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Cheap flights from London to Vientiane from £293

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 18/5. 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
14:40 - 22:10
LHR
-
VTE
25h 30m
2 stops
Multiple Airlines Logo
07:20 - 07:30
VTE
-
LHR
30h 10m
2 stops
£545Multiple Airlines
Thu, 7 May - Sun, 17 May
Multiple Airlines Logo
16:15 - 22:10
LHR
-
VTE
23h 55m
2 stops
Multiple Airlines Logo
07:20 - 07:30
VTE
-
LHR
30h 10m
2 stops
£546Multiple Airlines
Wed, 6 May - Sun, 17 May
China Eastern Logo
11:35 - 00:05
LGW
-
VTE
30h 30m
1 stop
China Eastern Logo
09:45 - 15:00
VTE
-
LGW
35h 15m
3 stops
£560China Eastern
Thu, 7 May - Mon, 11 May
China Eastern Logo
11:35 - 16:45
LGW
-
VTE
23h 10m
2 stops
China Eastern Logo
09:45 - 15:00
VTE
-
LGW
35h 15m
3 stops
£565China Eastern
Thu, 7 May - Mon, 11 May
Multiple Airlines Logo
16:15 - 22:10
LHR
-
VTE
23h 55m
2 stops
Multiple Airlines Logo
07:20 - 07:30
VTE
-
LHR
30h 10m
2 stops
£578Multiple Airlines
Fri, 1 May - Sun, 17 May
Multiple Airlines Logo
16:15 - 22:10
LHR
-
VTE
23h 55m
2 stops
Multiple Airlines Logo
18:20 - 12:40
VTE
-
LHR
24h 20m
2 stops
£585Multiple Airlines
Fri, 8 May - Fri, 15 May
China Eastern Logo
11:35 - 16:45
LGW
-
VTE
23h 10m
2 stops
China Eastern Logo
17:45 - 15:00
VTE
-
LGW
27h 15m
2 stops
£604China Eastern
Mon, 8 Jun - Sun, 14 Jun
China Eastern Logo
18:00 - 08:45
LGW
-
VTE
32h 45m
3 stops
China Eastern Logo
17:45 - 15:00
VTE
-
LGW
27h 15m
2 stops
£604China Eastern
Mon, 8 Jun - Sun, 14 Jun
China Eastern Logo
18:00 - 00:05
LGW
-
VTE
24h 05m
1 stop
China Eastern Logo
13:45 - 15:00
VTE
-
LGW
31h 15m
2 stops
£612China Eastern
Thu, 7 May - Mon, 11 May
China Eastern Logo
18:00 - 08:45
LGW
-
VTE
32h 45m
3 stops
China Eastern Logo
15:50 - 15:00
VTE
-
LGW
53h 10m
3 stops
£616China Eastern
Thu, 7 May - Mon, 11 May

China Eastern flights from London to Vientiane

Our best China Eastern deals on London to Vientiane flight tickets
China Eastern
7 May
LGW11:35London Gatwick
30h 30m
1 stop
VTE00:05Vientiane Wattay
11 May
VTE09:45Vientiane Wattay
35h 15m
3 stops
LGW15:00London Gatwick
£560
China Eastern
7 May
LGW11:35London Gatwick
23h 10m
2 stops
VTE16:45Vientiane Wattay
11 May
VTE09:45Vientiane Wattay
35h 15m
3 stops
LGW15:00London Gatwick
£565
China Eastern
8 Jun
LGW11:35London Gatwick
23h 10m
2 stops
VTE16:45Vientiane Wattay
14 Jun
VTE17:45Vientiane Wattay
27h 15m
2 stops
LGW15:00London Gatwick
£604

China Southern flights from London to Vientiane

Our best China Southern deals on London to Vientiane flight tickets
China Southern
8 Jun
LHR22:10London Heathrow
30h 20m
1 stop
VTE10:30Vientiane Wattay
14 Jun
VTE15:50Vientiane Wattay
32h 15m
2 stops
LHR18:05London Heathrow
£711
China Southern
8 Jun
LGW11:40London Gatwick
16h 50m
1 stop
VTE10:30Vientiane Wattay
14 Jun
VTE15:50Vientiane Wattay
20h 40m
1 stop
LGW06:30London Gatwick
£770
China Southern
1 Apr
LHR22:10London Heathrow
34h 35m
1 stop
VTE14:45Vientiane Wattay
6 Apr
VTE15:50Vientiane Wattay
33h 30m
1 stop
LHR19:20London Heathrow
£1,836

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 24 March 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

Thu 7/5

14:40-22:10

2 stops25h 30m

Vientiane Wattay

Sun 17/5

07:20-07:30

2 stops30h 10m

£545

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 6/5

16:15-22:10

2 stops23h 55m

Vientiane Wattay

Sun 17/5

07:20-07:30

2 stops30h 10m

£546

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 7/5

11:35-00:05

1 stop30h 30m

Vientiane Wattay

Mon 11/5

09:45-15:00

3 stops35h 15m

£560

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 7/5

11:35-16:45

2 stops23h 10m

Vientiane Wattay

Mon 11/5

09:45-15:00

3 stops35h 15m

£565

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 1/5

16:15-22:10

2 stops23h 55m

Vientiane Wattay

Sun 17/5

07:20-07:30

2 stops30h 10m

£578
Fastest return journey

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 8/5

16:15-22:10

2 stops23h 55m

Vientiane Wattay

Fri 15/5

18:20-12:40

2 stops24h 20m

£585

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Mon 8/6

11:35-16:45

2 stops23h 10m

Vientiane Wattay

Sun 14/6

17:45-15:00

2 stops27h 15m

£604

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Mon 8/6

18:00-08:45

3 stops32h 45m

Vientiane Wattay

Sun 14/6

17:45-15:00

2 stops27h 15m

£604

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 7/5

18:00-00:05

1 stop24h 05m

Vientiane Wattay

Mon 11/5

13:45-15:00

2 stops31h 15m

£612

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 7/5

18:00-08:45

3 stops32h 45m

Vientiane Wattay

Mon 11/5

15:50-15:00

3 stops53h 10m

£616

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 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 £500. 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

18h 20m

Direct flights

None
The fastest flight from London to Vientiane takes 18h 20m
There are no direct flights from London to Vientiane. There are no popular flight routes from London to Vientiane.
Search flight deals

  • 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 18h 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 £435Free CancellationRating
7.4
145 reviews
Search China Southern flights
Thai AirwaysPriceFrom £815Free CancellationRating
7.8
394 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.

An easier way to manage your Vientiane trip

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