$367+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SAN
May 22 — May 291
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
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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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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 April 22, 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 April 22, 2026.
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:22 pm
GRK
- SAN
1 stop5h 08m
American Airlines
Sun 9/66:15 am
SAN
- GRK
1 stop6h 22m
American Airlines
Deal found 4/21![American Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:10 pm
GRK
- SAN
1 stop6h 15m
Alaska Airlines
Tue 11/108:05 am
SAN
- GRK
1 stop8h 13m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:54 pm
GRK
- SAN
1 stop8h 06m
American Airlines
Sun 5/174:41 pm
SAN
- GRK
1 stop5h 05m
American Airlines
Deal found 4/21![American Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:00 am
GRK
- SAN
1 stop5h 22m
American Airlines
Sun 6/216:15 am
SAN
- GRK
1 stop6h 22m
American Airlines
Deal found 4/21![American Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:00 am
GRK
- SAN
1 stop5h 15m
American Airlines
Sun 5/106:15 am
SAN
- GRK
1 stop7h 09m
American Airlines
Deal found 4/21![American Airlines logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 8/53:09 pm
GRK
- SAN
1 stop7h 20m
Alaska Airlines
Sat 8/159:52 am
SAN
- GRK
1 stop7h 00m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$535
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 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
Mon 6/152:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$541
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Mon 7/133:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Sat 7/182:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$544
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 April 22, 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 April 22, 2026.
This American Airlines deal was found by Cheapflights users on 4/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:13 pm
GRK
- SAN
1 stop6h 43m
American Airlines
Sun 5/174:41 pm
SAN
- GRK
1 stop5h 05m
American Airlines
Deal found 4/19![American Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 8/53:09 pm
GRK
- SAN
1 stop7h 20m
Alaska Airlines
Sat 8/159:52 am
SAN
- GRK
1 stop7h 00m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$535
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:00 am
GRK
- SAN
1 stop5h 12m
American Airlines
Sun 9/612:45 pm
SAN
- GRK
2 stops8h 51m
American Airlines
Deal found 4/21![American Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 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
Mon 6/152:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:00 am
GRK
- SAN
1 stop5h 22m
American Airlines
Sun 6/216:15 am
SAN
- GRK
1 stop6h 22m
American Airlines
Deal found 4/21![American Airlines logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Mon 7/133:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Sat 7/182:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:05 am
GRK
- SAN
2 stops7h 40m
American Airlines
Sun 5/101:16 pm
SAN
- GRK
2 stops8h 30m
American Airlines
Deal found 4/21![American Airlines logo]()
$553
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:54 pm
GRK
- SAN
1 stop6h 35m
Alaska Airlines
Sat 5/91:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$583
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 5/73:54 pm
GRK
- SAN
1 stop6h 35m
Alaska Airlines
Sat 5/91:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$606
This American Airlines deal was found by Cheapflights users on 4/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:00 am
GRK
- SAN
1 stop7h 09m
American Airlines
Sun 6/144:33 pm
SAN
- GRK
1 stop5h 05m
American Airlines
Deal found 4/19![American Airlines logo]()
$625
Last-minute flights from Killeen to San DiegoDiscover last-minute flight deals from Killeen to San Diego. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to San Diego. Data last updated April 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/17. 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 4/243:54 pm
GRK
- SAN
1 stop8h 06m
American Airlines
Sun 4/2612:17 pm
SAN
- GRK
1 stop7h 35m
American Airlines
Deal found 4/17![American Airlines logo]()
$622
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:54 pm
GRK
- SAN
1 stop6h 35m
Alaska Airlines
Sat 5/91:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:00 am
GRK
- SAN
1 stop5h 15m
American Airlines
Sun 5/106:15 am
SAN
- GRK
1 stop7h 09m
American Airlines
Deal found 4/21![American Airlines logo]()
$506
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 5/73:54 pm
GRK
- SAN
1 stop6h 35m
Alaska Airlines
Sat 5/91:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$606
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:54 pm
GRK
- SAN
1 stop8h 06m
American Airlines
Sun 5/174:41 pm
SAN
- GRK
1 stop5h 05m
American Airlines
Deal found 4/21![American Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:08 pm
GRK
- SAN
2 stops7h 17m
American Airlines
Mon 5/259:47 am
SAN
- GRK
2 stops7h 04m
American Airlines
Deal found 4/21![American Airlines logo]()
$742
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:54 pm
GRK
- SAN
2 stops8h 01m
American Airlines
Mon 5/251:55 pm
SAN
- GRK
1 stop7h 43m
American Airlines
Deal found 4/20![American Airlines logo]()
$712
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 April 22, 2026.
Search for one-way flight options from Killeen to San Diego. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Sat 5/1610:05 am
GRK
- SAN
1 stop6h 11m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 7/93:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 7/83:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$623
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 7/103:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$657
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 5/313:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$677
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 April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (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 April 22, 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
Fri 5/15
7:13 pm-11:56 pm
1 stop6h 43m
San Diego
Sun 5/17
4:41 pm-11:46 pm
1 stop5h 05m
$484
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Thu 9/3
5:00 am-8:12 am
1 stop5h 12m
San Diego
Sun 9/6
12:45 pm-11:36 pm
2 stops8h 51m
$489
Quickest round-trip
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Tue 6/16
5:00 am-8:22 am
1 stop5h 22m
San Diego
Sun 6/21
6:15 am-2:37 pm
1 stop6h 22m
$505
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Wed 8/5
3:09 pm-8:29 pm
1 stop7h 20m
San Diego
Sat 8/15
9:52 am-6:52 pm
1 stop7h 00m
$535
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Fri 6/12
3:07 pm-8:29 pm
1 stop7h 22m
San Diego
Mon 6/15
2:25 pm-10:44 pm
1 stop6h 19m
$541
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Mon 7/13
3:07 pm-8:29 pm
1 stop7h 22m
San Diego
Sat 7/18
2:25 pm-10:44 pm
1 stop6h 19m
$544
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Wed 5/6
10:05 am-3:45 pm
2 stops7h 40m
San Diego
Sun 5/10
1:16 pm-11:46 pm
2 stops8h 30m
$553
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Tue 5/5
3:54 pm-8:29 pm
1 stop6h 35m
San Diego
Sat 5/9
1:00 pm-9:52 pm
1 stop6h 52m
$583
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Thu 5/7
3:54 pm-8:29 pm
1 stop6h 35m
San Diego
Sat 5/9
1:00 pm-9:52 pm
1 stop6h 52m
$606
KilleenSan Diego
GRK - SAN
GRKSAN
Killeen Fort Hood Regional
Fri 6/12
5:00 am-10:09 am
1 stop7h 09m
San Diego
Sun 6/14
4:33 pm-11:38 pm
1 stop5h 05m
$625
Showing 1-10 of 13 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 April.
| 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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