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Cheap flights from London to Vientiane from £298

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.
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
12:35 - 22:10
LGW
-
VTE
27h 35m
2 stops
Multiple Airlines Logo
07:20 - 06:45
VTE
-
LGW
29h 25m
2 stops
£534Multiple Airlines
Tue, 5 May - Sun, 17 May
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
£594Multiple Airlines
Tue, 5 May - Sun, 17 May
Multiple Airlines Logo
10:25 - 08:50
LGW
-
VTE
40h 25m
2 stops
Multiple Airlines Logo
09:20 - 07:25
VTE
-
LGW
28h 05m
2 stops
£615Multiple Airlines
Thu, 24 Sep - Sat, 3 Oct
China Southern Logo
22:10 - 14:45
LHR
-
VTE
34h 35m
1 stop
China Southern Logo
11:30 - 19:20
VTE
-
LHR
37h 50m
1 stop
£618China Southern
Tue, 5 May - Sun, 17 May
China Southern Logo
21:30 - 10:30
LGW
-
VTE
31h 00m
2 stops
China Southern Logo
11:30 - 06:30
VTE
-
LGW
25h 00m
1 stop
£632China Southern
Tue, 5 May - Sun, 17 May
China Eastern Logo
11:35 - 16:45
LGW
-
VTE
23h 10m
2 stops
China Eastern Logo
09:45 - 06:40
VTE
-
LGW
26h 55m
2 stops
£635China Eastern
Sat, 19 Sep - Sun, 4 Oct
China Southern Logo
21:00 - 10:30
LHR
-
VTE
31h 30m
2 stops
China Southern Logo
11:30 - 19:20
VTE
-
LHR
37h 50m
1 stop
£639China Southern
Thu, 7 May - Tue, 2 Jun
China Southern Logo
22:10 - 14:45
LHR
-
VTE
34h 35m
1 stop
China Southern Logo
15:50 - 18:05
VTE
-
LHR
32h 15m
2 stops
£642China Southern
Wed, 3 Jun - Wed, 24 Jun
China Eastern Logo
21:20 - 00:05
LHR
-
VTE
20h 45m
1 stop
China Eastern Logo
01:05 - 18:40
VTE
-
LHR
23h 35m
1 stop
£652China Eastern
Thu, 7 May - Wed, 27 May
China Eastern Logo
21:20 - 12:45
LHR
-
VTE
33h 25m
3 stops
China Eastern Logo
01:05 - 18:40
VTE
-
LHR
23h 35m
1 stop
£657China Eastern
Thu, 7 May - Wed, 27 May

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
17 May
VTE11:30Vientiane Wattay
37h 50m
1 stop
LHR19:20London Heathrow
£618
China Southern
5 May
LGW21:30London Gatwick
31h 00m
2 stops
VTE10:30Vientiane Wattay
17 May
VTE11:30Vientiane Wattay
25h 00m
1 stop
LGW06:30London Gatwick
£632
China Southern
7 May
LHR21:00London Heathrow
31h 30m
2 stops
VTE10:30Vientiane Wattay
2 Jun
VTE11:30Vientiane Wattay
37h 50m
1 stop
LHR19:20London Heathrow
£639

China Eastern flights from London to Vientiane

Our best China Eastern deals on London to Vientiane flight tickets
China Eastern
19 Sept
LGW11:35London Gatwick
23h 10m
2 stops
VTE16:45Vientiane Wattay
4 Oct
VTE09:45Vientiane Wattay
26h 55m
2 stops
LGW06:40London Gatwick
£635
China Eastern
7 May
LHR21:20London Heathrow
20h 45m
1 stop
VTE00:05Vientiane Wattay
27 May
VTE01:05Vientiane Wattay
23h 35m
1 stop
LHR18:40London Heathrow
£652
China Eastern
7 May
LHR21:20London Heathrow
33h 25m
3 stops
VTE12:45Vientiane Wattay
27 May
VTE01:05Vientiane Wattay
23h 35m
1 stop
LHR18:40London Heathrow
£657

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 3 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

LGW - VTE

LGWVTE

London Gatwick

Tue 5/5

12:35-22:10

2 stops27h 35m

Vientiane Wattay

Sun 17/5

07:20-06:45

2 stops29h 25m

£534

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 5/5

14:40-22:10

2 stops25h 30m

Vientiane Wattay

Sun 17/5

07:20-07:30

2 stops30h 10m

£594

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 24/9

10:25-08:50

2 stops40h 25m

Vientiane Wattay

Sat 3/10

09:20-07:25

2 stops28h 05m

£615

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 5/5

22:10-14:45

1 stop34h 35m

Vientiane Wattay

Sun 17/5

11:30-19:20

1 stop37h 50m

£618

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 5/5

21:30-10:30

2 stops31h 00m

Vientiane Wattay

Sun 17/5

11:30-06:30

1 stop25h 00m

£632

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sat 19/9

11:35-16:45

2 stops23h 10m

Vientiane Wattay

Sun 4/10

09:45-06:40

2 stops26h 55m

£635

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 7/5

21:00-10:30

2 stops31h 30m

Vientiane Wattay

Tue 2/6

11:30-19:20

1 stop37h 50m

£639

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 3/6

22:10-14:45

1 stop34h 35m

Vientiane Wattay

Wed 24/6

15:50-18:05

2 stops32h 15m

£642
Fastest return journey

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 7/5

21:20-00:05

1 stop20h 45m

Vientiane Wattay

Wed 27/5

01:05-18:40

1 stop23h 35m

£652

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 7/5

21:20-12:45

3 stops33h 25m

Vientiane Wattay

Wed 27/5

01:05-18:40

1 stop23h 35m

£657

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 £505. 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 £579.

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 25m

Direct flights

None
The fastest flight from London to Vientiane takes 18h 25m
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 18h 25m.

  • 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 £440Free CancellationRating
7.4
146 reviews
Search China Southern flights
China EasternPriceFrom £479Free CancellationRating
7.2
200 reviews
Search China Eastern flights
Thai AirwaysPriceFrom £835Free CancellationRating
7.8
395 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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