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Cheap flights from Billings to London Heathrow Airport from £303

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
8 Mar — 15 Mar1
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 6 February 2026.

Thu 5/314:35
BIL
-
LHR
1 stop12h 05m
United Airlines
Thu 12/306:35
LHR
-
BIL
2 stops20h 32m
United Airlines
Deal found 5/2£466
Sun 15/317:55
BIL
-
LHR
1 stop33h 45m
United Airlines
Wed 25/318:00
LHR
-
BIL
2 stops33h 07m
United Airlines
Deal found 2/2£478
Wed 11/306:30
BIL
-
LHR
2 stops21h 55m
United Airlines
Wed 25/318:00
LHR
-
BIL
2 stops33h 07m
United Airlines
Deal found 2/2£481
Thu 5/306:20
BIL
-
LHR
1 stop17h 45m
Multiple Airlines
Thu 12/311:05
LHR
-
BIL
1 stop15h 14m
Multiple Airlines
Deal found 5/2£487
Sun 15/317:55
BIL
-
LHR
1 stop33h 45m
United Airlines
Mon 23/315:20
LHR
-
BIL
2 stops28h 03m
United Airlines
Deal found 2/2£489
Wed 11/311:34
BIL
-
LHR
2 stops16h 56m
Delta
Thu 19/310:45
LHR
-
BIL
1 stop17h 44m
Delta
Deal found 2/2£492
Fri 13/317:55
BIL
-
LHR
2 stops30h 45m
United Airlines
Tue 24/316:20
LHR
-
BIL
2 stops23h 33m
United Airlines
Deal found 2/2£500
Sat 14/318:21
BIL
-
LHR
2 stops16h 29m
Delta
Mon 23/316:35
LHR
-
BIL
2 stops33h 44m
Delta
Deal found 2/2£565
Thu 5/310:50
BIL
-
LHR
3 stops17h 30m
Air Canada
Thu 12/311:10
LHR
-
BIL
3 stops28h 43m
Air Canada
Deal found 5/2£576

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 6 February 2026.

Round-trip from

£466

One-way from

£303
United Airlines
  • United Airlines
  • 5/3-12/3
  • 3 total stops
  • 32h 37m total
  • Billings to London
Search Deals
United Airlines
  • United Airlines
  • 6/3
  • 1 total stop
  • 32h 45m 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 6 February 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

Thu 5/3

14:35-09:40

1 stop12h 05m

London Heathrow

Thu 12/3

06:35-21:07

2 stops20h 32m

£466

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 15/3

17:55-09:40

1 stop33h 45m

London Heathrow

Wed 25/3

18:00-21:07

2 stops33h 07m

£478

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 16/3

06:30-11:15

2 stops22h 45m

London Heathrow

Wed 25/3

18:00-21:07

2 stops33h 07m

£481

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 12/3

14:35-20:35

2 stops24h 00m

London Heathrow

Wed 25/3

18:00-21:07

2 stops33h 07m

£481

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 5/3

06:20-07:05

1 stop17h 45m

London Heathrow

Thu 12/3

11:05-20:19

1 stop15h 14m

£487

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 17/3

11:34-10:00

1 stop16h 26m

London Heathrow

Tue 24/3

10:45-22:29

1 stop17h 44m

£489

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 17/3

06:25-07:05

1 stop18h 40m

London Heathrow

Wed 25/3

11:05-20:19

1 stop15h 14m

£489

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 16/3

14:35-09:40

1 stop13h 05m

London Heathrow

Mon 23/3

15:20-13:23

2 stops28h 03m

£489

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 11/3

11:34-10:30

2 stops16h 56m

London Heathrow

Thu 19/3

10:45-22:29

1 stop17h 44m

£492

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 15/3

17:55-09:40

1 stop33h 45m

London Heathrow

Mon 23/3

13:45-13:23

3 stops29h 38m

£492

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 13 results
1
2

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 £560.

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 United Airlines fly from Billings to London Heathrow Airport in about 12h 05m. 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.

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Billings to Heathrow

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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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