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Cheap flights from London to Vientiane from £314

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 7/12. 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
22:00 - 15:05LHR-VTE
34h 05m1 stop
China Southern Logo
16:25 - 14:00VTE-LHR
28h 35m2 stops
£521China Southern
Find Deal
Mon, 12 Jan - Sat, 31 Jan
China Southern Logo
21:30 - 15:05LHR-VTE
34h 35m2 stops
China Southern Logo
16:25 - 18:35VTE-LHR
33h 10m1 stop
£522China Southern
Find Deal
Sun, 30 Nov - Sun, 7 Dec
China Southern Logo
22:00 - 15:05LHR-VTE
34h 05m1 stop
China Southern Logo
16:25 - 18:35VTE-LHR
33h 10m1 stop
£537China Southern
Find Deal
Sat, 7 Mar - Fri, 20 Mar
China Southern Logo
22:00 - 15:05LHR-VTE
34h 05m1 stop
China Southern Logo
16:25 - 18:35VTE-LHR
33h 10m1 stop
£544China Southern
Find Deal
Sat, 7 Mar - Sun, 22 Mar
China Southern Logo
22:00 - 15:05LHR-VTE
34h 05m1 stop
China Southern Logo
16:25 - 18:35VTE-LHR
33h 10m1 stop
£549China Southern
Find Deal
Mon, 17 Nov - Thu, 27 Nov
Multiple Airlines Logo
22:00 - 15:05LHR-VTE
34h 05m1 stop
Multiple Airlines Logo
15:50 - 18:40VTE-LHR
32h 50m2 stops
£593Multiple Airlines
Find Deal
Sun, 1 Mar - Sun, 19 Apr
China Eastern Logo
10:30 - 00:05LGW-VTE
30h 35m1 stop
China Eastern Logo
18:00 - 06:30VTE-LGW
43h 30m3 stops
£608China Eastern
Find Deal
Sun, 18 Jan - Sun, 1 Feb
China Eastern Logo
10:30 - 17:00LGW-VTE
23h 30m2 stops
China Eastern Logo
18:00 - 06:30VTE-LGW
43h 30m3 stops
£609China Eastern
Find Deal
Sun, 18 Jan - Sun, 1 Feb
Multiple Airlines Logo
22:00 - 15:05LHR-VTE
34h 05m1 stop
Multiple Airlines Logo
01:05 - 17:30VTE-LHR
23h 25m1 stop
£612Multiple Airlines
Find Deal
Sat, 7 Mar - Sat, 21 Mar
Singapore Airlines Logo
09:25 - 12:00LGW-VTE
19h 35m1 stop
Singapore Airlines Logo
12:45 - 06:25VTE-LGW
23h 40m1 stop
£818Singapore Airlines
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Sun, 1 Mar - Sun, 7 Jun

China Southern flights from London to Vientiane

Our best China Southern deals on London to Vientiane flight tickets
China Southern
12 Jan
LHR22:00London Heathrow
34h 05m
1 stop
VTE15:05Vientiane Wattay
31 Jan
VTE16:25Vientiane Wattay
28h 35m
2 stops
LHR14:00London Heathrow
£521
Find similar
China Southern
30 Nov
LHR21:30London Heathrow
34h 35m
2 stops
VTE15:05Vientiane Wattay
7 Dec
VTE16:25Vientiane Wattay
33h 10m
1 stop
LHR18:35London Heathrow
£522
Find similar
China Southern
7 Mar
LHR22:00London Heathrow
34h 05m
1 stop
VTE15:05Vientiane Wattay
20 Mar
VTE16:25Vientiane Wattay
33h 10m
1 stop
LHR18:35London Heathrow
£537
Find similar

China Eastern flights from London to Vientiane

Our best China Eastern deals on London to Vientiane flight tickets
China Eastern
18 Jan
LGW10:30London Gatwick
30h 35m
1 stop
VTE00:05Vientiane Wattay
1 Feb
VTE18:00Vientiane Wattay
43h 30m
3 stops
LGW06:30London Gatwick
£608
Find similar
China Eastern
18 Jan
LGW10:30London Gatwick
23h 30m
2 stops
VTE17:00Vientiane Wattay
1 Feb
VTE18:00Vientiane Wattay
43h 30m
3 stops
LGW06:30London Gatwick
£609
Find similar
China Eastern
30 Nov
LGW10:30London Gatwick
23h 30m
2 stops
VTE17:00Vientiane Wattay
7 Dec
VTE18:00Vientiane Wattay
43h 30m
3 stops
LGW06:30London Gatwick
£615
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 4 November 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

Mon 12/1

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sat 31/1

16:25-14:00

2 stops28h 35m

£521

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 30/11

21:30-15:05

2 stops34h 35m

Vientiane Wattay

Sun 7/12

16:25-18:35

1 stop33h 10m

£522

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 7/3

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Fri 20/3

16:25-18:35

1 stop33h 10m

£537

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 7/3

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sun 22/3

16:25-18:35

1 stop33h 10m

£544

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 17/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Thu 27/11

16:25-18:35

1 stop33h 10m

£549

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 1/3

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sun 19/4

15:50-18:40

2 stops32h 50m

£593

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sun 18/1

10:30-00:05

1 stop30h 35m

Vientiane Wattay

Sun 1/2

18:00-06:30

3 stops43h 30m

£608

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sun 18/1

10:30-17:00

2 stops23h 30m

Vientiane Wattay

Sun 1/2

18:00-06:30

3 stops43h 30m

£609

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 7/3

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sat 21/3

01:05-17:30

1 stop23h 25m

£612

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sun 1/3

09:25-12:00

1 stop19h 35m

Vientiane Wattay

Sun 7/6

12:45-06:25

1 stop23h 40m

£818

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 cheapest month to fly to Vientiane?

In general, June 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 £526. If you’re not able to fly to Vientiane in June, then May is your next best option. Flight prices from London to Vientiane during May average around £578.

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 £749. 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 £849.

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 £654. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £840 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 18h 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 EasternPriceFrom £241Free CancellationRating
7.2
174 reviews
Search China Eastern flights
China SouthernPriceFrom £443Free CancellationRating
7.5
119 reviews
Search China Southern flights
Thai AirwaysPriceFrom £797Free CancellationRating
7.8
361 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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