What is the cheapest airline that flies from Houston to Singapore Changi?

ZIPAIR, American Airlines, and Japan Airlines are the most popular carriers operating from Houston to Singapore Changi

What airlines fly to Singapore?

United Airlines, EVA Air and Air Canada are the top three most popular airlines that fly to Singapore from Houston according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 8 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Houston to Singapore Changi Airport?

Prices for flights from Houston to Singapore Changi Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Houston to Singapore Changi Airport?

The number of operators available for flights from Houston to Singapore Changi Airport is 8 as of December 2025.

How old do you have to be to fly from Houston to Singapore Changi Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Singapore Changi Airport.

What documentation or ID do you need to fly to Singapore Changi Airport?

The necessary travel and health documents for your Singapore Changi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$305 Cheap Flights from Houston to Singapore in 2025/26

Q: What is the typical price of a round-trip flight between Houston and Singapore?

Prices are currently low for flights on this route. Typical prices usually range from $908 to $1,129. The lowest price recently found on this route was $811.

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9:55 am - 6:55 am

IAH

SIN

31h 00m2 stops

6:35 am - 7:23 pm

SIN

IAH

26h 48m2 stops

$811Multiple Airlines

Mon, Jan 26 - Mon, Feb 2

4:13 pm - 9:55 pm

IAH

SIN

39h 42m2 stops

12:40 am - 7:25 am

SIN

IAH

20h 45m1 stop

$832Multiple Airlines

Tue, Jan 20 - Mon, Feb 2

9:25 am - 11:10 pm

IAH

SIN

23h 45m1 stop

12:40 am - 7:25 am

SIN

IAH

20h 45m1 stop

$889ZIPAIR

Tue, Jan 20 - Mon, Feb 23

9:35 am - 11:10 pm

IAH

SIN

23h 35m1 stop

12:40 am - 7:35 am

SIN

IAH

20h 55m1 stop

$890ZIPAIR

Sun, Jan 25 - Sat, Jan 31

8:00 am - 5:40 am

IAH

SIN

31h 40m2 stops

7:40 am - 11:53 pm

SIN

IAH

30h 13m2 stops

$978Cathay Pacific

Tue, Jan 20 - Tue, Feb 24

6:05 am - 5:40 am

IAH

SIN

33h 35m2 stops

8:15 pm - 11:53 pm

SIN

IAH

40h 38m2 stops

$992Cathay Pacific

Thu, Mar 5 - Mon, Mar 9

10:35 am - 6:35 am

HOU

SIN

30h 00m2 stops

8:15 am - 7:50 pm

SIN

HOU

25h 35m2 stops

$1,047American Airlines

Tue, Jan 20 - Tue, Feb 24

10:35 am - 6:35 am

HOU

SIN

30h 00m2 stops

8:15 am - 6:06 pm

SIN

HOU

23h 51m2 stops

$1,147American Airlines

Sun, Jan 25 - Sun, Feb 1

6:00 am - 5:00 am

HOU

SIN

34h 00m2 stops

10:30 pm - 4:36 pm

SIN

HOU

31h 06m2 stops

$1,219Delta

Wed, Mar 11 - Wed, Mar 18

6:00 am - 5:00 am

HOU

SIN

34h 00m2 stops

10:30 pm - 9:38 pm

SIN

HOU

36h 08m2 stops

$1,269Delta

Thu, Mar 12 - Fri, May 22

ZIPAIR flights from Houston to Singapore

Our best ZIPAIR deals on Houston to Singapore flight tickets

ZIPAIR

Jan 20

IAH9:25 amHouston George Bush Intcntl

23h 45m

1 stop

SIN11:10 pmSingapore Changi

Feb 23

SIN12:40 amSingapore Changi

20h 45m

1 stop

IAH7:25 amHouston George Bush Intcntl

$889

Find similar

ZIPAIR

Jan 25

IAH9:35 amHouston George Bush Intcntl

23h 35m

1 stop

SIN11:10 pmSingapore Changi

Jan 31

SIN12:40 amSingapore Changi

20h 55m

1 stop

IAH7:35 amHouston George Bush Intcntl

$890

Find similar

ZIPAIR

Jan 20

IAH9:25 amHouston George Bush Intcntl

23h 45m

1 stop

SIN11:10 pmSingapore Changi

Feb 23

SIN12:40 amSingapore Changi

20h 45m

1 stop

IAH7:25 amHouston George Bush Intcntl

$918

Find similar

