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

IndiGo, Delta, and American 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 58% 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.

$421 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 $1,264 to $2,395. The lowest price recently found on this route was $869.

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Find the cheapest flights from Houston to Singapore

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Cheap round-trip flights

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9:05 pm - 5:35 pm

IAH

SIN

30h 30m1 stop

10:25 am - 7:10 pm

SIN

IAH

46h 45m1 stop

$869Turkish Airlines

Tue, Jan 20 - Tue, Feb 24

9:10 pm - 5:55 pm

IAH

SIN

31h 45m1 stop

11:05 pm - 7:15 pm

SIN

IAH

33h 10m1 stop

$899Turkish Airlines

Wed, Apr 8 - Wed, Apr 15

9:05 pm - 5:35 pm

IAH

SIN

30h 30m1 stop

11:40 am - 8:10 pm

SIN

IAH

45h 30m1 stop

$905Turkish Airlines

Wed, Mar 4 - Mon, Mar 9

5:25 am - 5:00 am

HOU

SIN

33h 35m2 stops

10:40 am - 10:28 pm

SIN

HOU

48h 48m2 stops

$913Delta

Fri, Mar 6 - Fri, Mar 13

4:06 pm - 8:25 pm

IAH

SIN

38h 19m2 stops

10:30 pm - 11:37 pm

SIN

IAH

39h 07m2 stops

$913Delta

Tue, Jan 20 - Tue, Feb 24

8:00 am - 12:10 am

IAH

SIN

26h 10m2 stops

10:40 am - 11:33 pm

SIN

IAH

26h 53m2 stops

$918Multiple Airlines

Fri, Feb 6 - Fri, Feb 13

9:05 pm - 8:45 am

IAH

SIN

45h 40m1 stop

10:25 am - 7:10 pm

SIN

IAH

46h 45m1 stop

$924Turkish Airlines

Thu, Jan 22 - Sun, Feb 15

7:32 am - 12:10 am

IAH

SIN

27h 38m2 stops

10:30 pm - 1:38 pm

SIN

IAH

28h 08m2 stops

$937Multiple Airlines

Fri, Mar 20 - Sat, Apr 4

10:35 am - 6:35 am

HOU

SIN

30h 00m2 stops

8:15 am - 6:06 pm

SIN

HOU

23h 51m2 stops

$1,046American Airlines

Wed, Jan 21 - Wed, Jan 28

9:11 am - 12:20 am

HOU

SIN

26h 09m2 stops

8:05 am - 9:51 pm

SIN

HOU

26h 46m2 stops

$1,049American Airlines

Wed, Apr 8 - Wed, Apr 15

IndiGo flights from Houston to Singapore

Our best IndiGo deals on Houston to Singapore flight tickets

IndiGo

Mar 12

IAH10:05 pmHouston George Bush Intcntl

30h 15m

2 stops

SIN5:20 pmSingapore Changi

Mar 22

SIN11:15 amSingapore Changi

45h 55m

2 stops

IAH8:10 pmHouston George Bush Intcntl

$982

Find similar

IndiGo

Apr 11

IAH9:10 pmHouston George Bush Intcntl

31h 10m

2 stops

SIN5:20 pmSingapore Changi

Apr 18

SIN11:15 amSingapore Changi

45h 00m

2 stops

IAH7:15 pmHouston George Bush Intcntl

$993

Find similar

Cathay Pacific flights from Houston to Singapore

Our best Cathay Pacific deals on Houston to Singapore flight tickets

Cathay Pacific

Jan 22

IAH2:12 pmHouston George Bush Intcntl

35h 33m

2 stops

SIN3:45 pmSingapore Changi

Jan 29

SIN7:40 amSingapore Changi

29h 02m

2 stops

IAH10:42 pmHouston George Bush Intcntl

$988

Find similar

Cathay Pacific

Mar 30

IAH7:42 pmHouston George Bush Intcntl

44h 48m

2 stops

SIN5:30 amSingapore Changi

Apr 14

SIN1:50 amSingapore Changi

34h 33m

2 stops

IAH11:23 pmHouston George Bush Intcntl

$1,012

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Tue 2/24

10:25 am-7:10 pm

1 stop46h 45m

$869

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/8

9:10 pm-5:55 pm

1 stop31h 45m

Singapore Changi

Wed 4/15

11:05 pm-7:15 pm

1 stop33h 10m

$899

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 3/4

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Mon 3/9

11:40 am-8:10 pm

1 stop45h 30m

$905

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Fri 3/6

5:25 am-5:00 am

2 stops33h 35m

Singapore Changi

Fri 3/13

10:40 am-10:28 pm

2 stops48h 48m

$913

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

4:06 pm-8:25 pm

2 stops38h 19m

Singapore Changi

Tue 2/24

10:30 pm-11:37 pm

2 stops39h 07m

$913

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 2/6

8:00 am-12:10 am

2 stops26h 10m

Singapore Changi

Fri 2/13

10:40 am-11:33 pm

2 stops26h 53m

$918

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 1/22

9:05 pm-8:45 am

1 stop45h 40m

Singapore Changi

Sun 2/15

10:25 am-7:10 pm

1 stop46h 45m

$924

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 3/20

7:32 am-12:10 am

2 stops27h 38m

Singapore Changi

Sat 4/4

10:30 pm-1:38 pm

2 stops28h 08m

$937

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 1/21

10:35 am-6:35 am

2 stops30h 00m

Singapore Changi

Wed 1/28

8:15 am-6:06 pm

2 stops23h 51m

$1,046

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 4/8

9:11 am-12:20 am

2 stops26h 09m

Singapore Changi

Wed 4/15

8:05 am-9:51 pm

2 stops26h 46m

$1,049

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?

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 $1,167 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	24h 30m
Direct flights	None

The fastest flight from Houston to Singapore takes 24h 30m

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 24h 30m.
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 1,412 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $852	Free Cancellation	Rating 7.1 10,517 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $866	Free Cancellation	Rating 7.3 4,090 reviews	Search Turkish Airlines flights
Japan Airlines	PriceFrom $937	Free Cancellation	Rating 8.3 1,653 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $973	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
EVA Air	PriceFrom $1,067	Free Cancellation	Rating 8.4 1,296 reviews	Search EVA Air flights
Qatar Airways	PriceFrom $1,174	Free Cancellation	Rating 7.4 3,677 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 $421

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 1/28. 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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Cheap round-trip flights

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IndiGo flights from Houston to Singapore

Our best IndiGo deals on Houston to Singapore flight tickets

Cathay Pacific flights from Houston to Singapore

Our best Cathay Pacific 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?

IndiGo, Delta, and American 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