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$629+ Cheap flights from Helena (HLN) to the United Kingdom

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LHR
nov. 28 — déc. 51
ven. 11/28
ven. 12/5
1 adult, Economy
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Find flight deals from Helena to United Kingdom

Cheapest flights from Helena to United Kingdom
Explore the most affordable flight options available from Helena to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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.
lun. 11/102:22 pmHLN - LHR
2 stops33h 48mUnited Airlines
lun. 11/174:40 pmLHR - HLN
2 stops51h 47mUnited Airlines
Deal found 10/27$629
This United Airlines deal was found by Cheapflights users on 10/28. 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.
lun. 11/242:22 pmHLN - MAN
2 stops38h 58mUnited Airlines
lun. 12/11:00 pmMAN - HLN
2 stops39h 22mUnited Airlines
Deal found 10/28$1,107
This United Airlines deal was found by Cheapflights users on 10/29. 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.
sam. 12/136:30 amHLN - LHR
1 stop20h 10mUnited Airlines
sam. 12/204:20 pmLHR - HLN
2 stops28h 25mUnited Airlines
Deal found 10/29$1,155
This United Airlines deal was found by Cheapflights users on 10/29. 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.
sam. 12/132:30 pmHLN - MAN
2 stops38h 50mUnited Airlines
sam. 12/201:00 pmMAN - HLN
2 stops39h 31mUnited Airlines
Deal found 10/29$1,343

Cheap flight deals from Helena to United Kingdom

Keep the following information in mind while searching for Helena to United Kingdom flight deals. Data was last updated octobre 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$629
(United Airlines)
Provider with most accurate pricing for Helena-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-London (LON) flights.
Search Deals
From Helena to United Kingdom
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to United Kingdom 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 octobre 29, 2025.
Use the filters below to find and compare flights from Helena to the United Kingdom that are best for you.

Fly from

Helena

Fly to

United Kingdom

Route

Depart

Return

Price

HelenaLondon

HLN - LHR

HLNLHR

Helena

lun. 11/10

6:40 am-9:40 am

1 stop20h 00m

London Heathrow

lun. 11/17

4:40 pm-1:27 pm

2 stops51h 47m

$629

HelenaLondon

HLN - LHR

HLNLHR

Helena

ven. 3/27

6:15 am-9:40 am

1 stop21h 25m

London Heathrow

mar. 3/31

7:30 am-8:59 pm

2 stops20h 29m

$788

HelenaManchester

HLN - MAN

HLNMAN

Helena

ven. 3/27

6:15 am-12:20 pm

2 stops24h 05m

Manchester

mar. 3/31

6:50 am-8:59 pm

2 stops21h 09m

$834

HelenaManchester

HLN - MAN

HLNMAN

Helena

lun. 11/24

2:22 pm-12:20 pm

2 stops38h 58m

Manchester

lun. 12/1

1:00 pm-9:22 pm

2 stops39h 22m

$1,107

HelenaLondon

HLN - LCY

HLNLCY

Helena

jeu. 4/16

5:45 am-8:10 am

2 stops43h 25m

London City

lun. 4/20

9:20 am-10:34 pm

2 stops44h 14m

$1,276

HelenaManchester

HLN - MAN

HLNMAN

Helena

sam. 12/13

2:30 pm-12:20 pm

2 stops38h 50m

Manchester

sam. 12/20

1:00 pm-9:31 pm

2 stops39h 31m

$1,343

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Best time to book a flight from Helena to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

What is the cheapest month to book a flight from Helena to United Kingdom?

Currently, August is the cheapest month in which you can book a flight from Helena to United Kingdom (average of $636). Flying from Helena to United Kingdom in June is currently the most expensive (average of $1,155). 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.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated octobre 29, 2025.
See what other customers who have flown with Delta and United Airlines from Helena to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Helena to United Kingdom. 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 United Kingdom?

    If you book a flight to United Kingdom from Helena, you will be flying from Helena, which is the city’s only airport. Helena (HLN) is located 2.7 mi from the center of Helena.

  • How long is the flight from Helena to United Kingdom?

    For as low as $629, United Airlines can have you in United Kingdom from Helena in 20h. Helena and United Kingdom are separated by a distance of 4537 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Helena to United Kingdom?

    When deciding which route to take from Helena to United Kingdom consider Helena - Manchester, Helena - London Heathrow or Helena - London City as they are the most popular.

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

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

  • How can I find direct flights from Helena to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Helena to United Kingdom 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 United Kingdom?

    Currently, August is the cheapest month in which you can book a flight from Helena to United Kingdom (average of $636). Flying from Helena to United Kingdom in June is currently the most expensive (average of $1,155). 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

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Top airline flying from Helena to United Kingdom

Discover the top airline that operate flights from Helena to United Kingdom. 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 octobre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$700Average$1,006FlexibilityNo cancel feeOn-timeN/A

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