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Cheap flights from London to Vientiane from £382

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Vientiane departing on 25/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London to Vientiane

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:30 - 11:00
LHR
-
VTE
19h 30m
2 stops
Multiple Airlines Logo
18:20 - 18:00
VTE
-
LHR
29h 40m
2 stops
£736Multiple Airlines
Wed, 20 May - Wed, 27 May
China Southern Logo
22:10 - 10:30
LHR
-
VTE
30h 20m
1 stop
China Southern Logo
11:30 - 18:45
VTE
-
LHR
37h 15m
2 stops
£768China Southern
Sat, 16 May - Sun, 24 May
Multiple Airlines Logo
20:50 - 11:00
LGW
-
VTE
32h 10m
3 stops
Multiple Airlines Logo
18:20 - 19:25
VTE
-
LGW
31h 05m
3 stops
£796Multiple Airlines
Sat, 16 May - Sun, 24 May
Multiple Airlines Logo
09:30 - 12:40
LHR
-
VTE
21h 10m
2 stops
Multiple Airlines Logo
13:30 - 06:25
VTE
-
LHR
22h 55m
2 stops
£797Multiple Airlines
Mon, 1 Jun - Mon, 15 Jun
Multiple Airlines Logo
08:05 - 12:40
LHR
-
VTE
22h 35m
2 stops
Multiple Airlines Logo
13:30 - 06:25
VTE
-
LHR
22h 55m
2 stops
£798Multiple Airlines
Mon, 1 Jun - Mon, 15 Jun
Vietnam Airlines Logo
18:55 - 10:35
LHR
-
VTE
33h 40m
1 stop
Vietnam Airlines Logo
11:20 - 17:50
VTE
-
LHR
36h 30m
2 stops
£802Vietnam Airlines
Mon, 1 Jun - Mon, 15 Jun
Vietnam Airlines Logo
18:55 - 10:35
LHR
-
VTE
33h 40m
1 stop
Vietnam Airlines Logo
11:20 - 17:50
VTE
-
LHR
36h 30m
2 stops
£815Vietnam Airlines
Mon, 1 Jun - Mon, 15 Jun
China Southern Logo
11:10 - 10:30
LGW
-
VTE
17h 20m
1 stop
China Southern Logo
11:30 - 19:40
VTE
-
LGW
38h 10m
1 stop
£820China Southern
Tue, 7 Jul - Sat, 11 Jul
China Eastern Logo
11:35 - 16:45
LGW
-
VTE
23h 10m
2 stops
China Eastern Logo
10:30 - 15:00
VTE
-
LGW
34h 30m
3 stops
£965China Eastern
Wed, 20 May - Wed, 27 May
China Eastern Logo
11:35 - 09:30
LGW
-
VTE
39h 55m
3 stops
China Eastern Logo
13:45 - 06:40
VTE
-
LGW
22h 55m
3 stops
£979China Eastern
Wed, 20 May - Wed, 27 May

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China Southern flights from London to Vientiane

Our best China Southern deals on London to Vientiane flight tickets
China Southern
16 May
LHR22:10London Heathrow
30h 20m
1 stop
VTE10:30Vientiane Wattay
24 May
VTE11:30Vientiane Wattay
37h 15m
2 stops
LHR18:45London Heathrow
£768
China Southern
7 Jul
LGW11:10London Gatwick
17h 20m
1 stop
VTE10:30Vientiane Wattay
11 Jul
VTE11:30Vientiane Wattay
38h 10m
1 stop
LGW19:40London Gatwick
£820
China Southern
16 May
LGW21:30London Gatwick
31h 00m
2 stops
VTE10:30Vientiane Wattay
24 May
VTE11:30Vientiane Wattay
25h 00m
1 stop
LGW06:30London Gatwick
£888

China Eastern flights from London to Vientiane

Our best China Eastern deals on London to Vientiane flight tickets
China Eastern
24 Apr
LGW11:35London Gatwick
43h 10m
3 stops
VTE12:45Vientiane Wattay
4 May
VTE17:45Vientiane Wattay
51h 15m
3 stops
LGW15:00London Gatwick
£821
China Eastern
23 Apr
LGW18:00London Gatwick
24h 05m
1 stop
VTE00:05Vientiane Wattay
4 May
VTE13:45Vientiane Wattay
55h 15m
3 stops
LGW15:00London Gatwick
£946
China Eastern
20 May
LGW11:35London Gatwick
23h 10m
2 stops
VTE16:45Vientiane Wattay
27 May
VTE10:30Vientiane Wattay
34h 30m
3 stops
LGW15:00London Gatwick
£965

momondo Fare Finder

 
Customise your flight search to find flights from London to Vientiane that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 22 April 2026.
Use the filters below to find and compare flights from London to Vientiane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 20/5

