Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Vientiane from £441

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 Heathrow Airport to Vientiane departing on 2/11. 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 Heathrow Airport to Vientiane

Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
21:20 - 08:30
LHR
-
VTE
29h 10m
2 stops
China Eastern Logo
01:05 - 18:40
VTE
-
LHR
23h 35m
1 stop
£602China Eastern
Tue, 9 Jun - Mon, 15 Jun
China Eastern Logo
21:20 - 09:30
LHR
-
VTE
30h 10m
2 stops
China Eastern Logo
15:50 - 18:40
VTE
-
LHR
32h 50m
2 stops
£624China Eastern
Mon, 8 Jun - Mon, 15 Jun
China Eastern Logo
21:20 - 14:50
LHR
-
VTE
35h 30m
2 stops
China Eastern Logo
17:45 - 18:40
VTE
-
LHR
30h 55m
2 stops
£625China Eastern
Sat, 30 May - Fri, 5 Jun
China Eastern Logo
21:20 - 09:30
LHR
-
VTE
30h 10m
3 stops
China Eastern Logo
17:45 - 18:40
VTE
-
LHR
30h 55m
2 stops
£626China Eastern
Mon, 8 Jun - Mon, 15 Jun
China Eastern Logo
21:20 - 09:30
LHR
-
VTE
30h 10m
3 stops
China Eastern Logo
17:45 - 18:40
VTE
-
LHR
30h 55m
2 stops
£630China Eastern
Tue, 9 Jun - Tue, 16 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
£630China Eastern
Sun, 7 Jun - Wed, 10 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
£633China Eastern
Sun, 7 Jun - Wed, 10 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
£635China Eastern
Sun, 7 Jun - Wed, 10 Jun
China Eastern Logo
21:20 - 00:05
LHR
-
VTE
20h 45m
1 stop
China Eastern Logo
10:30 - 18:40
VTE
-
LHR
38h 10m
2 stops
£636China Eastern
Sun, 7 Jun - Thu, 11 Jun
China Eastern Logo
21:20 - 00:05
LHR
-
VTE
20h 45m
1 stop
China Eastern Logo
17:45 - 18:40
VTE
-
LHR
30h 55m
2 stops
£639China Eastern
Sun, 7 Jun - Thu, 11 Jun

China Eastern flights from London Heathrow Airport to Vientiane

Our best China Eastern deals on London Heathrow Airport to Vientiane flight tickets
China Eastern
9 Jun
LHR21:20London Heathrow
29h 10m
2 stops
VTE08:30Vientiane Wattay
15 Jun
VTE01:05Vientiane Wattay
23h 35m
1 stop
LHR18:40London Heathrow
£602
China Eastern
8 Jun
LHR21:20London Heathrow
30h 10m
2 stops
VTE09:30Vientiane Wattay
15 Jun
VTE15:50Vientiane Wattay
32h 50m
2 stops
LHR18:40London Heathrow
£624
China Eastern
30 May
LHR21:20London Heathrow
35h 30m
2 stops
VTE14:50Vientiane Wattay
5 Jun
VTE17:45Vientiane Wattay
30h 55m
2 stops
LHR18:40London Heathrow
£625

China Southern flights from London Heathrow Airport to Vientiane

Our best China Southern deals on London Heathrow Airport to Vientiane flight tickets
China Southern
8 Sept
LHR22:10London Heathrow
34h 35m
1 stop
VTE14:45Vientiane Wattay
12 Oct
VTE15:50Vientiane Wattay
33h 30m
1 stop
LHR19:20London Heathrow
£745
China Southern
17 May
LHR22:10London Heathrow
30h 20m
1 stop
VTE10:30Vientiane Wattay
21 May
VTE15:50Vientiane Wattay
33h 30m
1 stop
LHR19:20London Heathrow
£781
China Southern
23 Jun
LHR22:10London Heathrow
30h 20m
1 stop
VTE10:30Vientiane Wattay
30 Jun
VTE11:30Vientiane Wattay
37h 50m
1 stop
LHR19:20London Heathrow
£785

