What airlines fly to Singapore?

United Airlines, EVA Air and Singapore Airlines 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 53% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 7 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?

IndiGo, American Airlines, and Air Canada 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 7 as of September 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.

$339 Cheap Flights from Houston to Singapore in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Houston to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

7:30 am - 11:40 pmIAH-SIN

26h 10m2 stops

2:10 pm - 6:20 amSIN-IAH

30h 10m2 stops

$834

Find Deal

Thu, Nov 6 - Mon, Nov 17

7:30 am - 11:40 pmIAH-SIN

26h 10m2 stops

2:10 pm - 11:31 amSIN-IAH

35h 21m3 stops

$875

Find Deal

Thu, Nov 6 - Mon, Nov 17

9:00 pm - 8:45 amIAH-SIN

46h 45m1 stop

10:15 am - 7:05 pmSIN-IAH

45h 50m1 stop

$895Turkish Airlines

Find Deal

Tue, Oct 14 - Thu, Oct 23

9:05 pm - 5:35 pmIAH-SIN

30h 30m1 stop

10:25 am - 8:10 pmSIN-IAH

46h 45m1 stop

$926Turkish Airlines

Find Deal

Thu, Mar 5 - Thu, Mar 12

9:00 pm - 5:55 pmIAH-SIN

31h 55m1 stop

10:15 am - 7:05 pmSIN-IAH

45h 50m1 stop

$944Turkish Airlines

Find Deal

Sun, Oct 5 - Fri, Oct 10

6:25 pm - 3:45 pmIAH-SIN

32h 20m1 stop

3:10 am - 3:50 pmSIN-IAH

25h 40m1 stop

$972Qatar Airways

Find Deal

Mon, Oct 13 - Sun, Oct 19

6:25 pm - 3:45 pmIAH-SIN

32h 20m1 stop

3:10 am - 3:50 pmSIN-IAH

25h 40m1 stop

$987Qatar Airways

Find Deal

Tue, Oct 14 - Wed, Oct 22

3:37 pm - 6:15 amIAH-SIN

25h 38m1 stop

8:45 am - 8:10 pmSIN-IAH

24h 25m2 stops

$1,029United Airlines

Find Deal

Tue, Oct 14 - Thu, Oct 23

7:56 am - 6:35 amIAH-SIN

32h 39m2 stops

2:20 am - 12:40 pmSIN-IAH

24h 20m2 stops

$1,044Japan Airlines

Find Deal

Mon, Feb 16 - Mon, Feb 23

6:37 pm - 12:50 amHOU-SIN

40h 13m2 stops

8:15 am - 11:40 amSIN-HOU

41h 25m2 stops

$1,405Japan Airlines

Find Deal

Fri, Nov 7 - Sat, Nov 22

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets

Turkish Airlines

Oct 14

IAH9:00 pmHouston George Bush Intcntl

46h 45m

1 stop

SIN8:45 amSingapore Changi

Oct 23

SIN10:15 amSingapore Changi

45h 50m

1 stop

IAH7:05 pmHouston George Bush Intcntl

$895

Find similar

Turkish Airlines

Mar 5

IAH9:05 pmHouston George Bush Intcntl

30h 30m

1 stop

SIN5:35 pmSingapore Changi

Mar 12

SIN10:25 amSingapore Changi

46h 45m

1 stop

IAH8:10 pmHouston George Bush Intcntl

$926

Find similar

Turkish Airlines

Sep 22

IAH2:25 pmHouston George Bush Intcntl

38h 30m

1 stop

SIN5:55 pmSingapore Changi

Oct 7

SIN10:15 amSingapore Changi

45h 50m

1 stop

IAH7:05 pmHouston George Bush Intcntl

$931

Find similar

American Airlines flights from Houston to Singapore

Our best American Airlines deals on Houston to Singapore flight tickets

American Airlines

Sep 22

IAH6:01 amHouston George Bush Intcntl

29h 19m

2 stops

SIN12:20 amSingapore Changi

Oct 7

SIN8:05 amSingapore Changi

25h 03m

2 stops

IAH8:08 pmHouston George Bush Intcntl

$944

Find similar

American Airlines

Sep 22

HOU6:00 amHouston Hobby

29h 20m

2 stops

SIN12:20 amSingapore Changi

Oct 7

SIN8:05 amSingapore Changi

27h 09m

2 stops

HOU10:14 pmHouston Hobby

$951

Find similar

American Airlines

Sep 22

HOU9:04 amHouston Hobby

26h 16m

2 stops

SIN12:20 amSingapore Changi

Oct 7

SIN8:05 amSingapore Changi

27h 09m

2 stops

HOU10:14 pmHouston Hobby

$954

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 11/6

7:30 am-11:40 pm

2 stops26h 10m

Singapore Changi

Mon 11/17

2:10 pm-6:20 am

2 stops30h 10m

$834

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 11/6

7:30 am-11:40 pm

2 stops26h 10m

Singapore Changi

Mon 11/17

2:10 pm-11:31 am

3 stops35h 21m

$875

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/14

9:00 pm-8:45 am

1 stop46h 45m

Singapore Changi

Thu 10/23

10:15 am-7:05 pm

1 stop45h 50m

$895

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Thu 3/12

10:25 am-8:10 pm

1 stop46h 45m

$926

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 10/5

9:00 pm-5:55 pm

1 stop31h 55m

Singapore Changi

Fri 10/10

10:15 am-7:05 pm

1 stop45h 50m

$944

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 10/13

6:25 pm-3:45 pm

1 stop32h 20m

Singapore Changi

Sun 10/19

3:10 am-3:50 pm

1 stop25h 40m

$972

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/14

6:25 pm-3:45 pm

1 stop32h 20m

Singapore Changi

Wed 10/22

3:10 am-3:50 pm

1 stop25h 40m

$987

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/14

3:37 pm-6:15 am

1 stop25h 38m

Singapore Changi

Thu 10/23

8:45 am-8:10 pm

2 stops24h 25m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 2/16

7:56 am-6:35 am

2 stops32h 39m

Singapore Changi

Mon 2/23

2:20 am-12:40 pm

2 stops24h 20m

$1,044

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Fri 11/7

6:37 pm-12:50 am

2 stops40h 13m

Singapore Changi

Sat 11/22

8:15 am-11:40 am

2 stops41h 25m

$1,405

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 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?

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 $1,326. 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 $1,217 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 $1,029 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 25h 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 7 as of September 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
Air Canada	PriceFrom $852	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $866	Free Cancellation	Rating 7.3 3,968 reviews	Search Turkish Airlines flights
Singapore Airlines	PriceFrom $911	Free Cancellation	Rating 8.1 1,365 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $937	Free Cancellation	Rating 8.3 1,559 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $973	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
EVA Air	PriceFrom $1,080	Free Cancellation	Rating 8.4 1,236 reviews	Search EVA Air flights
Qatar Airways	PriceFrom $1,156	Free Cancellation	Rating 7.4 3,624 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 10/15

Wed 10/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Cheap flights from Houston to Singapore from $339

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 1/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets

American Airlines flights from Houston to Singapore

Our best American Airlines deals on Houston to Singapore flight tickets

momondo Fare Finder

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

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 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, American Airlines, and Air Canada 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