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 6 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

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

Cathay Pacific, American Airlines, and Delta are the most popular carriers operating from Houston to Singapore Changi

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 6 as of January 2026.

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.

$431 Cheap Flights from Houston to Singapore in 2026

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 $1,022 to $1,276. The lowest price recently found on this route was $960.

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4:46 pm - 5:35 pm

IAH

SIN

35h 49m

1 stop

9:00 am - 5:40 am

SIN

IAH

33h 40m

1 stop

$960Multiple Airlines

Mon, Apr 27 - Thu, Apr 30

10:06 am - 9:40 am

IAH

SIN

34h 34m

2 stops

9:00 pm - 2:31 pm

SIN

IAH

30h 31m

2 stops

$997Multiple Airlines

Sun, Apr 12 - Sat, May 16

5:00 am - 8:15 pm

IAH

SIN

25h 15m

1 stop

10:20 pm - 5:46 am

SIN

IAH

21h 26m

1 stop

$1,018United Airlines

Thu, Feb 19 - Wed, Mar 4

5:15 am - 7:00 am

IAH

SIN

35h 45m

2 stops

5:25 am - 7:25 am

SIN

IAH

40h 00m

1 stop

$1,022Multiple Airlines

Mon, Feb 23 - Mon, Mar 2

5:05 am - 8:15 pm

IAH

SIN

25h 10m

1 stop

10:20 pm - 5:46 am

SIN

IAH

20h 26m

1 stop

$1,026United Airlines

Thu, Mar 5 - Thu, Mar 12

4:20 pm - 7:15 pm

HOU

SIN

37h 55m

2 stops

8:05 pm - 11:58 pm

SIN

HOU

40h 53m

2 stops

$1,231Cathay Pacific

Tue, Mar 24 - Tue, Mar 31

6:00 am - 12:50 am

HOU

SIN

28h 50m

2 stops

8:15 am - 7:50 pm

SIN

HOU

25h 35m

2 stops

$1,246American Airlines

Tue, Feb 24 - Tue, Mar 3

6:01 am - 12:20 am

HOU

SIN

29h 19m

2 stops

8:05 am - 7:51 pm

SIN

HOU

24h 46m

2 stops

$1,346American Airlines

Sun, Apr 12 - Sat, May 16

4:21 pm - 2:55 pm

HOU

SIN

32h 34m

2 stops

8:15 pm - 7:50 pm

SIN

HOU

37h 35m

2 stops

$1,447Qatar Airways

Mon, Feb 23 - Mon, Mar 2

6:23 pm - 11:45 am

HOU

SIN

28h 22m

2 stops

8:00 am - 11:52 pm

SIN

HOU

28h 52m

2 stops

$1,450Cathay Pacific

Wed, Jul 15 - Wed, Jul 22

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets

Qatar Airways

Feb 22

IAH5:45 pmHouston George Bush Intcntl

31h 10m

1 stop

SIN2:55 pmSingapore Changi

Mar 1

SIN8:15 pmSingapore Changi

33h 00m

1 stop

IAH3:15 pmHouston George Bush Intcntl

$1,070

Qatar Airways

Mar 24

IAH6:45 pmHouston George Bush Intcntl

31h 10m

1 stop

SIN2:55 pmSingapore Changi

Apr 4

SIN7:40 pmSingapore Changi

33h 15m

1 stop

IAH3:55 pmHouston George Bush Intcntl

$1,100

Qatar Airways

Apr 2

IAH6:15 pmHouston George Bush Intcntl

35h 00m

2 stops

SIN6:15 pmSingapore Changi

Apr 11

SIN7:40 pmSingapore Changi

33h 15m

1 stop

IAH3:55 pmHouston George Bush Intcntl

$1,201

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets

Turkish Airlines

Mar 14

IAH3:55 pmHouston George Bush Intcntl

27h 50m

1 stop

SIN8:45 amSingapore Changi

Mar 27

SIN11:40 amSingapore Changi

39h 30m

1 stop

IAH2:10 pmHouston George Bush Intcntl

$1,096

Turkish Airlines

Feb 15

IAH9:05 pmHouston George Bush Intcntl

30h 30m

1 stop

SIN5:35 pmSingapore Changi

Mar 1

SIN10:15 amSingapore Changi

46h 55m

1 stop

IAH7:10 pmHouston George Bush Intcntl

$1,115

Fly from

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 4/27

4:46 pm-5:35 pm

1 stop35h 49m

Singapore Changi

Thu 4/30

9:00 am-5:40 am

1 stop33h 40m

$960

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 4/12

10:06 am-9:40 am

2 stops34h 34m

Singapore Changi

Sat 5/16

9:00 pm-2:31 pm

2 stops30h 31m

$997

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 2/19

5:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Wed 3/4

10:20 pm-5:46 am

1 stop21h 26m

$1,018

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 2/23

5:15 am-7:00 am

2 stops35h 45m

Singapore Changi

Mon 3/2

5:25 am-7:25 am

1 stop40h 00m

$1,022

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

5:05 am-8:15 pm

1 stop25h 10m

Singapore Changi

Thu 3/12

10:20 pm-5:46 am

1 stop20h 26m

$1,026

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 3/24

4:20 pm-7:15 pm

2 stops37h 55m

Singapore Changi

Tue 3/31

8:05 pm-11:58 pm

2 stops40h 53m

$1,231

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 2/24

6:00 am-12:50 am

2 stops28h 50m

Singapore Changi

Tue 3/3

8:15 am-7:50 pm

2 stops25h 35m

$1,246

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 4/12

6:01 am-12:20 am

2 stops29h 19m

Singapore Changi

Sat 5/16

8:05 am-7:51 pm

2 stops24h 46m

$1,346

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 2/23

4:21 pm-2:55 pm

2 stops32h 34m

Singapore Changi

Mon 3/2

8:15 pm-7:50 pm

2 stops37h 35m

$1,447

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 7/15

6:23 pm-11:45 am

2 stops28h 22m

Singapore Changi

Wed 7/22

8:00 am-11:52 pm

2 stops28h 52m

$1,450

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 August is also cheap. Prices for this month can be found on momondo for an average of $1,044.

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 $1,179 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 $727 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 35m
Direct flights	None

The fastest flight from Houston to Singapore takes 24h 35m

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 35m.
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 6 as of January 2026.
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
Air Canada	PriceFrom $852	Free Cancellation	Rating 7.1 10,656 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $875	Free Cancellation	Rating 7.3 4,209 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $975	Free Cancellation	Rating 7.4 9,199 reviews	Search United Airlines flights
EVA Air	PriceFrom $1,053	Free Cancellation	Rating 8.4 1,333 reviews	Search EVA Air flights
ZIPAIR	PriceFrom $1,178	Free Cancellation	Rating 7.4 54 reviews	Search ZIPAIR flights
Qatar Airways	PriceFrom $1,290	Free Cancellation	Rating 7.4 3,731 reviews	Search Qatar Airways 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 $431

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 4/18. 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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Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

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Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines 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 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?

Cathay Pacific, American Airlines, and Delta 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