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$450+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SIN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 64 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 March 31, 2025.

Round-trip from

$976
(United Airlines)

One-way from

$450
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$1,095
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. 5% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/30. 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 5/195:00 amIAH - SIN
1 stop24h 25mUnited Airlines
Sun 6/88:45 amSIN - IAH
1 stop25h 04mUnited Airlines
Deal found 3/30$976
This Justfly.com deal was found by Cheapflights users on 3/30. 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.
Wed 9/32:25 pmIAH - SIN
1 stop38h 30mTurkish Airlines
Sun 9/710:15 amSIN - IAH
1 stop39h 25mTurkish Airlines
Deal found 3/30$990
This Flysmarter deal was found by Cheapflights users on 3/31. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:02 pmIAH - SIN
2 stops31h 23mAir Canada
Wed 5/79:00 amSIN - IAH
1 stop22h 54mAir Canada
Deal found 3/31$994
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Wed 5/710:15 amIAH - SIN
2 stops31h 35mMultiple Airlines
Tue 5/1310:35 pmSIN - IAH
1 stop22h 40mMultiple Airlines
Deal found 3/30$1,002
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 8/274:20 pmHOU - SIN
2 stops47h 40mDelta
Mon 9/81:10 amSIN - HOU
2 stops33h 30mDelta
Deal found 3/30$1,034
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 8/277:55 amIAH - SIN
2 stops32h 05mDelta
Sun 9/71:10 amSIN - IAH
2 stops44h 34mDelta
Deal found 3/30$1,034
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 9/36:00 amHOU - SIN
2 stops29h 20mAmerican Airlines
Sun 9/78:05 amSIN - HOU
2 stops25h 10mAmerican Airlines
Deal found 3/30$1,056
This Gurufare deal was found by Cheapflights users on 3/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:35 amIAH - SIN
1 stop23h 15mEVA Air
Mon 9/83:10 pmSIN - IAH
1 stop20h 15mEVA Air
Deal found 3/30$1,114
This oojo deal was found by Cheapflights users on 3/30. 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.
Wed 4/166:10 pmIAH - SIN
1 stop32h 35mQatar Airways
Tue 4/299:15 pmSIN - IAH
2 stops55h 35mQatar Airways
Deal found 3/30$1,122
This KAYAK deal was found by Cheapflights users on 3/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:26 amIAH - SIN
2 stops34h 14mANA
Sat 9/2010:10 pmSIN - IAH
1 stop23h 35mANA
Deal found 3/30$1,166
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/19:21 amIAH - SIN
2 stops31h 49mAmerican Airlines
Mon 4/71:55 amSIN - IAH
2 stops28h 41mAmerican Airlines
Deal found 3/31$1,213
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Mon 4/2810:15 amIAH - SIN
1 stop23h 45mZIPAIR
Sun 5/412:30 amSIN - IAH
1 stop20h 45mZIPAIR
Deal found 3/30$1,236

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 March 31, 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 5/19

5:00 am-6:25 pm

1 stop24h 25m

Singapore Changi

Sun 6/8

8:45 am-8:49 pm

1 stop25h 04m

$976

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 9/3

2:25 pm-5:55 pm

1 stop38h 30m

Singapore Changi

Sun 9/7

10:15 am-12:40 pm

1 stop39h 25m

$990

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 4/24

10:02 pm-6:25 pm

2 stops31h 23m

Singapore Changi

Wed 5/7

9:00 am-6:54 pm

1 stop22h 54m

$994

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 5/7

10:15 am-6:50 am

2 stops31h 35m

Singapore Changi

Tue 5/13

10:35 pm-8:15 am

1 stop22h 40m

$1,002

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 8/27

4:20 pm-5:00 am

2 stops47h 40m

Singapore Changi

Mon 9/8

1:10 am-9:40 pm

2 stops33h 30m

$1,034

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/27

7:55 am-5:00 am

2 stops32h 05m

Singapore Changi

Sun 9/7

1:10 am-8:44 am

2 stops44h 34m

$1,034

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 9/3

6:00 am-12:20 am

2 stops29h 20m

Singapore Changi

Sun 9/7

8:05 am-8:15 pm

2 stops25h 10m

$1,056

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 8/26

1:35 am-1:50 pm

1 stop23h 15m

Singapore Changi

Tue 9/9

3:10 pm-10:25 pm

1 stop20h 15m

$1,114

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/16

6:10 pm-3:45 pm

1 stop32h 35m

Singapore Changi

Tue 4/29

9:15 pm-3:50 pm

2 stops55h 35m

$1,122

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 4/21

9:50 am-11:00 pm

1 stop24h 10m

Singapore Changi

Sun 4/27

12:30 am-8:15 am

1 stop20h 45m

$1,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 39 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 March 28, 2025.

To ensure you get the cheapest price possible for a flight from Houston to Singapore, you should look to book at least 64 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, September is the cheapest month in which you can book a flight from Houston to Singapore (average of $1,011). Flying from Houston to Singapore in December is currently the most expensive (average of $1,684). 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 March 31, 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.

What is the cheapest day to fly from Houston to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Houston to Singapore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Singapore flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 March 31, 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Houston to Singapore have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,051 reviews
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
831 reviews
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Singapore Airlines
8.1
Very good
1,286 reviews
EVA Air
8.4
Very good
1,170 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

  • What are the cheapest airlines flying from Houston to Singapore round-trip?

    United Airlines, at $976, was found to be the cheapest airline from Houston to Singapore.Alternate airlines to your destination round-trip include Turkish Airlines and Air Canada. United Airlines is currently priced 20% below the average price you’ll pay for this route.

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

    $450 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from $538 and $636, 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. Taipei City sees the second most layovers for non-direct flights flying from Houston to Singapore.

  • 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 $59 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Taipei City?

    Taipei City travelers tend to visit Taipei 101, Shilin Night Market, and Raohe Street Night Market more than any other notable places. Travelers on a layover in Taipei City can visit Taipei 101, Shilin Night Market, and Raohe Street Night Market, by traveling 21.0 mi, 18.3 mi, and 21.6 mi, respectively after landing at Taipei City Taiwan Taoyuan Intl. Travelers can rent a car at Taipei City Taiwan Taoyuan Intl for an average daily rate of $83 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, September is the cheapest month in which you can book a flight from Houston to Singapore (average of $1,011). Flying from Houston to Singapore in December is currently the most expensive (average of $1,684). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$728Average$1,122FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$811Average$926FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$835Average$1,261FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$937Average$1,144FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$1,096Average$1,254FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$1,115Average$1,393FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,174Average$1,306FlexibilityNo cancel feeOn-time68%
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