Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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.
United Airlines Logo
5:51 pm - 6:35 pmBIL  Billings Logan Intl-LHR London Heathrow
17h 44m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
3:00 pm - 8:51 pmLHR  London Heathrow-BIL Billings Logan Intl
36h 51m2 stops Toronto Pearson Intl Denver Intl
$757United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
5:51 pm - 10:55 pmBIL  Billings Logan Intl-LHR London Heathrow
22h 04m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
11:10 am - 8:51 pmLHR  London Heathrow-BIL Billings Logan Intl
40h 41m2 stops Toronto Pearson Intl Denver Intl
$757United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
7:00 am - 9:10 amBIL  Billings Logan Intl-LHR London Heathrow
19h 10m2 stops Denver Intl Newark
United Airlines Logo
6:35 am - 9:51 amLHR  London Heathrow-BIL Billings Logan Intl
34h 16m2 stops Munich Franz Josef Strauss Denver Intl
$759United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
7:00 am - 12:00 pmBIL  Billings Logan Intl-LHR London Heathrow
22h 00m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
6:35 am - 9:51 amLHR  London Heathrow-BIL Billings Logan Intl
34h 16m2 stops Munich Franz Josef Strauss Denver Intl
$759United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
7:00 am - 7:55 amBIL  Billings Logan Intl-LHR London Heathrow
17h 55m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
7:30 am - 8:51 pmLHR  London Heathrow-BIL Billings Logan Intl
20h 21m2 stops Frankfurt am Main Denver Intl
$764United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
2:40 pm - 9:40 amBIL  Billings Logan Intl-LHR London Heathrow
12h 00m1 stop Denver Intl
United Airlines Logo
6:35 am - 9:51 amLHR  London Heathrow-BIL Billings Logan Intl
34h 16m2 stops Munich Franz Josef Strauss Denver Intl
$823United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
2:40 pm - 9:40 amBIL  Billings Logan Intl-LHR London Heathrow
12h 00m1 stop Denver Intl
United Airlines Logo
7:30 am - 5:19 pmLHR  London Heathrow-BIL Billings Logan Intl
16h 49m2 stops Frankfurt am Main Denver Intl
$828United Airlines
Sun, Dec 6 - Tue, Dec 8
Alaska Airlines Logo
2:03 pm - 12:20 pmBIL  Billings Logan Intl-LHR London Heathrow
15h 17m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:45 pm - 12:08 amLHR  London Heathrow-BIL Billings Logan Intl
16h 23m1 stop Seattle/Tacoma Intl
$888Alaska Airlines
Sun, Dec 6 - Tue, Dec 8
Alaska Airlines Logo
2:03 pm - 12:20 pmBIL  Billings Logan Intl-LHR London Heathrow
15h 17m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:45 pm - 12:08 amLHR  London Heathrow-BIL Billings Logan Intl
16h 23m1 stop Seattle/Tacoma Intl
$889Alaska Airlines
Sun, Dec 6 - Tue, Dec 8
Alaska Airlines Logo
2:03 pm - 12:20 pmBIL  Billings Logan Intl-LHR London Heathrow
15h 17m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:45 pm - 3:08 pmLHR  London Heathrow-BIL Billings Logan Intl
31h 23m1 stop Seattle/Tacoma Intl
$896Alaska Airlines
Sun, Dec 6 - Tue, Dec 8

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Billings to London Heathrow Airport

Our best Delta deals on Billings to London Heathrow Airport flight tickets
Delta
Sep 29
BIL6:23 amBillings Logan Intl
17h 47m
2 stops
LHR7:10 amLondon Heathrow
Oct 6
LHR8:40 amLondon Heathrow
18h 35m
2 stops
BIL8:15 pmBillings Logan Intl
$911
Delta
Sep 27
BIL6:23 amBillings Logan Intl
17h 02m
2 stops
LHR6:25 amLondon Heathrow
Oct 4
LHR8:40 amLondon Heathrow
21h 35m
2 stops
BIL11:15 pmBillings Logan Intl
$961
Delta
Sep 27
BIL6:23 amBillings Logan Intl
23h 42m
1 stop
LHR1:05 pmLondon Heathrow
Oct 4
LHR8:40 amLondon Heathrow
21h 35m
2 stops
BIL11:15 pmBillings Logan Intl
$962

