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.

£462 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

Cheap return flights

13:00 - 10:30HLN-LHR

15h 30m2 stops

06:20 - 22:37LHR-HLN

23h 17m2 stops

£497Multiple Airlines

Find Deal

Sun, 26 Oct - Mon, 10 Nov

06:40 - 09:40HLN-LHR

21h 00m1 stop

16:40 - 21:22LHR-HLN

35h 42m2 stops

£518United Airlines

Find Deal

Sun, 26 Oct - Mon, 10 Nov

14:22 - 09:40HLN-LHR

13h 18m1 stop

11:35 - 21:22LHR-HLN

16h 47m1 stop

£540United Airlines

Find Deal

Sun, 26 Oct - Mon, 10 Nov

17:18 - 09:40HLN-LHR

33h 22m1 stop

16:40 - 16:40LHR-HLN

31h 00m2 stops

£570United Airlines

Find Deal

Fri, 10 Oct - Sat, 18 Oct

06:30 - 11:25HLN-LHR

21h 55m2 stops

16:40 - 16:40LHR-HLN

31h 00m2 stops

£571United Airlines

Find Deal

Fri, 10 Oct - Sat, 18 Oct

13:00 - 13:05HLN-LHR

18h 05m2 stops

08:55 - 22:16LHR-HLN

20h 21m2 stops

£599Virgin Atlantic

Find Deal

Sat, 1 Nov - Sat, 8 Nov

06:10 - 09:40HLN-LHR

20h 30m1 stop

18:00 - 21:31LHR-HLN

34h 31m2 stops

£619United Airlines

Find Deal

Wed, 24 Dec - Tue, 30 Dec

05:35 - 09:00HLN-LHR

20h 25m3 stops

06:20 - 22:50LHR-HLN

23h 30m2 stops

£708Delta

Find Deal

Wed, 24 Dec - Mon, 29 Dec

06:40 - 08:35HLN-LCY

19h 55m3 stops

19:10 - 21:22LCY-HLN

33h 12m3 stops

£711Multiple Airlines

Find Deal

Sun, 26 Oct - Mon, 10 Nov

13:06 - 10:00HLN-LHR

13h 54m1 stop

06:20 - 22:50LHR-HLN

23h 30m2 stops

£739Delta

Find Deal

Fri, 26 Dec - Mon, 29 Dec

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

26 Oct

HLN06:40Helena

21h 00m

1 stop

LHR09:40London Heathrow

10 Nov

LHR16:40London Heathrow

35h 42m

2 stops

HLN21:22Helena

£518

Find similar

United Airlines

26 Oct

HLN14:22Helena

13h 18m

1 stop

LHR09:40London Heathrow

10 Nov

LHR11:35London Heathrow

16h 47m

1 stop

HLN21:22Helena

£540

Find similar

United Airlines

10 Oct

HLN17:18Helena

33h 22m

1 stop

LHR09:40London Heathrow

18 Oct

LHR16:40London Heathrow

31h 00m

2 stops

HLN16:40Helena

£570

Find similar

KLM flights from Helena to London

Our best KLM deals on Helena to London flight tickets

KLM

23 Sept

HLN13:00Helena

13h 50m

1 stop

LHR09:50London Heathrow

1 Oct

LHR11:00London Heathrow

18h 14m

1 stop

HLN22:14Helena

£462

Find similar

KLM

23 Sept

HLN13:00Helena

18h 15m

2 stops

LHR14:15London Heathrow

1 Oct

LHR11:00London Heathrow

18h 14m

1 stop

HLN22:14Helena

£466

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 26/10

13:00-10:30

2 stops15h 30m

London Heathrow

Mon 10/11

06:20-22:37

2 stops23h 17m

£497

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 26/10

06:40-09:40

1 stop21h 00m

London Heathrow

Mon 10/11

16:40-21:22

2 stops35h 42m

£518

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 26/10

14:22-09:40

1 stop13h 18m

London Heathrow

Mon 10/11

11:35-21:22

1 stop16h 47m

£540

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 10/10

17:18-09:40

1 stop33h 22m

London Heathrow

Sat 18/10

16:40-16:40

2 stops31h 00m

£570

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 10/10

06:30-11:25

2 stops21h 55m

London Heathrow

Sat 18/10

16:40-16:40

2 stops31h 00m

£571

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 1/11

13:00-13:05

2 stops18h 05m

London Heathrow

Sat 8/11

08:55-22:16

2 stops20h 21m

£599

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 24/12

06:10-09:40

1 stop20h 30m

London Heathrow

Tue 30/12

18:00-21:31

2 stops34h 31m

£619

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 24/12

05:35-09:00

3 stops20h 25m

London Heathrow

Mon 29/12

06:20-22:50

2 stops23h 30m

£708

HelenaLondon

HLN - LCY

HLNLCY

Helena

Sun 26/10

06:40-08:35

3 stops19h 55m

London City

Mon 10/11

19:10-21:22

3 stops33h 12m

£711

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 26/12

13:06-10:00

1 stop13h 54m

London Heathrow

Mon 29/12

06:20-22:50

2 stops23h 30m

£739

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

Direct flights	None

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 14m.
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

Luton

Milton Keynes

Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Chelmsford

Dover

Hayes

Dartford

Winchester

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.