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Cheap flights from Billings to London Heathrow Airport from £464

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Billings to Heathrow

Enter your travel dates to find the best prices.

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 21 January 2026.

Wed 19/813:58
BIL
-
LHR
1 stop13h 57m
Multiple Airlines
Wed 2/912:55
LHR
-
BIL
1 stop15h 35m
Multiple Airlines
Deal found 17/1£464
Tue 4/814:40
BIL
-
LHR
2 stops32h 50m
Multiple Airlines
Wed 19/806:55
LHR
-
BIL
2 stops20h 56m
Multiple Airlines
Deal found 20/1£476
Wed 19/814:40
BIL
-
LHR
2 stops20h 00m
Lufthansa
Wed 2/906:55
LHR
-
BIL
2 stops20h 56m
Lufthansa
Deal found 17/1£485
Wed 19/814:40
BIL
-
LHR
1 stop12h 00m
United Airlines
Wed 2/913:40
LHR
-
BIL
2 stops34h 39m
United Airlines
Deal found 17/1£488
Tue 4/814:40
BIL
-
LHR
1 stop14h 40m
United Airlines
Wed 19/814:50
LHR
-
BIL
1 stop14h 51m
United Airlines
Deal found 20/1£501
Wed 4/207:10
BIL
-
LHR
1 stop19h 30m
United Airlines
Sun 8/211:35
LHR
-
BIL
1 stop16h 48m
United Airlines
Deal found 19/1£526
Sat 14/210:49
BIL
-
LHR
3 stops18h 01m
Multiple Airlines
Sat 21/211:10
LHR
-
BIL
2 stops17h 11m
Multiple Airlines
Deal found 18/1£616
Sun 31/510:45
BIL
-
LHR
1 stop18h 35m
United Airlines
Thu 11/606:55
LHR
-
BIL
2 stops22h 46m
United Airlines
Deal found 17/1£734

Find 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 21 January 2026.

Round-trip from

£515
United Airlines
  • United Airlines
  • 4/2-8/2
  • 3 total stops
  • 51h 18m total
  • Billings to London
Search Deals

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 21 January 2026.
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

Sat 14/2

13:48-11:40

1 stop14h 52m

London Heathrow

Sat 21/2

08:20-22:12

1 stop20h 52m

£526

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 4/2

07:10-09:40

1 stop19h 30m

London Heathrow

Sun 8/2

11:35-21:23

1 stop16h 48m

£526

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sat 14/2

10:49-11:50

3 stops18h 01m

London Heathrow

Sat 21/2

11:10-21:21

2 stops17h 11m

£616

Flights are sorted by cheapest return flights first.

Deals found on 18/1

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 £565.

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 American Airlines and United Airlines fly from Billings to London Heathrow Airport in about 14h 52m. The time it takes to get you to your destination can typically vary by up to 4h 38m. Billings and London Heathrow Airport are separated by a distance of 4473 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

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
Luton
Croydon
Northampton
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Swindon
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford

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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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