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$423+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SIN
nov 29 — dec 61
lör 11/29
lör 12/6
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 oktober 30, 2025.

Round-trip from

$777
(Trip.com)

One-way from

$423
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,099
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. 8% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in October 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 oktober 30, 2025.

This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 11/112:05 pmIAH - SIN
2 stops33h 55mMultiple Airlines
tis 11/183:15 pmSIN - IAH
2 stops28h 48mMultiple Airlines
Deal found 10/29$777
This oojo deal was found by Cheapflights users on 10/29. 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.
tis 11/119:05 pmIAH - SIN
1 stop30h 30mTurkish Airlines
tis 11/1810:25 amSIN - IAH
1 stop40h 45mTurkish Airlines
Deal found 10/29$855
This CrystalTravel deal was found by Cheapflights users on 10/29. 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.
tis 11/115:45 pmIAH - SIN
1 stop25h 00mQatar Airways
mån 11/173:15 amSIN - IAH
1 stop26h 00mQatar Airways
Deal found 10/29$974
This Mytrip deal was found by Cheapflights users on 10/30. 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.
mån 11/245:00 amIAH - SIN
3 stops31h 45mMultiple Airlines
mån 12/110:35 pmSIN - IAH
3 stops44h 18mMultiple Airlines
Deal found 10/30$979
This FlightHub deal was found by Cheapflights users on 10/30. 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.
tors 11/279:05 pmIAH - SIN
1 stop30h 30mTurkish Airlines
tors 12/410:25 amSIN - IAH
1 stop46h 45mTurkish Airlines
Deal found 10/30$992
This American Airlines deal was found by Cheapflights users on 10/28. 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.
tis 11/1110:11 amHOU - SIN
2 stops30h 24mAmerican Airlines
mån 11/242:20 amSIN - HOU
2 stops27h 34mAmerican Airlines
Deal found 10/28$1,413
This KAYAK deal was found by Cheapflights users on 10/28. 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.
tis 11/256:00 amHOU - SIN
2 stops34h 35mJapan Airlines
mån 12/12:20 amSIN - HOU
2 stops29h 32mJapan Airlines
Deal found 10/28$1,594
This oojo deal was found by Cheapflights users on 10/28. 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.
tis 11/116:37 pmHOU - SIN
2 stops30h 18mQatar Airways
tis 11/258:15 pmSIN - HOU
2 stops35h 37mQatar Airways
Deal found 10/28$1,628
This oojo deal was found by Cheapflights users on 10/28. 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.
ons 10/292:24 pmHOU - SIN
2 stops41h 51mQatar Airways
ons 11/58:15 pmSIN - HOU
2 stops35h 37mQatar Airways
Deal found 10/28$1,740
This Travelocity deal was found by Cheapflights users on 10/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 11/256:00 amHOU - SIN
2 stops34h 35mMultiple Airlines
tis 12/211:15 pmSIN - HOU
2 stops35h 03mMultiple Airlines
Deal found 10/28$1,803
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 12/78:22 pmHOU - SIN
2 stops44h 13mJapan Airlines
sön 12/1410:25 pmSIN - HOU
2 stops27h 20mJapan Airlines
Deal found 10/30$1,804
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 12/45:44 amHOU - SIN
2 stops34h 51mJapan Airlines
tors 12/112:20 amSIN - HOU
2 stops23h 25mJapan Airlines
Deal found 10/29$1,821

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 oktober 30, 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

sön 1/11

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

lör 1/17

10:25 am-1:10 pm

1 stop40h 45m

$914

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

tis 3/10

7:52 pm-3:45 pm

2 stops30h 53m

Singapore Changi

mån 3/16

1:25 am-7:16 pm

2 stops30h 51m

$1,010

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

sön 4/19

9:10 pm-5:55 pm

1 stop31h 45m

Singapore Changi

ons 4/22

11:05 pm-7:15 pm

1 stop33h 10m

$1,016

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

ons 12/3

5:27 am-8:15 pm

1 stop24h 48m

Singapore Changi

ons 12/17

10:20 pm-12:55 pm

1 stop28h 35m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

tis 3/10

2:20 pm-8:00 am

2 stops28h 40m

Singapore Changi

tis 3/17

10:20 pm-5:42 am

1 stop20h 22m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

tors 1/8

5:25 am-8:15 pm

1 stop24h 50m

Singapore Changi

tors 1/29

10:10 am-10:48 pm

2 stops26h 38m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

lör 2/28

6:05 am-5:40 am

2 stops33h 35m

Singapore Changi

tis 3/10

1:25 am-7:16 pm

2 stops30h 51m

$1,060

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

tors 1/22

10:35 am-6:35 am

2 stops30h 00m

Singapore Changi

tis 1/27

2:20 am-4:12 pm

2 stops27h 52m

$1,064

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

lör 2/28

9:50 pm-8:15 pm

2 stops32h 25m

Singapore Changi

ons 3/11

10:10 am-10:48 pm

1 stop25h 38m

$1,079

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

lör 2/28

9:50 pm-8:15 pm

2 stops32h 25m

Singapore Changi

tors 3/12

10:20 pm-6:32 am

1 stop21h 12m

$1,079

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 36 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 October 24, 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 $856). Flying from Houston to Singapore in July is currently the most expensive (average of $1,068). 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 oktober 30, 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 13% 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 oktober 30, 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
1,267 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

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
1,267 reviews
EVA Air
8.4
Very good
1,267 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

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
1,388 reviews
EVA Air
8.4
Very good
1,267 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

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
8,998 reviews
EVA Air
8.4
Very good
1,267 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

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
4,031 reviews
EVA Air
8.4
Very good
1,267 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

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
10,381 reviews
EVA Air
8.4
Very good
1,267 reviews

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

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 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 48m. The time it takes to get you to your destination can typically vary by up to 5h 42m. 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.

  • 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 $60 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 $856). Flying from Houston to Singapore in July is currently the most expensive (average of $1,068). 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 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 oktober 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$828Average$1,083FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$852Average$1,166FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$867Average$956FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$937Average$1,144FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$973Average$1,175FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$1,080Average$1,607FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,174Average$1,491FlexibilityNo cancel feeOn-time68%
ZIPAIRCheapest$1,178Average$1,205FlexibilityNo cancel feeOn-timeN/A

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