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 13 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport 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 9/6

21:20-08:30

2 stops29h 10m

Vientiane Wattay

Mon 15/6

01:05-18:40

1 stop23h 35m

£602

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 8/6

21:20-09:30

2 stops30h 10m

Vientiane Wattay

Mon 15/6

15:50-18:40

2 stops32h 50m

£624

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 30/5

21:20-14:50

2 stops35h 30m

Vientiane Wattay

Fri 5/6

17:45-18:40

2 stops30h 55m

£625

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 8/6

21:20-09:30

3 stops30h 10m

Vientiane Wattay

Mon 15/6

17:45-18:40

2 stops30h 55m

£626

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 9/6

21:20-09:30

3 stops30h 10m

Vientiane Wattay

Tue 16/6

17:45-18:40

2 stops30h 55m

£630
Fastest return journey

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 7/6

21:20-00:05

1 stop20h 45m

Vientiane Wattay

Wed 10/6

01:05-18:40

1 stop23h 35m

£630

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 7/6

21:20-00:05

1 stop20h 45m

Vientiane Wattay

Wed 10/6

01:05-18:40

1 stop23h 35m

£633

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 7/6

21:20-00:05

1 stop20h 45m

Vientiane Wattay

Wed 10/6

01:05-18:40

1 stop23h 35m

£635

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 7/6

21:20-00:05

1 stop20h 45m

Vientiane Wattay

Thu 11/6

10:30-18:40

2 stops38h 10m

£636

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 7/6

21:20-00:05

1 stop20h 45m

Vientiane Wattay

Thu 11/6

17:45-18:40

2 stops30h 55m

£639

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 Heathrow Airport 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 Heathrow Airport and Vientiane?

What is the cheapest month to fly to Vientiane?

In general, September is the cheapest month to fly from London Heathrow Airport to Vientiane. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £444. If you’re not able to fly to Vientiane in September, then April is your next best option. Flight prices from London Heathrow Airport to Vientiane during April average around £498.

When to book flights from London Heathrow Airport to Vientiane

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Vientiane according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Vientiane (LHR to VTE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Vientiane

Fastest flight time

19h 20m

Direct flights

None
The fastest flight from London Heathrow Airport to Vientiane takes 19h 20m
There are no direct flights from London Heathrow Airport to Vientiane. There are no popular flight routes from London Heathrow Airport to Vientiane.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Vientiane

  • How far is London Heathrow to Vientiane Wattay by plane?

    There are 5788.2 mi between London Heathrow and Vientiane Wattay. 19h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London Heathrow Airport to Vientiane Wattay Airport?

    Prices for flights from London Heathrow Airport to Vientiane Wattay Airport are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Vientiane Wattay Airport?

  • How old do you have to be to fly from London Heathrow Airport to Vientiane Wattay Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Vientiane Wattay Airport.

  • What documentation or ID do you need to fly to Vientiane Wattay Airport?

    The travel and health documents required for your trip to Vientiane Wattay Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vientiane Wattay Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from London Heathrow Airport to Vientiane?

Best airlines flying from London Heathrow Airport to Vientiane

Compare and see reviews for airlines that fly from London Heathrow Airport to Vientiane with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £455Free CancellationRating
7.5
151 reviews
Search China Southern flights
China EasternPriceFrom £468Free CancellationRating
7.3
211 reviews
Search China Eastern flights
Thai AirwaysPriceFrom £821Free CancellationRating
7.9
401 reviews
Search Thai Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Vientiane?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Vientiane . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Vientiane with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Vientiane from London with this policy.

How can momondo help me find flights from London to Vientiane?

momondo provides multiple filters to help you find the best flight to Vientiane from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Vientiane right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Vientiane, momondo offers a useful price alert feature which will track prices for flights to Vientiane from London and alert you when they change.

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
Fri 12/6
Fri 19/6
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