What is the cheapest airline that flies from Helena to United Kingdom?

United Airlines, Delta, and KLM are the most popular carriers operating from Helena to United Kingdom

When did momondo last update prices for flights from Helena Airport to United Kingdom?

Prices for flights from Helena Airport to United Kingdom are refreshed on a daily basis.

How old do you have to be to fly from Helena Airport to United Kingdom?

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 United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$371 Cheap Flights from Helena to the United Kingdom in 2026

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Find the cheapest flights from Helena to the United Kingdom

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 10:50 am

HLN

LHR

22h 35m

2 stops

11:35 am - 9:25 pm

LHR

HLN

15h 50m

1 stop

$668United Airlines

Thu, Mar 19 - Thu, Mar 26

2:25 pm - 6:30 am

HLN

LHR

33h 05m

2 stops

7:25 am - 9:33 pm

LHR

HLN

21h 08m

2 stops

$703United Airlines

Sat, Apr 4 - Sat, Apr 18

2:25 pm - 6:30 am

HLN

LHR

33h 05m

2 stops

7:25 am - 9:33 pm

LHR

HLN

21h 08m

2 stops

$705United Airlines

Sat, Apr 4 - Sat, Apr 18

2:25 pm - 10:00 am

HLN

LHR

36h 35m

2 stops

2:50 pm - 9:33 pm

LHR

HLN

13h 43m

1 stop

$732United Airlines

Sat, Apr 4 - Sat, Apr 18

2:25 pm - 10:00 am

HLN

LHR

36h 35m

2 stops

2:50 pm - 9:33 pm

LHR

HLN

13h 43m

1 stop

$734United Airlines

Sat, Apr 4 - Sat, Apr 18

2:30 pm - 9:40 am

HLN

LHR

13h 10m

1 stop

2:50 pm - 9:33 pm

LHR

HLN

13h 43m

1 stop

$749United Airlines

Tue, Mar 24 - Tue, Mar 31

1:02 pm - 10:30 am

HLN

LHR

15h 28m

2 stops

9:55 am - 10:30 pm

LHR

HLN

19h 35m

2 stops

$753KLM

Tue, Mar 24 - Tue, Mar 31

2:30 pm - 9:40 am

HLN

LHR

13h 10m

1 stop

11:35 am - 9:25 pm

LHR

HLN

15h 50m

1 stop

$764United Airlines

Thu, Mar 19 - Thu, Mar 26

2:25 pm - 12:20 pm

HLN

LHR

14h 55m

1 stop

2:50 pm - 9:33 pm

LHR

HLN

13h 43m

1 stop

$779United Airlines

Sat, Apr 4 - Sat, Apr 18

2:25 pm - 12:20 pm

HLN

LHR

14h 55m

1 stop

2:50 pm - 9:33 pm

LHR

HLN

13h 43m

1 stop

$780United Airlines

Sat, Apr 4 - Sat, Apr 18

United Airlines flights from Helena to United Kingdom

Our best United Airlines deals on Helena to United Kingdom flight tickets

United Airlines

Mar 19

HLN6:15 amHelena

22h 35m

2 stops

LHR10:50 amLondon Heathrow

Mar 26

LHR11:35 amLondon Heathrow

15h 50m

1 stop

HLN9:25 pmHelena

$668

United Airlines

Apr 4

HLN2:25 pmHelena

33h 05m

2 stops

LHR6:30 amLondon Heathrow

Apr 18

LHR7:25 amLondon Heathrow

21h 08m

2 stops

HLN9:33 pmHelena

$703

United Airlines

Apr 4

HLN2:25 pmHelena

33h 05m

2 stops

LHR6:30 amLondon Heathrow

Apr 18

LHR7:25 amLondon Heathrow

21h 08m

2 stops

HLN9:33 pmHelena

$705

Fly from

Fly to

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 3/19

6:15 am-10:50 am

2 stops22h 35m

London Heathrow

Thu 3/26

11:35 am-9:25 pm

1 stop15h 50m

$668

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

2:25 pm-6:30 am

2 stops33h 05m

London Heathrow

Sat 4/18

7:25 am-9:33 pm

2 stops21h 08m

$703

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

2:25 pm-6:30 am

2 stops33h 05m

London Heathrow

Sat 4/18

7:25 am-9:33 pm

2 stops21h 08m

$705

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

2:25 pm-10:00 am

2 stops36h 35m

London Heathrow

Sat 4/18

2:50 pm-9:33 pm

1 stop13h 43m

$732

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

2:25 pm-10:00 am

2 stops36h 35m

London Heathrow

Sat 4/18

2:50 pm-9:33 pm

1 stop13h 43m

$734

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 3/24

2:30 pm-9:40 am

1 stop13h 10m

London Heathrow

Tue 3/31

2:50 pm-9:33 pm

1 stop13h 43m

$749

HelenaLondon

HLN - LHR

HLNLHR

Helena

Tue 3/24

1:02 pm-10:30 am

2 stops15h 28m

London Heathrow

Tue 3/31

9:55 am-10:30 pm

2 stops19h 35m

$753

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 3/19

2:30 pm-9:40 am

1 stop13h 10m

London Heathrow

Thu 3/26

11:35 am-9:25 pm

1 stop15h 50m

$764

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

2:25 pm-12:20 pm

1 stop14h 55m

London Heathrow

Sat 4/18

2:50 pm-9:33 pm

1 stop13h 43m

$779

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/4

2:25 pm-12:20 pm

1 stop14h 55m

London Heathrow

Sat 4/18

2:50 pm-9:33 pm

1 stop13h 43m

$780

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Helena to United Kingdom

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

Prices

Airlines

Can stopping save me money on Helena to United Kingdom flights?

You could potentially save up to 26% on your flight if you consider stops on a Helena to United Kingdom flight.

Cheap Helena to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to United Kingdom

Fastest flight time	17h 25m
Direct flights	None

The fastest flight from Helena to United Kingdom takes 17h 25m

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

Search flight deals

When did momondo last update prices for flights from Helena Airport to United Kingdom?
Prices for flights from Helena Airport to United Kingdom are refreshed on a daily basis.
How old do you have to be to fly from Helena Airport to United Kingdom?
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 United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Helena to United Kingdom?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Helena to United Kingdom for you.

Can I find flights from Helena to United Kingdom with flexible booking policies on momondo?

Yes. All flights to United Kingdom from Helena on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Helena to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Helena. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Helena to United Kingdom right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to United Kingdom from Helena. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.