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 19% on flights from St. Louis to Vientiane. Friday is the cheapest departure day at $1,526 round-trip on average, while Tuesday is the most expensive at $1,878, a difference of $352. 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 $1,893 to $5,013. 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 12 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

$1,893

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

Multiple Airlines

Sun 11/18Sat 12/15

STL - VTE • 2 stops

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Flight Deals

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

Wed, Nov 18 - Tue, Dec 15

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

43h 20m2 stops Toronto Pearson Intl Incheon Intl

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

51h 01m2 stops Incheon Intl Toronto Pearson Intl

$1,893Multiple Airlines

Wed, Nov 18 - Wed, Dec 16

1:15 pm - 1:05 pmSTL Lambert-St Louis-VTE Vientiane Wattay

34h 50m3 stops Philadelphia Doha Hamad Intl Bangkok Suvarnabhumi

8:30 pm - 7:52 pmVTE Vientiane Wattay-STL Lambert-St Louis

36h 22m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Chicago O'Hare Intl

$2,069Multiple Airlines

Wed, Nov 18 - Wed, Dec 16

1:15 pm - 1:05 pmSTL Lambert-St Louis-VTE Vientiane Wattay

34h 50m3 stops Philadelphia Doha Hamad Intl Bangkok Suvarnabhumi

8:30 pm - 7:52 pmVTE Vientiane Wattay-STL Lambert-St Louis

36h 22m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Chicago O'Hare Intl

$2,074Multiple Airlines

Wed, Nov 18 - Wed, Dec 16

1:15 pm - 1:05 pmSTL Lambert-St Louis-VTE Vientiane Wattay

34h 50m3 stops Philadelphia Doha Hamad Intl Bangkok Suvarnabhumi

8:30 pm - 7:52 pmVTE Vientiane Wattay-STL Lambert-St Louis

36h 22m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Chicago O'Hare Intl

$2,167Multiple Airlines

Thu, Nov 19 - Thu, Nov 26

1:21 pm - 1:05 pmSTL Lambert-St Louis-VTE Vientiane Wattay

34h 44m3 stops Philadelphia Doha Hamad Intl Bangkok Suvarnabhumi

8:30 pm - 7:50 pmVTE Vientiane Wattay-STL Lambert-St Louis

36h 20m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Chicago O'Hare Intl

$2,357Multiple Airlines

Thu, Dec 3 - Wed, Dec 30

1:17 pm - 10:40 amSTL Lambert-St Louis-VTE Vientiane Wattay

32h 23m3 stops Philadelphia Doha Hamad Intl Hanoi Noibai

8:30 pm - 7:52 pmVTE Vientiane Wattay-STL Lambert-St Louis

36h 22m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Chicago O'Hare Intl

$2,388Multiple Airlines

Wed, Nov 18 - Tue, Dec 15

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

43h 20m2 stops Toronto Pearson Intl Incheon Intl

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

51h 01m2 stops Incheon Intl Toronto Pearson Intl

$3,119Multiple Airlines

Wed, Nov 18 - Tue, Dec 15

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

43h 20m2 stops Toronto Pearson Intl Incheon Intl

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

51h 01m2 stops Incheon Intl Toronto Pearson Intl

$3,172Multiple Airlines

Thu, Nov 19 - Thu, Nov 26

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

43h 20m2 stops Toronto Pearson Intl Incheon Intl

4:25 pm - 2:22 pmVTE Vientiane Wattay-STL Lambert-St Louis

34h 57m3 stops Guangzhou Baiyun Vancouver Intl Seattle/Tacoma Intl

$4,039Multiple Airlines

Thu, Dec 3 - Tue, Dec 29

6:03 am - 12:25 amSTL Lambert-St Louis-VTE Vientiane Wattay

29h 22m2 stops Minneapolis St Paul Incheon Intl

1:25 am - 11:58 pmVTE Vientiane Wattay-STL Lambert-St Louis

35h 33m2 stops Incheon Intl Seattle/Tacoma Intl

$4,119Multiple Airlines

Useful Info

Cheapest flight	$1,893

Round-trip 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 $1,893 to $5,013. 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 19% on flights from St. Louis to Vientiane. Friday is the cheapest departure day at $1,526 round-trip on average, while Tuesday is the most expensive at $1,878, a difference of $352.

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 12 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 Friday departure and avoid flying on Tuesday. On this route, Friday flights average $1,526, about $352 less than Tuesday fares (19% 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
• Chang Palace Vientiane
• Jian Guo Grand Hotel

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STL - VTE

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

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Your guide to booking St. Louis to Vientiane flights

More options for your flight from St. Louis to Vientiane

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