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Cheap flights from Houston to Singapore from $448

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 9/8. 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
0 bags

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Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 8:45 am
SIN
-
IAH
28h 30m
1 stop
$1,055Multiple Airlines
Sat, Aug 15 - Sun, Aug 30
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,056Multiple Airlines
Sat, Aug 15 - Thu, Sep 3
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,057Multiple Airlines
Sat, Aug 15 - Thu, Sep 3
Multiple Airlines Logo
10:45 am - 11:25 pm
IAH
-
SIN
47h 40m
2 stops
Multiple Airlines Logo
5:15 pm - 8:45 am
SIN
-
IAH
28h 30m
1 stop
$1,062Multiple Airlines
Wed, Aug 12 - Sun, Aug 30
Multiple Airlines Logo
10:45 am - 11:25 pm
IAH
-
SIN
47h 40m
2 stops
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,064Multiple Airlines
Wed, Aug 12 - Thu, Sep 3
Multiple Airlines Logo
10:45 am - 11:25 pm
IAH
-
SIN
47h 40m
2 stops
Multiple Airlines Logo
5:15 pm - 8:45 am
SIN
-
IAH
28h 30m
1 stop
$1,066Multiple Airlines
Wed, Aug 12 - Sun, Aug 30
Qatar Airways Logo
1:08 pm - 8:50 am
HOU
-
SIN
30h 42m
2 stops
Qatar Airways Logo
7:40 pm - 1:24 pm
SIN
-
HOU
30h 44m
2 stops
$1,618Qatar Airways
Thu, Sep 24 - Fri, Oct 2
Finnair Logo
10:18 am - 6:30 pm
HOU
-
SIN
43h 12m
2 stops
Finnair Logo
9:35 pm - 7:51 pm
SIN
-
HOU
35h 16m
2 stops
$1,640Finnair
Sat, Aug 1 - Mon, Aug 31
Finnair Logo
9:36 am - 6:30 pm
HOU
-
SIN
43h 54m
2 stops
Finnair Logo
9:35 pm - 7:51 pm
SIN
-
HOU
35h 16m
2 stops
$1,685Finnair
Tue, Aug 4 - Fri, Aug 28
Delta Logo
6:00 am - 5:00 am
HOU
-
SIN
34h 00m
2 stops
Delta Logo
10:00 pm - 9:35 pm
SIN
-
HOU
36h 35m
2 stops
$1,806Delta
Mon, Aug 3 - Sun, Aug 30

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets
Qatar Airways
Sep 24
IAH6:15 pmHouston George Bush Intcntl
32h 30m
1 stop
SIN3:45 pmSingapore Changi
Oct 2
SIN7:40 pmSingapore Changi
33h 15m
1 stop
IAH3:55 pmHouston George Bush Intcntl
$1,114
Qatar Airways
Aug 11
IAH6:15 pmHouston George Bush Intcntl
32h 30m
1 stop
SIN3:45 pmSingapore Changi
Aug 31
SIN3:15 amSingapore Changi
25h 40m
1 stop
IAH3:55 pmHouston George Bush Intcntl
$1,128
Qatar Airways
Aug 13
IAH6:15 pmHouston George Bush Intcntl
38h 00m
1 stop
SIN9:15 pmSingapore Changi
Aug 31
SIN3:15 amSingapore Changi
25h 40m
1 stop
IAH3:55 pmHouston George Bush Intcntl
$1,131

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Sep 10
IAH9:05 pmHouston George Bush Intcntl
31h 50m
1 stop
SIN5:55 pmSingapore Changi
Sep 24
SIN5:25 amSingapore Changi
44h 20m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$1,121
Turkish Airlines
May 10
IAH9:05 pmHouston George Bush Intcntl
46h 40m
1 stop
SIN8:45 amSingapore Changi
May 20
SIN11:10 amSingapore Changi
45h 00m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,287

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 May 4, 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

Sat 8/15

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Sun 8/30

5:15 pm-8:45 am

1 stop28h 30m

$1,055

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 8/15

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Thu 9/3

5:15 pm-9:45 am

1 stop29h 30m

$1,056

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 8/15

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Thu 9/3

5:15 pm-9:45 am

1 stop29h 30m

$1,057

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/12

10:45 am-11:25 pm

2 stops47h 40m

Singapore Changi

Sun 8/30

5:15 pm-8:45 am

1 stop28h 30m

$1,062

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/12

10:45 am-11:25 pm

2 stops47h 40m

Singapore Changi

Thu 9/3

5:15 pm-9:45 am

1 stop29h 30m

$1,064

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/12

10:45 am-11:25 pm

2 stops47h 40m

Singapore Changi

Sun 8/30

5:15 pm-8:45 am

1 stop28h 30m

$1,066
Quickest round-trip

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 9/24

1:08 pm-8:50 am

2 stops30h 42m

Singapore Changi

Fri 10/2

7:40 pm-1:24 pm

2 stops30h 44m

$1,618

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sat 8/1

10:18 am-6:30 pm

2 stops43h 12m

Singapore Changi

Mon 8/31

9:35 pm-7:51 pm

2 stops35h 16m

$1,640

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 8/4

9:36 am-6:30 pm

2 stops43h 54m

Singapore Changi

Fri 8/28

9:35 pm-7:51 pm

2 stops35h 16m

$1,685

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 8/3

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Sun 8/30

10:00 pm-9:35 pm

2 stops36h 35m

$1,806

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Houston and Singapore?

What is the cheapest month to fly to Singapore?

The month of December is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $581. If you aren’t able to travel to Singapore during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $585.

How far in advance should I book a flight from Houston 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 $727 on momondo.

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

30h 30m

Direct flights

None
The fastest flight from Houston to Singapore takes 30h 30m
There are no direct flights from Houston to Singapore. There are no popular flight routes from Houston to Singapore.
Search flight deals

Frequently asked questions about flying 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 30h 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?

  • 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
10,995 reviews
Search Air Canada flights
ZIPAIRPriceFrom $860Free CancellationRating
7.4
55 reviews
Search ZIPAIR flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,344 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,024Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,442 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.4
3,723 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.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
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Air Canada
Turkish Airlines
Qatar Airways
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