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Cheap flights from Houston to Singapore from $514

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 8/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:45 am - 2:35 pm
IAH
-
SIN
37h 50m
1 stop
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,017Multiple Airlines
mié., sep. 2 - mar., sep. 29
Multiple Airlines Logo
11:45 am - 2:35 pm
IAH
-
SIN
37h 50m
1 stop
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,018Multiple Airlines
mié., sep. 2 - dom., sep. 13
Multiple Airlines Logo
6:04 am - 9:50 am
IAH
-
SIN
38h 46m
2 stops
Multiple Airlines Logo
9:00 pm - 2:31 pm
SIN
-
IAH
30h 31m
2 stops
$1,025Multiple Airlines
mar., abr. 21 - mar., may. 5
Multiple Airlines Logo
10:45 am - 5:20 am
IAH
-
SIN
29h 35m
2 stops
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,029Multiple Airlines
lun., ago. 31 - dom., sep. 20
Multiple Airlines Logo
11:45 am - 2:35 pm
IAH
-
SIN
37h 50m
1 stop
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,031Multiple Airlines
mié., sep. 2 - jue., sep. 17
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
$1,034Multiple Airlines
mié., sep. 2 - mar., sep. 29
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
$1,035Multiple Airlines
mié., sep. 2 - dom., sep. 13
Multiple Airlines Logo
3:26 pm - 12:10 am
IAH
-
SIN
43h 44m
2 stops
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,036Multiple Airlines
sáb., ago. 29 - jue., sep. 17
Multiple Airlines Logo
10:45 am - 5:20 am
IAH
-
SIN
29h 35m
2 stops
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,037Multiple Airlines
lun., ago. 31 - mar., sep. 15
Delta Logo
5:35 pm - 7:15 pm
HOU
-
SIN
36h 40m
2 stops
Delta Logo
10:00 pm - 9:35 pm
SIN
-
HOU
36h 35m
2 stops
$1,439Delta
lun., ago. 31 - mar., sep. 15

Delta flights from Houston to Singapore

Our best Delta deals on Houston to Singapore flight tickets
Delta
Aug 31
HOU5:35 pmHouston Hobby
36h 40m
2 stops
SIN7:15 pmSingapore Changi
Sep 15
SIN10:00 pmSingapore Changi
36h 35m
2 stops
HOU9:35 pmHouston Hobby
$1,439
Delta
May 13
HOU6:00 amHouston Hobby
48h 15m
2 stops
SIN7:15 pmSingapore Changi
May 27
SIN1:25 amSingapore Changi
27h 44m
2 stops
HOU4:09 pmHouston Hobby
$1,599
Delta
May 7
HOU6:00 amHouston Hobby
34h 00m
2 stops
SIN5:00 amSingapore Changi
May 20
SIN1:25 amSingapore Changi
45h 07m
2 stops
HOU9:32 amHouston Hobby
$1,604

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets
Qatar Airways
Apr 21
HOU12:42 pmHouston Hobby
38h 33m
2 stops
SIN4:15 pmSingapore Changi
May 4
SIN1:05 amSingapore Changi
31h 46m
2 stops
HOU7:51 pmHouston Hobby
$1,551
Qatar Airways
Apr 23
HOU12:42 pmHouston Hobby
38h 33m
2 stops
SIN4:15 pmSingapore Changi
May 29
SIN1:05 amSingapore Changi
31h 46m
2 stops
HOU7:51 pmHouston Hobby
$1,590
Qatar Airways
May 6
HOU4:18 pmHouston Hobby
34h 57m
2 stops
SIN4:15 pmSingapore Changi
Jun 5
SIN7:40 pmSingapore Changi
37h 11m
2 stops
HOU7:51 pmHouston Hobby
$1,625

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 abril 9, 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

mié. 9/2

11:45 am-2:35 pm

1 stop37h 50m

Singapore Changi

mar. 9/29

11:05 pm-9:45 am

1 stop23h 40m

$1,017

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mié. 9/2

11:45 am-2:35 pm

1 stop37h 50m

Singapore Changi

dom. 9/13

11:05 pm-9:45 am

1 stop23h 40m

$1,018

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mar. 4/21

6:04 am-9:50 am

2 stops38h 46m

Singapore Changi

mar. 5/5

9:00 pm-2:31 pm

2 stops30h 31m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

lun. 8/31

10:45 am-5:20 am

2 stops29h 35m

Singapore Changi

dom. 9/20

11:05 pm-9:45 am

1 stop23h 40m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mié. 9/2

11:45 am-2:35 pm

1 stop37h 50m

Singapore Changi

jue. 9/17

11:05 pm-9:45 am

1 stop23h 40m

$1,031
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mié. 9/2

11:45 am-5:20 am

2 stops28h 35m

Singapore Changi

mar. 9/29

11:05 pm-9:45 am

1 stop23h 40m

$1,034

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

mié. 9/2

11:45 am-5:20 am

2 stops28h 35m

Singapore Changi

dom. 9/13

11:05 pm-9:45 am

1 stop23h 40m

$1,035

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

sáb. 8/29

3:26 pm-12:10 am

2 stops43h 44m

Singapore Changi

jue. 9/17

5:15 pm-9:45 am

1 stop29h 30m

$1,036

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

lun. 8/31

10:45 am-5:20 am

2 stops29h 35m

Singapore Changi

mar. 9/15

11:05 pm-9:45 am

1 stop23h 40m

$1,037

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

lun. 8/31

5:35 pm-7:15 pm

2 stops36h 40m

Singapore Changi

mar. 9/15

10:00 pm-9:35 pm

2 stops36h 35m

$1,439

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

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 August is also cheap. Prices for this month can be found on momondo for an average of $1,113.

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 $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

29h 15m

Direct flights

None
The fastest flight from Houston to Singapore takes 29h 15m
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 29h 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
10,910 reviews
Search Air Canada flights
ZIPAIRPriceFrom $860Free CancellationRating
7.4
54 reviews
Search ZIPAIR flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.3
4,305 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $937Free CancellationRating
7.4
9,557 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,401 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.4
3,727 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
EVA Air
Air Canada
Turkish Airlines
Qatar Airways
ZIPAIR