$524 Cheap Flights from Louisville (SDF) to Hanoi (HAN)

View $524 flight on Sat, Jan 10, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Noi Bai Intl. Airport (HAN)

Cheap Flights from Louisville to Hanoi (SDF-HAN)

Prices were available within the past 7 days and start at $524 for one-way flights and $860 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Wed, Jan 21 - Tue, Feb 3
SDF
Louisville
HAN
Hanoi
$860 Roundtrip, found 2 days ago
$860
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Wed, Jan 21 from Louisville to Hanoi, returning Tue, Feb 3, priced at $860 found 2 days ago
All Nippon Airways
Thu, Jan 22 - Tue, Feb 10
SDF
Louisville
HAN
Hanoi
$866 Roundtrip, found 2 days ago
$866
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Jan 22 from Louisville to Hanoi, returning Tue, Feb 10, priced at $866 found 2 days ago
United
Sun, Jan 18 - Mon, Feb 2
SDF
Louisville
HAN
Hanoi
$870 Roundtrip, found 2 days ago
$870
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 18 from Louisville to Hanoi, returning Mon, Feb 2, priced at $870 found 2 days ago
All Nippon Airways
Sun, Jan 25 - Tue, Feb 10
SDF
Louisville
HAN
Hanoi
$871 Roundtrip, found 2 days ago
$871
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Sun, Jan 25 from Louisville to Hanoi, returning Tue, Feb 10, priced at $871 found 2 days ago
All Nippon Airways
Wed, Jan 21 - Fri, Jan 30
SDF
Louisville
HAN
Hanoi
$894 Roundtrip, found 2 days ago
$894
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Wed, Jan 21 from Louisville to Hanoi, returning Fri, Jan 30, priced at $894 found 2 days ago
United
Sun, Jan 18 - Fri, Jan 30
SDF
Louisville
HAN
Hanoi
$904 Roundtrip, found 2 days ago
$904
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 18 from Louisville to Hanoi, returning Fri, Jan 30, priced at $904 found 2 days ago
All Nippon Airways
Sat, Jan 24 - Tue, Feb 10
SDF
Louisville
HAN
Hanoi
$905 Roundtrip, found 2 days ago
$905
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Sat, Jan 24 from Louisville to Hanoi, returning Tue, Feb 10, priced at $905 found 2 days ago
Japan Airlines
Mon, Jan 12 - Sun, Jan 25
SDF
Louisville
HAN
Hanoi
$993 Roundtrip, found 2 days ago
$993
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Mon, Jan 12 from Louisville to Hanoi, returning Sun, Jan 25, priced at $993 found 2 days ago
American Airlines
Wed, Apr 22 - Tue, Apr 28
SDF
Louisville
HAN
Hanoi
$1,116 Roundtrip, found 6 days ago
$1,116
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Apr 22 from Louisville to Hanoi, returning Tue, Apr 28, priced at $1,116 found 6 days ago
Korean Air
Tue, Mar 31 - Wed, Apr 15
SDF
Louisville
HAN
Hanoi
$1,221 Roundtrip, found 2 days ago
$1,221
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, Mar 31 from Louisville to Hanoi, returning Wed, Apr 15, priced at $1,221 found 2 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 $3,051
HAN
Noi Bai Intl.
CheapestClosest
Average driving time to city center24 min
Flights from $3,051
Flights from Louisville (SDF) to Hanoi (HAN)
Origin airport
Louisville Intl.
Destination airport
Noi Bai Intl.
Airlines serving
Air France, All Nippon Airways, American Airlines, Japan Airlines, Korean Air, Qatar Airways, United
Roundtrip price
$860
Distance
8264 mi

Louisville to Hanoi Flights

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

 

The best time to book a flight from Louisville to Hanoi

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Hanoi in 2026. You can also book with separate airlines for your outbound and return journeys, from $524 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 Louisville 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 Louisville 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 Louisville Intl. Airport (SDF) to Noi Bai Intl. Airport (HAN) cost?
Snag a cheap one-way flight from $524 or cheap return flight from $860 from Louisville Intl. Airport (SDF) 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 Louisville Intl. Airport (SDF) to Noi Bai Intl. Airport (HAN)?
January is the least expensive month to fly from SDF to HAN. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Noi Bai Intl. Airport (HAN)?
To find the cheapest airline that'll fly you from SDF to HAN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Louisville Intl. Airport (SDF) to Noi Bai Intl. Airport (HAN)?
There are no daily nonstop flights from Louisville Intl. Airport (SDF) 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 soaring above the clouds in no time at all.
What day of the week has the most flights from SDF to HAN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Noi Bai Intl. Airport (HAN)?
To arrive at Noi Bai Intl. Airport (HAN) on schedule, book a flight that takes off from Louisville Intl. Airport (SDF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Louisville Intl. Airport (SDF) to Noi Bai Intl. Airport (HAN) last-minute?
Booking your flight from SDF to HAN just before your getaway is usually more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a SDF to HAN flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDF to HAN flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Noi Bai Intl. Airport (HAN)?
Usually, it's possible to cancel or reschedule your SDF to HAN flight. However, if the booking was 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.

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*Available to One Key members.