$795 Cheap Flights from St. Thomas (STT) to Hanoi (HAN)

View $795 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from St. Thomas to Hanoi (STT-HAN)

Prices were available within the past 7 days and start at $795 for one-way flights and $1,729 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,729 Roundtrip, found 4 days ago
$1,729
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,729 found 4 days ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,771 Roundtrip, found 4 days ago
$1,771
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,771 found 4 days ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,774 Roundtrip, found 4 days ago
$1,774
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,774 found 4 days ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,775 Roundtrip, found 4 days ago
$1,775
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,775 found 4 days ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,803 Roundtrip, found 4 days ago
$1,803
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,803 found 4 days ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,814 Roundtrip, found 4 days ago
$1,814
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,814 found 4 days ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,816 Roundtrip, found 4 days ago
$1,816
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,816 found 4 days ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,818 Roundtrip, found 4 days ago
$1,818
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,818 found 4 days ago
Delta
Mon, Mar 9 - Fri, Mar 13
STT
St. Thomas
HAN
Hanoi
$1,831 Roundtrip, found 4 days ago
$1,831
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Mar 9 from St. Thomas to Hanoi, returning Fri, Mar 13, priced at $1,831 found 4 days ago
Qatar Airways
Thu, Dec 25 - Thu, Jan 1
STT
St. Thomas
HAN
Hanoi
$7,543 Roundtrip, found 4 days ago
$7,543
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Thu, Dec 25 from St. Thomas to Hanoi, returning Thu, Jan 1, priced at $7,543 found 4 days ago

Frequently asked questions

How much does a flight from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN) cost?
Lock in a cheap one-way flight from $795 or cheap return flight from $1,729 from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN)?
The cheapest month to fly from STT to HAN is March, when there's less demand. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STT to HAN. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN)?
You'll have to hop on a flight with a layover when traveling from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from STT to HAN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN)?
Choose a flight from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN) that takes off before 3 PM to reduce the risk of cancellations. 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 Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN) last-minute?
Holding off until just before your trip to book your flight from STT to HAN often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a STT to HAN flight and hotel package?
You can save money by securing a STT 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 simple to manage everything in one convenient place. After choosing your preferred accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Noi Bai Intl. Airport (HAN)?
Generally, it's possible to cancel or reschedule your STT to HAN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Cyril E. King
Destination airport
Noi Bai Intl.
Roundtrip price
$1,729
Distance
9633 mi

Book with confidence

St. Thomas to Hanoi Flights

The cheapest times to fly from St. Thomas 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 St. Thomas to Hanoi are during the month of March. You can find some of the cheapest flights from St. Thomas to Hanoi with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to Hanoi

Sunday is one of the best days to book for cheap flights from St. Thomas 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 St. Thomas 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 St. Thomas to Hanoi in 2026. You can also book with separate airlines for your outbound and return journeys, from $795 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 St. Thomas 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 St. Thomas 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.

 

St. Thomas to Hanoi Flights

Explore a world of travel with Expedia

*Available to One Key members.