HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$449+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SIN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Singapore with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2025.

Round-trip from

$980
(United)

One-way from

$449
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$1,095
From Houston to Singapore
Search Deals
One-way flight from Houston to Singapore
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 28, 2025.

This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/95:00 amIAH - SIN
1 stop24h 25mUnited Airlines
Tue 4/228:40 pmSIN - IAH
2 stops28h 36mUnited Airlines
Deal found 3/27$980
This FlightHub deal was found by Cheapflights users on 3/27. 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 5/119:00 pmIAH - SIN
1 stop31h 55mTurkish Airlines
Fri 6/2010:15 amSIN - IAH
1 stop45h 50mTurkish Airlines
Deal found 3/27$981
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:35 amIAH - SIN
1 stop30h 20mANA
Sun 11/210:20 pmSIN - IAH
1 stop23h 25mANA
Deal found 3/27$997
This Fareboom deal was found by Cheapflights users on 3/27. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:30 amIAH - SIN
2 stops28h 50mMultiple Airlines
Sat 5/38:05 amSIN - IAH
2 stops27h 37mMultiple Airlines
Deal found 3/27$1,016
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Fri 11/79:35 amIAH - SIN
2 stops32h 20mAir Canada
Sat 11/2210:00 amSIN - IAH
2 stops41h 29mAir Canada
Deal found 3/27$1,022
This Justfly.com deal was found by Cheapflights users on 3/27. 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 8/276:30 amIAH - SIN
2 stops28h 10mKorean Air
Mon 9/81:10 amSIN - IAH
2 stops34h 29mKorean Air
Deal found 3/27$1,033
This Delta deal was found by Cheapflights users on 3/26. 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 25mDelta
Deal found 3/26$1,034
This American Airlines deal was found by Cheapflights users on 3/26. 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 9/16:07 amHOU - SIN
2 stops29h 13mAmerican Airlines
Sun 9/78:05 amSIN - HOU
2 stops27h 08mAmerican Airlines
Deal found 3/26$1,078
This oojo deal was found by Cheapflights users on 3/27. 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 8/261:35 amIAH - SIN
1 stop23h 15mEVA Air
Tue 9/93:10 pmSIN - IAH
1 stop20h 15mEVA Air
Deal found 3/27$1,082
This oojo deal was found by Cheapflights users on 3/27. 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 stop25h 50mQatar Airways
Tue 4/294:35 pmSIN - IAH
2 stops36h 15mQatar Airways
Deal found 3/27$1,120
This Delta deal was found by Cheapflights users on 3/26. 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.
Sat 10/255:00 pmIAH - SIN
2 stops47h 00mDelta
Tue 11/41:30 amSIN - IAH
2 stops36h 24mDelta
Deal found 3/26$1,167
This Gurufare deal was found by Cheapflights users on 3/25. 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.
Thu 8/215:00 amHOU - SIN
2 stops30h 20mJapan Airlines
Mon 8/258:05 amSIN - HOU
2 stops42h 40mJapan Airlines
Deal found 3/25$1,233

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 28, 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

Wed 4/9

5:00 am-6:25 pm

1 stop24h 25m

Singapore Changi

Tue 4/22

8:40 pm-12:16 pm

2 stops28h 36m

$980

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 5/11

9:00 pm-5:55 pm

1 stop31h 55m

Singapore Changi

Fri 6/20

10:15 am-7:05 pm

1 stop45h 50m

$981

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 9/19

11:35 am-6:40 am

1 stop30h 05m

Singapore Changi

Sun 10/12

11:05 am-8:45 am

1 stop34h 40m

$1,002

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 4/26

6:30 am-12:20 am

2 stops28h 50m

Singapore Changi

Sat 5/3

8:05 am-10:42 pm

2 stops27h 37m

$1,016

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/27

6:30 am-11:40 pm

2 stops28h 10m

Singapore Changi

Mon 9/8

1:10 am-10:39 pm

2 stops34h 29m

$1,033

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-9:35 pm

2 stops33h 25m

$1,034

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 6/9

4:30 pm-7:05 am

2 stops49h 35m

Singapore Changi

Tue 6/17

1:45 am-3:50 pm

2 stops27h 05m

$1,046

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 9/1

6:07 am-12:20 am

2 stops29h 13m

Singapore Changi

Sun 9/7

8:05 am-10:13 pm

2 stops27h 08m

$1,078

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

$1,082

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/16

6:10 pm-9:00 am

1 stop25h 50m

Singapore Changi

Tue 4/29

4:35 pm-3:50 pm

2 stops36h 15m

$1,120

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 28 results
1
2
3

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, 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 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 March 28, 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.

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 28, 2025.
Read through reviews of airlines operating flights from Houston to Singapore, such as EVA Air, Korean Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

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
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

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
1,050 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

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
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

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
829 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

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.
Delta
8.0
Very good
7,897 reviews
EVA Air
8.4
Very good
1,169 reviews

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Comfort

8.3

Overall

8.4

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

    $449 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 $561, 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, 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Houston to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Narita flights
Dallas/Fort Worth to Haneda flights
Hobby to Haneda flights
George Bush Intcntl to Haneda flights
Dallas/Fort Worth to Suvarnabhumi flights
Dallas/Fort Worth to Hyderabad flights
Hobby to Narita flights
Hobby to Ho Chi Minh City flights
Dallas/Fort Worth to Incheon Intl flights
Dallas/Fort Worth to Bangalore flights
George Bush Intcntl to Narita flights
George Bush Intcntl to Ho Chi Minh City flights
Dallas/Fort Worth to New Delhi flights
Hobby to Suvarnabhumi flights
Austin to Narita flights
Austin to Haneda flights
Love Field to Suvarnabhumi flights
Dallas/Fort Worth to Mumbai flights
Dallas/Fort Worth to Ho Chi Minh City flights
Hobby to Manila flights
George Bush Intcntl to Suvarnabhumi flights
Dallas/Fort Worth to Taiwan Taoyuan Intl flights
Love Field to Narita flights
Dallas/Fort Worth to Chennai flights
Hobby to Mumbai flights
Hobby to Incheon Intl flights
George Bush Intcntl to Manila flights
Dallas/Fort Worth to Manila flights
Dallas/Fort Worth to Hongqiao Intl flights
Dallas/Fort Worth to Denpasar flights
Dallas/Fort Worth to Kathmandu flights
George Bush Intcntl to Mumbai flights
Hobby to Karachi flights
Dallas/Fort Worth to Gimpo Intl flights
Hobby to New Delhi flights
Hobby to Hyderabad flights
San Antonio to Narita flights
Austin to Suvarnabhumi flights
George Bush Intcntl to Karachi flights
San Antonio to Haneda flights
Dallas/Fort Worth to Pu Dong flights
Love Field to Incheon Intl flights
George Bush Intcntl to Hongqiao Intl flights
Hobby to Hong Kong flights
Hobby to Hongqiao Intl flights
Hobby to Capital flights
Dallas/Fort Worth to Karachi flights
Dallas/Fort Worth to Sung Shan flights
George Bush Intcntl to Hyderabad flights
Austin to Hyderabad flights

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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$728Average$1,117FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$811Average$926FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$835Average$1,266FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$937Average$1,144FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$1,096Average$1,247FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$1,115Average$1,378FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,174Average$1,326FlexibilityNo cancel feeOn-time68%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.