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Cheap flights from Billings to London from $870

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 11/3. 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.
American Airlines Logo
6:00 am - 6:50 am
BIL
-
LHR
17h 50m
1 stop
American Airlines Logo
8:25 am - 9:15 pm
LHR
-
BIL
19h 50m
2 stops
$870American Airlines
Tue, Nov 3 - Fri, Nov 13
KLM Logo
11:35 am - 10:00 am
BIL
-
LHR
15h 25m
1 stop
KLM Logo
6:30 am - 5:48 pm
LHR
-
BIL
18h 18m
2 stops
$877KLM
Wed, Sep 2 - Tue, Sep 15
Delta Logo
11:35 am - 10:00 am
BIL
-
LHR
15h 25m
1 stop
Delta Logo
6:30 am - 7:37 pm
LHR
-
BIL
20h 07m
2 stops
$879Delta
Wed, Sep 2 - Tue, Sep 15
United Airlines Logo
7:00 am - 9:40 am
BIL
-
LHR
19h 40m
1 stop
United Airlines Logo
6:55 am - 10:51 pm
LHR
-
BIL
22h 56m
2 stops
$880United Airlines
Tue, Sep 1 - Tue, Sep 15
Delta Logo
6:15 am - 10:40 am
BIL
-
LHR
21h 25m
2 stops
Delta Logo
8:40 am - 7:37 pm
LHR
-
BIL
17h 57m
2 stops
$882Delta
Tue, Sep 1 - Tue, Sep 15
United Airlines Logo
5:00 am - 6:30 am
BIL
-
LHR
18h 30m
2 stops
United Airlines Logo
7:25 am - 10:51 pm
LHR
-
BIL
22h 26m
2 stops
$883United Airlines
Tue, Sep 1 - Tue, Sep 15
Multiple Airlines Logo
11:35 am - 10:20 am
BIL
-
LHR
15h 45m
2 stops
Multiple Airlines Logo
8:40 am - 7:37 pm
LHR
-
BIL
17h 57m
2 stops
$884Multiple Airlines
Wed, Sep 2 - Wed, Sep 16
United Airlines Logo
5:57 pm - 9:40 am
BIL
-
LHR
32h 43m
1 stop
United Airlines Logo
7:25 am - 10:51 pm
LHR
-
BIL
22h 26m
2 stops
$885United Airlines
Mon, Aug 31 - Tue, Sep 15
Alaska Airlines Logo
7:20 pm - 3:05 pm
BIL
-
LHR
12h 45m
1 stop
Alaska Airlines Logo
5:00 pm - 11:29 pm
LHR
-
BIL
13h 29m
1 stop
$888Alaska Airlines
Tue, Sep 1 - Wed, Sep 16
Alaska Airlines Logo
7:20 pm - 3:05 pm
BIL
-
LHR
12h 45m
1 stop
Alaska Airlines Logo
5:00 pm - 11:29 pm
LHR
-
BIL
13h 29m
1 stop
$890Alaska Airlines
Tue, Sep 1 - Wed, Sep 16

KLM flights from Billings to London Heathrow Airport

Our best KLM deals on Billings to London Heathrow Airport flight tickets
KLM
Sep 2
BIL11:35 amBillings Logan Intl
15h 25m
1 stop
LHR10:00 amLondon Heathrow
Sep 15
LHR6:30 amLondon Heathrow
18h 18m
2 stops
BIL5:48 pmBillings Logan Intl
$877
KLM
Sep 2
BIL11:35 amBillings Logan Intl
15h 25m
1 stop
LHR10:00 amLondon Heathrow
Sep 16
LHR8:40 amLondon Heathrow
17h 57m
2 stops
BIL7:37 pmBillings Logan Intl
$879
KLM
Sep 2
BIL11:35 amBillings Logan Intl
15h 25m
1 stop
LHR10:00 amLondon Heathrow
Sep 16
LHR10:55 amLondon Heathrow
18h 32m
1 stop
BIL10:27 pmBillings Logan Intl
$906

Delta flights from Billings to London Heathrow Airport

Our best Delta deals on Billings to London Heathrow Airport flight tickets
Delta
Sep 1
BIL6:15 amBillings Logan Intl
21h 25m
2 stops
LHR10:40 amLondon Heathrow
Sep 15
LHR8:40 amLondon Heathrow
17h 57m
2 stops
BIL7:37 pmBillings Logan Intl
$882
Delta
Sep 3
BIL6:15 amBillings Logan Intl
17h 30m
2 stops
LHR6:45 amLondon Heathrow
Sep 16
LHR6:30 amLondon Heathrow
20h 07m
2 stops
BIL7:37 pmBillings Logan Intl
$932
Delta
Sep 4
BIL6:25 pmBillings Logan Intl
32h 35m
1 stop
LHR10:00 amLondon Heathrow
Sep 16
LHR6:30 amLondon Heathrow
20h 07m
2 stops
BIL7:37 pmBillings Logan Intl
$933

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 May 17, 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 11/3

6:00 am-6:50 am

1 stop17h 50m

London Heathrow

Fri 11/13

8:25 am-9:15 pm

2 stops19h 50m

$870

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 9/2

11:35 am-10:00 am

1 stop15h 25m

London Heathrow

Tue 9/15

6:30 am-5:48 pm

2 stops18h 18m

$877

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 9/2

11:35 am-10:00 am

1 stop15h 25m

London Heathrow

Tue 9/15

6:30 am-7:37 pm

2 stops20h 07m

$879

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 9/1

7:00 am-9:40 am

1 stop19h 40m

London Heathrow

Tue 9/15

6:55 am-10:51 pm

2 stops22h 56m

$880

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 9/1

6:15 am-10:40 am

2 stops21h 25m

London Heathrow

Tue 9/15

8:40 am-7:37 pm

2 stops17h 57m

$882

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 9/1

5:00 am-6:30 am

2 stops18h 30m

London Heathrow

Tue 9/15

7:25 am-10:51 pm

2 stops22h 26m

$883

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 9/2

11:35 am-10:20 am

2 stops15h 45m

London Heathrow

Wed 9/16

8:40 am-7:37 pm

2 stops17h 57m

$884

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 8/31

5:57 pm-9:40 am

1 stop32h 43m

London Heathrow

Tue 9/15

7:25 am-10:51 pm

2 stops22h 26m

$885
Quickest round-trip

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 9/1

7:20 pm-3:05 pm

1 stop12h 45m

London Heathrow

Wed 9/16

5:00 pm-11:29 pm

1 stop13h 29m

$888

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 9/1

7:20 pm-3:05 pm

1 stop12h 45m

London Heathrow

Wed 9/16

5:00 pm-11:29 pm

1 stop13h 29m

$890

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

12h 15m

Direct flights

None
The fastest flight from Billings to London Heathrow Airport takes 12h 15m
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 12h 15m.

  • 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
9,730 reviews
Search United Airlines flights

Traveling to a place near London?

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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?

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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