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Cheap flights from London to Vientiane from £276

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 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to Vientiane

Cheap return flights

Enter your travel dates to find the best prices.
China Southern Logo
22:10 - 14:45
LHR
-
VTE
34h 35m
1 stop
China Southern Logo
11:30 - 16:15
VTE
-
LHR
34h 45m
2 stops
£500China Southern
Tue, 5 May - Tue, 19 May
Multiple Airlines Logo
22:10 - 10:30
LHR
-
VTE
30h 20m
1 stop
Multiple Airlines Logo
17:45 - 18:40
VTE
-
LHR
54h 55m
2 stops
£507Multiple Airlines
Tue, 9 Jun - Sat, 13 Jun
Multiple Airlines Logo
18:00 - 21:50
LGW
-
VTE
21h 50m
2 stops
Multiple Airlines Logo
07:25 - 06:40
VTE
-
LGW
29h 15m
2 stops
£508Multiple Airlines
Tue, 5 May - Wed, 20 May
Multiple Airlines Logo
18:00 - 21:50
LGW
-
VTE
21h 50m
2 stops
Multiple Airlines Logo
07:25 - 06:40
VTE
-
LGW
29h 15m
2 stops
£509Multiple Airlines
Mon, 4 May - Wed, 20 May
China Southern Logo
22:10 - 14:45
LHR
-
VTE
34h 35m
1 stop
China Southern Logo
11:30 - 16:15
VTE
-
LHR
34h 45m
2 stops
£510China Southern
Tue, 28 Apr - Sat, 16 May
China Southern Logo
22:10 - 14:45
LHR
-
VTE
34h 35m
1 stop
China Southern Logo
11:30 - 16:15
VTE
-
LHR
34h 45m
2 stops
£512China Southern
Wed, 29 Apr - Tue, 12 May
China Eastern Logo
18:00 - 00:05
LGW
-
VTE
24h 05m
1 stop
China Eastern Logo
15:50 - 15:00
VTE
-
LGW
29h 10m
2 stops
£528China Eastern
Tue, 5 May - Wed, 20 May
China Eastern Logo
11:35 - 08:45
LGW
-
VTE
39h 10m
3 stops
China Eastern Logo
13:45 - 06:40
VTE
-
LGW
22h 55m
3 stops
£533China Eastern
Mon, 4 May - Wed, 20 May
China Eastern Logo
18:00 - 08:45
LGW
-
VTE
32h 45m
3 stops
China Eastern Logo
13:45 - 06:40
VTE
-
LGW
22h 55m
3 stops
£549China Eastern
Tue, 5 May - Wed, 20 May
China Eastern Logo
11:35 - 08:45
LGW
-
VTE
39h 10m
3 stops
China Eastern Logo
13:45 - 06:40
VTE
-
LGW
22h 55m
3 stops
£632China Eastern
Sat, 16 May - Wed, 20 May

China Eastern flights from London to Vientiane

Our best China Eastern deals on London to Vientiane flight tickets
China Eastern
5 May
LGW18:00London Gatwick
24h 05m
1 stop
VTE00:05Vientiane Wattay
20 May
VTE15:50Vientiane Wattay
29h 10m
2 stops
LGW15:00London Gatwick
£528
China Eastern
4 May
LGW11:35London Gatwick
39h 10m
3 stops
VTE08:45Vientiane Wattay
20 May
VTE13:45Vientiane Wattay
22h 55m
3 stops
LGW06:40London Gatwick
£533
China Eastern
5 May
LGW18:00London Gatwick
32h 45m
3 stops
VTE08:45Vientiane Wattay
20 May
VTE13:45Vientiane Wattay
22h 55m
3 stops
LGW06:40London Gatwick
£549

China Southern flights from London to Vientiane

Our best China Southern deals on London to Vientiane flight tickets
China Southern
5 May
LHR22:10London Heathrow
34h 35m
1 stop
VTE14:45Vientiane Wattay
19 May
VTE11:30Vientiane Wattay
34h 45m
2 stops
LHR16:15London Heathrow
£500
China Southern
28 Apr
LHR22:10London Heathrow
34h 35m
1 stop
VTE14:45Vientiane Wattay
16 May
VTE11:30Vientiane Wattay
34h 45m
2 stops
LHR16:15London Heathrow
£510
China Southern
29 Apr
LHR22:10London Heathrow
34h 35m
1 stop
VTE14:45Vientiane Wattay
12 May
VTE11:30Vientiane Wattay
34h 45m
2 stops
LHR16:15London Heathrow
£512

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 11 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

Tue 5/5

22:10-14:45

1 stop34h 35m

Vientiane Wattay

Tue 19/5

11:30-16:15

2 stops34h 45m

£500

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 9/6

22:10-10:30

1 stop30h 20m

Vientiane Wattay

Sat 13/6

17:45-18:40

2 stops54h 55m

£507
Fastest return journey

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 5/5

18:00-21:50

2 stops21h 50m

Vientiane Wattay

Wed 20/5

07:25-06:40

2 stops29h 15m

£508

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Mon 4/5

18:00-21:50

2 stops21h 50m

Vientiane Wattay

Wed 20/5

07:25-06:40

2 stops29h 15m

£509

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 28/4

22:10-14:45

1 stop34h 35m

Vientiane Wattay

Sat 16/5

11:30-16:15

2 stops34h 45m

£510

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 29/4

22:10-14:45

1 stop34h 35m

Vientiane Wattay

Tue 12/5

11:30-16:15

2 stops34h 45m

£512

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 5/5

18:00-00:05

1 stop24h 05m

Vientiane Wattay

Wed 20/5

15:50-15:00

2 stops29h 10m

£528

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Mon 4/5

11:35-08:45

3 stops39h 10m

Vientiane Wattay

Wed 20/5

13:45-06:40

3 stops22h 55m

£533

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 5/5

18:00-08:45

3 stops32h 45m

Vientiane Wattay

Wed 20/5

13:45-06:40

3 stops22h 55m

£549

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sat 16/5

11:35-08:45

3 stops39h 10m

Vientiane Wattay

Wed 20/5

13:45-06:40

3 stops22h 55m

£632

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 £497. 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 £565.

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

16h 30m

Direct flights

None
The fastest flight from London to Vientiane takes 16h 30m
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 16h 30m.

  • 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 £433Free CancellationRating
7.4
142 reviews
Search China Southern flights
China EasternPriceFrom £545Free CancellationRating
7.2
198 reviews
Search China Eastern flights
Thai AirwaysPriceFrom £811Free CancellationRating
7.8
391 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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