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$789+ Cheap flights from Billings (BIL) 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$789
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,286
From Billings Logan Intl to London Heathrow
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Highest demand for flights based on searches. 27% potential increase in price ($373 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:53 pmBIL - LHR
2 stops19h 47mUnited Airlines
Thu 9/255:40 pmLHR - BIL
2 stops36h 06mUnited Airlines
Deal found 6/10$789
This KLM deal was found by Cheapflights users on 6/12. 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.
Sun 7/276:20 amBIL - LHR
1 stop23h 50mMultiple Airlines
Sun 8/312:25 pmLHR - BIL
1 stop17h 45mMultiple Airlines
Deal found 6/12$842
This Delta deal was found by Cheapflights users on 6/12. 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 7/276:20 amBIL - LHR
2 stops20h 55mDelta
Sun 8/312:25 pmLHR - BIL
1 stop17h 45mDelta
Deal found 6/12$856
This KLM deal was found by Cheapflights users on 6/11. 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.
Sat 7/2611:46 amBIL - LHR
1 stop15h 04mKLM
Sat 8/212:25 pmLHR - BIL
1 stop14h 23mKLM
Deal found 6/11$902
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:00 amBIL - LHR
3 stops16h 30mAir Canada
Thu 9/188:30 amLHR - BIL
3 stops19h 04mAir Canada
Deal found 6/9$1,864
This AranGrant deal was found by Cheapflights users on 6/11. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/82:35 pmBIL - LHR
1 stop14h 45mLufthansa
Mon 7/145:50 pmLHR - BIL
2 stops30h 24mLufthansa
Deal found 6/11$2,265

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 June 12, 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

Thu 9/18

5:53 pm-8:40 pm

2 stops19h 47m

London Heathrow

Thu 9/25

5:40 pm-10:46 pm

2 stops36h 06m

$789

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 7/27

6:20 am-1:10 pm

1 stop23h 50m

London Heathrow

Sun 8/3

12:25 pm-11:10 pm

1 stop17h 45m

$842

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 7/27

6:20 am-10:15 am

2 stops20h 55m

London Heathrow

Sun 8/3

12:25 pm-11:10 pm

1 stop17h 45m

$856

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sat 7/26

11:46 am-9:50 am

1 stop15h 04m

London Heathrow

Sat 8/2

12:25 pm-7:48 pm

1 stop14h 23m

$902

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 9/14

7:00 am-6:30 am

3 stops16h 30m

London Heathrow

Thu 9/18

8:30 am-8:34 pm

3 stops19h 04m

$1,864

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 7/8

2:35 pm-12:20 pm

1 stop14h 45m

London Heathrow

Mon 7/14

5:50 pm-5:14 pm

2 stops30h 24m

$2,265

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 6/17

7:17 pm-8:20 pm

2 stops18h 03m

$981

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 6/17

5:20 am-9:50 am

1 stop21h 30m

$1,013

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 6/17

7:00 am-6:30 am

3 stops16h 30m

$1,020

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 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 $789, was found to be the cheapest airline from Billings to London Heathrow Airport.Alternate airlines to your destination round-trip include Virgin Atlantic and Delta. You may be able to fly from Billings to London Heathrow Airport for 19% less than the average price by searching for these airlines.

  • 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 $1,108). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

Browse thousands of different options on Cheapflights for your next trip

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$686Average$996FlexibilityNo cancel feeOn-time69%

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