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$339+ Cheap flights from Houston to Singapore (SIN)

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
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Singapore Changi are usually found in February or January, booked 33 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap flight deals from Houston to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 septiembre 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 Changi
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One-way flight from Houston to Singapore Changi
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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 septiembre 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.
mar. 10/146:44 amIAH - SIN
2 stops27h 36mMultiple Airlines
mié. 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.
lun. 9/297:10 amIAH - SIN
2 stops27h 10mMultiple Airlines
mar. 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.
lun. 9/222:25 pmIAH - SIN
1 stop38h 30mTurkish Airlines
mar. 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.
dom. 10/59:00 pmIAH - SIN
1 stop31h 55mTurkish Airlines
vie. 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.
lun. 9/226:00 amHOU - SIN
2 stops29h 20mAmerican Airlines
mar. 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.
lun. 9/227:42 amIAH - SIN
2 stops27h 38mAmerican Airlines
mar. 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.
lun. 9/226:25 pmIAH - SIN
1 stop32h 20mQatar Airways
dom. 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.
mar. 11/1110:11 amHOU - SIN
2 stops30h 24mAmerican Airlines
jue. 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.
jue. 11/66:00 amHOU - SIN
2 stops28h 50mAmerican Airlines
lun. 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.
mar. 10/286:00 amHOU - SIN
2 stops29h 50mAmerican Airlines
mar. 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.
mar. 10/148:58 amHOU - SIN
2 stops26h 22mAmerican Airlines
jue. 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.
vie. 11/76:00 amHOU - SIN
2 stops28h 10mDelta
sáb. 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 septiembre 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

lun. 11/24

7:20 am-8:15 pm

1 stop22h 55m

Singapore Changi

lun. 12/8

10:20 pm-5:47 am

1 stop21h 27m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mar. 11/11

4:20 pm-8:00 am

2 stops25h 40m

Singapore Changi

jue. 11/20

10:10 am-5:09 pm

1 stop20h 59m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mar. 11/25

6:50 pm-8:00 am

1 stop23h 10m

Singapore Changi

mié. 12/3

10:20 pm-6:28 am

1 stop22h 08m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

lun. 10/13

6:00 am-6:25 pm

2 stops23h 25m

Singapore Changi

lun. 10/20

8:45 am-10:08 pm

1 stop26h 23m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

dom. 9/28

10:05 pm-6:25 pm

2 stops31h 20m

Singapore Changi

lun. 10/6

8:45 am-4:52 pm

1 stop21h 07m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mar. 10/28

2:32 pm-7:00 am

2 stops27h 28m

Singapore Changi

mié. 11/12

10:20 pm-5:46 am

1 stop21h 26m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mié. 12/3

5:27 am-8:15 pm

1 stop24h 48m

Singapore Changi

mar. 12/23

10:10 am-11:59 pm

2 stops27h 49m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mar. 10/14

2:20 pm-6:15 am

1 stop26h 55m

Singapore Changi

jue. 10/23

8:45 am-9:06 pm

2 stops25h 21m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mar. 11/25

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

vie. 12/5

11:40 am-1:10 pm

1 stop39h 30m

$1,030

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

jue. 3/5

5:25 am-5:00 am

2 stops33h 35m

Singapore Changi

jue. 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

How far ahead should I book a flight from Houston to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Singapore. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Houston to Singapore, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 SIN?

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 septiembre 15, 2025.

One of the essential ways to save on airfare from Houston to Singapore is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 21% on airfare.

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 septiembre 15, 2025.
Read through reviews of airlines operating flights from Houston to Singapore, such as EVA Air, Singapore Airlines, and United Airlines. Reviews also offer insight into each airline's 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.

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

    If you book a flight to Singapore from Houston, you will be flying to Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore. There are 0 flights from Houston to Changi per day from 7 different airlines.

  • 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 flying from Houston to Singapore round-trip?

    Air Canada, at $852, was found to be the cheapest airline from Houston to Singapore.Alternate airlines to your destination round-trip include Turkish Airlines and Singapore Airlines. Air Canada is currently priced 29% below the average price you’ll pay for this route.

  • 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.

  • Where are the most common layover locations when flying from Houston to Singapore?

    Most of the time, Houston to Singapore flights that have layovers will stop in San Francisco.

  • What are some popular things to do or see while on a layover in San Francisco?

    The majority of San Francisco visitors spend their time at Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium. Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium can be accessed by traveling approximately 13.0 mi, 11.6 mi, and 11.1 mi, respectively from San Francisco. Travelers can rent a car at San Francisco for an average daily rate of $58 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Houston to Singapore flights?

    Houston to Singapore flights have a layover in Manchester least often.

  • 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

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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 septiembre 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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