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

IndiGo, Air Canada, and ZIPAIR are the most popular carriers operating from Houston to Singapore Changi

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 54% 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.

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 August 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.

$337 Cheap Flights from Houston to Singapore in 2025

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 $974 to $1,538. The lowest price recently found on this route was $863.

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Find the cheapest flights from Houston to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

7:10 am - 12:50 amIAH-SIN

28h 40m2 stops

1:25 pm - 4:30 amSIN-IAH

28h 05m2 stops

$863

Find Deal

Mon, Sep 15 - Mon, Sep 22

7:10 am - 11:20 pmIAH-SIN

27h 10m2 stops

12:20 am - 4:30 amSIN-IAH

41h 10m2 stops

$868

Find Deal

Fri, Sep 19 - Tue, Sep 23

9:00 pm - 5:55 pmIAH-SIN

31h 55m1 stop

11:10 pm - 7:05 pmSIN-IAH

32h 55m1 stop

$906Turkish Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

9:00 pm - 5:55 pmIAH-SIN

31h 55m1 stop

11:10 pm - 7:05 pmSIN-IAH

32h 55m1 stop

$917Turkish Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

10:00 am - 7:00 amIAH-SIN

56h 00m2 stops

8:50 am - 2:24 pmSIN-IAH

42h 34m2 stops

$918Air Canada

Find Deal

Sat, Oct 25 - Sun, Nov 2

2:33 pm - 7:00 amIAH-SIN

51h 27m2 stops

8:50 am - 9:39 pmSIN-IAH

26h 49m2 stops

$933Air Canada

Find Deal

Tue, Oct 28 - Tue, Nov 4

6:00 am - 6:10 amHOU-SIN

35h 10m2 stops

1:55 am - 1:54 pmSIN-HOU

24h 59m2 stops

$1,508Japan Airlines

Find Deal

Wed, Oct 1 - Tue, Oct 7

2:33 pm - 9:00 amHOU-SIN

29h 27m2 stops

6:45 pm - 8:11 pmSIN-HOU

38h 26m2 stops

$1,712Qatar Airways

Find Deal

Wed, Sep 17 - Sun, Sep 28

6:25 pm - 2:55 pmHOU-SIN

30h 30m2 stops

8:15 pm - 3:56 pmSIN-HOU

33h 41m2 stops

$1,743Qatar Airways

Find Deal

Mon, Jan 12 - Mon, Jan 26

9:04 am - 6:10 amHOU-SIN

32h 06m2 stops

9:50 pm - 2:01 pmSIN-HOU

29h 11m2 stops

$2,890Japan Airlines

Find Deal

Wed, Sep 17 - Wed, Sep 24

Delta flights from Houston to Singapore

Our best Delta deals on Houston to Singapore flight tickets

Delta

Aug 27

HOU6:34 pmHouston Hobby

45h 26m

2 stops

SIN5:00 amSingapore Changi

Sep 7

SIN1:10 amSingapore Changi

34h 24m

2 stops

HOU10:34 pmHouston Hobby

$1,139

Find similar

Delta

Oct 27

HOU6:00 amHouston Hobby

29h 10m

2 stops

SIN12:10 amSingapore Changi

Nov 24

SIN10:30 pmSingapore Changi

31h 57m

2 stops

HOU4:27 pmHouston Hobby

$1,319

Find similar

Delta

Oct 14

HOU6:44 pmHouston Hobby

39h 56m

2 stops

SIN11:40 pmSingapore Changi

Oct 22

SIN1:10 amSingapore Changi

34h 50m

2 stops

HOU11:00 pmHouston Hobby

$1,335

Find similar

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets

Qatar Airways

Aug 27

IAH6:25 pmHouston George Bush Intcntl

32h 20m

1 stop

SIN3:45 pmSingapore Changi

Sep 8

SIN3:10 amSingapore Changi

25h 40m

1 stop

IAH3:50 pmHouston George Bush Intcntl

$1,172

Find similar

Qatar Airways

Aug 25

IAH6:25 pmHouston George Bush Intcntl

25h 35m

1 stop

SIN9:00 amSingapore Changi

Sep 8

SIN3:10 amSingapore Changi

25h 40m

1 stop

IAH3:50 pmHouston George Bush Intcntl

$1,181

Find similar

Qatar Airways

Aug 27

IAH6:25 pmHouston George Bush Intcntl

29h 30m

2 stops

SIN12:55 pmSingapore Changi

Sep 7

SIN3:10 amSingapore Changi

25h 40m

1 stop

IAH3:50 pmHouston George Bush Intcntl

$1,225

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 9/15

7:10 am-12:50 am

2 stops28h 40m

Singapore Changi

Mon 9/22

1:25 pm-4:30 am

2 stops28h 05m

$863

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 9/19

7:10 am-11:20 pm

2 stops27h 10m

Singapore Changi

Tue 9/23

12:20 am-4:30 am

2 stops41h 10m

$868

