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Cheap flights from Billings to London Heathrow Airport from £504

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
20 ago — 27 ago1
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 15 agosto 2025.

Round-trip from

£504

Popular in

July

Cheapest in

February

Average price

£552
United Airlines
  • United Airlines
  • 11/9-18/9
  • 3 total stops
  • 47h 07m total
  • Billings to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£103 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£32 potential savings vs. average return price).
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Average for round-trip flights in August 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 15 agosto 2025.

gio 11/917:57BIL - LHR
1 stop11h 23mUnited Airlines
gio 18/915:50LHR - BIL
2 stops35h 44mUnited Airlines
Deal found 14/8£504
dom 28/914:30BIL - LHR
2 stops36h 05mAir Canada
dom 5/1015:50LHR - BIL
2 stops35h 59mAir Canada
Deal found 14/8£509
gio 9/1007:00BIL - LHR
2 stops20h 00mUnited Airlines
mer 15/1015:50LHR - BIL
2 stops35h 59mUnited Airlines
Deal found 13/8£510
ven 10/1007:00BIL - LHR
2 stops21h 50mMultiple Airlines
ven 17/1007:25LHR - BIL
2 stops20h 24mMultiple Airlines
Deal found 14/8£510
mar 30/905:00BIL - LHR
2 stops21h 35mAir Canada
gio 30/409:30LHR - BIL
2 stops34h 43mAir Canada
Deal found 13/8£512
dom 28/906:25BIL - LHR
1 stop23h 45mMultiple Airlines
dom 5/1010:55LHR - BIL
1 stop13h 44mMultiple Airlines
Deal found 14/8£513
mar 30/914:30BIL - LHR
1 stop14h 50mUnited Airlines
gio 30/415:50LHR - BIL
2 stops32h 29mUnited Airlines
Deal found 13/8£516
gio 11/907:00BIL - LHR
2 stops16h 55mUnited Airlines
mar 30/912:15LHR - BIL
2 stops17h 31mUnited Airlines
Deal found 14/8£520
gio 11/914:35BIL - LHR
1 stop12h 05mLufthansa
lun 29/920:25LHR - BIL
2 stops31h 24mLufthansa
Deal found 14/8£523

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 15 agosto 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

gio 11/9

17:57-12:20

1 stop11h 23m

London Heathrow

gio 18/9

15:50-20:34

2 stops35h 44m

£504

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

dom 28/9

14:30-12:20

1 stop14h 50m

London Heathrow

dom 5/10

08:30-11:16

2 stops33h 46m

£504

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

gio 11/9

10:54-09:40

1 stop15h 46m

London Heathrow

mar 30/9

15:50-20:49

2 stops35h 59m

£504

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

dom 28/9

14:30-09:35

2 stops36h 05m

London Heathrow

dom 5/10

15:50-20:49

2 stops35h 59m

£509

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

gio 9/10

05:00-10:00

2 stops22h 00m

London Heathrow

mer 15/10

15:50-20:49

2 stops35h 59m

£510

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

gio 9/10

07:00-10:00

2 stops20h 00m

London Heathrow

mer 15/10

15:50-20:49

2 stops35h 59m

£510

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

ven 10/10

07:00-11:50

2 stops21h 50m

London Heathrow

ven 17/10

07:25-20:49

2 stops20h 24m

£510

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

mar 30/9

05:00-09:35

2 stops21h 35m

London Heathrow

gio 30/4

09:30-13:13

2 stops34h 43m

£512

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

dom 28/9

06:25-13:10

1 stop23h 45m

London Heathrow

dom 5/10

10:55-17:39

1 stop13h 44m

£513

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

mar 30/9

14:30-12:20

1 stop14h 50m

London Heathrow

gio 30/4

15:50-17:19

2 stops32h 29m

£516

Flights are sorted by cheapest return flights first.

Deals found on 14/8

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 cheapest stopover airport for flights from Billings to London Heathrow Airport?

Average return fare for one-stop flights from Billings to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Denver (DEN) is the most affordable one-stop option, with an average return flight price of £561.

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.

  • 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
Gatwick
Slough
Northampton
Deal
Luton
Wembley
Crawley
Ilford
Hayes
Ipswich
Southend-on-Sea
Winchester
Folkestone
Eastbourne
Maidstone
Watford
Chichester

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Alternative routes for Billings to Heathrow

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Fly with Cheapflights

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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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