Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London to Vientiane from £305

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 13/1. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London to Vientiane

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:05 - 21:50
LGW
-
VTE
21h 45m2 stops
Multiple Airlines Logo
18:40 - 15:00
VTE
-
LGW
26h 20m2 stops
£515Multiple Airlines
Mon, 4 May - Mon, 18 May
China Southern Logo
22:00 - 15:05
LHR
-
VTE
34h 05m1 stop
China Southern Logo
16:25 - 17:55
VTE
-
LHR
32h 30m2 stops
£535China Southern
Sun, 11 Jan - Thu, 26 Feb
China Southern Logo
22:00 - 15:05
LHR
-
VTE
34h 05m1 stop
China Southern Logo
16:25 - 18:35
VTE
-
LHR
33h 10m1 stop
£536China Southern
Thu, 26 Feb - Thu, 12 Mar
China Southern Logo
17:15 - 15:05
LHR
-
VTE
38h 50m2 stops
China Southern Logo
16:25 - 18:35
VTE
-
LHR
33h 10m1 stop
£538China Southern
Sun, 11 Jan - Mon, 2 Mar
China Southern Logo
22:10 - 17:45
LHR
-
VTE
37h 35m1 stop
China Southern Logo
18:45 - 19:00
VTE
-
LHR
30h 15m1 stop
£543China Southern
Mon, 4 May - Mon, 18 May
Multiple Airlines Logo
07:45 - 19:45
STN
-
VTE
29h 00m3 stops
Multiple Airlines Logo
08:05 - 09:40
VTE
-
STN
32h 35m3 stops
£606Multiple Airlines
Fri, 23 Jan - Sat, 31 Jan
China Eastern Logo
10:30 - 17:00
LGW
-
VTE
23h 30m2 stops
China Eastern Logo
01:05 - 14:00
VTE
-
LGW
19h 55m1 stop
£624China Eastern
Thu, 15 Jan - Fri, 23 Jan
China Eastern Logo
11:35 - 17:50
LGW
-
VTE
24h 15m3 stops
China Eastern Logo
18:50 - 15:00
VTE
-
LGW
50h 10m3 stops
£629China Eastern
Mon, 4 May - Mon, 18 May
China Eastern Logo
10:30 - 09:05
LGW
-
VTE
39h 35m3 stops
China Eastern Logo
12:20 - 14:00
VTE
-
LGW
32h 40m3 stops
£634China Eastern
Mon, 16 Feb - Sat, 7 Mar
China Eastern Logo
17:00 - 00:05
LGW
-
VTE
24h 05m1 stop
China Eastern Logo
15:50 - 06:30
VTE
-
LGW
45h 40m3 stops
£638China Eastern
Thu, 15 Jan - Sat, 24 Jan

China Southern flights from London to Vientiane

Our best China Southern deals on London to Vientiane flight tickets
China Southern
11 Jan
LHR22:00London Heathrow
34h 05m
1 stop
VTE15:05Vientiane Wattay
26 Feb
VTE16:25Vientiane Wattay
32h 30m
2 stops
LHR17:55London Heathrow
£535
Find similar
China Southern
26 Feb
LHR22:00London Heathrow
34h 05m
1 stop
VTE15:05Vientiane Wattay
12 Mar
VTE16:25Vientiane Wattay
33h 10m
1 stop
LHR18:35London Heathrow
£536
Find similar
China Southern
11 Jan
LHR17:15London Heathrow
38h 50m
2 stops
VTE15:05Vientiane Wattay
2 Mar
VTE16:25Vientiane Wattay
33h 10m
1 stop
LHR18:35London Heathrow
£538
Find similar

Vietnam Airlines flights from London to Vientiane

Our best Vietnam Airlines deals on London to Vientiane flight tickets
Vietnam Airlines
23 Jan
LHR11:00London Heathrow
16h 45m
1 stop
VTE10:45Vientiane Wattay
31 Jan
VTE19:45Vientiane Wattay
18h 30m
1 stop
LHR07:15London Heathrow
£724
Find similar
Vietnam Airlines
20 Jan
LHR11:00London Heathrow
24h 55m
2 stops
VTE18:55Vientiane Wattay
5 Feb
VTE19:45Vientiane Wattay
18h 30m
1 stop
LHR07:15London Heathrow
£725
Find similar
Vietnam Airlines
20 Jan
LHR11:00London Heathrow
24h 55m
2 stops
VTE18:55Vientiane Wattay
5 Feb
VTE19:45Vientiane Wattay
18h 30m
1 stop
LHR07:15London Heathrow
£727
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 12 December 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

LGW - VTE

LGWVTE

London Gatwick

Mon 4/5

18:05-21:50

2 stops21h 45m

Vientiane Wattay

Mon 18/5

18:40-15:00

2 stops26h 20m

£515

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 11/1

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Thu 26/2

16:25-17:55

2 stops32h 30m

£535

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 26/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Thu 12/3

16:25-18:35

1 stop33h 10m

£536

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 11/1

17:15-15:05

2 stops38h 50m

Vientiane Wattay

Mon 2/3

16:25-18:35

1 stop33h 10m

£538

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 4/5

22:10-17:45

1 stop37h 35m

Vientiane Wattay

Mon 18/5

18:45-19:00

1 stop30h 15m

£543

LondonVientiane

STN - VTE

STNVTE

London Stansted

Fri 23/1

07:45-19:45

3 stops29h 00m

Vientiane Wattay

Sat 31/1

08:05-09:40

3 stops32h 35m

£606

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 15/1

10:30-17:00

2 stops23h 30m

Vientiane Wattay

Fri 23/1

01:05-14:00

1 stop19h 55m

£624

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Mon 4/5

11:35-17:50

3 stops24h 15m

Vientiane Wattay

Mon 18/5

18:50-15:00

3 stops50h 10m

£629

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Mon 16/2

10:30-09:05

3 stops39h 35m

Vientiane Wattay

Sat 7/3

12:20-14:00

3 stops32h 40m

£634

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 15/1

17:00-00:05

1 stop24h 05m

Vientiane Wattay

Sat 24/1

15:50-06:30

3 stops45h 40m

£638

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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 typical price of a round-trip flight between London and Vientiane?

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 £524. 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 £567.

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 £735. 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 £833.

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 £642. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £824 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

Fastest flight time

18h 10m

Direct flights

None
The fastest flight from London to Vientiane takes 18h 10m
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 10m.

  • 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 £237Free CancellationRating
7.2
178 reviews
Search China Eastern flights
China SouthernPriceFrom £434Free CancellationRating
7.5
122 reviews
Search China Southern flights
Thai AirwaysPriceFrom £782Free CancellationRating
7.8
366 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 11/1
Sun 18/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Laos

Airports servicing Laos

Luang Prabang Airport