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$818+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LHR
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$818
(Delta)
Provider with most accurate pricing for Helena-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Helena-London Heathrow flights.
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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 April 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. 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.
Thu 5/81:01 pmHLN - LHR
2 stops18h 14mDelta
Wed 5/146:30 amLHR - HLN
2 stops22h 46mDelta
Deal found 4/17$818
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 5/82:16 pmHLN - LHR
1 stop15h 04mUnited Airlines
Wed 5/147:30 amLHR - HLN
2 stops20h 45mUnited Airlines
Deal found 4/17$819
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/171:03 pmHLN - LHR
2 stops18h 12mKLM
Fri 10/2411:45 amLHR - HLN
2 stops17h 52mKLM
Deal found 4/17$827
This Air France deal was found by Cheapflights users on 4/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/191:03 pmHLN - LHR
2 stops18h 12mAir France
Sun 10/2612:10 pmLHR - HLN
2 stops16h 27mAir France
Deal found 4/17$879
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/171:03 pmHLN - LHR
2 stops18h 12mMultiple Airlines
Sun 10/2612:10 pmLHR - HLN
2 stops16h 27mMultiple Airlines
Deal found 4/17$929

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 April 17, 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

Thu 5/8

1:01 pm-2:15 pm

2 stops18h 14m

London Heathrow

Wed 5/14

6:30 am-10:16 pm

2 stops22h 46m

$818

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 5/8

2:16 pm-12:20 pm

1 stop15h 04m

London Heathrow

Wed 5/14

7:30 am-9:15 pm

2 stops20h 45m

$819

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 10/10

1:03 pm-2:15 pm

2 stops18h 12m

London Heathrow

Sat 10/18

11:45 am-10:37 pm

2 stops17h 52m

$891

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 4/23

7:29 pm-8:20 pm

2 stops41h 51m

$2,072

HelenaLondon

HLN - LHR

HLNLHR

Helena

Sat 4/26

6:45 am-6:55 am

2 stops17h 10m

$7,353

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

  • Most accurate provider: When it comes to deals on Helena-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $1,110). 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated April 17, 2025.
To help decide which airline to fly from Helena to London, see what other customers have to say about Delta, KLM and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 1 airline has flights from the Helena airport to London Heathrow. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

  • What are the cheapest airlines flying from Helena to London Heathrow Airport round-trip?

    According to our current data, Delta ($818), United Airlines ($819), and KLM ($891) offers the cheapest pricing from Helena to 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 $1,110). 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 Helena?

Book flights to Helena if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Wembley
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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Top airline flying from Helena to Heathrow

Discover the top airline that operate flights from Helena to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$655Average$850FlexibilityNo cancel feeOn-time69%

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