$368+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SAN
Jun 9 — Jun 161
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
One-way
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 May 10, 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 May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/287:21 pm
GRK
- SAN
1 stop5h 18m
American Airlines
Wed 6/31:55 pm
SAN
- GRK
1 stop6h 49m
American Airlines
Deal found 5/8![American Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:06 am
GRK
- SAN
1 stop7h 48m
Alaska Airlines
Mon 7/202:25 pm
SAN
- GRK
1 stop6h 02m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:00 am
GRK
- SAN
1 stop5h 22m
American Airlines
Mon 6/157:15 pm
SAN
- GRK
2 stops12h 19m
American Airlines
Deal found 5/9![American Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:54 pm
GRK
- SAN
2 stops10h 40m
American Airlines
Tue 6/1612:46 pm
SAN
- GRK
2 stops8h 52m
American Airlines
Deal found 5/9![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 7/155:00 am
GRK
- SAN
1 stop5h 16m
American Airlines
Sun 7/196:20 am
SAN
- GRK
1 stop6h 18m
American Airlines
Deal found 5/8![American Airlines logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Sat 6/132:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:52 pm
GRK
- SAN
1 stop6h 07m
American Airlines
Wed 6/177:15 pm
SAN
- GRK
2 stops12h 19m
American Airlines
Deal found 5/9![American Airlines logo]()
$530
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 May 10, 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 May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/287:21 pm
GRK
- SAN
1 stop5h 18m
American Airlines
Wed 6/31:55 pm
SAN
- GRK
1 stop6h 49m
American Airlines
Deal found 5/8![American Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Tue 6/162:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Mon 6/159:52 am
SAN
- GRK
1 stop6h 59m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:21 pm
GRK
- SAN
1 stop5h 18m
American Airlines
Tue 6/912:46 pm
SAN
- GRK
2 stops8h 52m
American Airlines
Deal found 5/9![American Airlines logo]()
$472
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:06 am
GRK
- SAN
1 stop7h 48m
Alaska Airlines
Mon 7/202:25 pm
SAN
- GRK
1 stop6h 02m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Mon 6/159:52 am
SAN
- GRK
1 stop6h 59m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Sat 6/132:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$525
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Sat 6/132:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$525
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Sun 6/77:00 am
SAN
- GRK
1 stop5h 37m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$568
Last-minute flights from Killeen to San DiegoDiscover last-minute flight deals from Killeen to San Diego. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to San Diego. Data last updated May 10, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:54 pm
GRK
- SAN
1 stop6h 30m
Alaska Airlines
Mon 5/257:00 am
SAN
- GRK
1 stop5h 37m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$864
This Alaska Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:54 pm
GRK
- SAN
1 stop6h 30m
Alaska Airlines
Mon 5/251:00 pm
SAN
- GRK
1 stop7h 44m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$721
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 May 10, 2026.
Search for one-way flight options from Killeen to San Diego. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:05 am
GRK
- SAN
1 stop6h 11m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Mon 6/157:21 pm
GRK
- SAN
1 stop6h 38m
American Airlines
Deal found 5/10![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Thu 6/1812:54 pm
GRK
- SAN
2 stops7h 25m
American Airlines
Deal found 5/10![American Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/1512:44 pm
GRK
- SAN
3 stops27h 26m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$891
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Thu 6/1812:54 pm
GRK
- SAN
3 stops27h 16m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,110
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$1,603
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:04 am
GRK
- SAN
1 stop6h 12m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$1,623
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (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 2,558,603 searches. Data last updated May 10, 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
Quickest round-trip
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Thu 5/28
7:21 pm-10:39 pm
1 stop5h 18m
San Diego
Wed 6/3
1:55 pm-10:44 pm
1 stop6h 49m
$368
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Sat 6/6
3:07 pm-8:24 pm
1 stop7h 17m
San Diego
Tue 6/16
2:25 pm-10:44 pm
1 stop6h 19m
$467
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Sat 6/6
3:07 pm-8:24 pm
1 stop7h 17m
San Diego
Mon 6/15
9:52 am-6:51 pm
1 stop6h 59m
$467
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Thu 7/16
10:06 am-3:54 pm
1 stop7h 48m
San Diego
Mon 7/20
2:25 pm-10:27 pm
1 stop6h 02m
$467
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Wed 6/10
3:07 pm-8:29 pm
1 stop7h 22m
San Diego
Mon 6/15
9:52 am-6:51 pm
1 stop6h 59m
$467
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Thu 6/4
7:21 pm-10:39 pm
1 stop5h 18m
San Diego
Tue 6/9
12:46 pm-11:38 pm
2 stops8h 52m
$472
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Wed 6/10
3:07 pm-8:29 pm
1 stop7h 22m
San Diego
Sat 6/13
2:25 pm-10:44 pm
1 stop6h 19m
$525
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Tue 6/9
3:07 pm-8:24 pm
1 stop7h 17m
San Diego
Sat 6/13
2:25 pm-10:44 pm
1 stop6h 19m
$525
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Thu 6/4
3:07 pm-8:24 pm
1 stop7h 17m
San Diego
Sun 6/7
7:00 am-2:37 pm
1 stop5h 37m
$568
Cheapest one-way
Quickest one-way
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Wed 5/20
10:05 am-2:16 pm
1 stop6h 11m
$388
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 May.
| 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
Coronado
La Mesa
Poway
Julian
Lemon Grove
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