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Cheap flights from Billings to London from $577

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to London departing on 2/3. 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.
Air Canada Logo
6:30 am - 6:30 am
BIL
-
LHR
17h 00m2 stops
Air Canada Logo
1:25 pm - 9:50 am
LHR
-
BIL
27h 25m2 stops
$577Air Canada
Tue, Feb 3 - Tue, Feb 10
Virgin Atlantic Logo
6:10 am - 7:05 am
BIL
-
LHR
17h 55m1 stop
Virgin Atlantic Logo
10:45 am - 5:30 pm
LHR
-
BIL
13h 45m1 stop
$582Virgin Atlantic
Tue, Feb 3 - Tue, Feb 10
Virgin Atlantic Logo
6:10 am - 7:50 am
BIL
-
LHR
18h 40m2 stops
Virgin Atlantic Logo
10:45 am - 5:30 pm
LHR
-
BIL
13h 45m1 stop
$593Virgin Atlantic
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
5:53 pm - 9:40 am
BIL
-
LHR
32h 47m1 stop
United Airlines Logo
6:00 pm - 9:50 am
LHR
-
BIL
46h 50m2 stops
$640United Airlines
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
6:30 am - 7:10 am
BIL
-
LHR
17h 40m2 stops
Multiple Airlines Logo
1:25 pm - 1:24 pm
LHR
-
BIL
30h 59m3 stops
$655Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
2:35 pm - 9:40 am
BIL
-
LHR
12h 05m1 stop
United Airlines Logo
11:35 am - 5:12 pm
LHR
-
BIL
12h 37m1 stop
$657United Airlines
Wed, Feb 25 - Sun, Mar 1
Air Canada Logo
10:52 am - 11:20 am
BIL
-
LHR
17h 28m3 stops
Air Canada Logo
1:25 pm - 1:24 pm
LHR
-
BIL
30h 59m3 stops
$658Air Canada
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
7:00 am - 7:10 am
BIL
-
LHR
17h 10m2 stops
United Airlines Logo
3:30 pm - 9:21 pm
LHR
-
BIL
36h 51m2 stops
$663United Airlines
Wed, Feb 25 - Sun, Mar 1
Air Canada Logo
7:00 am - 7:10 am
BIL
-
LHR
17h 10m2 stops
Air Canada Logo
6:00 pm - 9:50 am
LHR
-
BIL
46h 50m2 stops
$672Air Canada
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
2:35 pm - 9:40 am
BIL
-
LHR
12h 05m1 stop
United Airlines Logo
11:35 am - 5:12 pm
LHR
-
BIL
12h 37m1 stop
$757United Airlines
Wed, Feb 25 - Sun, Mar 1

Air Canada flights from Billings to London Heathrow Airport

Our best Air Canada deals on Billings to London Heathrow Airport flight tickets
Air Canada
Feb 3
BIL6:30 amBillings Logan Intl
17h 00m
2 stops
LHR6:30 amLondon Heathrow
Feb 10
LHR1:25 pmLondon Heathrow
27h 25m
2 stops
BIL9:50 amBillings Logan Intl
$577
Find similar
Air Canada
Feb 3
BIL10:52 amBillings Logan Intl
17h 28m
3 stops
LHR11:20 amLondon Heathrow
Feb 10
LHR1:25 pmLondon Heathrow
30h 59m
3 stops
BIL1:24 pmBillings Logan Intl
$658
Find similar
Air Canada
Feb 25
BIL7:00 amBillings Logan Intl
17h 10m
2 stops
LHR7:10 amLondon Heathrow
Mar 1
LHR6:00 pmLondon Heathrow
46h 50m
2 stops
BIL9:50 amBillings Logan Intl
$672
Find similar

Virgin Atlantic flights from Billings to London Heathrow Airport

Our best Virgin Atlantic deals on Billings to London Heathrow Airport flight tickets
Virgin Atlantic
Feb 3
BIL6:10 amBillings Logan Intl
17h 55m
1 stop
LHR7:05 amLondon Heathrow
Feb 10
LHR10:45 amLondon Heathrow
13h 45m
1 stop
BIL5:30 pmBillings Logan Intl
$582
Find similar
Virgin Atlantic
Feb 3
BIL6:10 amBillings Logan Intl
18h 40m
2 stops
LHR7:50 amLondon Heathrow
Feb 10
LHR10:45 amLondon Heathrow
13h 45m
1 stop
BIL5:30 pmBillings Logan Intl
$593
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings to London Heathrow Airport 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 December 22, 2025.
Use the filters below to find and compare flights from Billings to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 2/3

6:30 am-6:30 am

2 stops17h 00m

London Heathrow

Tue 2/10

1:25 pm-9:50 am

2 stops27h 25m

$577

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 2/3

6:10 am-7:05 am

1 stop17h 55m

London Heathrow

Tue 2/10

10:45 am-5:30 pm

1 stop13h 45m

$582

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 2/3

6:10 am-7:50 am

2 stops18h 40m

London Heathrow

Tue 2/10

10:45 am-5:30 pm

1 stop13h 45m

$593

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 2/25

5:53 pm-9:40 am

1 stop32h 47m

London Heathrow

Sun 3/1

6:00 pm-9:50 am

2 stops46h 50m

$640

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 2/3

6:30 am-7:10 am

2 stops17h 40m

London Heathrow

Tue 2/10

1:25 pm-1:24 pm

3 stops30h 59m

$655

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 2/25

2:35 pm-9:40 am

1 stop12h 05m

London Heathrow

Sun 3/1

11:35 am-5:12 pm

1 stop12h 37m

$657

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 2/3

10:52 am-11:20 am

3 stops17h 28m

London Heathrow

Tue 2/10

1:25 pm-1:24 pm

3 stops30h 59m

$658

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 2/25

7:00 am-7:10 am

2 stops17h 10m

London Heathrow

Sun 3/1

3:30 pm-9:21 pm

2 stops36h 51m

$663

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 2/25

7:00 am-7:10 am

2 stops17h 10m

London Heathrow

Sun 3/1

6:00 pm-9:50 am

2 stops46h 50m

$672

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 2/25

2:35 pm-9:40 am

1 stop12h 05m

London Heathrow

Sun 3/1

11:35 am-5:12 pm

1 stop12h 37m

$757

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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2

See travel insights to London from

How to get the cheapest flight ticket from Billings to London Heathrow Airport

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

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $827. The most expensive day to fly to London Heathrow Airport is Thursday, with ticket prices averaging around $1,255.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Billings to London Heathrow Airport in the afternoon for as low as $981. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,477.

Can stopping save me money on Billings to London Heathrow Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a Billings to London Heathrow Airport flight.

When to book flights from Billings to London Heathrow Airport

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

Cheap Billings to London Heathrow Airport (BIL to LHR) flight deals and tips

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

Fastest flight time

17h 55m

Direct flights

None
The fastest flight from Billings to London Heathrow Airport takes 17h 55m
There are no direct flights from Billings to London Heathrow Airport. There are no popular flight routes from Billings to London Heathrow Airport.
Search flight deals

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

    The straight-line distance from Billings Logan Intl to London Heathrow is 4472.6 mi. A reasonable flight in good conditions will take 17h 55m.

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

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

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

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

    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 Heathrow Airport.

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

    The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

Best airlines flying from Billings to London Heathrow Airport

Compare and see reviews for airlines that fly from Billings to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $666Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Milton Keynes
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Slough
Guildford
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Dartford
Stratford-upon-Avon
Crawley
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Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
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?

Flights from Billings to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Billings.

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

Yes. momondo can track prices for Billings to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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