Hi, I've summed up all the key info for Houston to Singapore flights

Cheapest one-way

$ 486
ZIPAIR Wed, Sep 30

45% below next 30d avg. ($891)

Cheapest round-trip

$ 1,026
Turkish Airlines Sun, Oct 18

When to travel

September Cheapest month
July Peak month

Recommended airlines

With a lowest one-way fare of $486 , travelers can expect an average price of $891 for upcoming trips, while round-trip tickets start at $1,026 . You can arrive at any of the following airports in Singapore: Singapore Changi Airport (SIN) , and Seletar Airport (XSP) . Flights from George Bush Intercontinental Airport to Singapore Changi Airport (IAH-SIN) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 1d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Houston to Singapore over the next 90 days, with one-way fares from $486 and round-trip from $1,026. Based on Trip.com's latest 7-day flight data.

Which airlines are the most popular for Houston to Singapore flights?

The most popular airlines flying from Houston to Singapore are EVA Air, Air Canada, and Lufthansa, among 3 carriers on this route. ZIPAIR offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
EVA Air logo EVA Air
Air Canada logo Air Canada
Lufthansa logo Lufthansa
Airlines are determined based on actual purchased flight tickets from Houston to Singapore according to previous 12 months data from Trip.com.

Flight Info | Houston to Singapore

The distance between Houston and Singapore is approximately 16,018.52 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price $486
Cheapest round-trip ticket price $1,026
Off-season for travel September
Peak season for travel July
Flight distance 16,018.52 km
Popular airline EVA Air
Flight statistics for the Houston–Singapore route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Houston to Singapore

Which month has the cheapest one-way flights from Houston to Singapore?

The average price of one-way flights from Houston to Singapore purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Houston to Singapore is March, with an average price of $565; while the month with the highest flight price is usually June, with an average price of up to $1,306.

$1,306
$936
$565
$195
    Cheapest
  • $703
    Sep
  • $688
    Oct
  • $806
    Nov
  • $854
    Dec
  • $694
    Jan
  • $585
    Feb
  • $565
    Mar
  • $681
    Apr
  • $1,134
    May
  • $1,306
    Jun
  • $1,022
    Jul
  • $828
    Aug

Frequently Asked Questions

  • What are the cheapest flights from Houston to Singapore (HOU-SIN)?

    Based on Trip.com data, ZIPAIR offers one-way fares as low as $486 on Cheapest nonstop routes (e.g. IAH to SIN on Wed, Sep 30), while Turkish Airlines offers Cheapest nonstop round-trips from $1,026 departing on Sun, Oct 18 and returning on Sat, Oct 24.
  • At the moment, several airlines serve connecting flights from Houston to Singapore, including: EVA Air Lufthansa Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Houston to Singapore is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Houston to Singapore, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Sep 30, with one-way flights priced at just $486.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is ZIPAIR.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Singapore travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Houston to Singapore is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Houston to Singapore on September 18, 2026 with Turkish Airlines, with prices starting at $1,035.
  • You can arrive at any of the following airports in Singapore: Singapore Changi Airport (SIN), and Seletar Airport (XSP). Flights from George Bush Intercontinental Airport to Singapore Changi Airport (IAH-SIN) are by far the most popular option for this route.
  • The time difference between Singapore and Houston is 14h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Houston to Singapore is $891. Fares vary by travel date, airline and availability.
  • Enter Houston and Singapore, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.