Houston (HOU) → Singapore (SIN)

16,005 km
20h 30m flight
From $1990
Singapore destination photo

About Houston to Singapore Flights

Discover the best flights from Houston to Singapore, covering 16,005 km in approximately 20h 30m. Houston (HOU) to Singapore (SIN) is one of the major long-haul routes connecting United States and Singapore. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Houston to Singapore.

12-Month Price History

Flight prices from Houston to Singapore vary significantly throughout the year. February typically offers the best deals with average prices around $2886, while July sees the highest prices, averaging $4795. Savvy travelers can save up to 40% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

170 days

For best prices

Booking Tips

For the best prices on Houston to Singapore flights, we recommend booking 66 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

American Airlines

AA

Economy

$4220

Business

$17200

First

$26710

Scoot

TR

Economy

$4420

Business

$15670

First

$25930

United Airlines

UA

Economy

$4670

Business

$13860

First

$20800

Delta Air Lines

DL

Economy

$4760

Business

$16290

First

$21750

British Airways

BA

Economy

$4990

Business

$18560

First

$22770

Air France

AF

Economy

$5350

Business

$16090

First

$28380

Singapore Airlines

SQ

Economy

$5780

Business

$17030

First

$36690

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Singapore destination photo

HoustonSingapore

George Bush Intercontinental (IAH) to Singapore Changi (SIN)

Distance: 15,970 km

Average price: $3244

View this route →

Don't Forget Travel Insurance!

Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Singapore, Singapore.

  • Medical coverage up to $250,000
  • Trip interruption & delays covered
  • Lost luggage protection included

From just $45/month • Works in 180+ countries • COVID-19 coverage included

Get Travel Insurance Quote

Trusted by 100,000+ travelers

Frequently Asked Questions

How long is the flight from Houston to Singapore?

The flight time from Houston (HOU) to Singapore (SIN) is approximately 20 hours and 30 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Houston and Singapore?

The aerial distance between Houston and Singapore is 16,005 kilometers (9,945 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Houston to Singapore?

Several airlines operate flights between Houston and Singapore, including Singapore Airlines, Scoot, American Airlines and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Houston to Singapore?

Based on historical data, February typically offers the lowest airfares for flights from Houston to Singapore. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Singapore?

For the best prices on Houston to Singapore flights, we recommend booking 124 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Houston to Singapore?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Singapore should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Houston and Singapore?

Houston operates on America/Chicago time zone, while Singapore is in the Asia/Singapore time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.