Cheap flights from St. Louis to Vientiane from £515

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3 stops
Thu, Jun 5
St. Louis STLVientiane VTE

£515
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3 stops
Fri, Jun 6
St. Louis STLVientiane VTE

£520
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3 stops
Fri, Jun 6
St. Louis STLVientiane VTE

£522
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3 stops
Thu, Jun 5
St. Louis STLVientiane VTE

£524
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3 stops
Tue, Jun 3
St. Louis STLVientiane VTE

£663
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3 stops
Sat, Jun 7
St. Louis STLVientiane VTE

£710
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Prices updated:

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2 stops
Tue, Jun 3 – Fri, Jun 6
St. Louis STLVientiane VTE

£1,656
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2 stops
Sat, Jun 7 – Thu, Jun 12
St. Louis STLVientiane VTE

£1,877
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2 stops
Sat, Jun 7 – Fri, Jun 13
St. Louis STLVientiane VTE

£1,888
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2 stops
Sun, Jun 1 – Thu, Jun 5
St. Louis STLVientiane VTE

£1,892
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2 stops
Sat, Jun 7 – Fri, Jun 13
St. Louis STLVientiane VTE

£1,894
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2 stops
Sun, Jun 1 – Fri, Jun 6
St. Louis STLVientiane VTE

£1,906
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How much do flights to Vientiane cost?

Key info about flying to Vientiane

Depart from
St. Louis Lambert International
Arrive to
Wattay International
Average flights per week
158
Flight distance

Check-in for a flight from St. Louis to Vientiane

NameCarrier codeIATA CodePassport needed during booking
Hawaiian AirlinesHALHANo
Thai AirAsiaAIQFDNo
Thai AirwaysTHATGNo
Qatar AirwaysQTRQRYes
Vietnam AirlinesHVNVNYes

Weather in Vientiane

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January28°C17°C
February32°C20°C
March35°C23°C
April36°C25°C
May34°C25°C
June31°C25°C
July30°C24°C
August30°C24°C
September30°C23°C
October30°C22°C
November30°C20°C
December28°C17°C
Hottest Month
36°C
April
Coldest month
17°C
January
Sunny days
242
days per year

14 day forecast

Sunday
11 May
88%
34°C24°C
18 May
88%
33°C24°C
Monday
12 May
87%
34°C23°C
19 May
81%
35°C24°C
Tuesday
13 May
88%
33°C25°C
20 May
37°C26°C
Wednesday
14 May
83%
27°C23°C
21 May
37°C27°C
Thursday
15 May
88%
29°C23°C
22 May
38°C27°C
Friday
16 May
88%
29°C23°C
23 May
83%
38°C28°C
Saturday
17 May
84%
31°C24°C
24 May
75%
36°C25°C
The most popular airlines for this route are Hawaiian Airlines, Thai AirAsia, Thai Airways, Qatar Airways, and Vietnam Airlines. St. Louis and Vientiane have 158 direct flights per week.

Frequently asked questions

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What time do flights between St. Louis and Vientiane depart?
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Flights from St. Louis

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