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$371+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SIN
Jan 19 — Jan 261
Mon 1/19
Mon 1/26
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Singapore Changi are usually found in January or February, booked 33 days in advance, depart on a Friday or Tuesday and return on a Friday

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 20, 2025.

This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:20 pmIAH - SIN
1 stop33h 55mUnited Airlines
Wed 12/3110:10 amSIN - IAH
1 stop28h 49mUnited Airlines
Deal found 12/19$1,325
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:35 pmIAH - SIN
2 stops32h 40mUnited Airlines
Thu 1/1510:20 pmSIN - IAH
1 stop21h 25mUnited Airlines
Deal found 12/19$1,329
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:20 pmIAH - SIN
1 stop33h 55mUnited Airlines
Sun 1/1810:20 pmSIN - IAH
1 stop26h 30mUnited Airlines
Deal found 12/19$1,375
This United Airlines deal was found by Cheapflights users on 12/20. 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 12/3010:20 pmSIN - IAH
1 stop26h 42mUnited Airlines
Deal found 12/20$1,410
This United Airlines deal was found by Cheapflights users on 12/20. 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
Sun 12/2810:20 pmSIN - IAH
1 stop26h 42mUnited Airlines
Deal found 12/20$1,460
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:55 pmIAH - SIN
1 stop32h 20mUnited Airlines
Wed 1/1410:45 amSIN - IAH
1 stop35h 00mUnited Airlines
Deal found 12/18$1,470
This Cathay Pacific deal was found by Cheapflights users on 12/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:17 pmHOU - SIN
2 stops29h 38mMultiple Airlines
Thu 1/81:25 amSIN - HOU
2 stops35h 21mMultiple Airlines
Deal found 12/18$2,206
This Cathay Pacific deal was found by Cheapflights users on 12/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:17 pmHOU - SIN
2 stops30h 48mMultiple Airlines
Fri 1/97:40 amSIN - HOU
2 stops29h 06mMultiple Airlines
Deal found 12/19$2,575
This oojo deal was found by Cheapflights users on 12/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:09 pmHOU - SIN
2 stops43h 06mQatar Airways
Wed 12/318:15 pmSIN - HOU
2 stops37h 29mQatar Airways
Deal found 12/19$2,976
This oojo deal was found by Cheapflights users on 12/20. 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.
Mon 12/228:20 pmHOU - SIN
2 stops34h 55mQatar Airways
Thu 1/153:15 amSIN - HOU
2 stops28h 51mQatar Airways
Deal found 12/20$3,062
This oojo deal was found by Cheapflights users on 12/20. 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.
Fri 12/2612:09 pmHOU - SIN
2 stops30h 36mQatar Airways
Tue 1/68:15 pmSIN - HOU
2 stops35h 51mQatar Airways
Deal found 12/20$3,779
This KLM deal was found by Cheapflights users on 12/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:40 pmHOU - SIN
2 stops31h 35mKLM
Fri 1/21:40 amSIN - HOU
2 stops30h 10mKLM
Deal found 12/19$4,644

Find 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 December 20, 2025.

Round-trip from

$883
(FlightHub)

One-way from

$371
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$1,688
From Houston to Singapore Changi
Search Deals
One-way flight from Houston to Singapore Changi
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 20, 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

Tue 1/20

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Tue 2/24

5:15 am-7:10 pm

1 stop27h 55m

$938

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 2/2

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Mon 2/9

11:40 am-7:10 pm

1 stop45h 30m

$981

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

10:20 pm-5:45 am

1 stop21h 25m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

10:12 am-8:00 am

1 stop31h 48m

Singapore Changi

Mon 3/9

10:10 am-10:58 pm

1 stop25h 48m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

12:15 pm-8:00 am

1 stop29h 45m

Singapore Changi

Thu 3/12

10:20 pm-6:32 am

1 stop21h 12m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 2/8

9:50 pm-8:15 pm

2 stops32h 25m

Singapore Changi

Mon 2/16

10:10 am-8:41 pm

1 stop24h 31m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 2/25

6:12 pm-8:00 am

1 stop23h 48m

Singapore Changi

Wed 3/11

10:10 am-12:36 am

2 stops27h 26m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/12

4:32 pm-7:00 am

2 stops25h 28m

Singapore Changi

Mon 3/30

9:00 am-6:38 pm

1 stop22h 38m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 3/4

5:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Mon 3/9

10:10 am-12:36 am

2 stops27h 26m

$1,029

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 1/19

10:35 am-6:35 am

2 stops30h 00m

Singapore Changi

Tue 2/3

8:15 am-10:46 pm

2 stops28h 31m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 35 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 December 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, 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 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 December 20, 2025.

One of the essential ways to save on airfare from Houston to Singapore is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.

How much does it cost to fly round-trip from Houston to Singapore?

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 20, 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
8.5
Very good
1,298 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,298 reviews
EVA Air
8.5
Very good
1,298 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Singapore Airlines
8.1
Very good
1,414 reviews
EVA Air
8.5
Very good
1,298 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
United Airlines
7.4
Good
9,099 reviews
EVA Air
8.5
Very good
1,298 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Turkish Airlines
7.3
Good
4,108 reviews
EVA Air
8.5
Very good
1,298 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Air Canada
7.1
Good
10,549 reviews
EVA Air
8.5
Very good
1,298 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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 8 different airlines.

  • How long is the flight from Houston to Singapore?

    Airlines like Turkish Airlines, United Airlines, and American Airlines fly from Houston to Singapore in about 24h 50m. The time it takes to get you to your destination can typically vary by up to 5h 40m. 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?

    Singapore Airlines, at $828, was found to be the cheapest airline from Houston to Singapore.Alternate airlines to your destination round-trip include Air Canada and Turkish Airlines. Singapore Airlines 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?

    $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.

  • 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 $50 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, 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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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 20, 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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