$632+ Cheap flights from Butte (BTM) to the United Kingdom
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BTM — LHR
Dec 21 — Dec 281
1 adult, Economy
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Cheapest flights from Butte to United KingdomExplore the most affordable flight options available from Butte to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.
Explore the most affordable flight options available from Butte to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:00 amBTM - LHR
1 stop16h 40mUnited Airlines
Tue 12/96:35 amLHR - BTM
2 stops22h 54mUnited Airlines
Deal found 11/20![United Airlines logo]()
$812
Cheap flight deals from Butte to United Kingdom
Keep the following information in mind while searching for Butte to United Kingdom flight deals. Data was last updated November 21, 2025.
Round-trip from | $632 (United Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Butte to United Kingdom 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, Cheapflights users made 2,558,603 searches. Data last updated November 21, 2025.
Use the filters below to find and compare flights from Butte to the United Kingdom that are best for you.
Fly from
Butte
Fly to
United Kingdom
Route
Depart
Return
Price
ButteLondon
BTM - LHR
BTMLHR
Butte Silver Bow Co
Thu 1/8
9:14 am-9:40 am
1 stop17h 26m
London Heathrow
Mon 1/12
11:10 am-10:45 pm
2 stops42h 35m
$632
ButteLondon
BTM - LHR
BTMLHR
Butte Silver Bow Co
Fri 12/5
10:00 am-9:40 am
1 stop16h 40m
London Heathrow
Tue 12/9
6:35 am-10:29 pm
2 stops22h 54m
$812
Best time to book a flight from Butte to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Butte with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Butte to the United Kingdom
What is the cheapest month to book a flight from Butte to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from Butte to United Kingdom (average of $604). Flying from Butte to United Kingdom in June is currently the most expensive (average of $1,155). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.