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.

£627 Cheap Flights from Helena to London in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

14:25 - 12:20

HLN

LHR

14h 55m

1 stop

06:55 - 21:46

LHR

HLN

21h 51m

2 stops

£627United Airlines

Tue, 21 Apr - Tue, 5 May

06:15 - 05:55

HLN

LHR

16h 40m

2 stops

07:25 - 21:46

LHR

HLN

21h 21m

2 stops

£630United Airlines

Tue, 21 Apr - Tue, 5 May

06:15 - 09:40

HLN

LHR

20h 25m

1 stop

17:40 - 21:46

LHR

HLN

35h 06m

2 stops

£636United Airlines

Tue, 21 Apr - Thu, 30 Apr

06:15 - 09:00

HLN

LHR

19h 45m

2 stops

17:40 - 21:46

LHR

HLN

35h 06m

2 stops

£639United Airlines

Tue, 21 Apr - Thu, 30 Apr

14:25 - 12:20

HLN

LHR

14h 55m

1 stop

14:50 - 21:46

LHR

HLN

13h 56m

1 stop

£648United Airlines

Tue, 21 Apr - Thu, 30 Apr

13:04 - 11:00

HLN

LHR

14h 56m

1 stop

06:30 - 22:30

LHR

HLN

23h 00m

2 stops

£648KLM

Tue, 14 Apr - Tue, 21 Apr

13:04 - 10:00

HLN

LHR

13h 56m

1 stop

08:40 - 22:30

LHR

HLN

20h 50m

2 stops

£649Delta

Wed, 15 Apr - Fri, 1 May

13:04 - 15:35

HLN

LHR

19h 31m

2 stops

06:30 - 22:30

LHR

HLN

23h 00m

2 stops

£652KLM

Tue, 14 Apr - Tue, 21 Apr

13:04 - 10:00

HLN

LHR

13h 56m

1 stop

06:15 - 22:30

LHR

HLN

23h 15m

2 stops

£654Delta

Wed, 15 Apr - Wed, 22 Apr

18:22 - 17:20

HLN

LCY

39h 58m

2 stops

09:10 - 17:45

LCY

HLN

39h 35m

2 stops

£1,020Multiple Airlines

Tue, 14 Apr - Tue, 21 Apr

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

21 Apr

HLN14:25Helena

14h 55m

1 stop

LHR12:20London Heathrow

5 May

LHR06:55London Heathrow

21h 51m

2 stops

HLN21:46Helena

£627

United Airlines

21 Apr

HLN06:15Helena

16h 40m

2 stops

LHR05:55London Heathrow

5 May

LHR07:25London Heathrow

21h 21m

2 stops

HLN21:46Helena

£630

United Airlines

21 Apr

HLN06:15Helena

20h 25m

1 stop

LHR09:40London Heathrow

30 Apr

LHR17:40London Heathrow

35h 06m

2 stops

HLN21:46Helena

£636

KLM flights from Helena to London

Our best KLM deals on Helena to London flight tickets

KLM

14 Apr

HLN13:04Helena

14h 56m

1 stop

LHR11:00London Heathrow

21 Apr

LHR06:30London Heathrow

23h 00m

2 stops

HLN22:30Helena

£648

KLM

14 Apr

HLN13:04Helena

19h 31m

2 stops

LHR15:35London Heathrow

21 Apr

LHR06:30London Heathrow

23h 00m

2 stops

HLN22:30Helena

£652

KLM

17 Apr

HLN13:04Helena

15h 36m

2 stops

LCY11:40London City

3 May

LCY13:45London City

15h 45m

2 stops

HLN22:30Helena

£899

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 21/4

14:25-12:20

1 stop14h 55m

London Heathrow

Tue 5/5

06:55-21:46

2 stops21h 51m

£627

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 21/4

06:15-05:55

2 stops16h 40m

London Heathrow

Tue 5/5

07:25-21:46

2 stops21h 21m

£630

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 21/4

06:15-09:40

1 stop20h 25m

London Heathrow

Thu 30/4

17:40-21:46

2 stops35h 06m

£636

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 21/4

06:15-09:00

2 stops19h 45m

London Heathrow

Thu 30/4

17:40-21:46

2 stops35h 06m

£639

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 21/4

14:25-12:20

1 stop14h 55m

London Heathrow

Thu 30/4

14:50-21:46

1 stop13h 56m

£648

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 14/4

13:04-11:00

1 stop14h 56m

London Heathrow

Tue 21/4

06:30-22:30

2 stops23h 00m

£648

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 15/4

13:04-10:00

1 stop13h 56m

London Heathrow

Fri 1/5

08:40-22:30

2 stops20h 50m

£649

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 14/4

13:04-15:35

2 stops19h 31m

London Heathrow

Tue 21/4

06:30-22:30

2 stops23h 00m

£652

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 15/4

13:04-10:00

1 stop13h 56m

London Heathrow

Wed 22/4

06:15-22:30

2 stops23h 15m

£654

HelenaLondon

HLN - LCY

HLNLCY

Helena

Tue 14/4

18:22-17:20

2 stops39h 58m

London City

Tue 21/4

09:10-17:45

2 stops39h 35m

£1,020

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

Wembley

Guildford

Chelmsford

Hayes

Dover

Folkestone

Worthing

Colchester

Bedford

Ramsgate

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.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 3/4

Fri 10/4

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Cabin classes

Other United Kingdom destinations

Complete your trip

Feeling lucky

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Helena to London from £627

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to London departing on 21/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Helena to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

KLM flights from Helena to London

Our best KLM deals on Helena to London flight tickets

momondo Fare Finder

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

When to book flights from Helena to London

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

Direct flights

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year