Statistics on London-Vientiane flights: what is the right price and when to buy your plane ticket?
Best time to go: what is the RIGHT price for a round-trip flight to Vientiane (from: London)
The average price to go to Vientiane from London airport is $ 1007 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 834 (in march) and $ 1274 (in august), which is a saving of $ 174 or a surplus of $ 267 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $651 to $705 and it is generally more economical to leave on a wednesday and return on a sunday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Vientiane before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your London-Vientiane plane ticket.
How are these data calculated?
We have studied a sample of 34703 airfare prices from previous years for flights to Vientiane from London and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in march, the price of the plane ticket will statistically be the cheapest ($ 834, saving $ 174 compared to the average price over the year which is $ 1007). Conversely, august will be the most expensive ($ 1274).
Flight London-Vientiane: when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 837 | $ 1020 | fair price |
| February | $ 802 | $ 995 | fair price |
| March | $ 685 | $ 834 the cheapest | very good price |
| April | $ 877 | $ 1040 | fair price |
| May | $ 714 | $ 861 | good price |
| June | $ 724 | $ 896 | good price |
| July | $ 876 | $ 1097 | fair price |
| August | $ 1017 | $ 1274 the most expensive | very high price |
| September | $ 804 | $ 993 | fair price |
| October | $ 766 | $ 968 | fair price |
| November | $ 737 | $ 929 | good price |
| December | $ 952 | $ 1169 | high price |
*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!
Price breakdown to travel from London to Vientiane
Data analysis:
The prices for flights from London to Vientiane range from $542 to $1464. 2% of tickets were purchased at the minimum price (from $542 to $597), 1% at the maximum price (from $1409 to $1464). The majority of plane tickets were purchased in the range of $651 to $705 (10% of tickets).
Cheapest airlines for the London->Vientiane flight
There are 18 companies that serve London from Vientiane airport: China Southern, Thai Airways, China Eastern, Ryanair, Wizz Air Uk, Qatar Airways, Vietnam Airlines, Singapore Airlines, EasyJet, Wizz Air, Air China, Emirates, British Airways, wizz air malta, Gulf Air, Shenzhen Airlines, Etihad Airways and Cathay Pacific.
Data analysis:
Of the 34703 flights analyzed in previous years, China Southern was the airline that offered the best fare most often in the flight ticket search results (13% of the time) on the London->Vientiane route.
Which day of the week to leave?
Data analysis:
Statistically, London-Vientiane flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $17. On the other hand, departing on a saturday may cost you an additional $23.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Vientiane to London departing on a sunday are cheaper than on other days of the week. By choosing a sunday for your return date, you will save an average of $33. Conversely, departing from Vientiane on a friday may cost you an additional $31.
Top prices London-Vientiane
| Round trip | Dates | Price | |
|---|---|---|---|
| London → Vientiane | 01-05 to 08-05-2025 | $ 585 | layover flight with China Southern |
| London → Vientiane | 04-05 to 27-05-2025 | $ 571 | layover flight with China Southern |
| London → Vientiane | 05-05 to 13-05-2025 | $ 646 | layover flight with China Southern |
| London → Vientiane | 07-05 to 21-05-2025 | $ 614 | layover flight with China Southern |
| London → Vientiane | 11-05 to 18-05-2025 | $ 590 | layover flight with China Southern |
| London → Vientiane | 12-05 to 19-05-2025 | $ 556 | layover flight with China Southern |
| London → Vientiane | 19-05 to 25-05-2025 | $ 567 | layover flight with China Southern |
| London → Vientiane | 21-05 to 28-05-2025 | $ 611 | layover flight with China Southern |
| London → Vientiane | 02-06 to 19-06-2025 | $ 645 | layover flight with China Southern |
| London → Vientiane | 09-06 to 18-06-2025 | $ 656 | layover flight with China Southern |
When to book your flight London - Vientiane to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 3 to 4 months in advance. However, you may end up paying a high price if you book between 11 to 12 months in advance.
Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a London-Vientiane flight, it is recommended to book your ticket on a sunday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from London to Vientiane, it is recommended to buy it 3 to 4 months before departure (it is then on average 931 $, which is a saving of 76 $ compared to the overall average price). On the other hand, if you buy your ticket 11 to 12 months in advance, you will pay the full price (232 $ more than the average price).
