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$626+ Cheap flights from Killeen (GRK) to Singapore

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SIN
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap flight deals from Killeen to Singapore

Cheapest flights from Killeen to Singapore
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 February 21, 2026.

This Qatar Airways deal was found by Cheapflights users on 2/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:59 pm
GRK
-
SIN
2 stops36h 16m
Qatar Airways
Wed 9/27:40 pm
SIN
-
GRK
2 stops36h 41m
Qatar Airways
Deal found 2/17$1,545
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 6/296:44 am
GRK
-
SIN
2 stops34h 26m
American Airlines
Mon 7/139:50 pm
SIN
-
GRK
2 stops38h 45m
American Airlines
Deal found 2/18$4,561
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 7/15:00 am
GRK
-
SIN
2 stops36h 10m
American Airlines
Mon 7/139:50 pm
SIN
-
GRK
2 stops34h 04m
American Airlines
Deal found 2/18$5,561
This Qatar Airways deal was found by Cheapflights users on 2/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:24 pm
GRK
-
SIN
2 stops31h 21m
Multiple Airlines
Tue 7/217:40 pm
SIN
-
GRK
2 stops29h 40m
Multiple Airlines
Deal found 2/19$7,034
This Qatar Airways deal was found by Cheapflights users on 2/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:06 pm
GRK
-
SIN
2 stops35h 39m
Qatar Airways
Sun 7/263:15 am
SIN
-
GRK
2 stops28h 39m
Qatar Airways
Deal found 2/19$7,695
This Qatar Airways deal was found by Cheapflights users on 2/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:07 pm
GRK
-
SIN
2 stops35h 38m
Qatar Airways
Sat 7/113:15 am
SIN
-
GRK
2 stops28h 39m
Qatar Airways
Deal found 2/18$8,760
This Qatar Airways deal was found by Cheapflights users on 2/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:24 pm
GRK
-
SIN
2 stops31h 21m
Qatar Airways
Mon 7/273:15 am
SIN
-
GRK
2 stops28h 39m
Qatar Airways
Deal found 2/19$9,314

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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$4,561
(American Airlines)

One-way from

$626
(lastminute.com)
Provider with most accurate pricing for Killeen Fort Hood Regional-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Singapore Changi flights.
Search Deals
From Killeen Fort Hood Regional to Singapore
Search Deals
One-way flight from Killeen Fort Hood Regional to Singapore
Search Deals

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 February 21, 2026.
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

Mon 7/13

7:00 am-6:10 am

2 stops34h 10m

Singapore Changi

Tue 7/28

1:55 am-2:36 pm

2 stops25h 41m

$4,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Mon 6/29

6:44 am-6:10 am

2 stops34h 26m

Singapore Changi

Mon 7/13

1:55 am-10:45 pm

2 stops33h 50m

$4,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Tue 7/14

7:00 am-6:10 am

2 stops34h 10m

Singapore Changi

Mon 7/27

1:55 am-2:36 pm

2 stops25h 41m

$4,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Mon 6/29

6:44 am-6:10 am

2 stops34h 26m

Singapore Changi

Mon 7/13

9:50 pm-11:35 pm

2 stops38h 45m

$4,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Wed 7/15

5:00 am-6:10 am

2 stops36h 10m

Singapore Changi

Wed 7/29

9:50 pm-6:54 pm

2 stops34h 04m

$4,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Tue 6/30

6:44 am-6:10 am

2 stops34h 26m

Singapore Changi

Mon 7/13

9:50 pm-6:54 pm

2 stops34h 04m

$4,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Tue 7/14

5:00 am-6:10 am

2 stops36h 10m

Singapore Changi

Tue 7/28

1:55 am-6:54 pm

2 stops29h 59m

$4,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Wed 7/1

5:00 am-6:10 am

2 stops36h 10m

Singapore Changi

Mon 7/13

1:55 am-10:45 pm

2 stops33h 50m

$5,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Wed 7/1

5:00 am-6:10 am

2 stops36h 10m

Singapore Changi

Mon 7/13

9:50 pm-6:54 pm

2 stops34h 04m

$5,561

KilleenSingapore

GRK - SIN

GRKSIN

Killeen Fort Hood Regional

Wed 7/8

7:24 pm-3:45 pm

2 stops31h 21m

Singapore Changi

Tue 7/21

7:40 pm-12:20 pm

2 stops29h 40m

$7,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 13 results
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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 $1,095). 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.

Related info for your journey

Find useful and relevant information for your journey from Killeen to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Killeen to Singapore?

    If you book a flight to Singapore from Killeen, you will be flying from Fort Hood Regional, which is the city’s only airport. Killeen Fort Hood Regional (GRK) is located 6.9 mi from the center of Killeen.

  • How long is the flight from Killeen to Singapore?

    American Airlines can get you from Killeen to Singapore in just under 34h 10m. Your travel time can differ by up to . The distance from Killeen to Singapore is about 9771 mi.

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

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

  • How can I find direct flights from Killeen to Singapore?

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

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

    Yes. Cheapflights offers flight deals from Killeen to Singapore 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 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 $1,095). 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

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