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Cheap flights from London to Vientiane from £310

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 26/2. 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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0 bags

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Find the cheapest flights from London to Vientiane

Cheap return flights

China Southern Logo
22:10 - 17:45LHR-VTE
37h 35m1 stop
China Southern Logo
16:25 - 17:55VTE-LHR
32h 30m2 stops
£502China Southern
Find Deal
Fri, 3 Oct - Wed, 10 Dec
China Southern Logo
22:00 - 15:05LHR-VTE
34h 05m1 stop
China Southern Logo
16:25 - 14:00VTE-LHR
28h 35m2 stops
£504China Southern
Find Deal
Sat, 1 Nov - Sat, 8 Nov
China Southern Logo
12:00 - 17:45LGW-VTE
23h 45m1 stop
China Southern Logo
16:25 - 07:00VTE-LGW
21h 35m1 stop
£515China Southern
Find Deal
Fri, 3 Oct - Wed, 10 Dec
China Southern Logo
22:00 - 15:05LHR-VTE
34h 05m1 stop
China Southern Logo
16:25 - 17:55VTE-LHR
56h 30m2 stops
£516China Southern
Find Deal
Sat, 1 Nov - Sun, 16 Nov
Multiple Airlines Logo
16:55 - 17:45LGW-VTE
42h 50m2 stops
Multiple Airlines Logo
18:35 - 18:30VTE-LGW
30h 55m1 stop
£537Multiple Airlines
Find Deal
Wed, 8 Oct - Tue, 16 Dec
Multiple Airlines Logo
11:10 - 15:05LGW-VTE
20h 55m1 stop
Multiple Airlines Logo
01:05 - 14:00VTE-LGW
19h 55m1 stop
£598Multiple Airlines
Find Deal
Thu, 1 Jan - Mon, 26 Jan
China Eastern Logo
11:35 - 00:05LGW-VTE
30h 30m1 stop
China Eastern Logo
01:00 - 15:10VTE-LGW
20h 10m1 stop
£602China Eastern
Find Deal
Tue, 30 Sep - Thu, 2 Oct
China Eastern Logo
11:35 - 17:50LGW-VTE
24h 15m3 stops
China Eastern Logo
01:00 - 15:10VTE-LGW
20h 10m1 stop
£603China Eastern
Find Deal
Tue, 30 Sep - Thu, 2 Oct
Vietnam Airlines Logo
19:10 - 19:10LHR-VTE
18h 00m2 stops
Vietnam Airlines Logo
11:35 - 07:15VTE-LHR
26h 40m2 stops
£603Vietnam Airlines
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Thu, 9 Oct - Wed, 17 Dec
Vietnam Airlines Logo
19:50 - 19:10LHR-VTE
17h 20m2 stops
Vietnam Airlines Logo
19:45 - 07:15VTE-LHR
18h 30m1 stop
£688Vietnam Airlines
Find Deal
Tue, 7 Oct - Sun, 14 Dec

China Southern flights from London to Vientiane

Our best China Southern deals on London to Vientiane flight tickets
China Southern
3 Oct
LHR22:10London Heathrow
37h 35m
1 stop
VTE17:45Vientiane Wattay
10 Dec
VTE16:25Vientiane Wattay
32h 30m
2 stops
LHR17:55London Heathrow
£502
Find similar
China Southern
1 Nov
LHR22:00London Heathrow
34h 05m
1 stop
VTE15:05Vientiane Wattay
8 Nov
VTE16:25Vientiane Wattay
28h 35m
2 stops
LHR14:00London Heathrow
£504
Find similar
China Southern
3 Oct
LGW12:00London Gatwick
23h 45m
1 stop
VTE17:45Vientiane Wattay
10 Dec
VTE16:25Vientiane Wattay
21h 35m
1 stop
LGW07:00London Gatwick
£515
Find similar

China Eastern flights from London to Vientiane

Our best China Eastern deals on London to Vientiane flight tickets
China Eastern
30 Sept
LGW11:35London Gatwick
30h 30m
1 stop
VTE00:05Vientiane Wattay
2 Oct
VTE01:00Vientiane Wattay
20h 10m
1 stop
LGW15:10London Gatwick
£602
Find similar
China Eastern
30 Sept
LGW11:35London Gatwick
24h 15m
3 stops
VTE17:50Vientiane Wattay
2 Oct
VTE01:00Vientiane Wattay
20h 10m
1 stop
LGW15:10London Gatwick
£603
Find similar
China Eastern
3 Oct
LGW11:35London Gatwick
30h 30m
1 stop
VTE00:05Vientiane Wattay
9 Dec
VTE01:05Vientiane Wattay
19h 55m
1 stop
LGW14:00London Gatwick
£624
Find similar

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 18 September 2025.
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

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 3/10

22:10-17:45

1 stop37h 35m

Vientiane Wattay

Wed 10/12

16:25-17:55

2 stops32h 30m

£502

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 1/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sat 8/11

16:25-14:00

2 stops28h 35m

£504

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Fri 3/10

12:00-17:45

1 stop23h 45m

Vientiane Wattay

Wed 10/12

16:25-07:00

1 stop21h 35m

£515

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 1/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sun 16/11

16:25-17:55

2 stops56h 30m

£516

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Wed 8/10

16:55-17:45

2 stops42h 50m

Vientiane Wattay

Tue 16/12

18:35-18:30

1 stop30h 55m

£537

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 1/1

11:10-15:05

1 stop20h 55m

Vientiane Wattay

Mon 26/1

01:05-14:00

1 stop19h 55m

£598

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 30/9

11:35-00:05

1 stop30h 30m

Vientiane Wattay

Thu 2/10

01:00-15:10

1 stop20h 10m

£602

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 30/9

11:35-17:50

3 stops24h 15m

Vientiane Wattay

Thu 2/10

01:00-15:10

1 stop20h 10m

£603

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 9/10

19:10-19:10

2 stops18h 00m

Vientiane Wattay

Wed 17/12

11:35-07:15

2 stops26h 40m

£603

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 7/10

19:50-19:10

2 stops17h 20m

Vientiane Wattay

Sun 14/12

19:45-07:15

1 stop18h 30m

£688

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 £489. If you’re not able to fly to Vientiane in September, then June is your next best option. Flight prices from London to Vientiane during June average around £506.

What is the cheapest day to depart on your flight to Vientiane?

The cheapest day to depart from London to Vientiane is on a Thursday when prices can be found for as low as £721. On the other hand, Saturday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £817.

What is the cheapest time of day to depart on your flight to Vientiane?

The cheapest time of day to fly to Vientiane is in the afternoon when flights can be purchased for as low as £630. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £808 on average. Flights to Vientiane from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Direct flights

None
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 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 £464Free CancellationRating
7.5
110 reviews
Search China Southern flights
China EasternPriceFrom £564Free CancellationRating
7.2
166 reviews
Search China Eastern flights
Thai AirwaysPriceFrom £761Free CancellationRating
7.8
350 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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