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets

Qatar Airways

Jan 14

IAH5:45 pmHouston George Bush Intcntl

25h 00m

1 stop

SIN8:45 amSingapore Changi

Jan 24

SIN3:15 amSingapore Changi

26h 00m

1 stop

IAH3:15 pmHouston George Bush Intcntl

$1,070

Find similar

Qatar Airways

Jan 16

IAH5:45 pmHouston George Bush Intcntl

31h 10m

1 stop

SIN2:55 pmSingapore Changi

Jan 29

SIN3:15 amSingapore Changi

26h 00m

1 stop

IAH3:15 pmHouston George Bush Intcntl

$1,084

Find similar

Qatar Airways

Jan 8

IAH5:45 pmHouston George Bush Intcntl

25h 00m

1 stop

SIN8:45 amSingapore Changi

Jan 18

SIN9:20 pmSingapore Changi

31h 55m

2 stops

IAH3:15 pmHouston George Bush Intcntl

$1,458

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 1/26

9:55 am-6:55 am

2 stops31h 00m

Singapore Changi

Mon 2/2

6:35 am-7:23 pm

2 stops26h 48m

$811

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

4:13 pm-9:55 pm

2 stops39h 42m

Singapore Changi

Mon 2/2

12:40 am-7:25 am

1 stop20h 45m

$832

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

9:25 am-11:10 pm

1 stop23h 45m

Singapore Changi

Mon 2/23

12:40 am-7:25 am

1 stop20h 45m

$889

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 1/25

9:35 am-11:10 pm

1 stop23h 35m

Singapore Changi

Sat 1/31

12:40 am-7:35 am

1 stop20h 55m

$890

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

8:00 am-5:40 am

2 stops31h 40m

Singapore Changi

Tue 2/24

7:40 am-11:53 pm

2 stops30h 13m

$978

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

6:05 am-5:40 am

2 stops33h 35m

Singapore Changi

Mon 3/9

8:15 pm-11:53 pm

2 stops40h 38m

$992

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 1/20

10:35 am-6:35 am

2 stops30h 00m

Singapore Changi

Tue 2/24

8:15 am-7:50 pm

2 stops25h 35m

$1,047

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 1/25

10:35 am-6:35 am

2 stops30h 00m

Singapore Changi

Sun 2/1

8:15 am-6:06 pm

2 stops23h 51m

$1,147

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 3/11

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Wed 3/18

10:30 pm-4:36 pm

2 stops31h 06m

$1,219

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 3/12

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Fri 5/22

10:30 pm-9:38 pm

2 stops36h 08m

$1,269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Houston and Singapore?

What is the cheapest month to fly to Singapore?

The month of January is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $974. If you aren’t able to travel to Singapore during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $999.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Houston to Singapore is on a Friday when prices can be found for as low as $1,205. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,640.

What is the cheapest time of day to depart on your flight to Singapore?

In the afternoon is the cheapest time of day to fly from Houston to Singapore when you can find flight prices for as low as $1,350. Flying to Singapore in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,475 on average. Flights to Singapore from Houston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston to Singapore Changi flight route?

Fly from Houston George Bush Intcntl to Singapore Changi for the best Houston - Singapore Changi flight prices

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,165 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Houston for as low as $1,045 on momondo.

What cabin class options are available on Houston to Singapore Changi flights?