Depending on the departure month
The best time to buy your London to Vientiane flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.
| Departure on... | How far in advance should I book? |
|---|---|
| January | Best time: 6 to 7 months before departure (average price: 904 $) Other interesting period(s): 3 to 4 months ($ 985), 4 to 5 months ($ 912), 5 to 6 months ($ 917), 7 to 8 months ($ 976), 10 to 11 months ($ 974) |
| February | Best time: 5 to 6 months before departure (average price: 858 $) Other interesting period(s): 1 to 2 months ($ 965), 4 to 5 months ($ 876), 6 to 7 months ($ 946), 7 to 8 months ($ 978), 8 to 9 months ($ 914), 9 to 10 months ($ 940) |
| March | Best time: 5 to 6 months before departure (average price: 756 $) Other interesting period(s): 1 to 2 months ($ 804), 2 to 3 months ($ 815), 3 to 4 months ($ 821), 6 to 7 months ($ 775) |
| April | Best time: 2 to 3 months before departure (average price: 968 $) Other interesting period(s): 1 to 2 months ($ 975), 3 to 4 months ($ 979), 9 to 10 months ($ 1009) |
| May | Best time: 3 to 4 months before departure (average price: 773 $) Other interesting period(s): 1 to 2 months ($ 838), 2 to 3 months ($ 802), 4 to 5 months ($ 797) |
| June | Best time: 3 to 4 months before departure (average price: 781 $) Other interesting period(s): 4 to 5 months ($ 833), 5 to 6 months ($ 863), 6 to 7 months ($ 895) |
| July | Best time: 3 to 4 months before departure (average price: 942 $) Other interesting period(s): 2 to 3 months ($ 1012), 4 to 5 months ($ 1001), 5 to 6 months ($ 1071), 6 to 7 months ($ 1096), 8 to 9 months ($ 1079), 9 to 10 months ($ 960) |
| August | Best time: 2 to 3 months before departure (average price: 1121 $) Other interesting period(s): 1 to 2 months ($ 1219), 3 to 4 months ($ 1219), 4 to 5 months ($ 1149), 5 to 6 months ($ 1209), 7 to 8 months ($ 1218), 8 to 9 months ($ 1236) |
| September | Best time: 2 to 3 months before departure (average price: 896 $) Other interesting period(s): 3 to 4 months ($ 975), 4 to 5 months ($ 910), 5 to 6 months ($ 930), 6 to 7 months ($ 976), 8 to 9 months ($ 988) |
| October | Best time: 3 to 4 months before departure (average price: 812 $) Other interesting period(s): 1 to 2 months ($ 903), 2 to 3 months ($ 866), 4 to 5 months ($ 904), 5 to 6 months ($ 900), 9 to 10 months ($ 954) |
| November | Best time: 3 to 4 months before departure (average price: 791 $) Other interesting period(s): 2 to 3 months ($ 874), 4 to 5 months ($ 802), 5 to 6 months ($ 841), 6 to 7 months ($ 882) |
| December | Best time: 4 to 5 months before departure (average price: 1098 $) Other interesting period(s): 2 to 3 months ($ 1142), 3 to 4 months ($ 1111), 5 to 6 months ($ 1122), 6 to 7 months ($ 1148), 9 to 10 months ($ 1147) |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, sunday is the day when plane tickets for London->Vientiane are the cheapest. So, by buying your plane ticket on a sunday, you will save $7. Conversely, by buying it on a saturday, you may end up paying $7 more.
London to Vientiane: flight price when booking today
Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.
| Month | Current price | Our opinion | |
|---|---|---|---|
| April 2025 | $ 1078 $659 to $2040 | high price | Find a flight |
| May 2025 | $ 662 $556 to $915 | very good price | Find a flight |
| June 2025 | $ 735 $558 to $914 | very good price | Find a flight |
| July 2025 | $ 938 $859 to $1063 | very good price | Find a flight |
| August 2025 | $ 1066 $864 to $1209 | very good price | Find a flight |
| September 2025 | $ 904 $792 to $1118 | very good price | Find a flight |
| October 2025 | $ 871 $663 to $1126 | very good price | Find a flight |
| November 2025 | $ 691 $666 to $785 | very good price | Find a flight |
| December 2025 | $ 1289 $983 to $1736 | high price | Find a flight |
| January 2026 | $ 819 $793 to $874 | very good price | Find a flight |
| February 2026 | $ 915 $856 to $949 | very good price | Find a flight |
| March 2026 | $ 706 $706 to $706 | very good price | Find a flight |
Data analysis:
Compared to the average price, may, june, july, august, september, october, november, january, february and march are cheaper to travel to Vientiane. So it may be interesting to book now to leave during these months!