HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Killeen

$383+ Cheap flights from San Diego to Killeen (SAN - GRK)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GRK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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

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 September 15, 2025.

Round-trip from

$387
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$454
From San Diego to Killeen Fort Hood Regional
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from San Diego to Killeen

Cheapest flights from San Diego to Killeen
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 September 15, 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 9/247:13 amSAN - GRK
1 stop6h 57mAmerican Airlines
Sat 9/274:40 pmGRK - SAN
1 stop7h 56mAmerican Airlines
Deal found 9/15$383
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/283:14 pmSAN - GRK
1 stop5h 38mAmerican Airlines
Mon 11/35:05 amGRK - SAN
1 stop5h 29mAmerican Airlines
Deal found 9/14$387
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/2912:45 pmSAN - GRK
2 stops8h 07mAmerican Airlines
Mon 11/35:05 amGRK - SAN
1 stop5h 29mAmerican Airlines
Deal found 9/14$392
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/291:41 pmSAN - GRK
1 stop7h 11mAmerican Airlines
Sun 11/26:53 pmGRK - SAN
1 stop6h 51mAmerican Airlines
Deal found 9/14$413

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 September 15, 2025.
Use the filters below to find and compare flights from San Diego to Killeen that are best for you.

Fly from

San Diego

Fly to

Killeen

Route

Depart

Return

Price

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Thu 10/30

3:30 pm-11:50 pm

1 stop6h 20m

Killeen Fort Hood Regional

Mon 11/3

7:15 pm-10:20 pm

1 stop5h 05m

$387

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Wed 10/29

11:35 am-9:33 pm

1 stop7h 58m

Killeen Fort Hood Regional

Tue 11/4

10:47 am-2:36 pm

1 stop5h 49m

$387

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Wed 10/29

1:41 pm-9:33 pm

1 stop5h 52m

Killeen Fort Hood Regional

Wed 11/5

10:33 am-2:36 pm

1 stop6h 03m

$387

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Wed 10/29

11:35 am-9:33 pm

1 stop7h 58m

Killeen Fort Hood Regional

Mon 11/3

7:15 pm-10:20 pm

1 stop5h 05m

$387

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Thu 10/30

2:24 pm-9:54 pm

1 stop5h 30m

Killeen Fort Hood Regional

Tue 11/4

4:10 pm-10:20 pm

1 stop8h 10m

$387

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Tue 10/28

3:14 pm-10:52 pm

1 stop5h 38m

Killeen Fort Hood Regional

Mon 11/3

5:05 am-8:34 am

1 stop5h 29m

$387

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Tue 10/28

3:14 pm-10:52 pm

1 stop5h 38m

Killeen Fort Hood Regional

Wed 11/5

10:33 am-3:16 pm

2 stops6h 43m

$392

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Wed 10/29

1:41 pm-10:52 pm

1 stop7h 11m

Killeen Fort Hood Regional

Sun 11/2

6:53 pm-11:44 pm

1 stop6h 51m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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.
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 San Diego to Killeen

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Killeen (average of $316). Flying from San Diego to Killeen in December is currently the most expensive (average of $468). 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.

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 September 15, 2025.
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.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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.

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

    For as low as $387, American Airlines can have you in Killeen from San Diego in 6h 20m. The distance from San Diego to Killeen is about 1140 mi.

  • What is the cheapest airline to fly from San Diego to Killeen round-trip?

    Cheapflights users have booked flights from San Diego to Killeen round-trip from $296. This flight start at 29% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Killeen 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 San Diego to Killeen?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Killeen (average of $316). Flying from San Diego to Killeen in December is currently the most expensive (average of $468). 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 Killeen?

Book flights to Killeen if you plan to visit one of these locations
Temple
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 for San Diego to Killeen

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Los Angeles to Austin flights
Santa Ana to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
Burbank to Dallas/Fort Worth flights
San Francisco to Hobby flights
Ontario to Dallas/Fort Worth flights
Ontario to Hobby flights
San Francisco to Austin flights
San Francisco to George Bush Intcntl flights
Ontario to George Bush Intcntl flights
San Diego to Dallas/Fort Worth flights
San Diego to Austin flights
Los Angeles to Love Field flights
San Jose to Dallas/Fort Worth flights
Los Angeles to San Antonio flights
Santa Ana to Hobby flights
Oakland to Dallas/Fort Worth flights
Sacramento to Hobby flights
Sacramento to Dallas/Fort Worth flights
Burbank to Hobby flights
San Diego to Hobby flights
Ontario to Austin flights
Santa Ana to George Bush Intcntl flights
Burbank to George Bush Intcntl flights
San Jose to Hobby flights
San Francisco to Love Field flights
San Diego to George Bush Intcntl flights
Las Vegas to Dallas/Fort Worth flights
Ontario to Love Field flights
San Francisco to San Antonio flights
Sacramento to George Bush Intcntl flights
Santa Ana to Austin flights
San Jose to George Bush Intcntl flights
Santa Ana to Love Field flights
Oakland to Hobby flights
Burbank to Austin flights
Ontario to San Antonio flights
San Jose to Austin flights
Las Vegas to Austin flights
Las Vegas to Hobby flights
Burbank to Love Field flights
Las Vegas to George Bush Intcntl flights
San Diego to Love Field flights
San Jose to Love Field flights
Burbank to San Antonio flights
Los Angeles to El Paso flights
Oakland to George Bush Intcntl flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$396FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.