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Cheap flights from Billings to London from $412

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to London departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Billings to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:35 pm - 9:40 am
BIL
-
LHR
12h 05m
1 stop
United Airlines Logo
6:35 am - 9:07 pm
LHR
-
BIL
20h 32m
2 stops
$633United Airlines
Thu, Mar 5 - Thu, Mar 12
United Airlines Logo
2:35 pm - 9:20 pm
BIL
-
LHR
23h 45m
2 stops
United Airlines Logo
6:35 am - 9:53 am
LHR
-
BIL
33h 18m
2 stops
$638United Airlines
Thu, Mar 5 - Thu, Mar 12
United Airlines Logo
5:55 pm - 9:40 am
BIL
-
LHR
33h 45m
1 stop
United Airlines Logo
6:00 pm - 9:07 pm
LHR
-
BIL
33h 07m
2 stops
$649United Airlines
Sun, Mar 15 - Wed, Mar 25
United Airlines Logo
6:30 am - 10:25 am
BIL
-
LHR
21h 55m
2 stops
United Airlines Logo
6:00 pm - 9:07 pm
LHR
-
BIL
33h 07m
2 stops
$653United Airlines
Wed, Mar 11 - Wed, Mar 25
United Airlines Logo
6:30 am - 11:20 am
BIL
-
LHR
22h 50m
2 stops
United Airlines Logo
6:00 pm - 9:07 pm
LHR
-
BIL
33h 07m
2 stops
$657United Airlines
Sun, Mar 15 - Wed, Mar 25
Multiple Airlines Logo
6:20 am - 7:05 am
BIL
-
LHR
17h 45m
1 stop
Multiple Airlines Logo
11:05 am - 8:19 pm
LHR
-
BIL
15h 14m
1 stop
$662Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Delta Logo
6:21 pm - 10:00 am
BIL
-
LHR
33h 39m
1 stop
Delta Logo
10:45 am - 10:29 pm
LHR
-
BIL
17h 44m
1 stop
$664Delta
Sun, Mar 15 - Tue, Mar 24
Delta Logo
11:34 am - 10:30 am
BIL
-
LHR
16h 56m
2 stops
Delta Logo
5:20 pm - 10:53 am
LHR
-
BIL
23h 33m
2 stops
$668Delta
Wed, Mar 11 - Mon, Mar 23
Lufthansa Logo
2:30 pm - 5:55 pm
BIL
-
LCY
20h 25m
2 stops
Lufthansa Logo
9:15 am - 9:09 pm
LCY
-
BIL
18h 54m
2 stops
$1,752Lufthansa
Wed, Jul 1 - Mon, Jul 6
Lufthansa Logo
2:35 pm - 5:55 pm
BIL
-
LCY
20h 20m
2 stops
Lufthansa Logo
9:15 am - 8:57 pm
LCY
-
BIL
18h 42m
2 stops
$4,996Lufthansa
Tue, Apr 28 - Wed, May 13

Air Canada flights from Billings to London

Our best Air Canada deals on Billings to London flight tickets
Air Canada
Mar 5
BIL10:50 amBillings Logan Intl
17h 30m
3 stops
LHR11:20 amLondon Heathrow
Mar 12
LHR1:00 pmLondon Heathrow
26h 53m
3 stops
BIL9:53 amBillings Logan Intl
$783
Air Canada
Mar 15
BIL5:55 pmBillings Logan Intl
31h 15m
2 stops
LHR7:10 amLondon Heathrow
Mar 29
LHR2:10 pmLondon Heathrow
50h 30m
2 stops
BIL9:40 amBillings Logan Intl
$831
Air Canada
Mar 15
BIL6:30 amBillings Logan Intl
44h 00m
2 stops
LHR8:30 amLondon Heathrow
Mar 24
LHR6:00 pmLondon Heathrow
33h 07m
2 stops
BIL9:07 pmBillings Logan Intl
$847

United Airlines flights from Billings to London

Our best United Airlines deals on Billings to London flight tickets
United Airlines
Mar 5
BIL2:35 pmBillings Logan Intl
12h 05m
1 stop
LHR9:40 amLondon Heathrow
Mar 12
LHR6:35 amLondon Heathrow
20h 32m
2 stops
BIL9:07 pmBillings Logan Intl
$633
United Airlines
Mar 5
BIL2:35 pmBillings Logan Intl
23h 45m
2 stops
LHR9:20 pmLondon Heathrow
Mar 12
LHR6:35 amLondon Heathrow
33h 18m
2 stops
BIL9:53 amBillings Logan Intl
$638
United Airlines
Mar 15
BIL5:55 pmBillings Logan Intl
33h 45m
1 stop
LHR9:40 amLondon Heathrow
Mar 25
LHR6:00 pmLondon Heathrow
33h 07m
2 stops
BIL9:07 pmBillings Logan Intl
$649

momondo 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, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Billings to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 3/5

2:35 pm-9:40 am

1 stop12h 05m

London Heathrow

Thu 3/12

6:35 am-9:07 pm

2 stops20h 32m

$633

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 3/5

2:35 pm-9:20 pm

2 stops23h 45m

London Heathrow

Thu 3/12

6:35 am-9:53 am

2 stops33h 18m

$638

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 3/15

5:55 pm-9:40 am

1 stop33h 45m

London Heathrow

Wed 3/25

6:00 pm-9:07 pm

2 stops33h 07m

$649

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 3/11

6:30 am-10:25 am

2 stops21h 55m

London Heathrow

Wed 3/25

6:00 pm-9:07 pm

2 stops33h 07m

$653

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 3/15

6:30 am-11:20 am

2 stops22h 50m

London Heathrow

Wed 3/25

6:00 pm-9:07 pm

2 stops33h 07m

$657

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Thu 3/5

6:20 am-7:05 am

1 stop17h 45m

London Heathrow

Thu 3/12

11:05 am-8:19 pm

1 stop15h 14m

$662

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 3/15

6:21 pm-10:00 am

1 stop33h 39m

London Heathrow

Tue 3/24

10:45 am-10:29 pm

1 stop17h 44m

$664

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 3/11

11:34 am-10:30 am

2 stops16h 56m

London Heathrow

Mon 3/23

5:20 pm-10:53 am

2 stops23h 33m

$668

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Wed 7/1

2:30 pm-5:55 pm

2 stops20h 25m

London City

Mon 7/6

9:15 am-9:09 pm

2 stops18h 54m

$1,752

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Tue 4/28

2:35 pm-5:55 pm

2 stops20h 20m

London City

Wed 5/13

9:15 am-8:57 pm

2 stops18h 42m

$4,996

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Billings to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Billings to London flights?

You could potentially save up to 7% on your flight if you consider stops on a Billings to London flight.

When to book flights from Billings to London

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billings to London (BIL to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to London

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from Billings to London takes 15h 10m
There are no direct flights from Billings to London. There are no popular flight routes from Billings to London.
Search flight deals

  • How far is Billings Logan Intl to London by plane?

    A flight from Billings Logan Intl to London will travel around 4481.7 mi. A reasonable flight in good conditions will take 15h 10m.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to London?

    Prices for flights from Billings Logan Intl Airport to London are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to London?

  • How old do you have to be to fly from Billings Logan Intl Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Billings Logan Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Billings to London?

Best airlines flying from Billings to London

Compare and see reviews for airlines that fly from Billings to London with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $666Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

Why use momondo?

Why should I use momondo to find a flight deal from Billings to London?

It is quick and easy to find Billings to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Billings to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Billings with this policy.

How can momondo help me find flights from Billings to London?

Once all potential Billings to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Billings to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Billings to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport