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Cheap flights from Houston to Singapore from $458

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
11:45 am - 5:20 am
IAH
-
SIN
28h 35m
2 stops
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,045Multiple Airlines
Fri, Sep 4 - Sun, Sep 13
Multiple Airlines Logo
6:18 am - 9:40 am
IAH
-
SIN
38h 22m
2 stops
Multiple Airlines Logo
7:25 pm - 11:18 pm
SIN
-
IAH
40h 53m
2 stops
$1,076Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Turkish Airlines Logo
9:05 pm - 5:35 pm
IAH
-
SIN
30h 30m
1 stop
Turkish Airlines Logo
10:25 am - 1:10 pm
SIN
-
IAH
40h 45m
1 stop
$1,079Turkish Airlines
Sun, Nov 8 - Tue, Dec 1
Turkish Airlines Logo
10:05 pm - 5:35 pm
IAH
-
SIN
29h 30m
1 stop
Turkish Airlines Logo
11:40 am - 7:10 pm
SIN
-
IAH
45h 30m
1 stop
$1,080Turkish Airlines
Thu, Nov 5 - Fri, Nov 13
Multiple Airlines Logo
6:00 am - 9:35 am
IAH
-
SIN
37h 35m
2 stops
Multiple Airlines Logo
7:25 pm - 5:57 pm
SIN
-
IAH
36h 32m
2 stops
$1,082Multiple Airlines
Sun, Nov 8 - Tue, Dec 1
Multiple Airlines Logo
6:00 am - 9:35 am
IAH
-
SIN
37h 35m
2 stops
Multiple Airlines Logo
7:25 pm - 5:57 pm
SIN
-
IAH
36h 32m
2 stops
$1,083Multiple Airlines
Sun, Nov 8 - Tue, Dec 1
Multiple Airlines Logo
1:36 pm - 9:40 am
IAH
-
SIN
31h 04m
2 stops
Multiple Airlines Logo
9:00 pm - 11:51 pm
SIN
-
IAH
39h 51m
2 stops
$1,089Multiple Airlines
Mon, Jul 13 - Sun, Jul 19
Qatar Airways Logo
6:15 pm - 8:50 am
IAH
-
SIN
25h 35m
1 stop
Qatar Airways Logo
3:15 am - 3:55 pm
SIN
-
IAH
25h 40m
1 stop
$1,123Qatar Airways
Sun, Oct 11 - Tue, Oct 20
Finnair Logo
9:30 am - 6:30 pm
HOU
-
SIN
44h 00m
2 stops
Finnair Logo
9:35 pm - 7:51 pm
SIN
-
HOU
35h 16m
2 stops
$1,361Finnair
Mon, Jun 15 - Tue, Aug 11
Finnair Logo
1:08 pm - 6:30 pm
HOU
-
SIN
40h 22m
2 stops
Finnair Logo
9:35 pm - 7:51 pm
SIN
-
HOU
35h 16m
2 stops
$1,366Finnair
Thu, Oct 8 - Sat, Oct 24

Delta flights from Houston to Singapore

Our best Delta deals on Houston to Singapore flight tickets
Delta
Jul 23
HOU6:00 amHouston Hobby
28h 55m
2 stops
SIN11:55 pmSingapore Changi
Aug 3
SIN1:25 amSingapore Changi
34h 21m
2 stops
HOU10:46 pmHouston Hobby
$2,286
Delta
Jul 23
HOU6:00 amHouston Hobby
28h 55m
2 stops
SIN11:55 pmSingapore Changi
Aug 3
SIN7:30 amSingapore Changi
28h 16m
2 stops
HOU10:46 pmHouston Hobby
$2,325
Delta
Jul 21
HOU6:00 amHouston Hobby
28h 55m
2 stops
SIN11:55 pmSingapore Changi
Aug 3
SIN7:30 amSingapore Changi
28h 16m
2 stops
HOU10:46 pmHouston Hobby
$2,524

Finnair flights from Houston to Singapore

Our best Finnair deals on Houston to Singapore flight tickets
Finnair
Jun 15
HOU9:30 amHouston Hobby
44h 00m
2 stops
SIN6:30 pmSingapore Changi
Aug 11
SIN9:35 pmSingapore Changi
35h 16m
2 stops
HOU7:51 pmHouston Hobby
$1,361
Finnair
Oct 8
HOU1:08 pmHouston Hobby
40h 22m
2 stops
SIN6:30 pmSingapore Changi
Oct 24
SIN9:35 pmSingapore Changi
35h 16m
2 stops
HOU7:51 pmHouston Hobby
$1,366
Finnair
Jun 15
HOU12:50 pmHouston Hobby
40h 40m
2 stops
SIN6:30 pmSingapore Changi
Aug 11
SIN9:35 pmSingapore Changi
35h 16m
2 stops
HOU7:51 pmHouston Hobby
$1,445

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 17, 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 9/4

11:45 am-5:20 am

2 stops28h 35m

Singapore Changi

Sun 9/13

11:05 pm-9:45 am

1 stop23h 40m

$1,045

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 10/21

6:18 am-9:40 am

2 stops38h 22m

Singapore Changi

Thu 10/29

7:25 pm-11:18 pm

2 stops40h 53m

$1,076

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Tue 12/1

10:25 am-1:10 pm

1 stop40h 45m

$1,079

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 11/5

10:05 pm-5:35 pm

1 stop29h 30m

Singapore Changi

Fri 11/13

11:40 am-7:10 pm

1 stop45h 30m

$1,080

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

6:00 am-9:35 am

2 stops37h 35m

Singapore Changi

Tue 12/1

7:25 pm-5:57 pm

2 stops36h 32m

$1,082

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

6:00 am-9:35 am

2 stops37h 35m

Singapore Changi

Tue 12/1

7:25 pm-5:57 pm

2 stops36h 32m

$1,083

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 7/13

1:36 pm-9:40 am

2 stops31h 04m

Singapore Changi

Sun 7/19

9:00 pm-11:51 pm

2 stops39h 51m

$1,089
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 10/11

6:15 pm-8:50 am

1 stop25h 35m

Singapore Changi

Tue 10/20

3:15 am-3:55 pm

1 stop25h 40m

$1,123

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 6/15

9:30 am-6:30 pm

2 stops44h 00m

Singapore Changi

Tue 8/11

9:35 pm-7:51 pm

2 stops35h 16m

$1,361

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 10/8

1:08 pm-6:30 pm

2 stops40h 22m

Singapore Changi

Sat 10/24

9:35 pm-7:51 pm

2 stops35h 16m

$1,366

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 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 $1,254 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

23h 30m

Direct flights

None
The fastest flight from Houston to Singapore takes 23h 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

  • When did momondo last update prices for flights from Houston to Singapore?

    Prices for flights from Houston to Singapore are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston to Singapore?

  • How old do you have to be to fly from Houston to Singapore?

    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.

  • What documentation or ID do you need to fly to Singapore?

    The necessary travel and health documents for your Singapore 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
11,056 reviews
Search Air Canada flights
ZIPAIRPriceFrom $860Free CancellationRating
7.4
55 reviews
Search ZIPAIR flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,370 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,024Free CancellationRating
7.4
9,731 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,451 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?

Yes. momondo allows you to filter the results for Houston to Singapore flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Singapore?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

If you are not ready to book a flight from Houston to Singapore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Singapore and let you know when they change.

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