Skip to main content
Beginning of main content

IAH (Houston) to SIN (Singapore) Flights $652.06

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap IAH to SIN Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Batam Batu Besar


Johor Bahru


Interesting Facts About Flights from Houston to Singapore (IAH to SIN)

Question : Would you be willing to change your travel days if it saved you money?
Answer : Sunday is your cheapest day to fly in the month of August. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : How much should a trip from Houston (IAH) to Singapore (SIN) cost?
Answer : Flight prices are fluctuating a lot more for this route than most routes from the United States, as they're ranging anywhere from $635 to $15,040. The further out you book a route, the more likely you are to save.

Question : How long do most people stay in Singapore?
Answer : Of course you're not most people, but if you were, you'd stay roughly 13 days.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : As of Jul 24th, the best day for deals to Singapore (SIN) is Aug 23rd. It costs $679, which is 49% below the average price to book the same route.

Question : Which airline is offering the cheapest flight from IAH to SIN?
Answer : Prices are hitting as high as $15,040 over the next three months when flying to SIN from IAH. Check out Delta Air Lines, as they have been booking customers at just $635.

Question : When flying into Singapore, is Changi International Airport your cheapest option?
Answer : Luckily for you, there is another airport near Singapore. Hang Nadim International Airport (BTH) is 19 miles away, and over the next two months flights are being booked 14% cheaper than flights to Changi International Airport.