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Cheap flights from Billings to London Heathrow Airport from £640

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
22 abr. — 29 abr.1
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 23 marzo 2026.

mar. 1/912:28
BIL
-
LHR
1 stop15h 47m
American Airlines
mar. 15/912:55
LHR
-
BIL
1 stop16h 46m
American Airlines
Deal found 21/3£640
dom. 1/1115:44
BIL
-
LHR
1 stop12h 36m
Multiple Airlines
sáb. 7/1108:35
LHR
-
BIL
2 stops19h 40m
Multiple Airlines
Deal found 21/3£649
sáb. 5/912:28
BIL
-
LHR
1 stop13h 37m
American Airlines
mié. 16/912:15
LHR
-
BIL
1 stop17h 07m
American Airlines
Deal found 18/3£677
sáb. 5/912:28
BIL
-
LHR
1 stop15h 47m
Multiple Airlines
mié. 16/911:10
LHR
-
BIL
1 stop18h 12m
Multiple Airlines
Deal found 19/3£678
lun. 31/819:17
BIL
-
LHR
1 stop12h 48m
Alaska Airlines
mar. 15/917:00
LHR
-
BIL
1 stop29h 08m
Alaska Airlines
Deal found 21/3£703
jue. 16/413:51
BIL
-
LHR
1 stop17h 34m
American Airlines
mar. 21/414:25
LHR
-
BIL
1 stop15h 18m
American Airlines
Deal found 18/3£722
jue. 16/406:00
BIL
-
LHR
1 stop17h 20m
Multiple Airlines
mar. 21/409:50
LHR
-
BIL
1 stop21h 08m
Multiple Airlines
Deal found 19/3£723
mar. 1/914:25
BIL
-
LHR
1 stop12h 15m
United Airlines
mar. 15/907:25
LHR
-
BIL
2 stops22h 26m
United Airlines
Deal found 20/3£737

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 23 marzo 2026.

Round-trip from

£640
American Airlines
  • American Airlines
  • 1/9-15/9
  • 2 total stops
  • 32h 33m 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 23 marzo 2026.
Use the filters below to find and compare flights from Billings to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

mar. 1/9

14:25-09:40

1 stop12h 15m

London Heathrow

mar. 15/9

07:25-22:51

2 stops22h 26m

£737

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

sáb. 5/9

16:10-09:40

1 stop34h 30m

London Heathrow

mié. 16/9

07:25-09:41

2 stops33h 16m

£746
Fastest return journey

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

mar. 1/9

14:25-09:40

1 stop12h 15m

London Heathrow

mié. 16/9

14:50-21:00

1 stop13h 10m

£759

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

mié. 2/9

14:25-12:20

1 stop14h 55m

London Heathrow

mar. 15/9

11:25-17:16

1 stop12h 51m

£759

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

mié. 2/9

07:00-06:30

2 stops16h 30m

London Heathrow

mié. 16/9

11:25-21:00

1 stop16h 35m

£761

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Sorted by cheapest first

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.

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 15m. 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

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Alternative routes for Billings to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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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