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$541+ Cheap flights from Billings (BIL) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Billings to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) 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

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$820
(United Airlines)

One-way from

$541
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$814
Provider with most accurate pricing for Billings Logan Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-London Heathrow flights.
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From Billings Logan Intl to London Heathrow
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One-way flight from Billings Logan Intl to London Heathrow
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Highest demand for flights based on searches. 14% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Billings to Heathrow

Cheapest flights from Billings to Heathrow
Explore the most affordable flight options available from Billings to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

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.
Sun 9/75:00 amBIL - LHR
1 stop21h 40mUnited Airlines
Sun 9/145:40 pmLHR - BIL
2 stops35h 59mUnited Airlines
Deal found 4/17$820
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:35 pmBIL - LHR
1 stop15h 20mMultiple Airlines
Sun 9/143:30 pmLHR - BIL
1 stop14h 37mMultiple Airlines
Deal found 4/17$836
This KLM deal was found by Cheapflights users on 4/16. 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 8/2911:38 amBIL - LHR
1 stop15h 12mKLM
Mon 9/812:25 pmLHR - BIL
1 stop17h 19mKLM
Deal found 4/16$941
This Delta deal was found by Cheapflights users on 4/16. 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 6/26:23 amBIL - LHR
2 stops19h 27mDelta
Wed 6/1111:30 amLHR - BIL
2 stops18h 41mDelta
Deal found 4/16$998
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/307:13 amBIL - LHR
1 stop16h 12mAmerican Airlines
Fri 6/612:00 pmLHR - BIL
1 stop16h 55mAmerican Airlines
Deal found 4/17$1,147
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/25:00 amBIL - LHR
3 stops18h 35mAir Canada
Wed 6/112:05 pmLHR - BIL
3 stops26h 32mAir Canada
Deal found 4/17$1,373

Cheapflights Fare Finder

Customize your flight search to find flights from Billings 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 Billings to London Heathrow Airport that are best for you.

Fly from

Billings

Fly to

Heathrow

Route

Depart

Return

Price

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 9/7

5:00 am-9:40 am

1 stop21h 40m

London Heathrow

Sun 9/14

5:40 pm-10:39 pm

2 stops35h 59m

$820

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 9/7

12:35 pm-10:55 am

1 stop15h 20m

London Heathrow

Sun 9/14

3:30 pm-11:07 pm

1 stop14h 37m

$836

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 6/2

6:23 am-8:50 am

2 stops19h 27m

London Heathrow

Wed 6/11

11:30 am-11:11 pm

2 stops18h 41m

$998

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 5/30

7:13 am-6:25 am

1 stop16h 12m

London Heathrow

Fri 6/6

12:00 pm-9:55 pm

1 stop16h 55m

$1,147

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 6/2

5:00 am-6:35 am

3 stops18h 35m

London Heathrow

Wed 6/11

2:05 pm-9:37 am

3 stops26h 32m

$1,373

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 6/5

9:55 pm-9:55 pm

3 stops41h 00m

$541

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 6/2

6:23 am-9:15 am

2 stops19h 52m

$828

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 6/2

5:00 am-6:35 am

3 stops18h 35m

$835

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 6/5

10:50 am-12:20 pm

1 stop18h 30m

$895

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Billings to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Heathrow in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-London Heathrow Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Billings-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Billings-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-London Heathrow Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Billings-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 Billings to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Billings 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 Billings to London Heathrow Airport

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.
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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.
Air Canada
7.0
Good
9,142 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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 Billings 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 Billings to London Heathrow?

    Billings Logan Intl (BIL), located 2.7 mi from the city center, is the airport you fly out of when you book flights from Billings to London Heathrow. 1 airline have flights from Billings Logan Intl to London Heathrow on a regular basis. Booking flights from Billings Logan Intl to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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

    United Airlines, at $820, was found to be the cheapest airline from Billings to London Heathrow Airport.Alternate airlines to your destination round-trip include KLM and Delta. You may be able to fly from Billings to London Heathrow Airport for 16% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Billings to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $828. Air Canada flights start at $835 while deals on United Airlines start at $895 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Billings 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 Billings to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Billings to London Heathrow Airport (average of $661). Flying from Billings 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 Billings?

Book flights to Billings 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 Billings to Heathrow

Discover the top airline that operate flights from Billings 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$686Average$996FlexibilityNo cancel feeOn-time69%

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