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$398+ Cheap flights from Billings (BIL) to London (LON)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — LON
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:45 am
BIL
-
LHR
1 stop15h 15m
KLM
Tue 3/38:40 am
LHR
-
BIL
2 stops17h 59m
KLM
Deal found 1/27$626
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:45 am
BIL
-
LHR
1 stop15h 15m
Multiple Airlines
Tue 3/310:45 am
LHR
-
BIL
1 stop13h 39m
Multiple Airlines
Deal found 1/27$654
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/162:35 pm
BIL
-
LHR
1 stop12h 05m
United Airlines
Mon 4/203:30 pm
LHR
-
BIL
2 stops36h 27m
United Airlines
Deal found 1/27$731
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:30 pm
BIL
-
LHR
2 stops57h 05m
Air Canada
Fri 5/229:30 am
LHR
-
BIL
2 stops42h 39m
Air Canada
Deal found 1/28$757
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:25 am
BIL
-
LHR
1 stop23h 40m
Multiple Airlines
Mon 4/2012:25 pm
LHR
-
BIL
1 stop14h 46m
Multiple Airlines
Deal found 1/27$770
This United Airlines deal was found by Cheapflights users on 1/28. 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 5/85:51 pm
BIL
-
LHR
1 stop32h 49m
United Airlines
Fri 5/227:30 am
LHR
-
BIL
2 stops20h 39m
United Airlines
Deal found 1/28$801
This Delta deal was found by Cheapflights users on 1/27. 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 9/111:35 am
BIL
-
LHR
2 stops21h 00m
Delta
Wed 9/166:30 am
LHR
-
BIL
2 stops23h 07m
Delta
Deal found 1/27$822
This Delta deal was found by Cheapflights users on 1/27. 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 9/16:25 pm
BIL
-
LHR
2 stops18h 45m
Delta
Tue 9/156:15 am
LHR
-
BIL
2 stops23h 12m
Delta
Deal found 1/27$829
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 9/15:51 pm
BIL
-
LHR
1 stop11h 29m
United Airlines
Tue 9/1511:25 am
LHR
-
BIL
1 stop12h 54m
United Airlines
Deal found 1/27$847
This Delta deal was found by Cheapflights users on 1/27. 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 3/136:25 am
BIL
-
LCY
2 stops21h 05m
Delta
Fri 3/208:40 am
LCY
-
BIL
2 stops17h 39m
Delta
Deal found 1/27$1,744
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:45 am
BIL
-
LCY
2 stops24h 10m
Multiple Airlines
Mon 7/209:15 am
LCY
-
BIL
2 stops18h 36m
Multiple Airlines
Deal found 1/27$5,537

Find 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 January 29, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$626
(KLM)

One-way from

$398
(Booking.com)
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.
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From Billings Logan Intl to London (LON)
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One-way flight 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 January 29, 2026.
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

Tue 2/24

6:20 am-6:50 am

2 stops17h 30m

London Heathrow

Tue 3/3

6:30 am-7:39 pm

2 stops20h 09m

$626

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 2/24

11:45 am-10:00 am

1 stop15h 15m

London Heathrow

Tue 3/3

8:40 am-7:39 pm

2 stops17h 59m

$626

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 4/16

2:35 pm-9:40 am

1 stop12h 05m

London Heathrow

Mon 4/20

3:30 pm-8:57 pm

2 stops36h 27m

$731

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 4/16

6:25 am-1:05 pm

1 stop23h 40m

London Heathrow

Mon 4/20

12:25 pm-8:11 pm

1 stop14h 46m

$770

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 5/8

5:51 pm-9:40 am

1 stop32h 49m

London Heathrow

Fri 5/22

7:30 am-9:09 pm

2 stops20h 39m

$801

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 3/13

6:30 am-10:25 am

2 stops21h 55m

London Heathrow

Fri 3/20

10:00 am-9:51 am

2 stops29h 51m

$917

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 5/15

2:30 pm-10:00 am

2 stops36h 30m

London Heathrow

Fri 5/29

6:00 am-9:09 pm

2 stops22h 09m

$958

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 5/15

11:35 am-10:00 am

1 stop15h 25m

London Heathrow

Fri 5/29

6:30 am-10:37 pm

2 stops23h 07m

$963

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 5/15

2:30 pm-12:20 pm

1 stop14h 50m

London Heathrow

Fri 5/29

2:10 pm-10:13 pm

1 stop15h 03m

$992

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Fri 3/13

6:25 am-9:30 am

2 stops21h 05m

London City

Fri 3/20

8:40 am-8:19 pm

2 stops17h 39m

$1,744

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 17 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Billings-London flight deals on Cheapflights vs. Ovago 90-95% 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 Ovago the most. Ovago 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 January 29, 2026.
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
9,215 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $731, KLM can have you in London from Billings in 12h 05m. 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 ($666), 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
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Orpington
Watford
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Horley
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Sutton

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$666Average$803FlexibilityNo cancel feeOn-time69%

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