HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Killeen

$412+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — GRK
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
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 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 March 24, 2026.

This American Airlines deal was found by Cheapflights users on 3/23. 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 4/712:17 pm
SAN
-
GRK
1 stop7h 35m
American Airlines
Sat 4/115:00 am
GRK
-
SAN
1 stop7h 09m
American Airlines
Deal found 3/23$483
This American Airlines deal was found by Cheapflights users on 3/22. 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 4/27:10 am
SAN
-
GRK
1 stop6h 19m
American Airlines
Mon 4/66:33 pm
GRK
-
SAN
1 stop5h 50m
American Airlines
Deal found 3/22$569
This American Airlines deal was found by Cheapflights users on 3/23. 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 6/267:15 am
SAN
-
GRK
1 stop5h 22m
American Airlines
Sun 6/287:21 pm
GRK
-
SAN
1 stop5h 18m
American Airlines
Deal found 3/23$674

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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$483
(American Airlines)
Provider with most accurate pricing for San Diego-Killeen Fort Hood Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Killeen Fort Hood Regional flights.
Search Deals
From San Diego to Killeen Fort Hood Regional
Search Deals

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 March 24, 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

Price

Cheapest round-trip

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Tue 4/7

12:17 pm-9:52 pm

1 stop7h 35m

Killeen Fort Hood Regional

Sat 4/11

5:00 am-10:09 am

1 stop7h 09m

$483
Quickest round-trip

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Fri 6/26

7:15 am-2:37 pm

1 stop5h 22m

Killeen Fort Hood Regional

Sun 6/28

7:21 pm-10:39 pm

1 stop5h 18m

$674
Cheapest one-way
Quickest one-way

San DiegoKilleen

SAN - GRK

SANGRK

San Diego

Fri 4/3

8:00 am-3:29 pm

1 stop5h 29m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Sorted 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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 $77). Flying from San Diego to Killeen in March is currently the most expensive (average of $162). 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 March 24, 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.
American Airlines
7.1
Good
11,491 reviews

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Overall

7.1

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.1
Good
11,491 reviews
American Airlines
7.1
Good
11,491 reviews

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Overall

7.1

Crew

7.9

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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 $483, American Airlines can have you in Killeen from San Diego in 7h 35m. 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 $266.

  • 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 $77). Flying from San Diego to Killeen in March is currently the most expensive (average of $162). 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
Ontario to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Santa Ana to Dallas/Fort Worth flights
Los Angeles to Austin flights
Los Angeles to George Bush Intcntl flights
San Francisco to Hobby flights
Burbank to Dallas/Fort Worth flights
Ontario to Hobby flights
Santa Ana to Hobby flights
San Diego to Dallas/Fort Worth flights
San Francisco to Austin flights
Ontario to George Bush Intcntl flights
Las Vegas to Dallas/Fort Worth flights
San Francisco to George Bush Intcntl flights
Santa Ana to George Bush Intcntl flights
Los Angeles to San Antonio flights
San Jose to Dallas/Fort Worth flights
San Francisco to Love Field flights
Los Angeles to Love Field flights
Oakland to Dallas/Fort Worth flights
Sacramento to Dallas/Fort Worth flights
Burbank to Hobby flights
Ontario to Austin flights
San Francisco to San Antonio flights
Burbank to George Bush Intcntl flights
San Diego to Austin flights
San Diego to Hobby flights
Sacramento to Hobby flights
San Diego to George Bush Intcntl flights
Fresno to Dallas/Fort Worth flights
Santa Ana to Love Field flights
San Jose to Austin flights
Ontario to Love Field flights
San Jose to Hobby flights
Oakland to Hobby flights
Long Beach to Dallas/Fort Worth flights
Oakland to Austin flights
Las Vegas to Hobby flights
Sacramento to George Bush Intcntl flights
Las Vegas to Austin flights
Santa Ana to Austin flights
San Jose to George Bush Intcntl flights
Ontario to San Antonio flights
San Jose to Love Field flights
Oakland to George Bush Intcntl flights
Palm Springs to Dallas/Fort Worth flights
Los Angeles to El Paso flights
Las Vegas 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$266Average$382FlexibilityNo 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.