Cheap flights from Houston to Singapore from $355

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 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:33 am - 5:15 am
IAH
-
SIN
30h 42m
1 stop
Multiple Airlines Logo
8:45 pm - 5:40 am
SIN
-
IAH
21h 55m
1 stop
$859Multiple Airlines
Fri, May 1 - Sat, May 23
Air Canada Logo
5:25 pm - 5:15 am
IAH
-
SIN
22h 50m
1 stop
Air Canada Logo
7:00 am - 3:44 pm
SIN
-
IAH
21h 44m
1 stop
$944Air Canada
Thu, Apr 23 - Thu, May 7
Turkish Airlines Logo
9:05 pm - 5:55 pm
IAH
-
SIN
31h 50m
1 stop
Turkish Airlines Logo
11:10 am - 7:10 pm
SIN
-
IAH
45h 00m
1 stop
$950Turkish Airlines
Tue, Apr 21 - Wed, May 6
Air Canada Logo
5:25 pm - 5:15 am
IAH
-
SIN
22h 50m
1 stop
Air Canada Logo
7:00 am - 3:44 pm
SIN
-
IAH
21h 44m
1 stop
$956Air Canada
Thu, Apr 23 - Thu, May 7
Air Canada Logo
4:32 pm - 5:15 am
IAH
-
SIN
47h 43m
2 stops
Air Canada Logo
7:00 am - 1:24 pm
SIN
-
IAH
43h 24m
2 stops
$959Air Canada
Wed, Apr 29 - Tue, Jun 2
Air Canada Logo
4:45 pm - 5:15 am
IAH
-
SIN
23h 30m
1 stop
Air Canada Logo
7:00 am - 1:34 pm
SIN
-
IAH
43h 34m
2 stops
$967Air Canada
Thu, May 7 - Thu, May 14
Turkish Airlines Logo
9:05 pm - 8:45 am
IAH
-
SIN
46h 40m
1 stop
Turkish Airlines Logo
11:10 am - 7:10 pm
SIN
-
IAH
45h 00m
1 stop
$973Turkish Airlines
Tue, Apr 21 - Wed, May 6
American Airlines Logo
6:01 am - 12:20 am
HOU
-
SIN
29h 19m
2 stops
American Airlines Logo
1:55 am - 3:48 pm
SIN
-
HOU
26h 53m
2 stops
$1,271American Airlines
Mon, Apr 20 - Sun, Apr 26
Delta Logo
6:00 am - 5:00 am
HOU
-
SIN
34h 00m
2 stops
Delta Logo
10:00 pm - 4:09 pm
SIN
-
HOU
31h 09m
2 stops
$1,300Delta
Tue, Apr 21 - Wed, May 6
Delta Logo
5:23 pm - 5:00 am
HOU
-
SIN
46h 37m
2 stops
Delta Logo
10:00 pm - 4:28 pm
SIN
-
HOU
31h 28m
2 stops
$1,305Delta
Sun, Apr 19 - Sun, Apr 26

Cathay Pacific flights from Houston to Singapore

Our best Cathay Pacific deals on Houston to Singapore flight tickets
Cathay Pacific
Sep 6
IAH8:31 pmHouston George Bush Intcntl
35h 19m
2 stops
SIN8:50 pmSingapore Changi
Sep 14
SIN8:05 pmSingapore Changi
40h 12m
2 stops
IAH11:17 pmHouston George Bush Intcntl
$932
Cathay Pacific
Apr 22
IAH7:59 pmHouston George Bush Intcntl
26h 46m
2 stops
SIN11:45 amSingapore Changi
Apr 29
SIN9:45 amSingapore Changi
25h 44m
2 stops
IAH10:29 pmHouston George Bush Intcntl
$996
Cathay Pacific
Apr 21
IAH10:50 amHouston George Bush Intcntl
29h 40m
2 stops
SIN5:30 amSingapore Changi
May 6
SIN8:05 pmSingapore Changi
60h 06m
2 stops
IAH7:11 pmHouston George Bush Intcntl
$1,006

Delta flights from Houston to Singapore

Our best Delta deals on Houston to Singapore flight tickets
Delta
Sep 6
HOU5:35 pmHouston Hobby
46h 25m
2 stops
SIN5:00 amSingapore Changi
Sep 14
SIN10:00 pmSingapore Changi
36h 35m
2 stops
HOU9:35 pmHouston Hobby
$1,145
Delta
Apr 21
HOU6:00 amHouston Hobby
34h 00m
2 stops
SIN5:00 amSingapore Changi
May 6
SIN10:00 pmSingapore Changi
31h 09m
2 stops
HOU4:09 pmHouston Hobby
$1,300
Delta
Apr 8
HOU6:00 amHouston Hobby
48h 15m
2 stops
SIN7:15 pmSingapore Changi
Apr 14
SIN1:25 amSingapore Changi
34h 43m
2 stops
HOU11:08 pmHouston Hobby
$1,350

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Houston to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 5/1

9:33 am-5:15 am

1 stop30h 42m

Singapore Changi

Sat 5/23

8:45 pm-5:40 am

1 stop21h 55m

$859
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 4/23

5:25 pm-5:15 am

1 stop22h 50m

Singapore Changi

Thu 5/7

7:00 am-3:44 pm

1 stop21h 44m

$944

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/21

9:05 pm-5:55 pm

1 stop31h 50m

Singapore Changi

Wed 5/6

11:10 am-7:10 pm

1 stop45h 00m

$950

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 4/23

5:25 pm-5:15 am

1 stop22h 50m

Singapore Changi

Thu 5/7

7:00 am-3:44 pm

1 stop21h 44m

$956

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/29

4:32 pm-5:15 am

2 stops47h 43m

Singapore Changi

Tue 6/2

7:00 am-1:24 pm

2 stops43h 24m

$959

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 5/7

4:45 pm-5:15 am

1 stop23h 30m

Singapore Changi

Thu 5/14

7:00 am-1:34 pm

2 stops43h 34m

$967

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/21

9:05 pm-8:45 am

1 stop46h 40m

Singapore Changi

Wed 5/6

11:10 am-7:10 pm

1 stop45h 00m

$973

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 4/20

6:01 am-12:20 am

2 stops29h 19m

Singapore Changi

Sun 4/26

1:55 am-3:48 pm

2 stops26h 53m

$1,271

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 4/21

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Wed 5/6

10:00 pm-4:09 pm

2 stops31h 09m

$1,300

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 4/19

5:23 pm-5:00 am

2 stops46h 37m

Singapore Changi

Sun 4/26

10:00 pm-4:28 pm

2 stops31h 28m

$1,305

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of February is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $1,076. If you aren’t able to travel to Singapore during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,100.

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 $1,203 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

23h 15m

Direct flights

None
The fastest flight from Houston to Singapore takes 23h 15m
There are no direct flights from Houston to Singapore. There are no popular flight routes from Houston to Singapore.
  • 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 15m.

  • 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?

  • 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 CanadaPriceFrom $852Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights
ZIPAIRPriceFrom $860Free CancellationRating
7.4
54 reviews
Search ZIPAIR flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.3
4,249 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $975Free CancellationRating
7.4
9,412 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.4
1,370 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,128Free CancellationRating
7.4
3,744 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

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1 adult
Thu 4/9
Thu 4/16

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