09:30-11:00

2 stops19h 30m

Vientiane Wattay

Wed 27/5

18:20-18:00

2 stops29h 40m

£736

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 16/5

22:10-10:30

1 stop30h 20m

Vientiane Wattay

Sun 24/5

11:30-18:45

2 stops37h 15m

£768

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sat 16/5

20:50-11:00

3 stops32h 10m

Vientiane Wattay

Sun 24/5

18:20-19:25

3 stops31h 05m

£796
Fastest return journey

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 1/6

09:30-12:40

2 stops21h 10m

Vientiane Wattay

Mon 15/6

13:30-06:25

2 stops22h 55m

£797

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 1/6

08:05-12:40

2 stops22h 35m

Vientiane Wattay

Mon 15/6

13:30-06:25

2 stops22h 55m

£798

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 1/6

18:55-10:35

1 stop33h 40m

Vientiane Wattay

Mon 15/6

11:20-17:50

2 stops36h 30m

£802

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 1/6

18:55-10:35

1 stop33h 40m

Vientiane Wattay

Mon 15/6

11:20-17:50

2 stops36h 30m

£815

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 7/7

11:10-10:30

1 stop17h 20m

Vientiane Wattay

Sat 11/7

11:30-19:40

1 stop38h 10m

£820

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Wed 20/5

11:35-16:45

2 stops23h 10m

Vientiane Wattay

Wed 27/5

10:30-15:00

3 stops34h 30m

£965

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Wed 20/5

11:35-09:30

3 stops39h 55m

Vientiane Wattay

Wed 27/5

13:45-06:40

3 stops22h 55m

£979

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Vientiane from

How to get the cheapest flight ticket from London to Vientiane

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Vientiane?

What is the cheapest month to fly to Vientiane?

In general, September is the cheapest month to fly from London to Vientiane. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £494. If you’re not able to fly to Vientiane in September, then May is your next best option. Flight prices from London to Vientiane during May average around £568.

Can stopping save me money on London to Vientiane flights?

You could potentially save up to 21% on your flight if you consider stops on a London to Vientiane flight.

When to book flights from London to Vientiane

Are you open to changing your travel dates? Check out the ideal times to fly from London to Vientiane according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Vientiane (LON to VTE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Vientiane

Fastest flight time

17h 20m

Direct flights

None
The fastest flight from London to Vientiane takes 17h 20m
There are no direct flights from London to Vientiane. There are no popular flight routes from London to Vientiane.
Search flight deals

Frequently asked questions about flying from London to Vientiane

  • How far is London to Vientiane Wattay by plane?

    Vientiane Wattay is 5774.2 mi away from London. A reasonable flight in good conditions will take 17h 20m.

  • When did momondo last update prices for flights from London to Vientiane Wattay Airport?

    Prices for flights from London to Vientiane Wattay Airport are updated daily.

  • How many operators does momondo search for flights from London to Vientiane Wattay Airport?

  • How old do you have to be to fly from London to Vientiane Wattay Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Vientiane Wattay Airport.

  • What documentation or ID do you need to fly to Vientiane Wattay Airport?

    The travel and health documents you'll need for your trip to Vientiane Wattay Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Vientiane Wattay Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to Vientiane?

Best airlines flying from London to Vientiane

Compare and see reviews for airlines that fly from London to Vientiane with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £430Free CancellationRating
7.4
149 reviews
Search China Southern flights
China EasternPriceFrom £469Free CancellationRating
7.2
208 reviews
Search China Eastern flights
Thai AirwaysPriceFrom £818Free CancellationRating
7.9
401 reviews
Search Thai Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Vientiane?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Vientiane for you.

Can I find flights from London to Vientiane with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Vientiane flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Vientiane?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Vientiane.

I’m not ready to book a flight from London to Vientiane right now. Can momondo alert me if prices change?

Price alerts on flights to Vientiane from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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