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

Philippine Airlines, ZIPAIR, and IndiGo 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 59% 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 November 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.

$356 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 $1,052 to $1,217. The lowest price recently found on this route was $836.

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10:05 pm - 5:35 pmIAH-SIN

30h 30m1 stop

10:20 am - 7:15 pmSIN-IAH

45h 55m1 stop

$836Turkish Airlines

Find Deal

lun., mar. 23 - vie., abr. 3

9:05 pm - 5:35 pmIAH-SIN

30h 30m1 stop

11:25 pm - 7:10 pmSIN-IAH

33h 45m1 stop

$875Turkish Airlines

Find Deal

jue., ene. 22 - mié., ene. 28

9:05 pm - 8:45 amIAH-SIN

45h 40m1 stop

11:40 am - 7:10 pmSIN-IAH

45h 30m1 stop

$876Turkish Airlines

Find Deal

mié., ene. 14 - mié., feb. 18

5:45 pm - 2:55 pmIAH-SIN

31h 10m1 stop

3:15 am - 3:15 pmSIN-IAH

26h 00m1 stop

$1,023Qatar Airways

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lun., feb. 9 - mié., feb. 25

5:25 am - 8:15 pmIAH-SIN

24h 50m1 stop

10:10 am - 8:32 pmSIN-IAH

24h 22m1 stop

$1,024United Airlines

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jue., ene. 8 - jue., ene. 29

10:00 am - 7:05 amIAH-SIN

32h 05m2 stops

9:10 am - 1:05 pmSIN-IAH

40h 55m2 stops

$1,027Air Canada

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jue., abr. 30 - jue., may. 28

7:20 am - 8:15 pmIAH-SIN

22h 55m1 stop

10:10 am - 10:48 pmSIN-IAH

26h 38m2 stops

$1,029United Airlines

Find Deal

jue., ene. 8 - jue., ene. 29

6:10 pm - 3:45 pmIAH-SIN

32h 35m1 stop

3:10 am - 3:50 pmSIN-IAH

25h 40m1 stop

$1,031Qatar Airways

Find Deal

jue., abr. 30 - mié., may. 27

5:25 pm - 11:15 amIAH-SIN

27h 50m2 stops

9:00 pm - 4:24 pmSIN-IAH

33h 24m2 stops

$1,032Air Canada

Find Deal

dom., nov. 30 - mar., dic. 16

1:00 am - 12:00 pmIAH-SIN

22h 00m1 stop

3:10 pm - 10:20 pmSIN-IAH

20h 10m1 stop

$1,033EVA Air

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mié., abr. 29 - jue., may. 28

