$384+ Cheap flights from Killeen to San Diego (GRK - 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SAN
Jul 2 — Jul 91
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
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Best
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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 June 2, 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 June 2, 2026.
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:54 pm
GRK
- SAN
1 stop4h 46m
American Airlines
Wed 7/294:32 pm
SAN
- GRK
1 stop5h 07m
American Airlines
Deal found 6/1![American Airlines logo]()
$653
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:06 am
GRK
- SAN
2 stops7h 20m
American Airlines
Sat 7/111:55 pm
SAN
- GRK
1 stop7h 44m
American Airlines
Deal found 5/31![American Airlines logo]()
$658
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:35 pm
GRK
- SAN
1 stop6h 08m
Alaska Airlines
Wed 11/49:26 am
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$705
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:08 pm
GRK
- SAN
1 stop6h 55m
American Airlines
Mon 7/206:20 am
SAN
- GRK
1 stop6h 18m
American Airlines
Deal found 6/1![American Airlines logo]()
$742
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 7/1710:06 am
GRK
- SAN
1 stop7h 48m
Alaska Airlines
Tue 7/212:25 pm
SAN
- GRK
1 stop6h 02m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$793
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:06 am
GRK
- SAN
1 stop7h 48m
Alaska Airlines
Wed 7/292:25 pm
SAN
- GRK
1 stop6h 02m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$820
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:04 am
GRK
- SAN
1 stop7h 50m
Alaska Airlines
Sun 7/59:52 am
SAN
- GRK
1 stop7h 02m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$843
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 June 2, 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 June 2, 2026.
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:06 am
GRK
- SAN
1 stop7h 33m
American Airlines
Sat 7/116:16 am
SAN
- GRK
1 stop6h 22m
American Airlines
Deal found 5/31![American Airlines logo]()
$653
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:35 pm
GRK
- SAN
1 stop6h 08m
Alaska Airlines
Wed 11/49:26 am
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$705
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:08 pm
GRK
- SAN
1 stop7h 21m
Alaska Airlines
Wed 8/59:52 am
SAN
- GRK
1 stop7h 00m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$705
This American Airlines deal was found by Cheapflights users on 5/29. 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 7/1612:54 pm
GRK
- SAN
1 stop4h 45m
American Airlines
Mon 7/209:41 am
SAN
- GRK
2 stops7h 13m
American Airlines
Deal found 5/29![American Airlines logo]()
$784
This American Airlines deal was found by Cheapflights users on 5/30. 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 7/36:30 am
GRK
- SAN
2 stops7h 17m
American Airlines
Mon 7/1312:20 pm
SAN
- GRK
1 stop8h 07m
American Airlines
Deal found 5/30![American Airlines logo]()
$784
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 7/1710:06 am
GRK
- SAN
1 stop7h 48m
Alaska Airlines
Tue 7/212:25 pm
SAN
- GRK
1 stop6h 02m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$793
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 6/123:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Tue 6/169:52 am
SAN
- GRK
1 stop6h 59m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$820
Last-minute flights from Killeen to San DiegoDiscover last-minute flight deals from Killeen to San Diego. Data last updated June 2, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to San Diego. Data last updated June 2, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 6/1110:04 am
GRK
- SAN
1 stop7h 50m
Alaska Airlines
Tue 6/169:52 am
SAN
- GRK
1 stop6h 59m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$820
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 6/113:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Mon 6/152:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$935
One-way flights from Killeen to San DiegoSearch for one-way flight options from Killeen to San Diego. Find affordable one-way fares based on user searches. Data last updated June 2, 2026.
Search for one-way flight options from Killeen to San Diego. Find affordable one-way fares based on user searches. Data last updated June 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 7/2110:06 am
GRK
- SAN
1 stop7h 48m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 5/28. 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.
Tue 8/412:54 pm
GRK
- SAN
2 stops10h 40m
American Airlines
Deal found 5/28![American Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 5/28. 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 8/73:05 pm
GRK
- SAN
2 stops19h 45m
American Airlines
Deal found 5/28![American Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 5/28. 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 8/89:59 am
GRK
- SAN
2 stops7h 27m
American Airlines
Deal found 5/28![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 5/28. 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 8/37:24 pm
GRK
- SAN
2 stops15h 40m
American Airlines
Deal found 5/28![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 5/28. 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 8/912:37 pm
GRK
- SAN
2 stops7h 41m
American Airlines
Deal found 5/28![American Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:08 pm
GRK
- SAN
1 stop7h 21m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/710:04 am
GRK
- SAN
1 stop6h 12m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$510
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 June 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $653 (American Airlines) |
One-way from | $384 (Alaska 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 2,558,603 searches. Data last updated June 2, 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 - SAN
GRKSAN
Killeen Fort Hood Regional
Tue 7/7
10:06 am-3:39 pm
1 stop7h 33m
San Diego
Sat 7/11
6:16 am-2:38 pm
1 stop6h 22m
$653
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Sat 10/31
12:35 pm-4:43 pm
1 stop6h 08m
San Diego
Wed 11/4
9:26 am-6:18 pm
1 stop6h 52m
$705
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Sat 8/1
3:08 pm-8:29 pm
1 stop7h 21m
San Diego
Wed 8/5
9:52 am-6:52 pm
1 stop7h 00m
$705
Quickest round-trip
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Thu 7/16
12:54 pm-3:39 pm
1 stop4h 45m
San Diego
Mon 7/20
9:41 am-6:54 pm
2 stops7h 13m
$784
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Fri 7/3
6:30 am-11:47 am
2 stops7h 17m
San Diego
Mon 7/13
12:20 pm-10:27 pm
1 stop8h 07m
$784
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Fri 7/17
10:06 am-3:54 pm
1 stop7h 48m
San Diego
Tue 7/21
2:25 pm-10:27 pm
1 stop6h 02m
$793
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Fri 6/12
3:07 pm-8:29 pm
1 stop7h 22m
San Diego
Tue 6/16
9:52 am-6:51 pm
1 stop6h 59m
$820
Cheapest one-way
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Tue 7/21
10:06 am-3:54 pm
1 stop7h 48m
$384
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Tue 8/4
12:54 pm-9:34 pm
2 stops10h 40m
$386
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Wed 8/5
3:05 pm-8:50 am
2 stops19h 45m
$386
Showing 1-10 of 15 resultsSorted 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 June.
| 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
Chula Vista
National City
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove
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