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$627+ Cheap flights from Helena (HLN) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LHR
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Helena to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$627
(Delta)
From Helena to London Heathrow
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Find flight deals from Helena to Heathrow

Cheapest flights from Helena to Heathrow
Explore the most affordable flight options available from Helena to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/71:00 pmHLN - LHR
2 stops17h 30mDelta
mar. 10/146:30 amLHR - HLN
2 stops22h 46mDelta
Deal found 9/9$627
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/31:00 pmHLN - LHR
1 stop14h 00mDelta
jue. 11/2010:45 amLHR - HLN
1 stop18h 52mDelta
Deal found 9/9$630
This Virgin Atlantic deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/81:00 pmHLN - LHR
2 stops18h 15mVirgin Atlantic
mié. 10/159:55 amLHR - HLN
2 stops19h 21mVirgin Atlantic
Deal found 9/10$635
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/41:00 pmHLN - LHR
1 stop14h 00mDelta
mar. 11/1810:45 amLHR - HLN
1 stop32h 41mDelta
Deal found 9/9$636
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/71:00 pmHLN - LHR
1 stop14h 00mDelta
vie. 11/216:20 amLHR - HLN
2 stops23h 17mDelta
Deal found 9/9$671
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:45 amHLN - LHR
1 stop21h 15mDelta
dom. 11/2310:45 amLHR - HLN
1 stop18h 52mDelta
Deal found 9/9$680
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/65:45 amHLN - LHR
2 stops18h 20mDelta
jue. 11/208:55 amLHR - HLN
2 stops20h 42mDelta
Deal found 9/9$684
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:40 amHLN - LHR
1 stop20h 00mUnited Airlines
mié. 11/1911:10 amLHR - HLN
2 stops41h 12mUnited Airlines
Deal found 9/9$686
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/56:40 amHLN - LHR
2 stops17h 50mUnited Airlines
vie. 11/2111:10 amLHR - HLN
2 stops33h 17mUnited Airlines
Deal found 9/9$691
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/92:22 pmHLN - LHR
2 stops23h 58mUnited Airlines
jue. 11/206:30 amLHR - HLN
2 stops21h 52mUnited Airlines
Deal found 9/9$695

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Heathrow 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Helena to London Heathrow Airport that are best for you.

Fly from

Helena

Fly to

Heathrow

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

mar. 10/7

1:00 pm-1:30 pm

2 stops17h 30m

London Heathrow

mar. 10/14

6:30 am-10:16 pm

2 stops22h 46m

$627

HelenaLondon

HLN - LHR

HLNLHR

Helena

lun. 11/10

1:06 pm-10:00 am

1 stop13h 54m

London Heathrow

mar. 11/18

10:45 am-10:37 pm

1 stop18h 52m

$630

HelenaLondon

HLN - LHR

HLNLHR

Helena

lun. 11/3

1:00 pm-10:00 am

1 stop14h 00m

London Heathrow

jue. 11/20

10:45 am-10:37 pm

1 stop18h 52m

$630

HelenaLondon

HLN - LHR

HLNLHR

Helena

mié. 11/5

1:00 pm-10:00 am

1 stop14h 00m

London Heathrow

jue. 11/20

10:45 am-10:37 pm

1 stop18h 52m

$630

HelenaLondon

HLN - LHR

HLNLHR

Helena

lun. 11/10

1:06 pm-10:00 am

1 stop13h 54m

London Heathrow

mié. 11/19

10:45 am-10:37 pm

1 stop18h 52m

$630

HelenaLondon

HLN - LHR

HLNLHR

Helena

mié. 10/8

1:00 pm-2:15 pm

2 stops18h 15m

London Heathrow

mié. 10/15

9:55 am-10:16 pm

2 stops19h 21m

$635

HelenaLondon

HLN - LHR

HLNLHR

Helena

vie. 11/7

1:00 pm-10:00 am

1 stop14h 00m

London Heathrow

vie. 11/21

6:20 am-10:37 pm

2 stops23h 17m

$671

HelenaLondon

HLN - LHR

HLNLHR

Helena

lun. 11/10

5:33 am-10:00 am

1 stop21h 27m

London Heathrow

sáb. 11/22

10:45 am-10:37 pm

1 stop18h 52m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Helena to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to London Heathrow Airport

What is the cheapest month to book a flight from Helena to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Helena to London Heathrow Airport (average of $661). Flying from Helena to London Heathrow Airport in June is currently the most expensive (average of $1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Helena to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Helena to London Heathrow?

    Helena (HLN) is the airport you will fly out of if you book a flight from Helena to London Heathrow. You should not have trouble finding flights to London Heathrow from Helena; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Helena airport to London Heathrow. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

  • How long is the flight from Helena to London Heathrow Airport?

    There are many flights that can get you from Helena to London Heathrow Airport in 17h 30m. Fly via Delta to get the fastest option. There are 4537 mi between Helena and London Heathrow Airport.

  • Can I find deals for flights from Helena to Heathrow that include hotel bookings?

    Yes. In addition to deals on Helena to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Heathrow.

  • Can I find deals for business class flights from Helena to Heathrow?

    Yes. Cheapflights offers flight deals from Helena to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Helena to London Heathrow Airport (average of $661). Flying from Helena to London Heathrow Airport in June is currently the most expensive (average of $1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

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