How do I get Price Alerts for flights from Helena to London?

Price Alerts will notify you by email when the price for flights to London from Helena decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Helena to London with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

£496 Cheap Flights from Helena to London in 2025/26

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Find the cheapest flights from Helena to London

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14:27 - 09:40HLN-LHR

12h 13m1 stop

11:35 - 21:26LHR-HLN

16h 51m1 stop

£496United Airlines

Find Deal

Fr, 16 Jan - Fr, 23 Jan

06:15 - 07:10HLN-LHR

17h 55m2 stops

11:35 - 21:26LHR-HLN

16h 51m1 stop

£498United Airlines

Find Deal

Fr, 16 Jan - Fr, 23 Jan

06:15 - 05:55HLN-LHR

16h 40m2 stops

08:00 - 21:26LHR-HLN

20h 26m2 stops

£499United Airlines

Find Deal

Fr, 16 Jan - Fr, 23 Jan

12:59 - 10:30HLN-LHR

15h 31m2 stops

10:55 - 22:35LHR-HLN

18h 40m1 stop

£549KLM

Find Deal

Do, 26 Mrz - So, 5 Apr

06:15 - 14:45HLN-LHR

26h 30m2 stops

08:30 - 13:27LHR-HLN

59h 57m2 stops

£731United Airlines

Find Deal

Do, 26 Mrz - So, 5 Apr

12:59 - 10:30HLN-LHR

15h 31m2 stops

10:15 - 22:35LHR-HLN

19h 20m2 stops

£768KLM

Find Deal

Do, 26 Mrz - So, 5 Apr

05:30 - 08:45HLN-LHR

21h 15m2 stops

10:55 - 22:35LHR-HLN

18h 40m1 stop

£790Delta

Find Deal

Do, 26 Mrz - So, 5 Apr

14:30 - 14:45HLN-LHR

18h 15m2 stops

11:25 - 20:59LHR-HLN

16h 34m1 stop

£1,069United Airlines

Find Deal

Do, 26 Mrz - So, 5 Apr

06:15 - 09:40HLN-LHR

21h 25m1 stop

14:50 - 13:27LHR-HLN

29h 37m1 stop

£1,084United Airlines

Find Deal

Do, 26 Mrz - So, 5 Apr

12:59 - 16:35HLN-LCY

21h 36m2 stops

13:45 - 22:35LCY-HLN

15h 50m2 stops

£3,918Delta

Find Deal

Do, 26 Mrz - So, 5 Apr

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets

Delta

26 Mar

HLN05:30Helena

21h 15m

2 stops

LHR08:45London Heathrow

5 Apr

LHR10:55London Heathrow

18h 40m

1 stop

HLN22:35Helena

£790

Find similar

Delta

5 Dec

HLN05:30Helena

21h 30m

1 stop

LHR10:00London Heathrow

9 Dec

LHR10:45London Heathrow

18h 45m

1 stop

HLN22:30Helena

£1,330

Find similar

Delta

26 Mar

HLN12:59Helena

21h 36m

2 stops

LCY16:35London City

5 Apr

LCY13:45London City

15h 50m

2 stops

HLN22:35Helena

£3,918

Find similar

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

16 Jan

HLN14:27Helena

12h 13m

1 stop

LHR09:40London Heathrow

23 Jan

LHR11:35London Heathrow

16h 51m

1 stop

HLN21:26Helena

£496

Find similar

United Airlines

16 Jan

HLN06:15Helena

17h 55m

2 stops

LHR07:10London Heathrow

23 Jan

LHR11:35London Heathrow

16h 51m

1 stop

HLN21:26Helena

£498

Find similar

United Airlines

16 Jan

HLN06:15Helena

16h 40m

2 stops

LHR05:55London Heathrow

23 Jan

LHR08:00London Heathrow

20h 26m

2 stops

HLN21:26Helena

£499

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fr 16/1

14:27-09:40

1 stop12h 13m

London Heathrow

Fr 23/1

11:35-21:26

1 stop16h 51m

£496

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fr 16/1

06:15-07:10

2 stops17h 55m

London Heathrow

Fr 23/1

11:35-21:26

1 stop16h 51m

£498

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fr 16/1

06:15-05:55

2 stops16h 40m

London Heathrow

Fr 23/1

08:00-21:26

2 stops20h 26m

£499

HelenaLondon

HLN - LHR

HLNLHR

Helena

Do 26/3

12:59-10:30

2 stops15h 31m

London Heathrow

So 5/4

10:55-22:35

1 stop18h 40m

£549

HelenaLondon

HLN - LHR

HLNLHR

Helena

Do 26/3

06:15-14:45

2 stops26h 30m

London Heathrow

So 5/4

08:30-13:27

2 stops59h 57m

£731

HelenaLondon

HLN - LHR

HLNLHR

Helena

Do 26/3

12:59-10:30

2 stops15h 31m

London Heathrow

So 5/4

10:15-22:35

2 stops19h 20m

£768

HelenaLondon

HLN - LHR

HLNLHR

Helena

Do 26/3

05:30-08:45

2 stops21h 15m

London Heathrow

So 5/4

10:55-22:35

1 stop18h 40m

£790

HelenaLondon

HLN - LHR

HLNLHR

Helena

Do 26/3

14:30-14:45

2 stops18h 15m

London Heathrow

So 5/4

11:25-20:59

1 stop16h 34m

£1,069

HelenaLondon

HLN - LHR

HLNLHR

Helena

Do 26/3

06:15-09:40

1 stop21h 25m

London Heathrow

So 5/4

14:50-13:27

1 stop29h 37m

£1,084

HelenaLondon

HLN - LCY

HLNLCY

Helena

Do 26/3

12:59-16:35

2 stops21h 36m

London City

So 5/4

13:45-22:35

2 stops15h 50m

£3,918

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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.

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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.

How do I get Price Alerts for flights from Helena to London?
Price Alerts will notify you by email when the price for flights to London from Helena decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Helena to London with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Hayes

Dover

Chelmsford

Colchester

Worthing

Bedford

Ramsgate

Hounslow

Stansted

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.