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets

Turkish Airlines

Mar 23

IAH10:05 pmHouston George Bush Intcntl

30h 30m

1 stop

SIN5:35 pmSingapore Changi

Apr 3

SIN10:20 amSingapore Changi

45h 55m

1 stop

IAH7:15 pmHouston George Bush Intcntl

$836

Find similar

Turkish Airlines

Jan 22

IAH9:05 pmHouston George Bush Intcntl

30h 30m

1 stop

SIN5:35 pmSingapore Changi

Jan 28

SIN11:25 pmSingapore Changi

33h 45m

1 stop

IAH7:10 pmHouston George Bush Intcntl

$875

Find similar

Turkish Airlines

Jan 14

IAH9:05 pmHouston George Bush Intcntl

45h 40m

1 stop

SIN8:45 amSingapore Changi

Feb 18

SIN11:40 amSingapore Changi

45h 30m

1 stop

IAH7:10 pmHouston George Bush Intcntl

$876

Find similar

United Airlines flights from Houston to Singapore

Our best United Airlines deals on Houston to Singapore flight tickets

United Airlines

Nov 11

IAH7:20 amHouston George Bush Intcntl

22h 55m

1 stop

SIN8:15 pmSingapore Changi

Nov 18

SIN10:10 amSingapore Changi

20h 59m

1 stop

IAH5:09 pmHouston George Bush Intcntl

$1,024

Find similar

United Airlines

Jan 8

IAH7:20 amHouston George Bush Intcntl

22h 55m

1 stop

SIN8:15 pmSingapore Changi

Jan 29

SIN10:10 amSingapore Changi

26h 38m

2 stops

IAH10:48 pmHouston George Bush Intcntl

$1,029

Find similar

United Airlines

Dec 7

IAH5:27 amHouston George Bush Intcntl

24h 48m

1 stop

SIN8:15 pmSingapore Changi

Dec 22

SIN10:20 pmSingapore Changi

26h 42m

1 stop

IAH11:02 amHouston George Bush Intcntl

$1,074

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

lun. 3/23

10:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

vie. 4/3

10:20 am-7:15 pm

1 stop45h 55m

$836

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

jue. 1/22

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

mié. 1/28

11:25 pm-7:10 pm

1 stop33h 45m

$875

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mié. 1/14

9:05 pm-8:45 am

1 stop45h 40m

Singapore Changi

mié. 2/18

11:40 am-7:10 pm

1 stop45h 30m

$876

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

lun. 2/9

5:45 pm-2:55 pm

1 stop31h 10m

Singapore Changi

mié. 2/25

3:15 am-3:15 pm

1 stop26h 00m

$1,023

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

jue. 1/8

5:25 am-8:15 pm

1 stop24h 50m

Singapore Changi

jue. 1/29

10:10 am-8:32 pm

1 stop24h 22m

$1,024

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

jue. 4/30

10:00 am-7:05 am

2 stops32h 05m

Singapore Changi

jue. 5/28

9:10 am-1:05 pm

2 stops40h 55m

$1,027

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

jue. 1/8

7:20 am-8:15 pm

1 stop22h 55m

Singapore Changi

jue. 1/29

10:10 am-10:48 pm

2 stops26h 38m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

jue. 4/30

6:10 pm-3:45 pm

1 stop32h 35m

Singapore Changi

mié. 5/27

3:10 am-3:50 pm

1 stop25h 40m

$1,031

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

dom. 11/30

5:25 pm-11:15 am

2 stops27h 50m

Singapore Changi

mar. 12/16

9:00 pm-4:24 pm

2 stops33h 24m

$1,032

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mié. 4/29

1:00 am-12:00 pm

1 stop22h 00m

Singapore Changi

jue. 5/28

3:10 pm-10:20 pm

1 stop20h 10m

$1,033

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 February is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $999. If you aren’t able to travel to Singapore during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,003.

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?

At noon is the cheapest time of day to fly from Houston to Singapore when you can find flight prices for as low as $1,331. Flying to Singapore at noon 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 $1,182 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

Direct flights	None

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 00m.
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 November 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 1,393 reviews	Search Singapore Airlines flights
Turkish Airlines	PriceFrom $845	Free Cancellation	Rating 7.3 4,031 reviews	Search Turkish Airlines flights
Air Canada	PriceFrom $852	Free Cancellation	Rating 7.1 10,415 reviews	Search Air Canada flights
Japan Airlines	PriceFrom $937	Free Cancellation	Rating 8.3 1,604 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $973	Free Cancellation	Rating 7.4 9,004 reviews	Search United Airlines flights
EVA Air	PriceFrom $1,080	Free Cancellation	Rating 8.4 1,270 reviews	Search EVA Air flights
Qatar Airways	PriceFrom $1,174	Free Cancellation	Rating 7.4 3,661 reviews	Search Qatar Airways flights
ZIPAIR	PriceFrom $1,178	Free Cancellation	Rating 7.4 52 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 $356

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 2/24. 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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Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets

United Airlines flights from Houston to Singapore

Our best United Airlines deals on Houston to Singapore flight tickets

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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

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?

Philippine Airlines, ZIPAIR, and IndiGo 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

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