$518 Cheap Flights from Houston (HOU) to Hanoi (HAN)

View $518 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN)

Cheap Flights from Houston to Hanoi (HOU-HAN)

Prices were available within the past 7 days and start at $518 for one-way flights and $920 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov 27 - Tue, Dec 23
HOU
Houston
HAN
Hanoi
$920 Roundtrip, found 3 days ago
$920
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 27 from Houston to Hanoi, returning Tue, Dec 23, priced at $920 found 3 days ago

Alternative airports near Hanoi

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Noi Bai Intl. HAN. Cheapest and Closest option available. Average driving time to city center is 24 minutes. Flights from $1,285
HAN
Noi Bai Intl.
CheapestClosest
Average driving time to city center24 min
Flights from $1,285

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN) cost?
Grab a cheap one-way flight from $518 or cheap return flight from $920 from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN)?
The cheapest month to fly from HOU to HAN is November, when demand is low. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN)?
To find the cheapest airline that'll fly you from HOU to HAN, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN)?
There aren't any daily nonstop flights from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from HOU to HAN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN)?
To reach Noi Bai Intl. Airport (HAN) on schedule, book a flight that leaves William P. Hobby Airport (HOU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN) last-minute?
Last-minute fares from HOU to HAN are typically more expensive. To secure the lowest rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a HOU to HAN flight and hotel package?
Compared with arranging hotels and flights separately, booking a HOU to HAN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place takes the hassle out of travel planning. Just pick your flights and choose from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN)?
Generally, it's possible to cancel or reschedule your HOU to HAN flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
William P. Hobby
Destination airport
Noi Bai Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$920
Distance
8652 mi

Book with confidence

Book with confidence

Houston to Hanoi Flights

The cheapest times to fly from Houston to Hanoi

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Hanoi are during the month of November. You can find some of the cheapest flights from Houston to Hanoi with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Hanoi

Sunday is one of the best days to book for cheap flights from Houston to Hanoi: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Hanoi

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Hanoi in 2025. You can also book with separate airlines for your outbound and return journeys, from $518 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Hanoi flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Hanoi airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Houston to Hanoi Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.