HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$432+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SIN
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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.

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 June 16, 2025.

Round-trip from

$1,125
(United Airlines)

One-way from

$432
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$1,205
From Houston to Singapore Changi
Search Deals
One-way flight from Houston to Singapore Changi
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 16, 2025.

This United Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/315:45 amIAH - SIN
1 stop23h 40mUnited Airlines
Thu 8/78:40 pmSIN - IAH
1 stop22h 05mUnited Airlines
Deal found 6/16$1,125
This CrystalTravel deal was found by Cheapflights users on 6/16. 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.
Fri 9/52:25 pmIAH - SIN
1 stop29h 20mTurkish Airlines
Sat 9/1311:10 pmSIN - IAH
1 stop32h 55mTurkish Airlines
Deal found 6/16$1,127
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 7/1511:42 amIAH - SIN
2 stops46h 58mDelta
Mon 7/2110:30 pmSIN - IAH
2 stops50h 14mDelta
Deal found 6/14$1,133
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:00 amIAH - SIN
1 stop23h 50mEVA Air
Thu 10/233:10 pmSIN - IAH
1 stop20h 05mEVA Air
Deal found 6/15$1,138
This Air Canada deal was found by Cheapflights users on 6/16. 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.
Thu 10/234:50 pmIAH - SIN
1 stop25h 15mAir Canada
Fri 11/71:10 pmSIN - IAH
2 stops39h 58mAir Canada
Deal found 6/16$1,142
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 amIAH - SIN
2 stops29h 20mJapan Airlines
Mon 9/81:55 amSIN - IAH
2 stops27h 26mJapan Airlines
Deal found 6/14$1,143
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Tue 10/146:10 pmIAH - SIN
2 stops29h 45mQatar Airways
Wed 10/223:10 amSIN - IAH
1 stop25h 40mQatar Airways
Deal found 6/14$1,145
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 8/276:00 amHOU - SIN
2 stops29h 20mAmerican Airlines
Mon 9/81:55 amSIN - HOU
2 stops29h 09mAmerican Airlines
Deal found 6/14$1,148
This American Airlines deal was found by Cheapflights users on 6/14. 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 10/147:50 amIAH - SIN
2 stops27h 30mAmerican Airlines
Wed 10/221:55 amSIN - IAH
2 stops28h 46mAmerican Airlines
Deal found 6/14$1,148
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1411:02 pmIAH - SIN
3 stops35h 38mMultiple Airlines
Thu 10/239:00 pmSIN - IAH
3 stops40h 19mMultiple Airlines
Deal found 6/14$1,156
This FlightHub deal was found by Cheapflights users on 6/16. 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 9/17:23 pmIAH - SIN
1 stop33h 12mSingapore Airlines
Sat 2/289:00 amSIN - IAH
1 stop28h 59mSingapore Airlines
Deal found 6/16$1,160
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:27 amIAH - SIN
2 stops48h 28mKorean Air
Sat 8/301:10 amSIN - IAH
2 stops35h 04mKorean Air
Deal found 6/15$1,250

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 June 16, 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

Thu 7/31

5:45 am-6:25 pm

1 stop23h 40m

Singapore Changi

Thu 8/7

8:40 pm-5:45 am

1 stop22h 05m

$1,125

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 9/5

2:25 pm-8:45 am

1 stop29h 20m

Singapore Changi

Sat 9/13

11:10 pm-7:05 pm

1 stop32h 55m

$1,127

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 7/15

5:59 pm-11:40 pm

2 stops40h 41m

Singapore Changi

Tue 7/22

7:30 am-11:44 am

2 stops41h 14m

$1,133

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 10/13

1:00 am-1:50 pm

1 stop23h 50m

Singapore Changi

Thu 10/23

3:10 pm-10:15 pm

1 stop20h 05m

$1,138

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 10/23

4:50 pm-7:05 am

1 stop25h 15m

Singapore Changi

Fri 11/7

1:10 pm-3:08 pm

2 stops39h 58m

$1,142

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/27

6:00 am-12:20 am

2 stops29h 20m

Singapore Changi

Mon 9/8

1:55 am-4:21 pm

2 stops27h 26m

$1,143

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/14

6:10 pm-12:55 pm

2 stops29h 45m

Singapore Changi

Wed 10/22

3:10 am-3:50 pm

1 stop25h 40m

$1,145

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 8/27

6:00 am-12:20 am

2 stops29h 20m

Singapore Changi

Mon 9/8

1:55 am-6:04 pm

2 stops29h 09m

$1,148

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/14

7:50 am-12:20 am

2 stops27h 30m

Singapore Changi

Wed 10/22

1:55 am-5:41 pm

2 stops28h 46m

$1,148

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/14

11:02 pm-11:40 pm

3 stops35h 38m

Singapore Changi

Thu 10/23

9:00 pm-12:19 am

3 stops40h 19m

$1,156

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 36 results
1
2
3
4

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 June 13, 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 June 16, 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.

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 June 16, 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
1,204 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,204 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,090 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,494 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
886 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,308 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 $1,125, was found to be the cheapest airline from Houston to Singapore.Alternate airlines to your destination round-trip include Turkish Airlines and Delta. United Airlines is currently priced 7% below the average price you’ll pay for this route.

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

    $518 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Singapore Airlines and ZIPAIR, with prices starting from $557 and $572, 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 $56 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

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

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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$836Average$1,188FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$851Average$938FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$863Average$1,204FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$897Average$1,125FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$934Average$1,240FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$1,082Average$1,509FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,174Average$1,306FlexibilityNo 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.