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Cheap flights from Houston to Singapore from $436

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 9/16. 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.
ZIPAIR Logo
11:45 am - 11:00 pm
IAH
-
SIN
22h 15m
1 stop
ZIPAIR Logo
12:30 am - 9:45 am
SIN
-
IAH
22h 15m
1 stop
$1,000ZIPAIR
Wed, Sep 23 - Tue, Sep 29
Multiple Airlines Logo
10:45 am - 2:35 pm
IAH
-
SIN
38h 50m
1 stop
Multiple Airlines Logo
10:50 am - 8:45 am
SIN
-
IAH
58h 55m
2 stops
$1,028Multiple Airlines
Mon, Jul 20 - Sat, Aug 29
Air Canada Logo
4:45 pm - 5:15 am
IAH
-
SIN
23h 30m
1 stop
Air Canada Logo
7:00 am - 3:44 pm
SIN
-
IAH
21h 44m
1 stop
$1,029Air Canada
Sun, May 17 - Tue, Jun 2
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
$1,035Air Canada
Wed, May 20 - Thu, Jun 4
Multiple Airlines Logo
10:45 am - 2:35 pm
IAH
-
SIN
38h 50m
1 stop
Multiple Airlines Logo
10:50 am - 8:45 am
SIN
-
IAH
58h 55m
2 stops
$1,041Multiple Airlines
Mon, Jul 20 - Thu, Aug 27
Multiple Airlines Logo
10:45 am - 2:35 pm
IAH
-
SIN
38h 50m
1 stop
Multiple Airlines Logo
1:25 am - 9:45 am
SIN
-
IAH
45h 20m
2 stops
$1,045Multiple Airlines
Mon, Jul 20 - Mon, Aug 31
Multiple Airlines Logo
10:45 am - 2:35 pm
IAH
-
SIN
38h 50m
1 stop
Multiple Airlines Logo
1:10 am - 8:45 am
SIN
-
IAH
44h 35m
2 stops
$1,051Multiple Airlines
Mon, Jul 20 - Thu, Aug 27
Finnair Logo
12:01 pm - 6:30 pm
HOU
-
SIN
41h 29m
2 stops
Finnair Logo
9:35 pm - 11:53 pm
SIN
-
HOU
39h 18m
2 stops
$1,365Finnair
Wed, Sep 23 - Wed, Sep 30
Finnair Logo
12:50 pm - 6:30 pm
HOU
-
SIN
40h 40m
2 stops
Finnair Logo
9:35 pm - 7:51 pm
SIN
-
HOU
35h 16m
2 stops
$1,590Finnair
Sun, Jun 14 - Sun, Jun 28
Qatar Airways Logo
4:18 pm - 9:20 am
HOU
-
SIN
28h 02m
2 stops
Qatar Airways Logo
7:40 pm - 7:49 pm
SIN
-
HOU
37h 09m
2 stops
$1,591Qatar Airways
Sat, May 2 - Fri, May 8

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets
Qatar Airways
May 3
IAH7:50 pmHouston George Bush Intcntl
31h 25m
1 stop
SIN4:15 pmSingapore Changi
May 14
SIN1:05 amSingapore Changi
29h 25m
1 stop
IAH5:30 pmHouston George Bush Intcntl
$1,103
Qatar Airways
May 10
IAH7:50 pmHouston George Bush Intcntl
31h 25m
1 stop
SIN4:15 pmSingapore Changi
May 26
SIN7:40 pmSingapore Changi
34h 50m
1 stop
IAH5:30 pmHouston George Bush Intcntl
$1,112
Qatar Airways
May 10
IAH7:50 pmHouston George Bush Intcntl
31h 25m
1 stop
SIN4:15 pmSingapore Changi
May 16
SIN1:05 amSingapore Changi
29h 25m
1 stop
IAH5:30 pmHouston George Bush Intcntl
$1,127

EVA Air flights from Houston to Singapore

Our best EVA Air deals on Houston to Singapore flight tickets
EVA Air
Apr 20
IAH1:00 amHouston George Bush Intcntl
21h 55m
1 stop
SIN11:55 amSingapore Changi
May 5
SIN3:20 pmSingapore Changi
37h 20m
2 stops
IAH3:40 pmHouston George Bush Intcntl
$1,400
EVA Air
Apr 20
IAH1:00 amHouston George Bush Intcntl
21h 55m
1 stop
SIN11:55 amSingapore Changi
May 5
SIN3:20 pmSingapore Changi
37h 20m
2 stops
IAH3:40 pmHouston George Bush Intcntl
$1,496
EVA Air
Apr 20
IAH1:00 amHouston George Bush Intcntl
23h 55m
1 stop
SIN1:55 pmSingapore Changi
May 5
SIN1:10 pmSingapore Changi
30h 10m
2 stops
IAH6:20 amHouston George Bush Intcntl
$1,498

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 April 13, 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
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 9/23

11:45 am-11:00 pm

1 stop22h 15m

Singapore Changi

Tue 9/29

12:30 am-9:45 am

1 stop22h 15m

$1,000

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 7/20

10:45 am-2:35 pm

1 stop38h 50m

Singapore Changi

Sat 8/29

10:50 am-8:45 am

2 stops58h 55m

$1,028

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 5/17

4:45 pm-5:15 am

1 stop23h 30m

Singapore Changi

Tue 6/2

7:00 am-3:44 pm

1 stop21h 44m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 5/20

4:32 pm-5:15 am

2 stops47h 43m

Singapore Changi

Thu 6/4

7:00 am-1:24 pm

2 stops43h 24m

$1,035

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 7/20

10:45 am-2:35 pm

1 stop38h 50m

Singapore Changi

Thu 8/27

10:50 am-8:45 am

2 stops58h 55m

$1,041

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 7/20

10:45 am-2:35 pm

1 stop38h 50m

Singapore Changi

Mon 8/31

1:25 am-9:45 am

2 stops45h 20m

$1,045

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 7/20

10:45 am-2:35 pm

1 stop38h 50m

Singapore Changi

Thu 8/27

1:10 am-8:45 am

2 stops44h 35m

$1,051

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 9/23

12:01 pm-6:30 pm

2 stops41h 29m

Singapore Changi

Wed 9/30

9:35 pm-11:53 pm

2 stops39h 18m

$1,365

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 6/14

12:50 pm-6:30 pm

2 stops40h 40m

Singapore Changi

Sun 6/28

9:35 pm-7:51 pm

2 stops35h 16m

$1,590

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sat 5/2

4:18 pm-9:20 am

2 stops28h 02m

Singapore Changi

Fri 5/8

7:40 pm-7:49 pm

2 stops37h 09m

$1,591

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $1,216 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 $727 on momondo.

What cabin class options are available on Houston to Singapore Changi flights?

There is only 1 cabin class 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.
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 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
10,922 reviews
Search Air Canada flights
ZIPAIRPriceFrom $860Free CancellationRating
7.4
54 reviews
Search ZIPAIR flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.3
4,304 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $937Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,407 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.4
3,728 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