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$339+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SIN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Houston to Singapore

Keep the following information in mind while searching for Houston to Singapore flight deals. Data was last updated September 15, 2025.

Round-trip from

$834
(Mytrip)

One-way from

$339
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$1,149
From Houston to Singapore
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One-way flight from Houston to Singapore
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($76 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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 10/146:44 amIAH - SIN
2 stops27h 36mMultiple Airlines
Wed 10/222:35 pmSIN - IAH
2 stops27h 45mMultiple Airlines
Deal found 9/15$839
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 9/297:10 amIAH - SIN
2 stops27h 10mMultiple Airlines
Tue 10/288:55 amSIN - IAH
2 stops33h 25mMultiple Airlines
Deal found 9/15$895
This Justfly.com deal was found by Cheapflights users on 9/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:25 pmIAH - SIN
1 stop38h 30mTurkish Airlines
Tue 10/711:10 pmSIN - IAH
1 stop26h 30mTurkish Airlines
Deal found 9/14$926
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:00 pmIAH - SIN
1 stop31h 55mTurkish Airlines
Fri 10/1010:15 amSIN - IAH
1 stop45h 50mTurkish Airlines
Deal found 9/14$944
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:00 amHOU - SIN
2 stops29h 20mAmerican Airlines
Tue 10/78:05 amSIN - HOU
2 stops27h 09mAmerican Airlines
Deal found 9/14$951
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:42 amIAH - SIN
2 stops27h 38mAmerican Airlines
Tue 10/78:05 amSIN - IAH
2 stops27h 02mAmerican Airlines
Deal found 9/14$951
This CrystalTravel deal was found by Cheapflights users on 9/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:25 pmIAH - SIN
1 stop32h 20mQatar Airways
Sun 9/283:10 amSIN - IAH
1 stop25h 40mQatar Airways
Deal found 9/15$952
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:11 amHOU - SIN
2 stops30h 24mAmerican Airlines
Thu 11/208:15 amSIN - HOU
2 stops25h 35mAmerican Airlines
Deal found 9/14$1,048
This American Airlines deal was found by Cheapflights users on 9/13. 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 11/66:00 amHOU - SIN
2 stops28h 50mAmerican Airlines
Mon 11/178:15 amSIN - HOU
2 stops26h 05mAmerican Airlines
Deal found 9/13$1,051
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/286:00 amHOU - SIN
2 stops29h 50mAmerican Airlines
Tue 11/48:15 amSIN - HOU
2 stops26h 05mAmerican Airlines
Deal found 9/13$1,052
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/148:58 amHOU - SIN
2 stops26h 22mAmerican Airlines
Thu 10/238:05 amSIN - HOU
2 stops26h 57mAmerican Airlines
Deal found 9/13$1,147
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:00 amHOU - SIN
2 stops28h 10mDelta
Sat 11/2210:30 pmSIN - HOU
2 stops28h 58mDelta
Deal found 9/14$1,319

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 September 15, 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 11/24

7:20 am-8:15 pm

1 stop22h 55m

Singapore Changi

Mon 12/8

10:20 pm-5:47 am

1 stop21h 27m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 11/11

4:20 pm-8:00 am

2 stops25h 40m

Singapore Changi

Thu 11/20

10:10 am-5:09 pm

1 stop20h 59m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 11/25

6:50 pm-8:00 am

1 stop23h 10m

Singapore Changi

Wed 12/3

10:20 pm-6:28 am

1 stop22h 08m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 10/13

6:00 am-6:25 pm

2 stops23h 25m

Singapore Changi

Mon 10/20

8:45 am-10:08 pm

1 stop26h 23m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 9/28

10:05 pm-6:25 pm

2 stops31h 20m

Singapore Changi

Mon 10/6

8:45 am-4:52 pm

1 stop21h 07m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/28

2:32 pm-7:00 am

2 stops27h 28m

Singapore Changi

Wed 11/12

10:20 pm-5:46 am

1 stop21h 26m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 12/3

5:27 am-8:15 pm

1 stop24h 48m

Singapore Changi

Tue 12/23

10:10 am-11:59 pm

2 stops27h 49m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/14

2:20 pm-6:15 am

1 stop26h 55m

Singapore Changi

Thu 10/23

8:45 am-9:06 pm

2 stops25h 21m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 11/25

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Fri 12/5

11:40 am-1:10 pm

1 stop39h 30m

$1,030

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

5:25 am-5:00 am

2 stops33h 35m

Singapore Changi

Thu 3/12

10:40 am-8:51 am

2 stops35h 11m

$1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 33 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, October is the cheapest month in which you can book a flight from Houston to Singapore (average of $1,002). Flying from Houston to Singapore in December is currently the most expensive (average of $1,665). 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 September 15, 2025.

When flying from Houston to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 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.
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Singapore Airlines
8.1
Very good
1,365 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
8,929 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Turkish Airlines
7.3
Good
3,968 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Air Canada
7.1
Good
10,000 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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 United Airlines and American Airlines fly from Houston to Singapore in about 22h 55m. The time it takes to get you to your destination can typically vary by up to 6h 55m. 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?

    $529 is the cheapest one-way deal found within the past few days, from IndiGo. You may also be able to find cheap deals on Delta and Japan Airlines, with prices starting from $593 and $611, 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, October is the cheapest month in which you can book a flight from Houston to Singapore (average of $1,002). Flying from Houston to Singapore in December is currently the most expensive (average of $1,665). 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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Top 7 airlines flying from Houston to Singapore

Discover the top 7 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$852Average$1,166FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$866Average$940FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$911Average$1,116FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$937Average$1,144FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$973Average$1,182FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$1,080Average$1,573FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,156Average$1,306FlexibilityNo cancel feeOn-time68%

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