$454 Find Cheap Flights from Louisville to Vietnam

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Vietnam departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Louisville to Vietnam Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Vietnam that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Vietnam

Sat, Apr 11 - Tue, Apr 21
United Airlines Logo
9:55 am - 10:05 pm
SDF
-
SGN
49h 10m
3 stops
United Airlines Logo
7:00 am - 9:25 am
SGN
-
SDF
37h 25m
3 stops
$927United Airlines
Sat, Apr 11 - Tue, Apr 21
United Airlines Logo
5:00 am - 10:05 pm
SDF
-
SGN
30h 05m
3 stops
United Airlines Logo
7:00 am - 9:25 am
SGN
-
SDF
37h 25m
3 stops
$961United Airlines
Sat, Apr 11 - Tue, Apr 21
United Airlines Logo
3:30 pm - 12:15 am
SDF
-
SGN
45h 45m
2 stops
United Airlines Logo
7:00 am - 9:25 am
SGN
-
SDF
37h 25m
3 stops
$971United Airlines
Mon, Apr 6 - Mon, Apr 20
United Airlines Logo
9:07 am - 10:05 pm
SDF
-
SGN
49h 58m
3 stops
United Airlines Logo
7:00 am - 4:41 pm
SGN
-
SDF
44h 41m
3 stops
$979United Airlines
Tue, Mar 17 - Thu, Apr 30
United Airlines Logo
7:05 am - 10:55 pm
SDF
-
SGN
52h 50m
3 stops
United Airlines Logo
7:00 am - 10:30 pm
SGN
-
SDF
50h 30m
3 stops
$984United Airlines
Mon, Apr 6 - Mon, Apr 20
United Airlines Logo
5:00 am - 10:05 pm
SDF
-
SGN
30h 05m
3 stops
United Airlines Logo
7:00 am - 2:31 pm
SGN
-
SDF
42h 31m
3 stops
$987United Airlines
Mon, Apr 6 - Mon, Apr 20
Multiple Airlines Logo
5:00 am - 10:05 pm
SDF
-
SGN
30h 05m
2 stops
Multiple Airlines Logo
7:00 am - 2:31 pm
SGN
-
SDF
42h 31m
2 stops
$989Multiple Airlines
Sat, Apr 11 - Tue, Apr 21
Multiple Airlines Logo
5:00 am - 10:05 pm
SDF
-
SGN
30h 05m
2 stops
Multiple Airlines Logo
7:00 am - 11:56 pm
SGN
-
SDF
27h 56m
2 stops
$992Multiple Airlines
Mon, Apr 6 - Mon, Apr 20
United Airlines Logo
5:43 pm - 10:05 pm
SDF
-
SGN
41h 22m
3 stops
United Airlines Logo
7:00 am - 9:25 am
SGN
-
SDF
37h 25m
3 stops
$993United Airlines
Mon, Apr 6 - Mon, Apr 20
United Airlines Logo
5:00 am - 9:55 pm
SDF
-
SGN
53h 55m
2 stops
United Airlines Logo
7:00 am - 2:31 pm
SGN
-
SDF
42h 31m
3 stops
$1,003United Airlines
Booking Insights

KAYAK's insights & trends for Louisville to Vietnam flights

Get data-powered insights and trends into flights from Louisville to Vietnam to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Louisville to Vietnam?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Louisville to Vietnam, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Louisville to Vietnam is July, when tickets cost $1,005 (return) on average. On the other hand, the most expensive months are May and March, when the average cost of round-trip tickets is $1,594 and $1,472 respectively.

Good to know

Low seasonSeptember
Cheapest flight$454
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Louisville to Ho Chi Minh City

FAQs - booking Vietnam flights

  • How does KAYAK find such low prices on flights from Louisville to Vietnam?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Vietnam.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to Vietnam?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Louisville to Vietnam is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to Vietnam?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Louisville to Vietnam with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to Vietnam?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Louisville to Vietnam up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Louisville to Vietnam

 
Need help choosing which airline to fly with from Louisville to Vietnam? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
ANAOverall score based on 1103 reviews
8.5Boarding
8.2Comfort
7.7Food
7.9Entertainment
8.7Crew
Airline reviews

I originally thought I was booking with ANA airlines and didn't see "operated by United" until the day of. I even thought the United check-in update was a scam so ended up checking in 3 hours before the flight, causing separate seating and uncomfortable middle seats.

