BIL - LHR

$488 Find Cheap Flights from Billings to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Billings to Heathrow departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Billings to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Billings to London, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$1,176
Delta
Tue 6/2Tue 6/9
BIL - LHR • 1 stop
Cheapest one-way
$488
Alaska Airlines
Mon 7/27
BIL - LHR • 1 stop
Top airlines
Delta
Cheapest • from $1,176 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Billings and Heathrow. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $1,033 (round-trip)
Denver (DEN)
Shortest trip • 12h 20m (one-way)
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Billings to Heathrow (BIL-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Billings to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billings to Heathrow

Tue, Jun 2 - Tue, Jun 9
Delta Logo
5:30 am - 11:00 am
BIL
-
LHR
22h 30m
1 stop
Delta Logo
8:40 am - 11:32 pm
LHR
-
BIL
21h 52m
2 stops
$1,176Delta
Tue, Jun 2 - Wed, Jun 10
Delta Logo
6:30 am - 6:20 am
BIL
-
LHR
16h 50m
2 stops
Delta Logo
8:40 am - 11:32 pm
LHR
-
BIL
21h 52m
2 stops
$1,180Delta
Tue, Jun 2 - Wed, Jun 10
Delta Logo
11:34 am - 11:00 am
BIL
-
LHR
16h 26m
1 stop
Delta Logo
10:55 am - 10:49 pm
LHR
-
BIL
18h 54m
1 stop
$1,205Delta
Wed, Jun 3 - Mon, Jun 8
Virgin Atlantic Logo
11:34 am - 10:00 am
BIL
-
LHR
15h 26m
1 stop
Virgin Atlantic Logo
6:30 am - 11:32 pm
LHR
-
BIL
24h 02m
2 stops
$1,236Virgin Atlantic
Wed, Jun 3 - Mon, Jun 8
Delta Logo
5:30 am - 7:10 am
BIL
-
LHR
18h 40m
2 stops
Delta Logo
6:30 am - 11:32 pm
LHR
-
BIL
24h 02m
2 stops
$1,240Delta
Tue, Jun 2 - Sun, Jun 7
Air Canada Logo
7:00 am - 6:30 am
BIL
-
LHR
16h 30m
2 stops
Air Canada Logo
2:05 pm - 9:17 pm
LHR
-
BIL
38h 12m
2 stops
$1,248Air Canada
Thu, Jun 4 - Wed, Jun 10
Delta Logo
6:30 am - 6:45 am
BIL
-
LHR
17h 15m
2 stops
Delta Logo
8:40 am - 11:32 pm
LHR
-
BIL
21h 52m
2 stops
$1,250Delta
Thu, Jun 4 - Tue, Jun 9
Delta Logo
6:30 am - 1:05 pm
BIL
-
LHR
23h 35m
1 stop
Delta Logo
8:40 am - 11:32 pm
LHR
-
BIL
21h 52m
2 stops
$1,251Delta
Tue, Jun 2 - Mon, Jun 8
Air Canada Logo
7:00 am - 6:30 am
BIL
-
LHR
16h 30m
2 stops
Air Canada Logo
12:05 pm - 5:19 pm
LHR
-
BIL
36h 14m
2 stops
$1,253Air Canada
Wed, Jun 3 - Sun, Jun 7
KLM Logo
11:34 am - 10:00 am
BIL
-
LHR
15h 26m
1 stop
KLM Logo
12:25 pm - 11:32 pm
LHR
-
BIL
18h 07m
1 stop
$1,265KLM
Booking Insights

KAYAK's insights & trends for Billings to Heathrow flights

Get data-powered insights and trends into flights from Billings to Heathrow to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Billings to London?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Billings to London were found on Delta ($1,176) and Virgin Atlantic ($1,236).

Find deals

Good to know

Cheapest flight$488
Flight from Billings to London

When to book flights from Billings to Heathrow

Are your dates flexible? Find out the best times to travel from Billings to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Billings to London flights

  • What is the cheapest flight from Billings to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Billings to London Heathrow Airport was $488 for a one-way ticket and $1,176 for a round-trip.

  • Do I need a passport to fly between Billings and London?

    A passport is required to fly from Billings to London.

  • Which aircraft models fly most regularly from Billings to London?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Billings to London?

    Star Alliance is the only airline alliance operating flights between Billings and London.

  • How does KAYAK find such low prices on flights from Billings to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Billings to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Billings to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Billings is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Billings to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Billings with another airline. Booking your flights between Billings and LHR can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Billings to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Billings up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Billings to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Billings to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Billings to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9690 reviews
7.3Comfort
7.1Entertainment
8.1Crew
7.7Boarding
6.6Food
Airline reviews

I didn’t have a seat assignment and my seat was very dirty on the flight from Frankfurt to Budapest.

6.0 GoodKinga, May 2026
RDU - FRA
Read more United Airlines reviews

I didn’t have a seat assignment and my seat was very dirty on the flight from Frankfurt to Budapest.

Left an hour and a half after the listed time. Up side was it had TV screens on the seat.

No screens or meal options. Freezing cold. Dirty seats. Left late.

O’hsre taxi and deboarding took 40 minutes. Needed 20 minutes extra time between connecting flights to avoid running through terminal.

Cree was organized and pleasant. Plane had good seating but as it’s a shuttle toilets hadn’t been thoroughly cleaned (eg. bins too full)

I liked that my son and I were reseated next to each other (we had different bookings). I liked that it was a directg flight and mostly on time. I liked that you provided pillows and blankets. Flight attendants were generally courteous. The messaging through wifi did not work well. The food was not good. Seats are very narrow and I felt slightly claustraphobic in the window seat.

Overall a good experience, but no wifi available for free or for purchase and we got wet from condensation or other water source during descent.

Some crew were unfriendly or in some cases just straight up rude.

Booked through Kayak Business, had a seat in middle and towards back due to booking rate, not comfortable.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

Everything you need to know for your flight from Billings to Heathrow

Information on your arrival and departure airports

Billings (BIL)
Heathrow (LHR)