Singapore

$421+ Cheap flights from Houston 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SIN
Jan 17 — Jan 241
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Cheap flight deals from Houston to Singapore

Cheapest flights from Houston to Singapore
Explore the most affordable flight options available from Houston to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This lol.travel deal was found by Cheapflights users on 12/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:25 pmIAH - SIN
1 stop23h 35mAir Canada
Sat 1/318:50 amSIN - IAH
1 stop21h 34mAir Canada
Deal found 12/16$1,444
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:50 pmIAH - SIN
2 stops29h 10mUnited Airlines
Sat 1/3110:20 pmSIN - IAH
2 stops26h 20mUnited Airlines
Deal found 12/16$1,528
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:55 pmIAH - SIN
1 stop32h 20mUnited Airlines
Thu 1/810:10 amSIN - IAH
1 stop21h 05mUnited Airlines
Deal found 12/16$1,616
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:39 amIAH - SIN
2 stops31h 21mAir Canada
Mon 9/1411:55 pmSIN - IAH
2 stops56h 46mAir Canada
Deal found 12/15$1,640
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:55 pmIAH - SIN
1 stop32h 20mUnited Airlines
Tue 1/610:20 pmSIN - IAH
1 stop21h 25mUnited Airlines
Deal found 12/16$1,684
This Mytrip deal was found by Cheapflights users on 12/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:05 amIAH - SIN
1 stop24h 40mMultiple Airlines
Mon 9/1411:05 amSIN - IAH
1 stop34h 40mMultiple Airlines
Deal found 12/15$1,723
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:30 pmIAH - SIN
1 stop26h 30mUnited Airlines
Thu 1/810:20 pmSIN - IAH
1 stop21h 25mUnited Airlines
Deal found 12/15$1,773
This Booking.com deal was found by Cheapflights users on 12/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:35 pmIAH - SIN
3 stops34h 25mMultiple Airlines
Sat 1/312:55 pmSIN - IAH
2 stops30h 40mMultiple Airlines
Deal found 12/16$1,788
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:16 pmHOU - SIN
2 stops46h 29mQatar Airways
Fri 1/98:15 pmSIN - HOU
2 stops35h 51mQatar Airways
Deal found 12/15$2,454
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:16 pmHOU - SIN
2 stops28h 39mQatar Airways
Tue 1/68:15 pmSIN - HOU
2 stops35h 51mQatar Airways
Deal found 12/15$2,704
This Qatar Airways deal was found by Cheapflights users on 12/16. 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.
Thu 12/254:17 pmHOU - SIN
2 stops32h 38mQatar Airways
Sat 1/318:15 pmSIN - HOU
2 stops29h 54mQatar Airways
Deal found 12/16$2,948
This Air France deal was found by Cheapflights users on 12/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:47 pmHOU - SIN
2 stops32h 08mMultiple Airlines
Sun 9/1312:55 amSIN - HOU
2 stops28h 28mMultiple Airlines
Deal found 12/15$3,414

Find flight deals from Houston to Singapore

Keep the following information in mind while searching for Houston to Singapore flight deals. Data was last updated December 18, 2025.

Round-trip from

$869
(FlightHub)

One-way from

$421
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,688
From Houston to Singapore
One-way flight from Houston to Singapore
Highest demand for flights based on searches. 6% potential increase in price ($86 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 18, 2025.
Use the filters below to find and compare flights from Houston to Singapore that are best for you.

Fly from

Houston

Fly to

Singapore

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 1/12

9:05 pm-8:35 am

1 stop45h 30m

Singapore Changi

Mon 1/19

11:40 am-7:10 pm

1 stop45h 30m

$998

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 4/25

5:25 pm-2:30 pm

2 stops32h 05m

Singapore Changi

Sat 5/2

7:00 am-1:39 pm

2 stops43h 39m

$1,000

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 4/11

9:10 pm-5:20 pm

2 stops31h 10m

Singapore Changi

Fri 4/17

11:15 am-7:15 pm

2 stops45h 00m

$1,001

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/13

8:00 am-6:35 am

2 stops32h 35m

Singapore Changi

Mon 1/19

2:20 am-11:49 am

2 stops23h 29m

$1,006

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 2/25

6:05 am-5:40 am

2 stops33h 35m

Singapore Changi

Tue 3/10

1:25 am-7:11 pm

2 stops30h 46m

$1,010

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 1/12

4:25 pm-8:00 am

1 stop25h 35m

Singapore Changi

Mon 1/19

10:45 am-7:45 am

1 stop35h 00m

$1,024

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 1/8

5:25 am-8:15 pm

1 stop24h 50m

Singapore Changi

Thu 1/29

10:00 am-12:59 am

1 stop28h 59m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

5:05 am-8:15 pm

1 stop25h 10m

Singapore Changi

Mon 3/9

10:10 am-8:39 pm

1 stop23h 29m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 2/2

3:02 pm-8:00 am

2 stops26h 58m

Singapore Changi

Mon 2/16

10:20 pm-5:46 am

1 stop21h 26m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

3:22 pm-8:00 am

1 stop26h 38m

Singapore Changi

Thu 3/12

10:20 pm-6:32 am

1 stop21h 12m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 40 results
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Best time to book a flight from Houston to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Houston 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 Houston to Singapore

What is the cheapest month to book a flight from Houston to Singapore?

Currently, February is the cheapest month in which you can book a flight from Houston to Singapore (average of $852). Flying from Houston to Singapore in July is currently the most expensive (average of $1,072). 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.

What is the cheapest time of day to fly from HOU to SG?

Find hourly flight availability from Houston to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from Houston to Singapore at noon. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with EVA Air, Singapore Airlines, and United Airlines from Houston to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Related info for your journey

Find useful and relevant information for your journey from Houston to Singapore. 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 Houston to Singapore?

    Airlines like Turkish Airlines, Air Canada, and IndiGo fly from Houston to Singapore in about 31h 10m. The time it takes to get you to your destination can typically vary by up to 14h 20m. The distance between Houston and Singapore is about 9917 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Houston to Singapore one-way?

    $446 is the cheapest one-way deal found within the past few days, from ZIPAIR. You may also be able to find cheap deals on United Airlines and Qatar Airways, with prices starting from $454 and $494, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston 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 Houston to Singapore?

    Currently, February is the cheapest month in which you can book a flight from Houston to Singapore (average of $852). Flying from Houston to Singapore in July is currently the most expensive (average of $1,072). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Houston to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Houston to Singapore

Discover the top 8 airlines that operate flights from Houston to Singapore. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$828Average$1,017FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$852Average$1,166FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$875Average$989FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$937Average$1,144FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$973Average$1,166FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$1,053Average$1,599FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,156Average$1,491FlexibilityNo cancel feeOn-time68%
ZIPAIRCheapest$1,178Average$1,205FlexibilityNo cancel feeOn-timeN/A

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