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Cheap flights from Billings to London from $334

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 11/25. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Billings to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 10:55 am
BIL
-
LHR
21h 55m
1 stop
American Airlines Logo
8:15 am - 9:12 pm
LHR
-
BIL
19h 57m
2 stops
$866American Airlines
Tue, Oct 6 - Wed, Oct 14
American Airlines Logo
1:23 pm - 11:10 am
BIL
-
LHR
14h 47m
2 stops
American Airlines Logo
8:15 am - 9:12 pm
LHR
-
BIL
19h 57m
2 stops
$871American Airlines
Tue, Oct 6 - Wed, Oct 14
United Airlines Logo
5:00 am - 9:40 am
BIL
-
LHR
21h 40m
1 stop
United Airlines Logo
7:25 am - 10:51 pm
LHR
-
BIL
22h 26m
2 stops
$873United Airlines
Tue, Oct 6 - Wed, Oct 14
Multiple Airlines Logo
7:00 am - 8:35 am
BIL
-
LHR
18h 35m
2 stops
Multiple Airlines Logo
7:40 am - 9:04 pm
LHR
-
BIL
20h 24m
2 stops
$882Multiple Airlines
Sun, Oct 18 - Tue, Nov 3
Alaska Airlines Logo
7:32 pm - 3:05 pm
BIL
-
LHR
12h 33m
1 stop
Alaska Airlines Logo
5:00 pm - 11:50 pm
LHR
-
BIL
13h 50m
1 stop
$884Alaska Airlines
Tue, Oct 6 - Wed, Oct 14
American Airlines Logo
1:23 pm - 11:35 am
BIL
-
LHR
15h 12m
2 stops
American Airlines Logo
8:15 am - 9:12 pm
LHR
-
BIL
19h 57m
2 stops
$885American Airlines
Tue, Oct 6 - Wed, Oct 14
Multiple Airlines Logo
5:57 pm - 6:35 am
BIL
-
LHR
53h 38m
2 stops
Multiple Airlines Logo
7:40 am - 9:04 pm
LHR
-
BIL
19h 24m
2 stops
$887Multiple Airlines
Fri, Oct 16 - Thu, Oct 29
United Airlines Logo
7:00 am - 7:15 am
BIL
-
LHR
17h 15m
2 stops
United Airlines Logo
7:30 am - 5:16 pm
LHR
-
BIL
16h 46m
2 stops
$888United Airlines
Tue, Oct 6 - Wed, Oct 14
Air Canada Logo
7:00 am - 11:50 am
BIL
-
LHR
21h 50m
2 stops
Air Canada Logo
2:05 pm - 5:16 pm
LHR
-
BIL
34h 11m
2 stops
$889Air Canada
Tue, Oct 6 - Thu, Oct 15
KLM Logo
12:58 pm - 11:00 am
BIL
-
LHR
15h 02m
1 stop
KLM Logo
6:30 am - 5:39 pm
LHR
-
BIL
18h 09m
2 stops
$901KLM
Tue, Oct 6 - Thu, Oct 15

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United Airlines flights from Billings to London

Our best United Airlines deals on Billings to London flight tickets
United Airlines
Oct 6
BIL5:00 amBillings Logan Intl
21h 40m
1 stop
LHR9:40 amLondon Heathrow
Oct 14
LHR7:25 amLondon Heathrow
22h 26m
2 stops
BIL10:51 pmBillings Logan Intl
$873
United Airlines
Oct 6
BIL7:00 amBillings Logan Intl
17h 15m
2 stops
LHR7:15 amLondon Heathrow
Oct 14
LHR7:30 amLondon Heathrow
16h 46m
2 stops
BIL5:16 pmBillings Logan Intl
$888
United Airlines
Oct 16
BIL7:00 amBillings Logan Intl
22h 25m
1 stop
LHR12:25 pmLondon Heathrow
Oct 29
LHR6:35 amLondon Heathrow
20h 29m
2 stops
BIL9:04 pmBillings Logan Intl
$923

Alaska Airlines flights from Billings to London

Our best Alaska Airlines deals on Billings to London flight tickets
Alaska Airlines
Oct 6
BIL7:32 pmBillings Logan Intl
12h 33m
1 stop
LHR3:05 pmLondon Heathrow
Oct 14
LHR5:00 pmLondon Heathrow
13h 50m
1 stop
BIL11:50 pmBillings Logan Intl
$884
Alaska Airlines
Oct 16
BIL7:32 pmBillings Logan Intl
12h 33m
1 stop
LHR3:05 pmLondon Heathrow
Oct 29
LHR2:45 pmLondon Heathrow
15h 05m
1 stop
BIL11:50 pmBillings Logan Intl
$934
Alaska Airlines
Oct 16
BIL6:01 amBillings Logan Intl
26h 04m
1 stop
LHR3:05 pmLondon Heathrow
Oct 29
LHR2:45 pmLondon Heathrow
15h 05m
1 stop
BIL11:50 pmBillings Logan Intl
$940

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 July 1, 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

Cheapest round-trip

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/6

6:00 am-10:55 am

1 stop21h 55m

London Heathrow

Wed 10/14

8:15 am-9:12 pm

2 stops19h 57m

$866

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/6

1:23 pm-11:10 am

2 stops14h 47m

London Heathrow

Wed 10/14

8:15 am-9:12 pm

2 stops19h 57m

$871

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/6

5:00 am-9:40 am

1 stop21h 40m

London Heathrow

Wed 10/14

7:25 am-10:51 pm

2 stops22h 26m

$873

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 10/18

7:00 am-8:35 am

2 stops18h 35m

London Heathrow

Tue 11/3

7:40 am-9:04 pm

2 stops20h 24m

$882
Quickest round-trip

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/6

7:32 pm-3:05 pm

1 stop12h 33m

London Heathrow

Wed 10/14

5:00 pm-11:50 pm

1 stop13h 50m

$884

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/6

1:23 pm-11:35 am

2 stops15h 12m

London Heathrow

Wed 10/14

8:15 am-9:12 pm

2 stops19h 57m

$885

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Fri 10/16

5:57 pm-6:35 am

2 stops53h 38m

London Heathrow

Thu 10/29

7:40 am-9:04 pm

2 stops19h 24m

$887

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/6

7:00 am-7:15 am

2 stops17h 15m

London Heathrow

Wed 10/14

7:30 am-5:16 pm

2 stops16h 46m

$888

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/6

7:00 am-11:50 am

2 stops21h 50m

London Heathrow

Thu 10/15

2:05 pm-5:16 pm

2 stops34h 11m

$889

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/6

12:58 pm-11:00 am

1 stop15h 02m

London Heathrow

Thu 10/15

6:30 am-5:39 pm

2 stops18h 09m

$901

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

What is the cheapest airline that flies from Billings Logan Intl to London?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Billings Logan Intl to London

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

12h 11m

Direct flights

None
The fastest flight from Billings to London takes 12h 11m
There are no direct flights from Billings to London. There are no popular flight routes from Billings to London.
Search flight deals

Frequently asked questions about flying from Billings to London

  • 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 12h 11m.

  • 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
9,909 reviews
Search United Airlines flights

Traveling to a place near London?

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

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