$527 Cheap Flights from Houston (HOU) to Hanoi (HAN)

View $527 flight on Tue, Aug 12, 2025Opens in a new window

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

Find available prices by choosing your travel dates.

Cheap Flights from Houston to Hanoi (HOU-HAN)

Prices were available within the past 7 days and start at $527 for one-way flights and $981 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Aug 12 - Mon, Sep 22
IAH
Houston
HAN
Hanoi
$981 Roundtrip, found 1 hour ago
$981
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Houston to Hanoi, returning Mon, Sep 22, priced at $981 found 1 hour ago
United
Mon, Sep 29 - Wed, Oct 22
IAH
Houston
HAN
Hanoi
$985 Roundtrip, found 7 hours ago
$985
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Sep 29 from Houston to Hanoi, returning Wed, Oct 22, priced at $985 found 7 hours ago
Delta
Tue, Sep 9 - Tue, Sep 23
IAH
Houston
HAN
Hanoi
$986 Roundtrip, found 10 hours ago
$986
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Sep 9 from Houston to Hanoi, returning Tue, Sep 23, priced at $986 found 10 hours ago
Turkish Airlines
Thu, Sep 18 - Thu, Oct 2
IAH
Houston
HAN
Hanoi
$999 Roundtrip, found 2 days ago
$999
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Thu, Sep 18 from Houston to Hanoi, returning Thu, Oct 2, priced at $999 found 2 days ago
All Nippon Airways
Tue, Jan 20 - Tue, Feb 3
IAH
Houston
HAN
Hanoi
$1,016 Roundtrip, found 2 days ago
$1,016
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Tue, Jan 20 from Houston to Hanoi, returning Tue, Feb 3, priced at $1,016 found 2 days ago
EVA Airways
Tue, Aug 12 - Mon, Sep 22
IAH
Houston
HAN
Hanoi
$1,053 Roundtrip, found 1 hour ago
$1,053
Roundtrip
found 1 hour ago
Select EVA Airways flight, departing Tue, Aug 12 from Houston to Hanoi, returning Mon, Sep 22, priced at $1,053 found 1 hour ago
Cathay Pacific
Mon, Aug 25 - Mon, Sep 8
IAH
Houston
HAN
Hanoi
$1,146 Roundtrip, found 9 hours ago
$1,146
Roundtrip
found 9 hours ago
Select Cathay Pacific flight, departing Mon, Aug 25 from Houston to Hanoi, returning Mon, Sep 8, priced at $1,146 found 9 hours ago
American Airlines
Tue, Sep 16 - Tue, Sep 30
IAH
Houston
HAN
Hanoi
$1,159 Roundtrip, found 4 days ago
$1,159
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 16 from Houston to Hanoi, returning Tue, Sep 30, priced at $1,159 found 4 days ago
Korean Air
Tue, Aug 12 - Mon, Sep 22
IAH
Houston
HAN
Hanoi
$1,171 Roundtrip, found 1 hour ago
$1,171
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Tue, Aug 12 from Houston to Hanoi, returning Mon, Sep 22, priced at $1,171 found 1 hour ago
Japan Airlines
Thu, Sep 4 - Mon, Sep 15
IAH
Houston
HAN
Hanoi
$1,175 Roundtrip, found 1 day ago
$1,175
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Thu, Sep 4 from Houston to Hanoi, returning Mon, Sep 15, priced at $1,175 found 1 day ago

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Noi Bai Intl. Airport (HAN) cost?
Discover the latest flight deals from HOU to HAN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HOU to HAN?
The cheapest flights from HOU to HAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HOU to HAN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from HOU to HAN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
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.
*Available to One Key members.