Flights from Houston, TX to Singapore, Singapore
Compare prices from 900+ airlines and find the best deals on flights from IAH to SIN.*Prices shown are estimated based on historical data.
Houston, TX to Singapore, Singapore
Round-trip flights from IAH to SIN typically cost $721-$901 USD. Prices vary by season, demand, and how far in advance you book. The lowest fares are usually found 6-8 weeks before departure for domestic routes.
Non-stop flights from IAH to SIN take approximately 13h 48m. Actual flight times vary based on weather, air traffic, and aircraft type. Consider arriving at the airport 2 hours before domestic departures.
Airlines operating IAH to SIN include Japan Airlines, American Airlines, Frontier Airlines, Emirates. Each airline offers different fare classes, baggage policies, and loyalty programs. Compare options to find the best value for your travel needs.
The cheapest day to fly IAH to SIN is typically Tuesday. Mid-week flights are 10-20% cheaper than weekend departures. For best prices, book 6-8 weeks before your trip. Avoid booking less than 2 weeks out when fares spike.
Fares range from $721 to $1352 depending on dates, class, and airline.
Prices based on 500 searches. Updated hourly.
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About Flights from Houston, TX to Singapore, Singapore
Looking for cheap flights from Houston, TX (IAH) to Singapore, Singapore (SIN)? You've come to the right place. Fly2Any compares prices from over 900 airlines to help you find the best deals on this popular route.
Flight Information
Flights from IAH to SIN typically take around 13h 48m. The flight covers a distance of 6272 miles. Multiple airlines operate this route, including Japan Airlines, American Airlines, Frontier Airlines, Emirates.
Best Time to Book
For the best prices on IAH to SIN flights, we recommend booking 2-3 months in advance. Prices tend to be lowest for mid-week departures (Tuesday and Wednesday). Use our Price Calendar feature to compare prices across different dates and find the cheapest options.
Price data last updated: April 2026
Airlines on This Route
Several major airlines serve the Houston, TX to Singapore, Singapore route, including:
- Japan Airlines (JL)
- American Airlines (AA)
- Frontier Airlines (F9)
- Emirates (EK)
Frequently Asked Questions - IAH to SIN Flights
How long is the flight from Houston, TX to Singapore, Singapore?
Direct flights from Houston, TX (IAH) to Singapore, Singapore (SIN) take approximately 13h 48m. Connecting flights may add 2-4 hours depending on layover location. For the fastest journey, look for nonstop flights which are typically available on this popular route.
When is the best time to book IAH to SIN flights?
For the best prices on IAH to SIN flights, book 6-8 weeks in advance for domestic routes or 2-4 months ahead for international travel. Avoid major Asian holidays for best prices. Shoulder seasons offer pleasant weather. Peak season months (Chinese New Year, July) have higher prices, while February and May typically offer the best deals.
What are the cheapest days to fly from Houston, TX to Singapore, Singapore?
Tuesday and Wednesday departures are typically 15-25% cheaper than weekend flights on the IAH to SIN route. Saturday is usually the most expensive day to fly. For additional savings, consider red-eye flights or early morning departures, which often have lower fares and less crowded airports.
Which airlines fly from IAH to SIN?
Multiple airlines serve the IAH to SIN route. Compare prices across all carriers using Fly2Any to find the best combination of price, timing, and amenities.
What is the cheapest month to fly from Houston, TX to Singapore, Singapore?
The cheapest months to fly from IAH to SIN are typically February, May, September. Avoid major Asian holidays for best prices. Shoulder seasons offer pleasant weather. Avoid peak travel periods like Chinese New Year and July when prices can be 30-50% higher. Use Fly2Any's price alerts to get notified when fares drop.
What is the baggage allowance for IAH to SIN flights?
Baggage allowances vary by airline and fare class. Most full-service carriers include one checked bag (up to 50 lbs) on this route. Budget carriers may charge $25-$60 for checked bags. All airlines allow one personal item free. Compare total costs including baggage fees when booking to get the best deal.
Are there direct flights from Houston, TX to Singapore, Singapore?
Yes, several airlines offer nonstop flights from IAH to SIN. Direct flights take approximately 13h 48m. If you're flexible with your schedule, connecting flights through major hubs like ATL or ORD may offer lower prices.
How much do flights from Houston, TX to Singapore, Singapore cost?
Prices for IAH to SIN flights typically range from $150-$500 roundtrip for economy class, depending on when you book and travel dates. International routes may range from $400-$1,200. Use Fly2Any to compare all airlines and find current deals. Setting a price alert ensures you never miss a fare drop.
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