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/9

9:00 pm-5:55 pm

1 stop31h 55m

Singapore Changi

Tue 9/16

11:10 pm-7:05 pm

1 stop32h 55m

$906

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/16

9:00 pm-5:55 pm

1 stop31h 55m

Singapore Changi

Tue 9/23

11:10 pm-7:05 pm

1 stop32h 55m

$917

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 10/25

10:00 am-7:00 am

2 stops56h 00m

Singapore Changi

Sun 11/2

8:50 am-2:24 pm

2 stops42h 34m

$918

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/28

2:33 pm-7:00 am

2 stops51h 27m

Singapore Changi

Tue 11/4

8:50 am-9:39 pm

2 stops26h 49m

$933

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 10/1

6:00 am-6:10 am

2 stops35h 10m

Singapore Changi

Tue 10/7

1:55 am-1:54 pm

2 stops24h 59m

$1,508

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 9/17

2:33 pm-9:00 am

2 stops29h 27m

Singapore Changi

Sun 9/28

6:45 pm-8:11 pm

2 stops38h 26m

$1,712

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 1/12

6:25 pm-2:55 pm

2 stops30h 30m

Singapore Changi

Mon 1/26

8:15 pm-3:56 pm

2 stops33h 41m

$1,743

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 9/17

9:04 am-6:10 am

2 stops32h 06m

Singapore Changi

Wed 9/24

9:50 pm-2:01 pm

2 stops29h 11m

$2,890

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 $946. 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 $1,322. 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 $1,216 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 $1,020 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

Best Price Found	$337
Fastest flight time	22h 04m
Direct flights	None
Airports in Singapore	1 airport

The best one-way flight to Singapore from Houston in the past 72 hours is $337. The best round-trip flight deal from Houston to Singapore found on momondo in the last 72 hours is $863.

The fastest flight from Houston to Singapore takes 22h 04m

There are no direct flights from Houston to Singapore. Popular non-direct routes for this connection are Houston George Bush Intcntl Airport - Singapore Changi Airport and Houston Hobby Airport - Singapore Changi Airport.

There is 1 airport near Singapore: Singapore Changi (SIN)

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 23h 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 7 as of August 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
United Airlines	PriceFrom $856	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $864	Free Cancellation	Rating 7.3 3,945 reviews	Search Turkish Airlines flights
Singapore Airlines	PriceFrom $911	Free Cancellation	Rating 8.1 1,347 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $934	Free Cancellation	Rating 7.1 9,992 reviews	Search Air Canada flights
Japan Airlines	PriceFrom $937	Free Cancellation	Rating 8.3 1,549 reviews	Search Japan Airlines flights
EVA Air	PriceFrom $1,115	Free Cancellation	Rating 8.4 1,232 reviews	Search EVA Air flights
Qatar Airways	PriceFrom $1,174	Free Cancellation	Rating 7.4 3,609 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 $337

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 9/9. 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

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Trusted and free

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Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

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Delta flights from Houston to Singapore

Our best Delta 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.

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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?

IndiGo, Air Canada, and ZIPAIR 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

Best Price Found

Fastest flight time

Direct flights

Airports in Singapore

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