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$729+ Cheap flights from Billings (BIL) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LON
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Billings to London

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to London (LON). 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 July 1, 2025.

Round-trip from

$729
(Booking.com)
From Billings Logan Intl to London (LON)
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Cheapest flights from Billings to London
Explore the most affordable flight options available from Billings to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This Booking.com deal was found by Cheapflights users on 6/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:00 amBIL - LHR
2 stops22h 00mMultiple Airlines
Wed 8/207:25 amLHR - BIL
2 stops20h 09mMultiple Airlines
Deal found 6/29$729
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/135:55 pmBIL - LHR
1 stop11h 25mUnited Airlines
Wed 8/206:50 amLHR - BIL
2 stops35h 26mUnited Airlines
Deal found 6/29$748
This Ticket deal was found by Cheapflights users on 6/29. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:30 amBIL - LHR
1 stop23h 40mAir France
Thu 8/2111:30 amLHR - BIL
2 stops18h 42mAir France
Deal found 6/29$758
This Ticket deal was found by Cheapflights users on 7/1. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:30 amBIL - LHR
1 stop15h 20mKLM
Fri 8/2211:45 amLHR - BIL
2 stops17h 49mKLM
Deal found 7/1$774
This Flysmarter deal was found by Cheapflights users on 7/1. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:19 pmBIL - LHR
1 stop13h 51mBritish Airways
Fri 8/223:30 pmLHR - BIL
1 stop14h 30mBritish Airways
Deal found 7/1$777
This SWISS deal was found by Cheapflights users on 6/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:35 pmBIL - LCY
2 stops21h 10mSWISS
Wed 8/209:25 amLCY - BIL
2 stops18h 09mSWISS
Deal found 6/29$780
This Air Canada deal was found by Cheapflights users on 6/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:00 amBIL - LHR
2 stops20h 00mAir Canada
Wed 10/153:50 pmLHR - BIL
2 stops35h 59mAir Canada
Deal found 6/30$794
This Delta deal was found by Cheapflights users on 7/1. 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.
Fri 8/1511:30 amBIL - LHR
1 stop15h 20mDelta
Fri 8/226:15 amLHR - BIL
2 stops23h 57mDelta
Deal found 7/1$795
This Virgin Atlantic deal was found by Cheapflights users on 7/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2911:46 amBIL - LHR
2 stops16h 39mVirgin Atlantic
Tue 8/59:40 amLHR - BIL
2 stops20h 30mVirgin Atlantic
Deal found 7/1$799
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:19 pmBIL - LHR
1 stop16h 56mAmerican Airlines
Fri 8/223:30 pmLHR - BIL
1 stop14h 30mAmerican Airlines
Deal found 7/1$806
This Flysmarter deal was found by Cheapflights users on 6/29. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:35 pmBIL - LCY
2 stops18h 50mLufthansa
Thu 8/218:45 amLCY - BIL
2 stops18h 49mLufthansa
Deal found 6/29$835
This Delta deal was found by Cheapflights users on 6/30. 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.
Thu 10/96:25 amBIL - LCY
2 stops20h 05mDelta
Wed 10/159:20 amLCY - BIL
2 stops20h 24mDelta
Deal found 6/30$880

Cheapflights Fare Finder

Customize your flight search to find flights from Billings to London 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 July 1, 2025.
Use the filters below to find and compare flights from Billings to London that are best for you.

Fly from

Billings

Fly to

London

Route

Depart

Return

Price

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 8/13

5:00 am-10:00 am

2 stops22h 00m

London Heathrow

Wed 8/20

7:25 am-8:34 pm

2 stops20h 09m

$729

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 8/13

5:55 pm-12:20 pm

1 stop11h 25m

London Heathrow

Wed 8/20

6:50 am-11:16 am

2 stops35h 26m

$748

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 8/14

6:30 am-1:10 pm

1 stop23h 40m

London Heathrow

Thu 8/21

11:30 am-11:12 pm

2 stops18h 42m

$758

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 8/15

11:30 am-9:50 am

1 stop15h 20m

London Heathrow

Fri 8/22

11:45 am-10:34 pm

2 stops17h 49m

$774

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 8/15

12:19 pm-9:10 am

1 stop13h 51m

London Heathrow

Fri 8/22

3:30 pm-11:00 pm

1 stop14h 30m

$777

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Wed 8/13

2:35 pm-6:45 pm

2 stops21h 10m

London City

Wed 8/20

9:25 am-8:34 pm

2 stops18h 09m

$780

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 10/9

7:00 am-10:00 am

2 stops20h 00m

London Heathrow

Wed 10/15

3:50 pm-8:49 pm

2 stops35h 59m

$794

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 8/15

11:30 am-9:50 am

1 stop15h 20m

London Heathrow

Fri 8/22

6:15 am-11:12 pm

2 stops23h 57m

$795

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 7/29

11:46 am-11:25 am

2 stops16h 39m

London Heathrow

Tue 8/5

9:40 am-11:10 pm

2 stops20h 30m

$799

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 8/15

12:19 pm-12:15 pm

1 stop16h 56m

London Heathrow

Fri 8/22

3:30 pm-11:00 pm

1 stop14h 30m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 14 results
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Best time to book a flight from Billings to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Cheapflights Insights

Everything you need to know about your flight from Billings to London
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated July 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Air France from Billings to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Billings to London. 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?

    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. 1 airline have flights from Billings Logan Intl to London on a regular basis. Booking flights from Billings Logan Intl to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

  • What are the cheapest airlines flying from Billings to London round-trip?

    According to our current data, United Airlines ($748), Air France ($758), and KLM ($774) offers the cheapest pricing from Billings to London.

  • Can I find deals for flights from Billings to London that include hotel bookings?

    Yes. In addition to deals on Billings to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to London.

  • Can I find deals for business class flights from Billings to London?

    Yes. Cheapflights offers flight deals from Billings to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billings to London?

    Currently, November is the cheapest month in which you can book a flight from Billings to London (average of $661). Flying from Billings to London in June is currently the most expensive (average of $1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Billings to London

Discover the top airline that operate flights from Billings to London. 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$686Average$895FlexibilityNo cancel feeOn-time69%

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