When did momondo last update prices for flights from Helena Airport to London?

Prices for flights from Helena Airport to London are refreshed on a daily basis.

How old do you have to be to fly from Helena Airport to London?

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 Helena Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£475 Cheap Flights from Helena to London in 2025/26

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0 bags

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Find the cheapest flights from Helena to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:27 - 09:40

HLN

LHR

12h 13m1 stop

06:30 - 21:26

LHR

HLN

21h 56m2 stops

£475United Airlines

Fri, 30 Jan - Tue, 3 Feb

06:15 - 10:25

HLN

LHR

21h 10m2 stops

11:10 - 21:26

LHR

HLN

41h 16m2 stops

£478United Airlines

Fri, 30 Jan - Tue, 3 Feb

14:27 - 09:40

HLN

LHR

12h 13m1 stop

11:35 - 21:26

LHR

HLN

16h 51m1 stop

£488United Airlines

Fri, 30 Jan - Tue, 3 Feb

12:50 - 15:35

HLN

LHR

19h 45m2 stops

06:15 - 22:34

LHR

HLN

23h 19m2 stops

£720Multiple Airlines

Thu, 21 May - Tue, 1 Sep

12:50 - 15:35

HLN

LHR

19h 45m2 stops

10:55 - 22:34

LHR

HLN

18h 39m1 stop

£736KLM

Thu, 21 May - Tue, 1 Sep

07:00 - 12:20

HLN

LHR

22h 20m1 stop

14:50 - 20:59

LHR

HLN

13h 09m1 stop

£771United Airlines

Thu, 21 May - Tue, 1 Sep

06:15 - 05:55

HLN

LHR

17h 40m2 stops

11:10 - 21:25

LHR

HLN

40h 15m2 stops

£1,274United Airlines

Thu, 12 Mar - Mon, 23 Mar

12:59 - 10:00

HLN

LHR

15h 01m1 stop

20:00 - 22:30

LHR

HLN

32h 30m2 stops

£1,491Delta

Fri, 13 Mar - Sun, 22 Mar

16:36 - 12:20

HLN

LHR

13h 44m1 stop

14:55 - 17:45

LHR

HLN

32h 50m1 stop

£1,785Multiple Airlines

Fri, 13 Mar - Sun, 22 Mar

12:59 - 20:10

HLN

LHR

25h 11m2 stops

20:00 - 22:30

LHR

HLN

32h 30m2 stops

£2,091Delta

Fri, 13 Mar - Sun, 22 Mar

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

30 Jan

HLN14:27Helena

12h 13m

1 stop

LHR09:40London Heathrow

3 Feb

LHR06:30London Heathrow

21h 56m

2 stops

HLN21:26Helena

£475

Find similar

United Airlines

30 Jan

HLN06:15Helena

21h 10m

2 stops

LHR10:25London Heathrow

3 Feb

LHR11:10London Heathrow

41h 16m

2 stops

HLN21:26Helena

£478

Find similar

United Airlines

30 Jan

HLN14:27Helena

12h 13m

1 stop

LHR09:40London Heathrow

3 Feb

LHR11:35London Heathrow

16h 51m

1 stop

HLN21:26Helena

£488

Find similar

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets

Delta

13 Mar

HLN12:59Helena

15h 01m

1 stop

LHR10:00London Heathrow

22 Mar

LHR20:00London Heathrow

32h 30m

2 stops

HLN22:30Helena

£1,491

Find similar

Delta

13 Mar

HLN12:59Helena

25h 11m

2 stops

LHR20:10London Heathrow

22 Mar

LHR20:00London Heathrow

32h 30m

2 stops

HLN22:30Helena

£2,091

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 30/1

14:27-09:40

1 stop12h 13m

London Heathrow

Tue 3/2

06:30-21:26

2 stops21h 56m

£475

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 30/1

06:15-10:25

2 stops21h 10m

London Heathrow

Tue 3/2

11:10-21:26

2 stops41h 16m

£478

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 30/1

14:27-09:40

1 stop12h 13m

London Heathrow

Tue 3/2

11:35-21:26

1 stop16h 51m

£488

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 21/5

12:50-15:35

2 stops19h 45m

London Heathrow

Tue 1/9

06:15-22:34

2 stops23h 19m

£720

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 21/5

12:50-15:35

2 stops19h 45m

London Heathrow

Tue 1/9

10:55-22:34

1 stop18h 39m

£736

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 21/5

07:00-12:20

1 stop22h 20m

London Heathrow

Tue 1/9

14:50-20:59

1 stop13h 09m

£771

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 12/3

06:15-05:55

2 stops17h 40m

London Heathrow

Mon 23/3

11:10-21:25

2 stops40h 15m

£1,274

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 13/3

12:59-10:00

1 stop15h 01m

London Heathrow

Sun 22/3

20:00-22:30

2 stops32h 30m

£1,491

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 13/3

16:36-12:20

1 stop13h 44m

London Heathrow

Sun 22/3

14:55-17:45

1 stop32h 50m

£1,785

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 13/3

12:59-20:10

2 stops25h 11m

London Heathrow

Sun 22/3

20:00-22:30

2 stops32h 30m

£2,091

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to London

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 cheapest airline that flies from Helena to London?

Delta is the most popular carrier operating from Helena to London

When to book flights from Helena to London

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

Estimated return price

Cheap Helena to London (HLN to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to London

Fastest flight time	12h 13m
Direct flights	None

The fastest flight from Helena to London takes 12h 13m

There are no direct flights from Helena to London. There are no popular flight routes from Helena to London.

Search flight deals

How far is Helena to London by plane?
There are 4547.6 mi between Helena and London. A reasonable flight in good conditions will take 12h 13m.
When did momondo last update prices for flights from Helena Airport to London?
Prices for flights from Helena Airport to London are refreshed on a daily basis.
How old do you have to be to fly from Helena Airport to London?
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 Helena Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Eastbourne

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Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Hounslow

Bedford

Colchester

Ramsgate

Folkestone

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Helena to London flights to just show those with flexible booking policies.

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

Once you have performed a search for Helena to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Helena to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.