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$658+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LON
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from Billings to London

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 November 13, 2025.

This Gotogate deal was found by Cheapflights users on 11/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:54 pmBIL - LHR
2 stops30h 16mMultiple Airlines
Tue 12/96:35 amLHR - BIL
2 stops21h 46mMultiple Airlines
Deal found 11/13$658
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Thu 12/42:40 pmBIL - LHR
1 stop12h 00mUnited Airlines
Tue 12/99:30 amLHR - BIL
2 stops18h 51mUnited Airlines
Deal found 11/13$678
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Fri 12/127:00 amBIL - LHR
2 stops21h 15mUnited Airlines
Fri 12/194:20 pmLHR - BIL
2 stops36h 04mUnited Airlines
Deal found 11/12$814
This Air Canada deal was found by Cheapflights users on 11/13. 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 12/47:00 amBIL - LHR
3 stops17h 10mAir Canada
Tue 12/91:00 pmLHR - BIL
3 stops27h 46mAir Canada
Deal found 11/13$864
This Finnair deal was found by Cheapflights users on 11/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:10 amBIL - LHR
1 stop18h 40mMultiple Airlines
Fri 12/1910:05 amLHR - BIL
1 stop18h 09mMultiple Airlines
Deal found 11/12$1,145
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Fri 12/127:00 amBIL - LCY
3 stops21h 40mMultiple Airlines
Fri 12/199:55 amLCY - BIL
3 stops30h 54mMultiple Airlines
Deal found 11/12$1,167
This Virgin Atlantic deal was found by Cheapflights users on 11/11. 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.
Fri 12/126:25 amBIL - LHR
1 stop17h 40mVirgin Atlantic
Fri 12/1911:05 amLHR - BIL
1 stop19h 43mVirgin Atlantic
Deal found 11/11$1,277
This Delta deal was found by Cheapflights users on 11/11. 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 12/126:25 amBIL - LCY
2 stops18h 45mDelta
Fri 12/197:45 amLCY - BIL
2 stops23h 03mDelta
Deal found 11/11$1,582
This Finnair deal was found by Cheapflights users on 11/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amBIL - LHR
1 stop17h 50mMultiple Airlines
Sun 1/44:30 pmLHR - BIL
1 stop27h 54mMultiple Airlines
Deal found 11/13$1,589
This Expedia deal was found by Cheapflights users on 11/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:25 amBIL - LCY
2 stops18h 45mMultiple Airlines
Sun 1/46:55 pmLCY - BIL
2 stops31h 30mMultiple Airlines
Deal found 11/13$1,754

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$814
(United Airlines)
Provider with most accurate pricing for Billings Logan Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-London (LON) flights.
Search Deals
From Billings Logan Intl to London (LON)
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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 November 13, 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

Fri 12/12

7:00 am-10:15 am

2 stops20h 15m

London Heathrow

Fri 12/19

4:20 pm-9:24 pm

2 stops36h 04m

$814

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 4/16

10:45 am-3:40 pm

2 stops21h 55m

London Heathrow

Tue 4/21

6:55 am-8:54 pm

2 stops20h 59m

$1,087

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 4/23

10:45 am-3:40 pm

2 stops21h 55m

London Heathrow

Tue 4/28

6:55 am-8:54 pm

2 stops20h 59m

$1,087

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 3/27

5:40 am-10:00 am

1 stop22h 20m

London Heathrow

Tue 3/31

9:55 am-10:50 pm

2 stops19h 55m

$1,105

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 3/27

6:15 am-7:50 am

2 stops19h 35m

London Heathrow

Tue 3/31

9:55 am-10:50 pm

2 stops19h 55m

$1,109

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Thu 4/16

2:40 pm-6:35 pm

2 stops20h 55m

London City

Tue 4/21

9:15 am-8:54 pm

2 stops18h 39m

$1,130

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Thu 4/23

2:40 pm-6:35 pm

2 stops20h 55m

London City

Tue 4/28

9:15 am-8:54 pm

2 stops18h 39m

$1,130

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Fri 12/12

7:00 am-11:40 am

3 stops21h 40m

London City

Fri 12/19

9:55 am-9:49 am

3 stops30h 54m

$1,167

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Thu 4/23

7:00 am-12:30 pm

3 stops22h 30m

London City

Tue 4/28

9:15 am-9:57 am

3 stops31h 42m

$1,169

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Thu 4/16

10:45 am-12:30 pm

3 stops18h 45m

London City

Tue 4/21

9:15 am-9:57 am

3 stops31h 42m

$1,169

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 12 results
1
2

Compare providers for flights from Billings to London

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 London in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billings-London flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Billings-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-London 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 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 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 November 13, 2025.
Peruse reviews from past customers who have flown with United Airlines 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.
United Airlines
7.4
Good
9,017 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,017 reviews
United Airlines
7.4
Good
9,017 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Billings to London?

    For as low as $814, United Airlines can have you in London from Billings in 20h 15m. There are 4473 mi between Billings and London. 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 round-trip?

    According to our current data, United Airlines ($748), 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ilford
Hayes
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Orpington
Gatwick
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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$748Average$933FlexibilityNo cancel feeOn-time69%

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