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$1,011+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LHR
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,011
(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.
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From Helena to United Kingdom
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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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/28. 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.
Thu 4/172:12 pmHLN - LHR
1 stop15h 08mUnited Airlines
Mon 4/219:30 amLHR - HLN
2 stops42h 55mUnited Airlines
Deal found 3/28$1,011
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:45 amHLN - LHR
1 stop21h 15mDelta
Thu 1/110:45 amLHR - HLN
1 stop19h 07mDelta
Deal found 3/27$1,213
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 5/106:25 amHLN - LCY
3 stops24h 20mMultiple Airlines
Sat 5/1712:15 pmLCY - HLN
3 stops40h 00mMultiple Airlines
Deal found 3/26$1,616
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:10 pmHLN - LHR
1 stop13h 05mAlaska Airlines
Fri 1/29:25 amLHR - HLN
1 stop13h 18mAlaska Airlines
Deal found 3/27$3,466
This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 8/271:03 pmHLN - LCY
2 stops20h 37mDelta
Wed 9/109:20 amLCY - HLN
2 stops20h 13mDelta
Deal found 3/26$5,391

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 March 28, 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

Thu 4/17

2:12 pm-12:20 pm

1 stop15h 08m

London Heathrow

Mon 4/21

9:30 am-9:25 pm

2 stops42h 55m

$1,011

HelenaLondon

HLN - LCY

HLNLCY

Helena

Sat 5/10

6:25 am-1:45 pm

3 stops24h 20m

London City

Sat 5/17

12:15 pm-9:15 pm

3 stops40h 00m

$1,616

HelenaLondon

HLN - LCY

HLNLCY

Helena

Wed 8/27

1:03 pm-4:40 pm

2 stops20h 37m

London City

Wed 9/10

9:20 am-10:33 pm

2 stops20h 13m

$5,391

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

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, November is the cheapest month in which you can book a flight from Helena to United Kingdom (average of $661). Flying from Helena to United Kingdom in June is currently the most expensive (average of $1,115). 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 United Kingdom by month

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

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

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

If weather is an important factor for your trip to United Kingdom, 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 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 March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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 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.

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

    When deciding which route to take from Helena to United Kingdom consider Helena - London Heathrow, Helena - London City or Helena - Manchester 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, November is the cheapest month in which you can book a flight from Helena to United Kingdom (average of $661). Flying from Helena to United Kingdom in June is currently the most expensive (average of $1,115). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$655Average$850FlexibilityNo cancel feeOn-time69%
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