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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 - Thu, Oct 22
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
Air Canada Logo
7:00 am - 11:50 am
BIL
-
LHR
21h 50m
2 stops
Air Canada Logo
5:40 pm - 9:10 pm
LHR
-
BIL
34h 30m
2 stops
$895Air Canada
Tue, Oct 6 - Thu, Oct 22

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United Airlines flights from Billings to London Heathrow Airport

Our best United Airlines deals on Billings to London Heathrow Airport 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

Air Canada flights from Billings to London Heathrow Airport

Our best Air Canada deals on Billings to London Heathrow Airport flight tickets
Air Canada
Oct 6
BIL7:00 amBillings Logan Intl
21h 50m
2 stops
LHR11:50 amLondon Heathrow
Oct 15
LHR2:05 pmLondon Heathrow
34h 11m
2 stops
BIL5:16 pmBillings Logan Intl
$889
Air Canada
Oct 6
BIL7:00 amBillings Logan Intl
21h 50m
2 stops
LHR11:50 amLondon Heathrow
Oct 22
LHR5:40 pmLondon Heathrow
34h 30m
2 stops
BIL9:10 pmBillings Logan Intl
$895
Air Canada
Sep 1
BIL7:00 amBillings Logan Intl
20h 00m
2 stops
LHR10:00 amLondon Heathrow
Sep 16
LHR2:05 pmLondon Heathrow
37h 55m
2 stops
BIL9:00 pmBillings Logan Intl
$945

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 July 3, 2026.
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

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

Thu 10/22

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

7:00 am-11:50 am

2 stops21h 50m

London Heathrow

Thu 10/22

5:40 pm-9:10 pm

2 stops34h 30m

$895

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 airline that flies from Billings Logan Intl to London Heathrow?

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

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

14h 16m

Direct flights

None
The fastest flight from Billings to London Heathrow Airport takes 14h 16m
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

Frequently asked questions about flying from Billings to London Heathrow Airport

  • 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 14h 16m.

  • 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
9,926 reviews
Search United Airlines flights

Traveling to a place near London?

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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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