Which airports can I use when flying from St. Louis to Vientiane?

Flights from St. Louis to Vientiane usually depart from Lambert-St Louis (STL) and arrive at Vientiane Wattay (VTE).

What cabin classes can I book on flights from St. Louis to Vientiane?

Only Economy Class is available on flights from St. Louis to Vientiane.

Can I save money by using flexible dates for flights from St. Louis to Vientiane?

Yes. Flexible dates can save you up to 9% on flights from St. Louis to Vientiane. Tuesday is the cheapest departure day at $1,394 round-trip on average, while Friday is the most expensive at $1,526, a difference of $132. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from St. Louis to Vientiane?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from St. Louis to Vientiane changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $2,104 to $6,621. That means the highest observed fare was about 3x higher than the lowest one.

What is the time difference between St. Louis and Vientiane?

Vientiane is 13 hours ahead of St. Louis (Indochina Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Cheap Flights from St. Louis to Vientiane | KAYAK

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Cheapest round-trip

$2,104

Typical prices: $1,497-$1,546

Multiple Airlines

Thu 11/29Thu 12/6

STL - VTE • 3 stops

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Cheap Flights from St. Louis to Vientiane (STL-VTE)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from St. Louis to Vientiane

Sun, Nov 29 - Sun, Dec 6

11:48 am - 9:10 amSTL Lambert-St Louis-VTE Vientiane Wattay

32h 22m3 stops Philadelphia Doha Hamad Intl Bangkok Suvarnabhumi

8:30 pm - 7:58 pmVTE Vientiane Wattay-STL Lambert-St Louis

36h 28m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Chicago O'Hare Intl

$2,104Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

7:18 pm - 2:00 pmSTL Lambert-St Louis-VTE Vientiane Wattay

53h 42m2 stops Atlanta Hartsfield-Jackson Incheon Intl

11:50 pm - 1:30 pmVTE Vientiane Wattay-STL Lambert-St Louis

26h 40m2 stops Incheon Intl Detroit Metropolitan Wayne County

$3,133Multiple Airlines

Thu, Dec 17 - Mon, Jan 18

7:18 pm - 2:00 pmSTL Lambert-St Louis-VTE Vientiane Wattay

53h 42m2 stops Atlanta Hartsfield-Jackson Incheon Intl

11:50 pm - 11:26 pmVTE Vientiane Wattay-STL Lambert-St Louis

36h 36m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$4,090Multiple Airlines

Thu, Dec 17 - Sun, Jan 17

4:32 pm - 10:10 pmSTL Lambert-St Louis-VTE Vientiane Wattay

40h 38m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

1:25 am - 3:26 pmVTE Vientiane Wattay-STL Lambert-St Louis

51h 01m2 stops Incheon Intl Toronto Pearson Intl

$4,198Multiple Airlines

Thu, Dec 17 - Mon, Jan 18

12:06 pm - 11:15 amSTL Lambert-St Louis-VTE Vientiane Wattay

34h 09m3 stops Miami Doha Hamad Intl Bangkok Suvarnabhumi

8:30 pm - 8:29 pmVTE Vientiane Wattay-STL Lambert-St Louis

36h 59m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Chicago O'Hare Intl

$4,513Multiple Airlines

Sun, Nov 29 - Sun, Dec 6

4:05 pm - 12:25 amSTL Lambert-St Louis-VTE Vientiane Wattay

43h 20m2 stops Toronto Pearson Intl Incheon Intl

4:25 pm - 11:59 pmVTE Vientiane Wattay-STL Lambert-St Louis

44h 34m3 stops Guangzhou Baiyun Hong Kong Intl Seattle/Tacoma Intl

$6,621Multiple Airlines

Useful Info

Cheapest flight	$1,810

One-way flight from St. Louis to Vientiane

When to book flights from St. Louis to Vientiane

Are your dates flexible? Find out the best times to travel from St. Louis to Vientiane based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to Vientiane?
Only Economy Class is available on flights from St. Louis to Vientiane.
Do I need a passport to fly from St. Louis to Vientiane?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from St. Louis to Vientiane changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $2,104 to $6,621. That means the highest observed fare was about 3x higher than the lowest one.
Which airports can I use when flying from St. Louis to Vientiane?
Flights from St. Louis to Vientiane usually depart from Lambert-St Louis (STL) and arrive at Vientiane Wattay (VTE).
Can I save money by using flexible dates for flights from St. Louis to Vientiane?
Yes. Flexible dates can save you up to 9% on flights from St. Louis to Vientiane. Tuesday is the cheapest departure day at $1,394 round-trip on average, while Friday is the most expensive at $1,526, a difference of $132.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between St. Louis and Vientiane?
Vientiane is 13 hours ahead of St. Louis (Indochina Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $1,394, about $132 less than Friday fares (9% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Vientiane Wattay Airport.

• S Park Design Hotel
• Jian Guo Grand Hotel

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STL - VTE

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Everything you should know

Cheap Flights from St. Louis to Vientiane (STL-VTE)

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When to book flights from St. Louis to Vientiane

Your St. Louis to Vientiane flight questions, answered

Your guide to booking St. Louis to Vientiane flights

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