![American Airlines logo]()
$513
This American Airlines deal was found by Cheapflights users on 9/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:02 pm -
1 stop6h 36m
Tue 10/136:20 am -
1 stop6h 24m
Deal found 9/24![American Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:00 am -
1 stop7h 17m
Tue 12/291:09 pm -
2 stops8h 23m
Deal found 9/22![American Airlines logo]()
$575
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:00 am -
1 stop7h 17m
Fri 1/17:15 am -
1 stop5h 03m
Deal found 9/22![American Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Mon 12/2112:26 pm -
1 stop5h 14m
Sat 12/264:31 pm -
1 stop5h 01m
Deal found 9/26![American Airlines logo]()
$626
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:00 am -
1 stop7h 17m
Mon 12/283:12 pm -
1 stop6h 20m
Deal found 9/22![American Airlines logo]()
$637
This American Airlines deal was found by Cheapflights users on 9/27. 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 12/176:50 pm -
1 stop5h 44m
Sun 12/207:15 am -
1 stop5h 03m
Deal found 9/27![American Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:48 pm -
1 stop6h 23m
Wed 12/3011:07 am -
1 stop5h 04m
Deal found 9/22![American Airlines logo]()
$648
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:48 pm -
1 stop6h 23m
Sun 12/273:12 pm -
1 stop6h 20m
Deal found 9/22![American Airlines logo]()
$657
Best flights from Killeen to San DiegoDiscover carefully curated flight deals from Killeen to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
Discover carefully curated flight deals from Killeen to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:00 am -
1 stop7h 17m
Tue 12/297:15 am -
1 stop5h 03m
Deal found 9/22![American Airlines logo]()
$596
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Mon 12/2112:26 pm -
1 stop5h 14m
Sat 12/264:31 pm -
1 stop5h 01m
Deal found 9/26![American Airlines logo]()
$626
This American Airlines deal was found by Cheapflights users on 9/27. 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 12/176:50 pm -
1 stop5h 44m
Sun 12/207:15 am -
1 stop5h 03m
Deal found 9/27![American Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1912:26 pm -
2 stops11h 16m
Fri 1/11:09 pm -
2 stops8h 23m
Deal found 9/22![American Airlines logo]()
$787
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:50 pm -
1 stop6h 52m
Sun 12/274:31 pm -
1 stop5h 01m
Deal found 9/22![American Airlines logo]()
$807
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:00 am -
1 stop5h 32m
Sun 12/273:12 pm -
1 stop6h 20m
Deal found 9/22![American Airlines logo]()
$807
This American Airlines deal was found by Cheapflights users on 9/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:00 am -
2 stops7h 32m
Tue 10/131:08 pm -
2 stops8h 28m
Deal found 9/24![American Airlines logo]()
$834
Last-minute flights from Killeen to San DiegoDiscover last-minute flight deals from Killeen to San Diego. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to San Diego. Data last updated September 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 10/35:00 am -
1 stop7h 25m
Sat 10/103:07 pm -
1 stop6h 29m
Deal found 9/27![American Airlines logo]()
$513
This American Airlines deal was found by Cheapflights users on 9/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:02 pm -
1 stop6h 36m
Tue 10/136:20 am -
1 stop6h 24m
Deal found 9/24![American Airlines logo]()
$528
Find flight deals from Killeen to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) 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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $528 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Killeen 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 27, 2026.
Use the filters below to find and compare flights from Killeen to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KilleenSan Diego
GRK Killeen Fort Hood Regional - SAN San Diego
GRKSAN
Killeen Fort Hood Regional
Thu 12/24
5:00 am-10:17 am
1 stop7h 17m
San Diego
Tue 12/29
7:15 am-2:18 pm
1 stop5h 03m
$596
Quickest round-trip
KilleenSan Diego
GRK Killeen Fort Hood Regional - SAN San Diego
GRKSAN
Killeen Fort Hood Regional
Mon 12/21
12:26 pm-3:40 pm
1 stop5h 14m
San Diego
Sat 12/26
4:31 pm-11:32 pm
1 stop5h 01m
$626
KilleenSan Diego
GRK Killeen Fort Hood Regional - SAN San Diego
GRKSAN
Killeen Fort Hood Regional
Thu 12/17
6:50 pm-10:34 pm
1 stop5h 44m
San Diego
Sun 12/20
7:15 am-2:18 pm
1 stop5h 03m
$639
KilleenSan Diego
GRK Killeen Fort Hood Regional - SAN San Diego
GRKSAN
Killeen Fort Hood Regional
Sat 12/19
12:26 pm-9:42 pm
2 stops11h 16m
San Diego
Fri 1/1
1:09 pm-11:32 pm
2 stops8h 23m
$787
KilleenSan Diego
GRK Killeen Fort Hood Regional - SAN San Diego
GRKSAN
Killeen Fort Hood Regional
Mon 12/21
6:50 pm-11:42 pm
1 stop6h 52m
San Diego
Sun 12/27
4:31 pm-11:32 pm
1 stop5h 01m
$807
KilleenSan Diego
GRK Killeen Fort Hood Regional - SAN San Diego
GRKSAN
Killeen Fort Hood Regional
Sun 12/20
5:00 am-8:32 am
1 stop5h 32m
San Diego
Sun 12/27
3:12 pm-11:32 pm
1 stop6h 20m
$807
KilleenSan Diego
GRK Killeen Fort Hood Regional - SAN San Diego
GRKSAN
Killeen Fort Hood Regional
Fri 10/9
10:00 am-3:32 pm
2 stops7h 32m
San Diego
Tue 10/13
1:08 pm-11:36 pm
2 stops8h 28m
$834
Sorted by cheapest first
Compare providers for flights from Killeen 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 Killeen 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 Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Killeen-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Killeen-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 Killeen-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 Killeen to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Killeen with our price prediction graph.
GRK-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.
Related info for your journey
Find useful and relevant information for your journey from Killeen 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
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