American Airlines flights from Billings to London Heathrow Airport

Our best American Airlines deals on Billings to London Heathrow Airport flight tickets
American Airlines
Sep 29
BIL12:28 pmBillings Logan Intl
16h 47m
1 stop
LHR12:15 pmLondon Heathrow
Oct 6
LHR8:55 amLondon Heathrow
19h 17m
1 stop
BIL9:12 pmBillings Logan Intl
$935
American Airlines
Sep 27
BIL1:13 pmBillings Logan Intl
18h 12m
1 stop
LHR2:25 pmLondon Heathrow
Oct 4
LHR8:55 amLondon Heathrow
20h 53m
1 stop
BIL10:48 pmBillings Logan Intl
$986
American Airlines
Sep 10
BIL1:13 pmBillings Logan Intl
12h 52m
1 stop
LHR9:05 amLondon Heathrow
Sep 17
LHR11:10 amLondon Heathrow
18h 38m
2 stops
BIL10:48 pmBillings Logan Intl
$1,021

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 August 16, 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 Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

5:51 pm-6:35 pm

2 stops17h 44m

London Heathrow

Tue 12/8

3:00 pm-8:51 pm

2 stops36h 51m

$757

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

5:51 pm-10:55 pm

2 stops22h 04m

London Heathrow

Tue 12/8

11:10 am-8:51 pm

2 stops40h 41m

$757

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

7:00 am-9:10 am

2 stops19h 10m

London Heathrow

Tue 12/8

6:35 am-9:51 am

2 stops34h 16m

$759

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

7:00 am-12:00 pm

2 stops22h 00m

London Heathrow

Tue 12/8

6:35 am-9:51 am

2 stops34h 16m

$759

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

7:00 am-7:55 am

2 stops17h 55m

London Heathrow

Tue 12/8

7:30 am-8:51 pm

2 stops20h 21m

$764

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

2:40 pm-9:40 am

1 stop12h 00m

London Heathrow

Tue 12/8

6:35 am-9:51 am

2 stops34h 16m

$823
Quickest round-trip

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

2:40 pm-9:40 am

1 stop12h 00m

London Heathrow

Tue 12/8

7:30 am-5:19 pm

2 stops16h 49m

$828

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

2:03 pm-12:20 pm

1 stop15h 17m

London Heathrow

Tue 12/8

2:45 pm-12:08 am

1 stop16h 23m

$888

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

2:03 pm-12:20 pm

1 stop15h 17m

London Heathrow

Tue 12/8

2:45 pm-12:08 am

1 stop16h 23m

$889

BillingsLondon

BIL Billings Logan Intl - LHR London Heathrow

BILLHR

Billings Logan Intl

Sun 12/6

2:03 pm-12:20 pm

1 stop15h 17m

London Heathrow

Tue 12/8

2:45 pm-3:08 pm

1 stop31h 23m

$896

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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?

Delta, United Airlines, and Air Canada 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

17h 02m

Direct flights

None
The fastest flight from Billings to London Heathrow Airport takes 17h 02m
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 17h 02m.

  • 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
10,105 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
Stratford-upon-Avon
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Eastbourne
Worthing
Romford

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.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/15
Tue 9/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Gatwick Airportfrom $387
Flights to London Stansted Airportfrom $488
Flights to London City Airportfrom $671
Flights to London Luton Airportfrom $503
Flights to Glasgow Intl Airportfrom $582
Flights to Belfast Intl Airportfrom $594
Flights to London Southend Airportfrom $637
Flights to Belfast City Airportfrom $638