Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston to Singapore from $450

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 9/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:34 pm - 1:15 pm
IAH
-
SIN
33h 41m
2 stops
Multiple Airlines Logo
8:50 pm - 3:37 pm
SIN
-
IAH
31h 47m
2 stops
$1,081Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
8:29 am - 9:40 am
IAH
-
SIN
36h 11m
2 stops
Multiple Airlines Logo
9:00 pm - 4:20 pm
SIN
-
IAH
32h 20m
2 stops
$1,082Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Turkish Airlines Logo
9:10 pm - 11:10 am
IAH
-
SIN
25h 00m
1 stop
Turkish Airlines Logo
11:10 am - 7:15 pm
SIN
-
IAH
45h 05m
1 stop
$1,094Turkish Airlines
Thu, Aug 13 - Wed, Aug 26
Multiple Airlines Logo
11:45 am - 2:35 pm
IAH
-
SIN
37h 50m
1 stop
Multiple Airlines Logo
1:10 am - 9:25 am
SIN
-
IAH
45h 15m
2 stops
$1,106Multiple Airlines
Wed, Sep 9 - Wed, Oct 7
Turkish Airlines Logo
9:10 pm - 5:55 pm
IAH
-
SIN
31h 45m
1 stop
Turkish Airlines Logo
11:10 am - 7:15 pm
SIN
-
IAH
45h 05m
1 stop
$1,118Turkish Airlines
Wed, Aug 19 - Wed, Aug 26
Delta Logo
6:00 am - 5:00 am
HOU
-
SIN
34h 00m
2 stops
Delta Logo
10:00 pm - 10:05 pm
SIN
-
HOU
37h 05m
2 stops
$1,297Delta
Thu, Aug 13 - Wed, Aug 26
Korean Air Logo
6:00 am - 11:55 pm
HOU
-
SIN
28h 55m
2 stops
Korean Air Logo
10:00 pm - 1:19 pm
SIN
-
HOU
28h 19m
2 stops
$1,302Korean Air
Thu, Sep 10 - Mon, Sep 14
Delta Logo
5:20 pm - 5:00 am
HOU
-
SIN
46h 40m
2 stops
Delta Logo
7:30 am - 12:16 pm
SIN
-
HOU
41h 46m
2 stops
$1,347Delta
Sun, Aug 9 - Sun, Aug 16
Japan Airlines Logo
5:41 am - 6:10 am
HOU
-
SIN
35h 29m
2 stops
Japan Airlines Logo
1:55 am - 11:44 am
SIN
-
HOU
22h 49m
2 stops
$1,407Japan Airlines
Thu, Aug 13 - Tue, Aug 25
Japan Airlines Logo
9:32 am - 6:10 am
HOU
-
SIN
31h 38m
2 stops
Japan Airlines Logo
1:55 am - 3:26 pm
SIN
-
HOU
26h 31m
2 stops
$1,420Japan Airlines
Thu, Aug 13 - Tue, Aug 25

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Oct 6
IAH4:45 pmHouston George Bush Intcntl
23h 30m
1 stop
SIN5:15 amSingapore Changi
Oct 27
SIN8:40 amSingapore Changi
41h 41m
2 stops
IAH1:21 pmHouston George Bush Intcntl
$1,151
Air Canada
Aug 5
IAH4:35 pmHouston George Bush Intcntl
47h 40m
2 stops
SIN5:15 amSingapore Changi
Aug 11
SIN8:50 pmSingapore Changi
32h 01m
2 stops
IAH3:51 pmHouston George Bush Intcntl
$1,168
Air Canada
Oct 7
IAH4:32 pmHouston George Bush Intcntl
47h 43m
2 stops
SIN5:15 amSingapore Changi
Oct 12
SIN10:50 pmSingapore Changi
53h 47m
2 stops
IAH3:37 pmHouston George Bush Intcntl
$1,173

Delta flights from Houston to Singapore

Our best Delta deals on Houston to Singapore flight tickets
Delta
Aug 13
HOU6:00 amHouston Hobby
34h 00m
2 stops
SIN5:00 amSingapore Changi
Aug 26
SIN10:00 pmSingapore Changi
37h 05m
2 stops
HOU10:05 pmHouston Hobby
$1,297
Delta
Sep 29
HOU2:25 pmHouston Hobby
44h 30m
2 stops
SIN11:55 pmSingapore Changi
Oct 11
SIN7:30 amSingapore Changi
27h 13m
2 stops
HOU9:43 pmHouston Hobby
$1,337
Delta
Aug 9
HOU5:20 pmHouston Hobby
46h 40m
2 stops
SIN5:00 amSingapore Changi
Aug 16
SIN7:30 amSingapore Changi
41h 46m
2 stops
HOU12:16 pmHouston Hobby
$1,347

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 June 28, 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

Tue 9/8

2:34 pm-1:15 pm

2 stops33h 41m

Singapore Changi

Tue 9/15

8:50 pm-3:37 pm

2 stops31h 47m

$1,081

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 9/14

8:29 am-9:40 am

2 stops36h 11m

Singapore Changi

Mon 9/21

9:00 pm-4:20 pm

2 stops32h 20m

$1,082

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 8/13

9:10 pm-11:10 am

1 stop25h 00m

Singapore Changi

Wed 8/26

11:10 am-7:15 pm

1 stop45h 05m

$1,094

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 9/9

11:45 am-2:35 pm

1 stop37h 50m

Singapore Changi

Wed 10/7

1:10 am-9:25 am

2 stops45h 15m

$1,106

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/19

9:10 pm-5:55 pm

1 stop31h 45m

Singapore Changi

Wed 8/26

11:10 am-7:15 pm

1 stop45h 05m

$1,118

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/13

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Wed 8/26

10:00 pm-10:05 pm

2 stops37h 05m

$1,297
Quickest round-trip

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 9/10

6:00 am-11:55 pm

2 stops28h 55m

Singapore Changi

Mon 9/14

10:00 pm-1:19 pm

2 stops28h 19m

$1,302

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 8/9

5:20 pm-5:00 am

2 stops46h 40m

Singapore Changi

Sun 8/16

7:30 am-12:16 pm

2 stops41h 46m

$1,347

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/13

5:41 am-6:10 am

2 stops35h 29m

Singapore Changi

Tue 8/25

1:55 am-11:44 am

2 stops22h 49m

$1,407

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/13

9:32 am-6:10 am

2 stops31h 38m

Singapore Changi

Tue 8/25

1:55 am-3:26 pm

2 stops26h 31m

$1,420

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.

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

22h 15m

Direct flights

None
The fastest flight from Houston to Singapore takes 22h 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 22h 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 $712Free CancellationRating
7.1
11,269 reviews
Search Air Canada flights
United AirlinesPriceFrom $727Free CancellationRating
7.4
9,899 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,424 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,484 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.3
3,736 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/28
Tue 8/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

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