Find cheap airlines flights from Houston to Hanoi

Choose from 4 carriers that fly from Houston to Hanoi, including EVA Air, ZIPAIR, and United Airlines. Enjoy the cheapest tickets on this route with ZIPAIR.

Find flight deals from Houston to Hanoi for the next 3 months. Book one way flights from $473 or round trip flights from $1,108.

Displayed flight fares from Houston to Hanoi are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Houston to Hanoi

The distance between Houston and Hanoi is approximately 13,923.8 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$473
Cheapest round-trip ticket price$1,108
Off-season for travelNovember
Peak season for travelJuly
Flight distance13,923.8 km
Popular airlineEVA Air

When is the cheapest time to fly from Houston to Hanoi?

The cheapest time for Houston to Hanoi flights: Jan 18 to Jan 25 — one way flight prices from $337.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Houston to Hanoi, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Houston to Hanoi (HOU-HAN)?

    Based on Trip.com data, ZIPAIR offers one-way fares as low as $473 on Cheapest nonstop routes (e.g. IAH to HAN on Sun, Jan 4), while Turkish Airlines offers Cheapest nonstop round-trips from $1,108 departing on Wed, Jan 21 and returning on Tue, Jan 27.
  • At the moment, you can catch a nonstop flight from Houston to Hanoi with the following airlines, including: ZIPAIR United Airlines Selected airlines are based on historical data collected from flight bookings users made 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 Hanoi 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 Hanoi, 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 Sun, Jan 4, with one-way flights priced at just $473.
    · 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 Hanoi travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Houston to Hanoi is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Houston to Hanoi on December 13, 2025 with ZIPAIR, with prices starting at $625.
  • You can land at any one of the following hubs in Hanoi, with George Bush Intercontinental Airport to Noi Bai International Airport (IAH-HAN) is by far the most common option on this route: Noi Bai International Airport (HAN).
  • The time difference between Hanoi and Houston is 13h.
  • 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.