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Cheap flights from London Heathrow Airport to Laos from £344

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — VTE
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Laos

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Laos
Explore the most affordable flight options available from Heathrow to Laos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2026.

Sun 1/1122:00 -
1 stop29h 30m
Sun 15/1116:25 -
1 stop33h 10m
Deal found 15/8£509
Thu 29/1022:00 -
1 stop29h 30m
Sun 15/1111:30 -
1 stop38h 05m
Deal found 15/8£548
Fri 13/1122:00 -
1 stop34h 05m
Thu 10/1216:25 -
1 stop33h 10m
Deal found 16/8£549
Mon 16/1122:00 -
1 stop34h 05m
Mon 30/1116:25 -
1 stop33h 10m
Deal found 16/8£603
Mon 9/1121:00 -
1 stop20h 05m
Sun 29/1101:05 -
1 stop23h 25m
Deal found 13/8£614
Sat 14/1121:00 -
2 stops31h 20m
Sat 28/1115:50 -
2 stops32h 40m
Deal found 16/8£615
Mon 16/1121:00 -
2 stops31h 20m
Mon 30/1118:00 -
2 stops30h 30m
Deal found 16/8£616
Tue 29/921:20 -
1 stop20h 45m
Mon 5/1001:05 -
1 stop23h 35m
Deal found 15/8£639
Mon 28/920:45 -
2 stops33h 20m
Mon 5/1019:30 -
2 stops30h 20m
Deal found 14/8£725
Sat 26/922:10 -
2 stops31h 55m
Sat 3/1019:30 -
1 stop28h 20m
Deal found 12/8£732
Sun 27/912:35 -
2 stops25h 45m
Sun 4/1012:45 -
3 stops32h 20m
Deal found 13/8£754
Sat 12/908:25 -
2 stops21h 40m
Fri 25/912:45 -
2 stops23h 45m
Deal found 12/8£776

Find flight deals from Heathrow to Laos

Keep the following information in mind while searching for Heathrow to Laos flight deals. Data was last updated 17 August 2026.

Round-trip from

£509

One-way from

£344

Popular in

June

Cheapest in

September

Average price

£632
China Southern
  • China Southern
  • 1/11-15/11
  • 2 total stops
  • 62h 40m total
  • London to Laos
Search Deals
7/9
  • 7/9
  • 2 total stops
  • 37h 45m total
  • London to Laos
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Laos 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, Cheapflights users made 858,174 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Laos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Thu 3/9

14:45-22:10

2 stops25h 25m

Vientiane Wattay

Wed 16/9

18:20-18:45

2 stops30h 25m

£717

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Mon 26/10

11:00-10:45

1 stop16h 45m

Vientiane Wattay

Mon 9/11

11:35-07:15

2 stops26h 40m

£751

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Sun 27/9

12:35-20:20

2 stops25h 45m

Luang Prabang

Sun 4/10

12:45-15:05

3 stops32h 20m

£754

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Thu 3/9

22:10-14:45

1 stop34h 35m

Vientiane Wattay

Mon 7/9

15:50-19:20

1 stop33h 30m

£787

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sat 31/10

11:00-18:55

2 stops24h 55m

Vientiane Wattay

Tue 17/11

19:45-07:15

1 stop18h 30m

£788
Fastest return journey

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Fri 30/10

11:00-10:45

1 stop16h 45m

Vientiane Wattay

Thu 12/11

19:45-07:15

1 stop18h 30m

£789

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Sat 26/9

21:20-12:40

3 stops57h 20m

Luang Prabang

Sat 3/10

13:30-18:40

2 stops35h 10m

£793

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Fri 13/11

11:00-18:55

3 stops48h 55m

Vientiane Wattay

Thu 10/12

19:45-07:15

1 stop18h 30m

£810

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Mon 1/2

09:30-13:05

2 stops20h 35m

Luang Prabang

Mon 15/2

13:45-14:45

2 stops32h 00m

£816

LondonLuang Prabang

LHR London Heathrow - LPQ Luang Prabang

LHRLPQ

London Heathrow

Thu 10/9

21:45-12:05

2 stops32h 20m

Luang Prabang

Mon 14/9

12:45-18:45

2 stops36h 00m

£863

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Heathrow to Laos

Have a flexible travel schedule? Discover the best time to fly to Laos from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Laos

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Laos

Get insights into the airlines that provide service to Laos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Laos. Reviews last updated 17 August 2026.
Check out reviews from past customers who have flown with Thai Airways and China Eastern from London Heathrow Airport to Laos to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
415 reviews
Check prices

Boarding

8.0

Crew

8.4

Comfort

7.7

Overall

7.9

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.9
Good
415 reviews
Thai Airways
7.9
Good
415 reviews
Check prices

Boarding

8.0

Crew

8.4

Comfort

7.7

Overall

7.9

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
China Eastern
7.3
Good
232 reviews
Thai Airways
7.9
Good
415 reviews
Check prices

Boarding

8.0

Crew

8.4

Comfort

7.7

Overall

7.9

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Laos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Laos?

    A quick flight from London Heathrow Airport to Laos can take about 16h 45m. Vietnam Airlines provides one of the quickest options available for as low as £751. Airlines will cover a distance of 5786 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Heathrow to Laos that include hotel bookings?

    Yes. In addition to deals on Heathrow to Laos flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Laos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Laos.

  • Can I find deals for business class flights from Heathrow to Laos?

    Yes. Cheapflights offers flight deals from Heathrow to Laos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Heathrow to Laos

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Top 2 airlines flying from Heathrow to Laos

Discover the top 2 airlines that operate flights from Heathrow to Laos. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£469Average£553FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Thai AirwaysCheapest£857Average£929FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Laos?

Cheapflights helps you search for flights from Heathrow to Laos via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Laos?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Laos.

Can Cheapflights find flights from Heathrow to Laos with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Laos flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Laos become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Laos from Heathrow today and book when prices fit your budget.

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