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.

£458 Cheap Flights from Helena to London in 2026

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Find the cheapest flights from Helena to London

Round-trip

One-way

Cheap return flights

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12:59 - 09:50

HLN

LHR

13h 51m1 stop

06:15 - 22:30

LHR

HLN

23h 15m2 stops

£458Multiple Airlines

Mon, 30 Mar - Thu, 9 Apr

12:59 - 09:50

HLN

LHR

13h 51m1 stop

08:40 - 12:19

LHR

HLN

34h 39m2 stops

£461Delta

Mon, 30 Mar - Wed, 8 Apr

12:59 - 14:15

HLN

LHR

42h 16m2 stops

06:30 - 12:19

LHR

HLN

36h 49m2 stops

£462Delta

Sun, 29 Mar - Wed, 8 Apr

12:59 - 09:50

HLN

LHR

13h 51m1 stop

10:55 - 22:30

LHR

HLN

18h 35m1 stop

£463KLM

Mon, 30 Mar - Thu, 9 Apr

05:30 - 09:50

HLN

LHR

21h 20m1 stop

06:15 - 22:30

LHR

HLN

23h 15m2 stops

£466Delta

Tue, 31 Mar - Thu, 9 Apr

12:59 - 14:15

HLN

LHR

42h 16m2 stops

17:25 - 22:30

LHR

HLN

36h 05m2 stops

£466Delta

Sun, 29 Mar - Tue, 7 Apr

13:10 - 10:00

HLN

LHR

13h 50m1 stop

20:00 - 12:25

LHR

HLN

23h 25m2 stops

£473Delta

Fri, 20 Feb - Fri, 27 Feb

05:30 - 10:00

HLN

LHR

22h 30m1 stop

10:45 - 12:19

LHR

HLN

31h 34m1 stop

£474Delta

Mon, 9 Mar - Sun, 22 Mar

14:25 - 12:20

HLN

LHR

14h 55m1 stop

07:25 - 13:39

LHR

HLN

37h 14m2 stops

£480United Airlines

Sun, 29 Mar - Tue, 7 Apr

18:22 - 20:50

HLN

LCY

43h 28m2 stops

20:30 - 17:45

LCY

HLN

52h 15m2 stops

£940Multiple Airlines

Sun, 29 Mar - Tue, 7 Apr

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

29 Mar

HLN14:25Helena

14h 55m

1 stop

LHR12:20London Heathrow

7 Apr

LHR07:25London Heathrow

37h 14m

2 stops

HLN13:39Helena

£480

Find similar

United Airlines

20 Feb

HLN06:15Helena

16h 40m

2 stops

LHR05:55London Heathrow

27 Feb

LHR11:10London Heathrow

41h 06m

2 stops

HLN21:16Helena

£480

Find similar

United Airlines

29 Mar

HLN14:25Helena

36h 35m

2 stops

LHR10:00London Heathrow

7 Apr

LHR06:55London Heathrow

37h 44m

2 stops

HLN13:39Helena

£482

Find similar

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets

Delta

30 Mar

HLN12:59Helena

13h 51m

1 stop

LHR09:50London Heathrow

8 Apr

LHR08:40London Heathrow

34h 39m

2 stops

HLN12:19Helena

£461

Find similar

Delta

29 Mar

HLN12:59Helena

42h 16m

2 stops

LHR14:15London Heathrow

8 Apr

LHR06:30London Heathrow

36h 49m

2 stops

HLN12:19Helena

£462

Find similar

Delta

31 Mar

HLN05:30Helena

21h 20m

1 stop

LHR09:50London Heathrow

9 Apr

LHR06:15London Heathrow

23h 15m

2 stops

HLN22:30Helena

£466

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 30/3

12:59-09:50

1 stop13h 51m

London Heathrow

Thu 9/4

06:15-22:30

2 stops23h 15m

£458

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 30/3

12:59-09:50

1 stop13h 51m

London Heathrow

Wed 8/4

08:40-12:19

2 stops34h 39m

£461

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 29/3

12:59-14:15

2 stops42h 16m

London Heathrow

Wed 8/4

06:30-12:19

2 stops36h 49m

£462

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 30/3

12:59-09:50

1 stop13h 51m

London Heathrow

Thu 9/4

10:55-22:30

1 stop18h 35m

£463

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 31/3

05:30-09:50

1 stop21h 20m

London Heathrow

Thu 9/4

06:15-22:30

2 stops23h 15m

£466

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 29/3

12:59-14:15

2 stops42h 16m

London Heathrow

Tue 7/4

17:25-22:30

2 stops36h 05m

£466

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 20/2

13:10-10:00

1 stop13h 50m

London Heathrow

Fri 27/2

20:00-12:25

2 stops23h 25m

£473

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 9/3

05:30-10:00

1 stop22h 30m

London Heathrow

Sun 22/3

10:45-12:19

1 stop31h 34m

£474

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 29/3

14:25-12:20

1 stop14h 55m

London Heathrow

Tue 7/4

07:25-13:39

2 stops37h 14m

£480

HelenaLondon

HLN - LCY

HLNLCY

Helena

Sun 29/3

18:22-20:50

2 stops43h 28m

London City

Tue 7/4

20:30-17:45

2 stops52h 15m

£940

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 15m
Direct flights	None

The fastest flight from Helena to London takes 12h 15m

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 15m.
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

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Worthing

Hounslow

Colchester

Bedford

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.