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$1,387+ Cheap flights from Killeen (GRK) to Singapore (SIN)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SIN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Qatar Airways deal was found by Cheapflights users on 1/26. 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 9/198:52 pm
GRK
-
SIN
2 stops35h 23m
Qatar Airways
Tue 9/223:15 am
SIN
-
GRK
2 stops29h 24m
Qatar Airways
Deal found 1/26$1,387
This Qatar Airways deal was found by Cheapflights users on 1/27. 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 5/91:08 pm
GRK
-
SIN
2 stops30h 42m
Multiple Airlines
Thu 5/143:15 am
SIN
-
GRK
2 stops28h 24m
Multiple Airlines
Deal found 1/27$1,680

Find flight deals from Killeen to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Singapore (SIN). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,680
(Qatar Airways)
Provider with most accurate pricing for Killeen Fort Hood Regional-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Singapore Changi flights.
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From Killeen Fort Hood Regional to Singapore Changi
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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 January 29, 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

Sat 5/9

1:08 pm-8:50 am

2 stops30h 42m

Singapore Changi

Thu 5/14

3:15 am-6:39 pm

2 stops28h 24m

$1,680

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • Most accurate provider: When it comes to deals on Killeen-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Singapore 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 Killeen-Singapore 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 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.

  • 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.

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