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$627+ 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 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
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$627
(Delta)
From Helena to United Kingdom
Search Deals

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 September 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.
Tue 10/71:00 pmHLN - LHR
2 stops17h 30mDelta
Tue 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.
Mon 11/31:00 pmHLN - LHR
1 stop14h 00mDelta
Thu 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.
Wed 10/81:00 pmHLN - LHR
2 stops18h 15mVirgin Atlantic
Wed 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.
Tue 11/41:00 pmHLN - LHR
1 stop14h 00mDelta
Tue 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.
Fri 11/71:00 pmHLN - LHR
1 stop14h 00mDelta
Fri 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.
Tue 11/45:45 amHLN - LHR
1 stop21h 15mDelta
Sun 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.
Sun 11/95:33 amHLN - LCY
2 stops28h 02mDelta
Mon 11/2410:00 amLCY - HLN
2 stops43h 37mDelta
Deal found 9/9$681
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.
Thu 11/65:45 amHLN - LHR
2 stops18h 20mDelta
Thu 11/208:55 amLHR - HLN
2 stops20h 42mDelta
Deal found 9/9$684
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.
Mon 11/35:45 amHLN - LCY
2 stops42h 30mDelta
Mon 11/1710:00 amLCY - HLN
2 stops57h 26mDelta
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.
Tue 11/46:40 amHLN - LHR
1 stop20h 00mUnited Airlines
Wed 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.
Wed 11/56:40 amHLN - LHR
2 stops17h 50mUnited Airlines
Fri 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.
Sun 11/92:22 pmHLN - LHR
2 stops23h 58mUnited Airlines
Thu 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 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 September 11, 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

Tue 10/7

1:00 pm-1:30 pm

2 stops17h 30m

London Heathrow

Tue 10/14

6:30 am-10:16 pm

2 stops22h 46m

$627

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 11/10

1:06 pm-10:00 am

1 stop13h 54m

London Heathrow

Tue 11/18

10:45 am-10:37 pm

1 stop18h 52m

$630

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 11/3

1:00 pm-10:00 am

1 stop14h 00m

London Heathrow

Thu 11/20

10:45 am-10:37 pm

1 stop18h 52m

$630

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 11/5

1:00 pm-10:00 am

1 stop14h 00m

London Heathrow

Thu 11/20

10:45 am-10:37 pm

1 stop18h 52m

$630

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 11/10

1:06 pm-10:00 am

1 stop13h 54m

London Heathrow

Wed 11/19

10:45 am-10:37 pm

1 stop18h 52m

$630

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 10/8

1:00 pm-2:15 pm

2 stops18h 15m

London Heathrow

Wed 10/15

9:55 am-10:16 pm

2 stops19h 21m

$635

HelenaLondon

HLN - LHR

HLNLHR

Helena

Fri 11/7

1:00 pm-10:00 am

1 stop14h 00m

London Heathrow

Fri 11/21

6:20 am-10:37 pm

2 stops23h 17m

$671

HelenaLondon

HLN - LHR

HLNLHR

Helena

Mon 11/10

5:33 am-10:00 am

1 stop21h 27m

London Heathrow

Sat 11/22

10:45 am-10:37 pm

1 stop18h 52m

$680

HelenaLondon

HLN - LCY

HLNLCY

Helena

Mon 11/10

1:06 pm-9:30 am

2 stops37h 24m

London City

Wed 11/19

7:45 am-10:37 pm

2 stops45h 52m

$681

HelenaLondon

HLN - LCY

HLNLCY

Helena

Mon 11/3

5:45 am-7:15 am

2 stops42h 30m

London City

Thu 11/20

7:45 am-10:37 pm

2 stops45h 52m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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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 $1,098). 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.

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 September 11, 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
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $627, Delta can have you in United Kingdom from Helena in 17h 30m. Helena and United Kingdom are separated by a distance of 4537 mi.

  • 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 $1,098). 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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$700Average$1,006FlexibilityNo cancel feeOn-timeN/A

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