4.0 OkayBryan, Feb 2026
SFO - NRT
Read more ANA reviews

I originally thought I was booking with ANA airlines and didn't see "operated by United" until the day of. I even thought the United check-in update was a scam so ended up checking in 3 hours before the flight, causing separate seating and uncomfortable middle seats.

Very disappointing. Our flight was delayed for almost 6 hours with the lost time disrupting our travel plans. United should have known that any delay (approximately and hour) triggered a no-fly/work because according to the FAA they had to many flight hours. After the mechanical delay (approximately an hour) we had to wait for a fresh crew change. Seems to me that United could have anticipated this incident. Again, a very disappointing travel experience.

Excellent crew, food and comfort from LA to Narita. Flight from Narita to Manila was just okay, Food and comfort needs to improve. The business class was not comfortable.

Lots of leg room in premium. Departed exactly on time. Friendly crew.

Cabin Crew was excellent. They took care of everything requested. Flight was good

I was charged $200 for a 2nd checked bag, which is unreasonably high and feels like price gouging. Other than that the experience was excellent.

The ROOM was great. We would love to have it on all of our flights. LOL

I would prefer to fly with Japanese airlines over American ones. They have better food and service overall

United Airlines crew members do not know how to deal with emergency situation that caused our flight delay. For example, they should have asked the maintenance or seat belt repair personnel to come and fix the seat belt while they were looking for a volunteer to book another flight.

The pilot was kept warning about the weather terrifying us. The flight attendants were not warm or pleasant.

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

This flight was a superior flight in all regards. Extremely pleasant experience.

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

Not many people, so you can lay down on two seats

Everything was good except wifi and a leaking drink chiller. The floor was all wet and my bag was soaked. Did not notice until debarking. Have not heard back from Delta. Even though this was leg one of an international flight in first class, they denied access to their Sky Club - very disappointing!

The staff was fine. The plane was extremely tight, and I paid for the wifi and it did not work at all. I was actually going to ask for a refund.

two hour delay and the Delta representative on the PA system was unable to understand

An awesome flight crew. FC seat cushion just doesn’t cut it for a 3+ hour flight.

2+hrs delay without any reason provided and a cramped flight

We waited an hour on the runway to get a gate in Orlando

Flight was delayed by 3-hours and their fix was… complimentary pretzels.

Flight was delayed due to crew being not on time

Flight crew issues delayed my flight by 2 1/2 hours. Causing me to miss my connection.

The staff on board and gate was nice - a welcome change from the usual. We also arrived early, which was a great benefit, given that it takes 30 minutes plus to get bags at SRQ.

Flight delayed for more than 16 hrs and no effort was spent to provide an alternate

We got delayed three hours and nobody thought to have the bathroom fixed while we were sitting waiting to board? took a full hour to have maintenance come and check it off. Had to shut the bathroom down twice so that the pilots could go to the bathroom. Everyone missed their connections.

Flight left on time and we arrived 25 minutes early! There was a gate available when we arrived so early on a busy Sunday afternoon! Flight attendants came around twice with the drinks cart.

Wonderful. Quick boarding. Early departure and we arrived 30 minutes early at our destination. Unfortunately, when you arrive early, there is still a departing aircraft at our gate. We had to park for 30 minutes until the gate was clear. So our early arrival was not really early at the gate. Otherwise it was a quick and smooth flight. Appreciated the efficiency.

Flight on time. Excellent service in Premium Economy. Great food served and cleaned up promptly. Unfortunately the climate control was malfunctioning and it was very cold and felt a bit like camping. Cold helps with sleep though so not complaining too much. Slept well. It asks to rate "entertainment". I do not like any IFE, don't shove a big screen in my face—I have my own phone if I want it. So this will always get low ratings.

We had turbulence ever 1/2 hr or so and the captains announcements were SOOOO LOUD

Everything was great except for the boarding process. Everyone is lining up all at the same time and it’s hard to tell between the groups as they are way too large.

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

Overall we had a good experience during our flight from San Francisco to Houston.

Airport terminal was outdated, flight was on a small jet with no wifi

Everything you need to know for your flight from Louisville to Vietnam

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