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Cheap flights from Billings to London Heathrow Airport from £457

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£457

Popular in

July

Cheapest in

February

Average price

£589
Air France
  • Air France
  • 5/11-12/11
  • 3 total stops
  • 33h 39m total
  • Billings to London
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Highest demand for flights based on searches. 16% potential increase in price (£102 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
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Average for round-trip flights in September 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 17 September 2025.

Wed 5/1111:45BIL - LHR
1 stop15h 15mMultiple Airlines
Wed 12/1106:20LHR - BIL
2 stops18h 24mMultiple Airlines
Deal found 14/9£457
Wed 1/1011:33BIL - LHR
1 stop15h 17mKLM
Wed 8/1011:45LHR - BIL
2 stops17h 40mKLM
Deal found 14/9£458
Wed 1/1011:33BIL - LHR
1 stop15h 17mDelta
Wed 8/1009:55LHR - BIL
2 stops20h 23mDelta
Deal found 16/9£458
Thu 30/1006:25BIL - LHR
1 stop18h 40mDelta
Thu 6/1106:20LHR - BIL
2 stops23h 05mDelta
Deal found 15/9£493
Thu 30/1006:25BIL - LHR
1 stop18h 40mVirgin Atlantic
Thu 6/1110:45LHR - BIL
1 stop18h 40mVirgin Atlantic
Deal found 15/9£499
Wed 15/1005:25BIL - LHR
2 stops25h 50mDelta
Sun 19/1018:30LHR - BIL
2 stops23h 34mDelta
Deal found 16/9£503
Wed 15/1005:00BIL - LHR
1 stop21h 40mUnited Airlines
Sun 19/1009:30LHR - BIL
2 stops32h 46mUnited Airlines
Deal found 15/9£528

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 17 September 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

Wed 5/11

11:45-10:00

1 stop15h 15m

London Heathrow

Wed 12/11

06:20-17:44

2 stops18h 24m

£457

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 1/10

11:33-09:50

1 stop15h 17m

London Heathrow

Wed 8/10

11:45-22:25

2 stops17h 40m

£458

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 30/10

06:25-07:05

1 stop18h 40m

London Heathrow

Thu 6/11

06:20-22:25

2 stops23h 05m

£493

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 1/10

18:19-20:00

2 stops18h 41m

London Heathrow

Wed 8/10

11:45-23:18

2 stops18h 33m

£498

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 30/10

06:25-07:05

1 stop18h 40m

London Heathrow

Thu 6/11

10:45-22:25

1 stop18h 40m

£499

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 15/10

05:25-14:15

2 stops25h 50m

London Heathrow

Sun 19/10

18:30-11:04

2 stops23h 34m

£503

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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

What’s the top stopover airport for flights from Billings to London Heathrow Airport?

Share of one-stop return flights from Billings to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Denver (DEN) – chosen by Cheapflights users on 60% of one-stop itineraries from Billings to London Heathrow Airport on Cheapflights.

What’s the fastest stopover option from Billings to London Heathrow Airport?

Shortest average travel time for one-stop one-way flights from Billings to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for one-stop routes: 12h 27m.

What’s the fastest stopover option from Billings to London Heathrow Airport?

Shortest average travel time for one-stop one-way flights from Billings to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for one-stop routes: 12h 27m.

Which airport typically offers the quickest stopover for flights from Billings to London Heathrow Airport?

Average stopover duration for one-stop one-way flights from Billings to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 34m.

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.

  • How long is the flight from Billings to London Heathrow Airport?

    Airlines like KLM fly from Billings to London Heathrow Airport in about 15h 17m. The time it takes to get you to your destination can typically vary by up to . Billings and London Heathrow Airport are separated by a distance of 4473 mi.

  • 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Billings to Heathrow?

Cheapflights helps you search for flights from Billings to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Billings to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Billings to Heathrow.

Can Cheapflights find flights from Billings to Heathrow with no change fees?

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.

Can Cheapflights notify me if prices for flights from Billings to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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