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$307+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SAN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 17, 2025.

Round-trip from

$307
(American Airlines)
From Killeen Fort Hood Regional to San Diego
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Find flight deals from Killeen to San Diego

Cheapest flights from Killeen to San Diego
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 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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 10/156:09 pmGRK - SAN
1 stop5h 03mAmerican Airlines
Wed 10/221:41 pmSAN - GRK
1 stop7h 11mAmerican Airlines
Deal found 9/15$307
This American Airlines deal was found by Cheapflights users on 9/15. 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 12/3110:21 amGRK - SAN
1 stop6h 13mAmerican Airlines
Wed 1/288:43 amSAN - GRK
1 stop5h 06mAmerican Airlines
Deal found 9/15$395
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/173:00 pmGRK - SAN
1 stop7h 15mAmerican Airlines
Sun 10/194:38 pmSAN - GRK
1 stop5h 12mAmerican Airlines
Deal found 9/15$425

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 September 17, 2025.
Use the filters below to find and compare flights from Killeen to San Diego that are best for you.

Fly from

Killeen

Fly to

San Diego

Route

Depart

Return

Price

KilleenSan Diego

GRK - SAN

GRKSAN

Killeen Fort Hood Regional

Wed 10/15

6:09 pm-9:12 pm

1 stop5h 03m

San Diego

Wed 10/22

1:41 pm-10:52 pm

1 stop7h 11m

$307

KilleenSan Diego

GRK - SAN

GRKSAN

Killeen Fort Hood Regional

Fri 10/17

3:00 pm-8:15 pm

1 stop7h 15m

San Diego

Sat 10/25

11:35 am-9:33 pm

1 stop7h 58m

$307

KilleenSan Diego

GRK - SAN

GRKSAN

Killeen Fort Hood Regional

Sat 2/21

10:26 am-1:37 pm

1 stop5h 11m

San Diego

Tue 2/24

7:15 am-3:49 pm

1 stop6h 34m

$387

KilleenSan Diego

GRK - SAN

GRKSAN

Killeen Fort Hood Regional

Wed 12/31

10:21 am-2:34 pm

1 stop6h 13m

San Diego

Wed 1/28

8:43 am-3:49 pm

1 stop5h 06m

$395

KilleenSan Diego

GRK - SAN

GRKSAN

Killeen Fort Hood Regional

Wed 10/15

6:09 pm-9:12 pm

1 stop5h 03m

$328

KilleenSan Diego

GRK - SAN

GRKSAN

Killeen Fort Hood Regional

Fri 10/17

3:00 pm-8:15 pm

1 stop7h 15m

$362

KilleenSan Diego

GRK - SAN

GRKSAN

Killeen Fort Hood Regional

Fri 10/17

7:42 am-1:20 pm

3 stops31h 38m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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.
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.

Cheapflights Insights

Everything you need to know about your flight from Killeen to San Diego

What is the cheapest month to book a flight from Killeen to San Diego?

Currently, August is the cheapest month in which you can book a flight from Killeen to San Diego (average of $286). Flying from Killeen to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GRK to SAN?

Find hourly flight availability from Killeen to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s optimal to fly from Killeen to San Diego in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at noon.

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.

  • How long is the flight from Killeen to San Diego?

    For as low as $307, American Airlines can have you in San Diego from Killeen in 5h 03m. Killeen and San Diego are separated by a distance of 1140 mi.

  • Can I find deals for flights from Killeen to San Diego that include hotel bookings?

    Yes. In addition to deals on Killeen to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to San Diego.

  • Can I find deals for business class flights from Killeen to San Diego?

    Yes. Cheapflights offers flight deals from Killeen to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Killeen to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Killeen to San Diego (average of $286). Flying from Killeen to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City

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