$542 Cheap Flights from Houston (IAH) to Hanoi (HAN)

View $542 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Noi Bai Intl. Airport (HAN)

Cheap Flights from Houston to Hanoi (IAH-HAN)

Prices were available within the past 7 days and start at $542 for one-way flights and $824 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 3 - Thu, Nov 6
IAH
Houston
HAN
Hanoi
$824 Roundtrip, found 1 day ago
$824
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 3 from Houston to Hanoi, returning Thu, Nov 6, priced at $824 found 1 day ago
United
Tue, Sep 23 - Wed, Oct 1
IAH
Houston
HAN
Hanoi
$828 Roundtrip, found 3 days ago
$828
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 23 from Houston to Hanoi, returning Wed, Oct 1, priced at $828 found 3 days ago
United
Mon, Aug 18 - Mon, Aug 25
IAH
Houston
HAN
Hanoi
$830 Roundtrip, found 22 hours ago
$830
Roundtrip
found 22 hours ago
Select United flight, departing Mon, Aug 18 from Houston to Hanoi, returning Mon, Aug 25, priced at $830 found 22 hours ago
Delta
Tue, Sep 23 - Wed, Oct 1
IAH
Houston
HAN
Hanoi
$833 Roundtrip, found 3 days ago
$833
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 23 from Houston to Hanoi, returning Wed, Oct 1, priced at $833 found 3 days ago
All Nippon Airways
Wed, Nov 26 - Thu, Dec 4
IAH
Houston
HAN
Hanoi
$852 Roundtrip, found 1 day ago
$852
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Wed, Nov 26 from Houston to Hanoi, returning Thu, Dec 4, priced at $852 found 1 day ago
Delta
Mon, Nov 10 - Mon, Dec 8
IAH
Houston
HAN
Hanoi
$881 Roundtrip, found 1 day ago
$881
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 10 from Houston to Hanoi, returning Mon, Dec 8, priced at $881 found 1 day ago
Turkish Airlines
Tue, Aug 26 - Thu, Sep 4
IAH
Houston
HAN
Hanoi
$1,025 Roundtrip, found 1 day ago
$1,025
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Tue, Aug 26 from Houston to Hanoi, returning Thu, Sep 4, priced at $1,025 found 1 day ago
Japan Airlines
Tue, Sep 2 - Thu, Sep 11
IAH
Houston
HAN
Hanoi
$1,041 Roundtrip, found 3 days ago
$1,041
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Tue, Sep 2 from Houston to Hanoi, returning Thu, Sep 11, priced at $1,041 found 3 days ago
EVA Airways
Thu, Sep 18 - Tue, Sep 30
IAH
Houston
HAN
Hanoi
$1,056 Roundtrip, found 6 days ago
$1,056
Roundtrip
found 6 days ago
Select EVA Airways flight, departing Thu, Sep 18 from Houston to Hanoi, returning Tue, Sep 30, priced at $1,056 found 6 days ago
Korean Air
Wed, Nov 26 - Thu, Dec 4
IAH
Houston
HAN
Hanoi
$1,066 Roundtrip, found 1 day ago
$1,066
Roundtrip
found 1 day ago
Select Korean Air flight, departing Wed, Nov 26 from Houston to Hanoi, returning Thu, Dec 4, priced at $1,066 found 1 day ago

Find the cheapest month to fly from Houston (IAH) to Hanoi (HAN)

September is typically the cheapest month to fly

From $918 - $1,205 per traveler.

Graph displaying average flight prices per month

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 $1,181
HAN
Noi Bai Intl.
CheapestClosest
Average driving time to city center24 min
Flights from $1,181
Flights from Houston (IAH) to Hanoi (HAN)
Origin airport
George Bush Intercontinental
Destination airport
Noi Bai Intl.
Airlines serving
Air Canada, Air China, Air France, All Nippon Airways, American Airlines, Cathay Pacific, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Turkish Airlines, United
Roundtrip price
$824
Distance
8629 mi

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 $542 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.

 

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Noi Bai Intl. Airport (HAN) cost?
Discover the latest flight deals from IAH 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 IAH to HAN?
The cheapest flights from IAH 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 IAH to HAN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAH to HAN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to Noi Bai Intl. Airport (HAN)?
You'll need to catch a flight with a layover when traveling from George Bush Intercontinental Airport (IAH) to Noi Bai Intl. Airport (HAN). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from IAH to HAN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a number of factors, including the season 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 George Bush Intercontinental Airport (IAH) to Noi Bai Intl. Airport (HAN)?
Choose a flight from George Bush Intercontinental Airport (IAH) to Noi Bai Intl. Airport (HAN) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**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 George Bush Intercontinental Airport (IAH) to Noi Bai Intl. Airport (HAN) last-minute?
Holding off until just before your trip to book a ticket from IAH to HAN often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to maximize your chances of scoring a bargain.
Is it cheaper to book an IAH to HAN flight and hotel package?
You can save money by securing an IAH to HAN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Noi Bai Intl. Airport (HAN)?
Typically, you can reschedule or cancel your IAH to HAN flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more details, visit our Customer Service portal.

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*Available to One Key members.