$1,660+ Cheap flights from Killeen (GRK) to Singapore
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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SIN
Jan 14 — Jan 211
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Killeen to SingaporeExplore the most affordable flight options available from Killeen to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.
Explore the most affordable flight options available from Killeen to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.
This Rumbo deal was found by Cheapflights users on 12/14. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:32 pmGRK - SIN
2 stops48h 13mQatar Airways
Tue 1/138:15 pmSIN - GRK
2 stops36h 38mQatar Airways
Deal found 12/14![Qatar Airways logo]()
$1,797
Find flight deals from Killeen to Singapore
Keep the following information in mind while searching for Killeen to Singapore flight deals. Data was last updated December 15, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Round-trip from | $1,660 (Qatar Airways) |
Cheapflights Fare Finder
Customize your flight search to find flights from Killeen to Singapore 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 December 15, 2025.
Use the filters below to find and compare flights from Killeen to Singapore that are best for you.
Fly from
Killeen
Fly to
Singapore
Route
Depart
Return
Price
KilleenSingapore
GRK - SIN
GRKSIN
Killeen Fort Hood Regional
Sun 2/1
5:00 pm-9:15 pm
2 stops38h 15m
Singapore Changi
Thu 2/5
8:15 pm-6:53 pm
2 stops36h 38m
$1,660
KilleenSingapore
GRK - SIN
GRKSIN
Killeen Fort Hood Regional
Mon 1/5
11:57 am-9:15 pm
2 stops43h 18m
Singapore Changi
Tue 1/20
8:15 pm-12:01 pm
2 stops53h 46m
$1,773
KilleenSingapore
GRK - SIN
GRKSIN
Killeen Fort Hood Regional
Mon 12/29
6:32 pm-8:45 am
2 stops48h 13m
Singapore Changi
Tue 1/13
8:15 pm-6:53 pm
2 stops36h 38m
$1,797
Best time to book a flight from Killeen to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore 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 Singapore
What is the cheapest month to book a flight from Killeen to Singapore?
Currently, September is the cheapest month in which you can book a flight from Killeen to Singapore (average of $634). Flying from Killeen to Singapore in December is currently the most expensive (average of $1,093). 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.