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Cheap flights from Billings to London Heathrow Airport from £359

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
3 Jun — 10 Jun1
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 4 May 2026.

Wed 4/1111:35
BIL
-
LHR
1 stop15h 25m
KLM
Mon 22/220:25
LHR
-
BIL
2 stops28h 24m
KLM
Deal found 29/4£646
Wed 4/1105:45
BIL
-
LHR
2 stops18h 20m
Delta
Tue 23/208:40
LHR
-
BIL
2 stops18h 08m
Delta
Deal found 30/4£649
Mon 2/1118:25
BIL
-
LHR
2 stops28h 55m
Delta
Tue 23/208:40
LHR
-
BIL
2 stops18h 08m
Delta
Deal found 29/4£650
Tue 3/1111:35
BIL
-
LHR
2 stops16h 10m
KLM
Mon 22/220:25
LHR
-
BIL
2 stops28h 24m
KLM
Deal found 29/4£653
Wed 4/1114:03
BIL
-
LHR
1 stop15h 17m
Alaska Airlines
Fri 26/214:45
LHR
-
BIL
1 stop16h 23m
Alaska Airlines
Deal found 29/4£655
Sat 31/1018:25
BIL
-
LHR
2 stops31h 10m
Delta
Fri 26/206:30
LHR
-
BIL
2 stops20h 18m
Delta
Deal found 29/4£657
Sat 7/1119:17
BIL
-
LHR
1 stop34h 03m
Alaska Airlines
Wed 24/214:45
LHR
-
BIL
1 stop16h 23m
Alaska Airlines
Deal found 29/4£658
Sat 7/1119:17
BIL
-
LHR
1 stop34h 03m
Alaska Airlines
Thu 25/214:45
LHR
-
BIL
1 stop31h 23m
Alaska Airlines
Deal found 29/4£663
Sun 1/1106:15
BIL
-
LHR
1 stop17h 50m
Delta
Thu 25/211:05
LHR
-
BIL
1 stop15h 43m
Delta
Deal found 29/4£668
Sat 31/1018:25
BIL
-
LHR
2 stops31h 10m
Delta
Tue 23/210:45
LHR
-
BIL
1 stop14h 03m
Delta
Deal found 29/4£679
Thu 29/1006:15
BIL
-
LHR
2 stops18h 35m
Delta
Tue 23/208:40
LHR
-
BIL
2 stops18h 08m
Delta
Deal found 29/4£687

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 4 May 2026.

Round-trip from

£683

One-way from

£359
Delta
  • Delta
  • 10/8-24/8
  • 3 total stops
  • 44h 22m total
  • Billings to London
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 27/7
  • 1 total stop
  • 12h 43m 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 4 May 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

Sat 31/10

18:25-07:35

2 stops31h 10m

London Heathrow

Tue 23/2

10:45-17:48

1 stop14h 03m

£679

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sat 31/10

11:35-10:00

1 stop16h 25m

London Heathrow

Thu 25/2

08:40-19:48

2 stops18h 08m

£683

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sat 31/10

12:00-12:20

1 stop18h 20m

London Heathrow

Mon 22/2

14:45-00:08

1 stop16h 23m

£728
Fastest return journey

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 29/10

14:40-09:40

1 stop13h 00m

London Heathrow

Thu 25/2

11:35-17:19

1 stop12h 44m

£749

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 29/10

14:40-09:40

1 stop13h 00m

London Heathrow

Sun 21/2

11:35-17:19

1 stop12h 44m

£786

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 20/7

06:24-07:10

2 stops17h 46m

London Heathrow

Wed 29/7

12:25-23:20

1 stop17h 55m

£788

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 20/7

06:24-07:10

2 stops17h 46m

London Heathrow

Mon 27/7

12:25-22:50

2 stops17h 25m

£839

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 1/7

18:00-12:35

1 stop11h 35m

London Heathrow

Sun 5/7

11:25-21:17

1 stop16h 52m

£909

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 1/7

05:20-10:00

1 stop21h 40m

London Heathrow

Sun 5/7

12:25-22:59

1 stop17h 34m

£909
Cheapest one-way

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 28/7

11:45-15:05

1 stop20h 20m

£359

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 15 resultsSorted by cheapest first
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.

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 Delta, Alaska Airlines, and United Airlines fly from Billings to London Heathrow Airport in about 13h. The time it takes to get you to your destination can typically vary by up to 18h 10m. 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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

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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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