There are 2 cabin classes available to choose from on Houston to Singapore Changi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Singapore

Fastest flight time	22h 18m
Direct flights	None

The fastest flight from Houston to Singapore takes 22h 18m

There are no direct flights from Houston to Singapore. There are no popular flight routes from Houston to Singapore.

Search flight deals

How far is Houston to Singapore Changi by plane?
There are 9937.5 mi between Houston and Singapore Changi. By plane, this route typically takes 22h 18m.
When did momondo last update prices for flights from Houston to Singapore Changi Airport?
Prices for flights from Houston to Singapore Changi Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Houston to Singapore Changi Airport?
The number of operators available for flights from Houston to Singapore Changi Airport is 8 as of December 2025.
How old do you have to be to fly from Houston to Singapore Changi Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Singapore Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The necessary travel and health documents for your Singapore Changi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Singapore

Compare and see reviews for airlines that fly from Houston to Singapore with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $828	Free Cancellation	Rating 8.1 1,421 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $852	Free Cancellation	Rating 7.1 10,562 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $875	Free Cancellation	Rating 7.3 4,128 reviews	Search Turkish Airlines flights
Japan Airlines	PriceFrom $937	Free Cancellation	Rating 8.3 1,663 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $973	Free Cancellation	Rating 7.4 9,114 reviews	Search United Airlines flights
EVA Air	PriceFrom $1,053	Free Cancellation	Rating 8.4 1,304 reviews	Search EVA Air flights
Qatar Airways	PriceFrom $1,174	Free Cancellation	Rating 7.4 3,698 reviews	Search Qatar Airways flights
ZIPAIR	PriceFrom $1,178	Free Cancellation	Rating 7.4 53 reviews	Search ZIPAIR flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Singapore?

Finding the right flight to Singapore from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Singapore quick and easy, saving you time and money.

Can I find flights from Houston to Singapore with flexible booking policies on momondo?

Flights from Houston to Singapore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Singapore?

Once you have performed a search for Houston to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Singapore right now. Can momondo alert me if prices change?

Price alerts on flights to Singapore from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Houston to Singapore from $305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Singapore departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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ZIPAIR flights from Houston to Singapore

Our best ZIPAIR deals on Houston to Singapore flight tickets

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets

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Use the filters below to find and compare flights from Houston to Singapore that are best for you.

See travel insights to Singapore from

How to get the cheapest flight ticket from Houston to Singapore

What is the typical price of a round-trip flight between Houston and Singapore?

What is the cheapest month to fly to Singapore?

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Houston to Singapore is on a Friday when prices can be found for as low as $1,205. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,640.

What is the cheapest time of day to depart on your flight to Singapore?

What is the cheapest Houston to Singapore Changi flight route?

Fly from Houston George Bush Intcntl to Singapore Changi for the best Houston - Singapore Changi flight prices

How far in advance should I book a flight to Singapore?

What cabin class options are available on Houston to Singapore Changi flights?

There are 2 cabin classes available to choose from on Houston to Singapore Changi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Houston to Singapore Changi?

ZIPAIR, American Airlines, and Japan Airlines are the most popular carriers operating from Houston to Singapore Changi

What airlines fly to Singapore?

Cheap Houston to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Singapore

Fastest flight time

Direct flights

How far is Houston to Singapore Changi by plane?

When did momondo last update prices for flights from Houston to Singapore Changi Airport?

How many operators does momondo search for flights from Houston to Singapore Changi Airport?

How old do you have to be to fly from Houston to Singapore Changi Airport?

What documentation or ID do you need to fly to Singapore Changi Airport?

Best airlines flying from Houston to Singapore

Compare and see reviews for airlines that fly from Houston to Singapore with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Singapore?

Can I find flights from Houston to Singapore with flexible booking policies on momondo?

How can momondo help me find flights from Houston to Singapore?

I’m not ready to book a flight from Houston to Singapore right now. Can momondo alert me if prices change?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo