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.

£249 Cheap Flights from Helena to London in 2026

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

Cheap return flights

Enter your travel dates to find the best prices.

14:35 - 12:35

HLN

LHR

15h 00m

1 stop

06:55 - 21:03

LHR

HLN

21h 08m

2 stops

£652Lufthansa

Sun, 6 Sep - Fri, 9 Oct

07:00 - 09:40

HLN

LHR

19h 40m

1 stop

06:35 - 20:59

LHR

HLN

21h 24m

2 stops

£653United Airlines

Mon, 9 Nov - Fri, 13 Nov

06:15 - 06:30

HLN

LHR

17h 15m

2 stops

07:25 - 21:03

LHR

HLN

20h 38m

2 stops

£655United Airlines

Sun, 6 Sep - Fri, 9 Oct

06:15 - 10:00

HLN

LHR

20h 45m

2 stops

06:55 - 21:03

LHR

HLN

21h 08m

2 stops

£656United Airlines

Sun, 6 Sep - Fri, 9 Oct

12:50 - 15:35

HLN

LHR

19h 45m

2 stops

06:30 - 22:24

LHR

HLN

22h 54m

2 stops

£657Multiple Airlines

Tue, 8 Sep - Thu, 17 Sep

14:35 - 12:25

HLN

LHR

14h 50m

1 stop

07:30 - 21:30

LHR

HLN

21h 00m

2 stops

£661United Airlines

Tue, 8 Sep - Thu, 17 Sep

17:11 - 15:05

HLN

LHR

14h 54m

1 stop

17:00 - 16:11

LHR

HLN

30h 11m

1 stop

£665Alaska Airlines

Sun, 6 Sep - Fri, 9 Oct

12:50 - 15:35

HLN

LHR

19h 45m

2 stops

10:55 - 22:24

LHR

HLN

18h 29m

1 stop

£677KLM

Tue, 8 Sep - Thu, 17 Sep

16:08 - 12:20

HLN

LHR

13h 12m

1 stop

14:45 - 15:31

LHR

HLN

31h 46m

1 stop

£751Alaska Airlines

Mon, 23 Nov - Sun, 29 Nov

13:00 - 16:40

HLN

LCY

20h 40m

2 stops

07:45 - 22:39

LCY

HLN

21h 54m

2 stops

£1,963Delta

Wed, 1 Jul - Tue, 7 Jul

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets

Delta

23 Nov

HLN12:50Helena

21h 00m

2 stops

LHR16:50London Heathrow

29 Nov

LHR17:20London Heathrow

26h 04m

2 stops

HLN12:24Helena

£764

Delta

27 Nov

HLN05:45Helena

21h 15m

1 stop

LHR10:00London Heathrow

29 Nov

LHR10:45London Heathrow

18h 56m

1 stop

HLN22:41Helena

£797

Delta

26 Nov

HLN05:45Helena

20h 15m

2 stops

LHR09:00London Heathrow

29 Nov

LHR17:20London Heathrow

26h 04m

2 stops

HLN12:24Helena

£801

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets

United Airlines

9 Nov

HLN07:00Helena

19h 40m

1 stop

LHR09:40London Heathrow

13 Nov

LHR06:35London Heathrow

21h 24m

2 stops

HLN20:59Helena

£653

United Airlines

6 Sept

HLN06:15Helena

17h 15m

2 stops

LHR06:30London Heathrow

9 Oct

LHR07:25London Heathrow

20h 38m

2 stops

HLN21:03Helena

£655

United Airlines

6 Sept

HLN06:15Helena

20h 45m

2 stops

LHR10:00London Heathrow

9 Oct

LHR06:55London Heathrow

21h 08m

2 stops

HLN21:03Helena

£656

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 6/9

14:35-12:35

1 stop15h 00m

London Heathrow

Fri 9/10

06:55-21:03

2 stops21h 08m

£652

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 9/11

07:00-09:40

1 stop19h 40m

London Heathrow

Fri 13/11

06:35-20:59

2 stops21h 24m

£653

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 6/9

06:15-06:30

2 stops17h 15m

London Heathrow

Fri 9/10

07:25-21:03

2 stops20h 38m

£655

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 6/9

06:15-10:00

2 stops20h 45m

London Heathrow

Fri 9/10

06:55-21:03

2 stops21h 08m

£656

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 8/9

12:50-15:35

2 stops19h 45m

London Heathrow

Thu 17/9

06:30-22:24

2 stops22h 54m

£657

Fastest return journey

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 8/9

14:35-12:25

1 stop14h 50m

London Heathrow

Thu 17/9

07:30-21:30

2 stops21h 00m

£661

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 6/9

17:11-15:05

1 stop14h 54m

London Heathrow

Fri 9/10

17:00-16:11

1 stop30h 11m

£665

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 8/9

12:50-15:35

2 stops19h 45m

London Heathrow

Thu 17/9

10:55-22:24

1 stop18h 29m

£677

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 23/11

16:08-12:20

1 stop13h 12m

London Heathrow

Sun 29/11

14:45-15:31

1 stop31h 46m

£751

HelenaLondon

HLN - LCY

HLNLCY

Helena

Wed 1/7

13:00-16:40

2 stops20h 40m

London City

Tue 7/7

07:45-22:39

2 stops21h 54m

£1,963

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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?

United Airlines 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 20m
Direct flights	None

The fastest flight from Helena to London takes 12h 20m

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

Search flight deals

Frequently asked questions about flying from Helena to London

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 20m.
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

Milton Keynes

Gatwick

Luton

Wembley

Slough

Maidstone

Southend-on-Sea

Ipswich

Ilford

Canterbury

Guildford

Hayes

Folkestone

Chelmsford

Dover

Bedford

Chichester

Harlow

Colchester

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

Sun 5/7

Sun 12/7

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 £249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to London departing on 14/9. 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

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets

United Airlines flights from Helena to London

Our best United Airlines 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.

See travel insights to London from

How to get the cheapest flight ticket from Helena to London

What is the cheapest airline that flies from Helena to London?

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

Frequently asked questions about flying from Helena to London

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