International route
Cheap flights from Singapore to Houston
Singapore Changi Airport (SIN) to George Bush Intercontinental Airport (IAH). 9,924 miles, connecting flights only.
SIN to IAH at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 9,924 milesgreat-circle
- Typical flight time
- 18h 55mif flown nonstop
- Nonstop airlines
- None (connecting only)
- Nonstop flights per day
- 0connections available
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Wednesday16% less than Friday
- Time difference
- 13h behindHouston vs Singapore
Singapore to Houston
Round trips from $569
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppSingapore to Houston fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Singapore to Houston
No nonstop service: 20 airlines offer one-stop itineraries.
- ACAir CanadaStar AllianceConnecting via YVR, YYC · first checked bag from $35
- AIAir IndiaStar AllianceConnecting via DEL, BOM · first checked bag included
- ASAlaska AirlinesoneworldConnecting via SEA, ANC · first checked bag from $35
- NHANA All Nippon AirwaysStar AllianceConnecting via HND, NRT · first checked bag included
- OZAsiana AirlinesStar AllianceConnecting via ICN · first checked bag included
- CIChina AirlinesSkyTeamConnecting via TPE · first checked bag included
- BREVA AirStar AllianceConnecting via TPE · first checked bag included
- FIIcelandairConnecting via KEF · first checked bag from $70
- JLJapan AirlinesoneworldConnecting via HND, NRT, KIX · first checked bag included
- KLKLM Royal Dutch AirlinesSkyTeamConnecting via AMS · first checked bag from $75
- LHLufthansaStar AllianceConnecting via MUC · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via LGW, OSL · first checked bag from $80
- PRPhilippine AirlinesConnecting via MNL · first checked bag included
- QFQantasoneworldConnecting via SYD · first checked bag included
- SKSAS Scandinavian AirlinesSkyTeamConnecting via CPH, ARN · first checked bag from $70
- LXSWISSStar AllianceConnecting via ZRH · first checked bag from $75
- TPTAP Air PortugalStar AllianceConnecting via OPO · first checked bag from $70
- TKTurkish AirlinesStar AllianceConnecting via IST · first checked bag from $70
- VSVirgin AtlanticSkyTeamConnecting via MAN · first checked bag from $75
- Y4VolarisLow-costConnecting via TIJ · first checked bag from $45
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Tokyo (HND)JLNH2 airlines
- Tokyo (NRT)JLNH2 airlines
- Taipei (TPE)BRCI2 airlines
- Seattle (SEA)AS1 airline
- Anchorage (ANC)AS1 airline
Which airport should I use?
SingaporeHouston has 2 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other arrival airports near Houston
Tips for this route
- There is no scheduled nonstop between SIN and IAH. Every itinerary connects, most often through HND, NRT or TPE, so sort results by total travel time rather than price alone.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $569; September 2026 is the most expensive at $817 and up, a difference of $248 per traveler.
- Departing on a Wednesday averages 16% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- Houston is 13 hours behind Singapore. A morning departure lands in Houston with most of the day left; an evening flight arrives close to local dinner time.
Ready to compare live fares?
See every airline on SIN–IAH side by side with bags and seat rules spelled out.
Search Singapore to HoustonSingapore to Houston: common questions
How long is the flight from Singapore to Houston?
There are no nonstop flights, so the trip from Singapore (SIN) to Houston (IAH) takes 18h 55m of flying plus a layover, usually 21h 55m or more door to door across 9,924 miles.
Which airlines fly nonstop from SIN to IAH?
No airline currently flies nonstop between Singapore (SIN) and Houston (IAH). The most common connections are through HND, NRT and TPE.
What is the cheapest month to fly from Singapore to Houston?
Over the next six months, January 2027 has the lowest round-trip fares from Singapore (SIN) to Houston (IAH), starting at $569 per traveler including taxes and fees. Within any month, Wednesday departures average the lowest prices.
How far in advance should I book Singapore to Houston flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Singapore and Houston?
Houston is 13 hours behind Singapore. SIN is on Asia/Singapore time and IAH on America/Chicago time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.