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Cheap flights from London Heathrow Airport to Hanoi from C$ 527

LHR — HAN
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Hanoi

Thu 3/1210:30 p.m. -
1 stop19h 40m
Tue 12/16:30 p.m. -
1 stop31h 40m
Deal found 21/10C$ 794
Fri 20/119:10 p.m. -
1 stop33h 45m
Wed 2/122:10 a.m. -
1 stop25h 20m
Deal found 22/10C$ 797
Fri 13/119:10 p.m. -
1 stop33h 45m
Sun 6/1210:40 a.m. -
1 stop39h 30m
Deal found 23/10C$ 798
Wed 4/119:10 p.m. -
1 stop21h 00m
Thu 3/122:55 p.m. -
1 stop35h 15m
Deal found 21/10C$ 916
Mon 9/119:10 p.m. -
1 stop29h 30m
Fri 20/112:55 p.m. -
1 stop35h 15m
Deal found 21/10C$ 917
Thu 12/1110:30 p.m. -
1 stop19h 40m
Fri 11/126:30 p.m. -
1 stop31h 40m
Deal found 24/10C$ 942
Tue 27/1010:30 p.m. -
1 stop32h 25m
Wed 13/12:55 p.m. -
1 stop36h 35m
Deal found 22/10C$ 1,011
Wed 30/129:10 p.m. -
1 stop33h 45m
Tue 12/12:55 p.m. -
1 stop35h 15m
Deal found 20/10C$ 1,032
Mon 7/129:10 p.m. -
1 stop29h 30m
Wed 13/16:30 p.m. -
1 stop33h 00m
Deal found 21/10C$ 1,035
Mon 9/119:10 p.m. -
1 stop21h 00m
Sat 21/112:55 p.m. -
1 stop35h 15m
Deal found 21/10C$ 1,036
Thu 29/1010:30 p.m. -
1 stop19h 40m
Mon 1/26:30 p.m. -
1 stop33h 00m
Deal found 22/10C$ 1,038
Tue 27/101:55 p.m. -
1 stop33h 15m
Tue 12/18:15 a.m. -
1 stop34h 50m
Deal found 24/10C$ 1,124

Find flight deals from Heathrow to Hanoi

Round-trip from

C$ 794

One-way from

C$ 527

Popular in

December

Cheapest in

November

Average price

C$ 1,349

Good round-trip deal

C$ 4,838 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 3/12-17/1
  • 2 total stops
  • 52h 10m total
  • London to Hanoi
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Shenzhen Airlines
  • Shenzhen Airlines
  • 6/12-31/12
  • 1 total stop
  • 21h 00m total
  • London to Hanoi
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from London Heathrow to Hanoi Noibai.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sat 30/1

9:10 p.m.-1:55 p.m.

1 stop33h 45m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 580

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Fri 20/11

9:10 p.m.-9:40 a.m.

1 stop29h 30m

Hanoi Noibai

Thu 26/11

2:10 a.m.-7:10 p.m.

1 stop24h 00m

C$ 798

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Fri 15/1

9:00 a.m.-4:55 p.m.

2 stops24h 55m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,001

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 1/2

7:30 a.m.-10:05 a.m.

2 stops19h 35m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,050

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sat 13/3

9:10 p.m.-9:40 a.m.

1 stop29h 30m

Hanoi Noibai

Wed 17/3

2:10 a.m.-8:30 p.m.

1 stop25h 20m

C$ 1,067

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sat 30/1

7:55 a.m.-10:05 a.m.

2 stops19h 10m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,094

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 8/11

8:15 a.m.-6:15 p.m.

2 stops27h 00m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,099
Quickest round-trip

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 2/11

11:00 a.m.-5:20 a.m.

Nonstop11h 20m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,174

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 15/11

11:00 a.m.-5:20 a.m.

Nonstop11h 20m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,179

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 13/12

8:55 p.m.-6:10 a.m.

1 stop26h 15m

Hanoi Noibai

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/10

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Heathrow with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

How far ahead should I book a flight from London Heathrow Airport to Hanoi?

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Hanoi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Hanoi?

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of C$ 1,070). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of C$ 1,652). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from London Heathrow Airport to Hanoi?

Airfare is below average for this route at the moment.

London Heathrow Airport to Hanoi flights typically cost between C$ 956 and C$ 1,466 in December.
The cheapest round-trip price found within the last 5 days was C$ 794 on Shenzhen Airlines (3 Dec-12 Jan).

Related info for your journey

  • What airport do you fly into for flights to Hanoi from London Heathrow?

    Most people fly into Hanoi Noibai (HAN) if they book a flight to Hanoi from London Heathrow. On average, Noibai has 0 inbound flights from London Heathrow per day from 0 airlines. Hanoi Noibai is conveniently located just 22.8 km from Hanoi’s city centre.

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

    Airlines like Shenzhen Airlines and Etihad Airways fly from London Heathrow Airport to Hanoi in about 14h 30m. The time it takes to get you to your destination can typically vary by up to 15h. There are 9231 km between London Heathrow Airport and Hanoi. This flight may include one or multiple stops.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from London Heathrow Airport to Hanoi?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of C$ 1,070). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of C$ 1,652). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

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