$338+ Cheap flights from San Diego to Killeen (SAN - GRK)
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GRK
May 21 — May 281
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego to Killeen 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 San Diego to Killeen
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to KilleenExplore the most affordable flight options available from San Diego to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
Explore the most affordable flight options available from San Diego to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 21, 2026.
This American Airlines deal was found by Cheapflights users on 4/18. 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 5/83:21 pm
SAN
- GRK
1 stop6h 25m
American Airlines
Mon 5/117:13 pm
GRK
- SAN
1 stop6h 43m
American Airlines
Deal found 4/18![American Airlines logo]()
$505
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.
Wed 8/129:52 am
SAN
- GRK
1 stop7h 00m
Alaska Airlines
Sat 8/1512:37 pm
GRK
- SAN
1 stop5h 17m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$525
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 6/11:00 pm
SAN
- GRK
1 stop7h 44m
Alaska Airlines
Sat 6/610:04 am
GRK
- SAN
1 stop6h 12m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$554
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.
Sat 6/2712:45 pm
SAN
- GRK
2 stops7h 59m
American Airlines
Sun 6/287:21 pm
GRK
- SAN
1 stop5h 18m
American Airlines
Deal found 4/19![American Airlines logo]()
$566
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/272:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Sun 6/283:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$584
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.
Tue 5/121:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Sat 5/1610:05 am
GRK
- SAN
1 stop6h 11m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$591
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/257:00 am
SAN
- GRK
1 stop5h 37m
Alaska Airlines
Sat 5/303:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$592
This American Airlines deal was found by Cheapflights users on 4/16. 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 5/83:21 pm
SAN
- GRK
1 stop6h 25m
American Airlines
Sun 5/107:13 pm
GRK
- SAN
1 stop6h 43m
American Airlines
Deal found 4/16![American Airlines logo]()
$601
Best flights from San Diego to KilleenDiscover carefully curated flight deals from San Diego to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
Discover carefully curated flight deals from San Diego to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 21, 2026.
This American Airlines deal was found by Cheapflights users on 4/18. 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 5/83:21 pm
SAN
- GRK
1 stop6h 25m
American Airlines
Mon 5/117:13 pm
GRK
- SAN
1 stop6h 43m
American Airlines
Deal found 4/18![American Airlines logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 6/11:00 pm
SAN
- GRK
1 stop7h 44m
Alaska Airlines
Sat 6/610:04 am
GRK
- SAN
1 stop6h 12m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$554
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.
Sat 6/2712:45 pm
SAN
- GRK
2 stops7h 59m
American Airlines
Sun 6/287:21 pm
GRK
- SAN
1 stop5h 18m
American Airlines
Deal found 4/19![American Airlines logo]()
$566
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/272:25 pm
SAN
- GRK
1 stop6h 19m
Alaska Airlines
Sun 6/283:07 pm
GRK
- SAN
1 stop7h 22m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$584
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.
Tue 5/121:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Sat 5/1610:05 am
GRK
- SAN
1 stop6h 11m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$591
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/257:00 am
SAN
- GRK
1 stop5h 37m
Alaska Airlines
Sat 5/303:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$592
This American Airlines deal was found by Cheapflights users on 4/16. 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 5/81:16 pm
SAN
- GRK
2 stops8h 30m
American Airlines
Sun 5/103:54 pm
GRK
- SAN
2 stops8h 01m
American Airlines
Deal found 4/16![American Airlines logo]()
$717
Last-minute flights from San Diego to KilleenDiscover last-minute flight deals from San Diego to Killeen. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Killeen. Data last updated April 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/18. 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 5/83:21 pm
SAN
- GRK
1 stop6h 25m
American Airlines
Mon 5/117:13 pm
GRK
- SAN
1 stop6h 43m
American Airlines
Deal found 4/18![American Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 4/16. 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 5/83:21 pm
SAN
- GRK
1 stop6h 25m
American Airlines
Sun 5/107:13 pm
GRK
- SAN
1 stop6h 43m
American Airlines
Deal found 4/16![American Airlines logo]()
$601
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.
