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$469+ Cheap flights from Billings (BIL) to Heathrow (LHR)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LHR
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Billings to Heathrow

Best flights from Billings to Heathrow
Discover carefully curated flight deals from Billings to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Air France deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:20 amBIL - LHR
1 stop17h 45mMultiple Airlines
Sun 2/228:40 amLHR - BIL
2 stops17h 59mMultiple Airlines
Deal found 1/1$632
This Delta deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:15 amBIL - LHR
1 stop21h 45mDelta
Wed 5/206:30 amLHR - BIL
2 stops23h 07mDelta
Deal found 12/31$646
This United Airlines deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:38 amBIL - LHR
1 stop16h 02mUnited Airlines
Thu 4/306:55 amLHR - BIL
2 stops33h 56mUnited Airlines
Deal found 12/31$646
This United Airlines deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:35 pmBIL - LHR
1 stop12h 05mUnited Airlines
Tue 4/286:55 amLHR - BIL
2 stops22h 48mUnited Airlines
Deal found 1/1$647
This Delta deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:33 amBIL - LHR
1 stop16h 27mDelta
Wed 4/296:30 amLHR - BIL
2 stops20h 41mDelta
Deal found 1/1$647
This United Airlines deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:51 pmBIL - LHR
1 stop32h 49mUnited Airlines
Tue 4/289:00 amLHR - BIL
2 stops20h 43mUnited Airlines
Deal found 1/1$647
This Delta deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:15 amBIL - LHR
1 stop22h 45mDelta
Fri 5/16:30 amLHR - BIL
2 stops20h 41mDelta
Deal found 1/1$647
This United Airlines deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:35 pmBIL - LHR
1 stop12h 05mUnited Airlines
Thu 4/306:55 amLHR - BIL
2 stops33h 56mUnited Airlines
Deal found 1/1$647
This Delta deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:18 pmBIL - LHR
2 stops18h 52mDelta
Wed 5/206:30 amLHR - BIL
2 stops23h 07mDelta
Deal found 12/31$650
This United Airlines deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:51 pmBIL - LHR
1 stop32h 49mUnited Airlines
Wed 4/296:55 amLHR - BIL
2 stops21h 02mUnited Airlines
Deal found 1/1$647

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 January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$632
(Air France)

One-way from

$469
(KLM)
Provider with most accurate pricing for Billings Logan Intl-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-London Heathrow flights.
Search Deals
From Billings Logan Intl to London Heathrow
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One-way flight from Billings Logan Intl to London Heathrow
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 2, 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

Sun 2/15

6:20 am-7:05 am

1 stop17h 45m

London Heathrow

Sun 2/22

8:40 am-7:39 pm

2 stops17h 59m

$632

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 4/29

5:15 am-10:00 am

1 stop21h 45m

London Heathrow

Wed 5/20

6:30 am-10:37 pm

2 stops23h 07m

$646

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 4/1

10:38 am-9:40 am

1 stop16h 02m

London Heathrow

Thu 4/30

6:55 am-9:51 am

2 stops33h 56m

$646

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 4/15

2:35 pm-9:40 am

1 stop12h 05m

London Heathrow

Tue 4/28

6:55 am-10:43 pm

2 stops22h 48m

$647

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 4/14

11:33 am-11:00 am

1 stop16h 27m

London Heathrow

Wed 4/29

6:30 am-8:11 pm

2 stops20h 41m

$647

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sat 4/18

5:51 pm-9:40 am

1 stop32h 49m

London Heathrow

Tue 4/28

9:00 am-10:43 pm

2 stops20h 43m

$647

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 4/14

5:15 am-11:00 am

1 stop22h 45m

London Heathrow

Fri 5/1

6:30 am-8:11 pm

2 stops20h 41m

$647

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 4/15

2:35 pm-9:40 am

1 stop12h 05m

London Heathrow

Thu 4/30

6:55 am-9:51 am

2 stops33h 56m

$647

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sat 4/18

5:51 pm-9:40 am

1 stop32h 49m

London Heathrow

Wed 4/29

6:55 am-8:57 pm

2 stops21h 02m

$647

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 4/28

6:18 pm-8:10 pm

2 stops18h 52m

London Heathrow

Wed 5/20

6:30 am-10:37 pm

2 stops23h 07m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 19 results
1
2

Compare providers for flights from Billings to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Heathrow in January.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billings-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Billings-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated January 2, 2026.
Read reviews from past customers who have flown United Airlines from Billings to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,132 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.
United Airlines
7.4
Good
9,132 reviews
United Airlines
7.4
Good
9,132 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.

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?

    Billings Logan Intl (BIL), located 2.7 mi from the city center, is the airport you fly out of when you book flights from Billings to London Heathrow. 1 airline have flights from Billings Logan Intl to London Heathrow on a regular basis. Booking flights from Billings Logan Intl to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • How long is the flight from Billings to London Heathrow Airport?

    Delta and United Airlines can get you from Billings to London Heathrow Airport in just under 16h 02m. Your travel time can differ by up to 5h 43m. Airlines will cover a distance of 4473 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Billings to London Heathrow Airport round-trip?

    United Airlines, at $666, was found to be the cheapest airline from Billings to London Heathrow Airport..

  • 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 vacation 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Billings to Heathrow

Discover the top airline that operate flights from Billings to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$666Average$813FlexibilityNo cancel feeOn-time69%

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