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Cheap flights from Billings to London Heathrow Airport from £620

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

£620

Popular in

December

Cheapest in

February

Average price

£946
KLM
  • KLM
  • 27/7-3/8
  • 2 total stops
  • 41h 35m total
  • Billings to London
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£202 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 13 June 2025.

Sun 27/706:20BIL - LHR
1 stop23h 50mMultiple Airlines
Sun 3/812:25LHR - BIL
1 stop17h 45mMultiple Airlines
Deal found 12/6£620
Sun 27/706:20BIL - LHR
2 stops20h 55mDelta
Sun 3/812:25LHR - BIL
1 stop17h 45mDelta
Deal found 12/6£630
Sat 26/711:46BIL - LHR
1 stop15h 04mKLM
Sat 2/812:25LHR - BIL
1 stop14h 23mKLM
Deal found 11/6£664
Sat 26/710:30BIL - LHR
2 stops17h 10mUnited Airlines
Sat 2/816:40LHR - BIL
2 stops25h 56mUnited Airlines
Deal found 11/6£667
Sun 27/705:00BIL - LHR
3 stops18h 35mAir Canada
Sun 3/808:30LHR - BIL
3 stops19h 33mAir Canada
Deal found 11/6£1,387
Tue 8/714:35BIL - LHR
1 stop14h 45mLufthansa
Mon 14/717:50LHR - BIL
2 stops30h 24mLufthansa
Deal found 11/6£1,667

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 13 June 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 27/7

06:20-13:10

1 stop23h 50m

London Heathrow

Sun 3/8

12:25-23:10

1 stop17h 45m

£620

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 27/7

06:20-10:15

2 stops20h 55m

London Heathrow

Sun 3/8

12:25-23:10

1 stop17h 45m

£630

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sat 26/7

11:46-09:50

1 stop15h 04m

London Heathrow

Sat 2/8

12:25-19:48

1 stop14h 23m

£664

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sat 26/7

10:30-10:40

2 stops17h 10m

London Heathrow

Sat 2/8

16:40-11:36

2 stops25h 56m

£667

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 27/7

05:00-06:35

3 stops18h 35m

London Heathrow

Sun 3/8

08:30-21:03

3 stops19h 33m

£1,387

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 8/7

14:35-12:20

1 stop14h 45m

London Heathrow

Mon 14/7

17:50-17:14

2 stops30h 24m

£1,667

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 return 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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 13 June 2025.
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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
8,790 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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!
Air Canada
7.1
Good
9,539 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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!
Lufthansa
6.8
Okay
7,139 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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 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?

    Most people fly from Billings Logan Intl (BIL) if they book a flight from Billings to London Heathrow. On average, Billings Logan Intl has 0 outbound flights to London Heathrow per day from 0 airlines. Billings Logan Intl is conveniently located just 2.7 mi from Billings’s city center.

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

    Currently priced at £630, Delta will fly you from Billings to London Heathrow Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and United Airlines - these airlines can fly you to your destination from £664 and £667, respectively. These flights start at 13% lower than the current average price 3 months from now.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Billings to London Heathrow Airport (average of £112). Flying from Billings to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Swindon

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Alternative routes for Billings to Heathrow

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Certainly. Search results for flights to Heathrow from Billings shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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