Tue 5/121:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Sat 5/1610:05 am
GRK
- SAN
1 stop6h 11m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$591
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/257:00 am
SAN
- GRK
1 stop5h 37m
Alaska Airlines
Sat 5/303:07 pm
GRK
- SAN
1 stop7h 17m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$592
One-way flights from San Diego to KilleenSearch for one-way flight options from San Diego to Killeen. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
Search for one-way flight options from San Diego to Killeen. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
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.
Sun 5/101:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$338
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.
Tue 5/121:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$388
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.
Mon 5/111:00 pm
SAN
- GRK
1 stop6h 52m
Alaska Airlines
Deal found 4/17![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.
Fri 5/227:00 am
SAN
- GRK
1 stop5h 37m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$657
Find flight deals from San Diego to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Killeen (GRK). 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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $505 (American Airlines) |
One-way from | $338 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Killeen 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 21, 2026.
Use the filters below to find and compare flights from San Diego to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Fri 5/8
3:21 pm-11:46 pm
1 stop6h 25m
Killeen Fort Hood Regional
Mon 5/11
7:13 pm-11:56 pm
1 stop6h 43m
$505
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Mon 6/1
1:00 pm-10:44 pm
1 stop7h 44m
Killeen Fort Hood Regional
Sat 6/6
10:04 am-2:16 pm
1 stop6h 12m
$554
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Sat 6/27
12:45 pm-10:44 pm
2 stops7h 59m
Killeen Fort Hood Regional
Sun 6/28
7:21 pm-10:39 pm
1 stop5h 18m
$566
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Sat 6/27
2:25 pm-10:44 pm
1 stop6h 19m
Killeen Fort Hood Regional
Sun 6/28
3:07 pm-8:29 pm
1 stop7h 22m
$584
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Tue 5/12
1:00 pm-9:52 pm
1 stop6h 52m
Killeen Fort Hood Regional
Sat 5/16
10:05 am-2:16 pm
1 stop6h 11m
$591
Quickest round-trip
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Mon 5/25
7:00 am-2:37 pm
1 stop5h 37m
Killeen Fort Hood Regional
Sat 5/30
3:07 pm-8:24 pm
1 stop7h 17m
$592
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Fri 5/8
1:16 pm-11:46 pm
2 stops8h 30m
Killeen Fort Hood Regional
Sun 5/10
3:54 pm-9:55 pm
2 stops8h 01m
$717
Cheapest one-way
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Sun 5/10
1:00 pm-9:52 pm
1 stop6h 52m
$338
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Tue 5/12
9:15 am-6:43 pm
1 stop7h 28m
$388
Quickest one-way
San DiegoKilleen
SAN - GRK
SANGRK
San Diego
Tue 5/26
7:00 am-2:37 pm
1 stop5h 37m
$388
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from San Diego to Killeen
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 San Diego to Killeen in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Killeen 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 San Diego-Killeen 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 San Diego to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from San Diego with our price prediction graph.
SAN-GRK
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.
Reviews of airlines servicing Killeen
Get insights into the airlines that provide service to Killeen. 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 Killeen. Reviews last updated April 21, 2026.
Peruse reviews from past customers who have flown with American Airlines from San Diego to Killeen 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.
Food
6.4
Comfort
7.2
Entertainment
6.9
Boarding
7.5
Overall
7.1
Crew
7.9
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Food
6.4
Comfort
7.2
Entertainment
6.9
Boarding
7.5
Overall
7.1
Crew
7.9
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from San Diego to Killeen. 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 Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Diego
Popular flights
Alternative routes for San Diego to Killeen
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Killeen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Killeen by cabin class
Find flights from San Diego to Killeen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Killeen flights
Browse other San Diego and Killeen flight options. Last updated on April 21, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on April 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from San Diego to Killeen
Discover the top airline that operate flights from San Diego to Killeen. 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 April 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$266 | Average$382 | FlexibilityNo cancel fee | On-time71% |