Cheap flights from Helena to London from £464

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 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Helena to London (HLN-LON)

Cheap return flights

Delta Logo
13:00 - 13:30HLN-LHR
17h 30m2 stops
Delta Logo
06:30 - 22:16LHR-HLN
22h 46m2 stops
£464Delta
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Delta Logo
13:00 - 10:00HLN-LHR
14h 00m1 stop
Delta Logo
10:45 - 22:37LHR-HLN
18h 52m1 stop
£465Delta
Find Deal
Mon, 3 Nov - Tue, 18 Nov
Delta Logo
13:00 - 10:00HLN-LHR
14h 00m1 stop
Delta Logo
10:45 - 22:37LHR-HLN
18h 52m1 stop
£466Delta
Find Deal
Tue, 4 Nov - Wed, 19 Nov
KLM Logo
13:00 - 14:15HLN-LHR
18h 15m2 stops
KLM Logo
10:55 - 22:16LHR-HLN
18h 21m1 stop
£469KLM
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Delta Logo
13:00 - 10:00HLN-LHR
14h 00m1 stop
Delta Logo
06:20 - 22:37LHR-HLN
23h 17m2 stops
£496Delta
Find Deal
Fri, 7 Nov - Fri, 21 Nov
United Airlines Logo
05:40 - 08:40HLN-LHR
20h 00m1 stop
United Airlines Logo
18:00 - 21:22LHR-HLN
34h 22m2 stops
£507United Airlines
Find Deal
Sun, 2 Nov - Tue, 18 Nov
United Airlines Logo
06:40 - 09:40HLN-LHR
20h 00m1 stop
United Airlines Logo
06:30 - 21:22LHR-HLN
21h 52m2 stops
£511United Airlines
Find Deal
Tue, 4 Nov - Wed, 19 Nov
 Logo
18:18 - 13:40HLN-LHR
12h 22m1 stop
 Logo
09:25 - 17:41LHR-HLN
15h 16m1 stop
Tue, 7 Oct - Tue, 14 Oct
 Logo
18:18 - 06:55HLN-LHR
29h 37m1 stop
 Logo
09:50 - 17:41LHR-HLN
14h 51m1 stop
Fri, 10 Oct - Sat, 18 Oct
KLM Logo
13:00 - 09:50HLN-LHR
13h 50m1 stop
KLM Logo
10:55 - 22:16LHR-HLN
18h 21m1 stop
£1,038KLM
Find Deal
Fri, 10 Oct - Sat, 18 Oct

United Airlines flights from Helena to London

Our best United Airlines deals on Helena to London flight tickets
United Airlines
2 Nov
HLN05:40Helena
20h 00m
1 stop
LHR08:40London Heathrow
18 Nov
LHR18:00London Heathrow
34h 22m
2 stops
HLN21:22Helena
United Airlines
4 Nov
HLN06:40Helena
20h 00m
1 stop
LHR09:40London Heathrow
19 Nov
LHR06:30London Heathrow
21h 52m
2 stops
HLN21:22Helena
United Airlines
3 Nov
HLN14:22Helena
23h 13m
2 stops
LHR20:35London Heathrow
21 Nov
LHR07:30London Heathrow
20h 52m
2 stops
HLN21:22Helena

Delta flights from Helena to London

Our best Delta deals on Helena to London flight tickets
Delta
7 Oct
HLN13:00Helena
17h 30m
2 stops
LHR13:30London Heathrow
14 Oct
LHR06:30London Heathrow
22h 46m
2 stops
HLN22:16Helena
Delta
3 Nov
HLN13:00Helena
14h 00m
1 stop
LHR10:00London Heathrow
18 Nov
LHR10:45London Heathrow
18h 52m
1 stop
HLN22:37Helena
Delta
4 Nov
HLN13:00Helena
14h 00m
1 stop
LHR10:00London Heathrow
19 Nov
LHR10:45London Heathrow
18h 52m
1 stop
HLN22:37Helena

momondo Fare Finder

 
Customise your flight search to find flights from Helena to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 9 September 2025.
Use the filters below to find and compare flights from Helena to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 7/10

13:00-13:30

2 stops17h 30m

London Heathrow

Tue 14/10

06:30-22:16

2 stops22h 46m

£464

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 3/11

13:00-10:00

1 stop14h 00m

London Heathrow

Tue 18/11

10:45-22:37

1 stop18h 52m

£465

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 4/11

13:00-10:00

1 stop14h 00m

London Heathrow

Wed 19/11

10:45-22:37

1 stop18h 52m

£466

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 7/10

13:00-14:15

2 stops18h 15m

London Heathrow

Tue 14/10

10:55-22:16

1 stop18h 21m

£469

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 7/11

13:00-10:00

1 stop14h 00m

London Heathrow

Fri 21/11

06:20-22:37

2 stops23h 17m

£496

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sun 2/11

05:40-08:40

1 stop20h 00m

London Heathrow

Tue 18/11

18:00-21:22

2 stops34h 22m

£507

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 4/11

06:40-09:40

1 stop20h 00m

London Heathrow

Wed 19/11

06:30-21:22

2 stops21h 52m

£511

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 7/10

18:18-13:40

1 stop12h 22m

London Heathrow

Tue 14/10

09:25-17:41

1 stop15h 16m

£554

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 10/10

18:18-06:55

1 stop29h 37m

London Heathrow

Sat 18/10

09:50-17:41

1 stop14h 51m

£927

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 10/10

13:00-09:50

1 stop13h 50m

London Heathrow

Sat 18/10

10:55-22:16

1 stop18h 21m

£1,038

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.
  • 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 02m.

  • 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Dover
Chelmsford
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.

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1 adult
Thu 9/10
Thu 16/10

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