Find flights
When to book
FAQs

Cheap flights from Montana to London from £229

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LON
24 Feb — 3 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montana to London

Enter your travel dates to find the best prices.

Cheapest flights from Montana to London
Explore the most affordable flight options available from Montana to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 January 2026.

Wed 4/317:53
BIL
-
LHR
2 stops30h 17m
Multiple Airlines
Wed 11/306:35
LHR
-
BIL
2 stops20h 32m
Multiple Airlines
Deal found 24/1£458
Tue 10/317:55
BIL
-
LHR
2 stops35h 25m
Multiple Airlines
Tue 17/307:40
LHR
-
BIL
2 stops19h 27m
Multiple Airlines
Deal found 24/1£461
Wed 4/308:11
BZN
-
LHR
1 stop20h 04m
United Airlines
Wed 11/306:50
LHR
-
BZN
2 stops21h 22m
United Airlines
Deal found 24/1£462
Wed 4/314:35
BIL
-
LHR
1 stop12h 05m
United Airlines
Wed 11/306:35
LHR
-
BIL
2 stops20h 32m
United Airlines
Deal found 24/1£462
Thu 5/314:41
FCA
-
LHR
1 stop11h 59m
United Airlines
Wed 11/306:35
LHR
-
FCA
2 stops21h 22m
United Airlines
Deal found 23/1£462
Mon 9/307:35
BZN
-
LHR
1 stop20h 55m
KLM
Mon 16/306:30
LHR
-
BZN
2 stops22h 16m
KLM
Deal found 23/1£462
Mon 9/311:34
BIL
-
LHR
1 stop16h 26m
KLM
Mon 16/320:25
LHR
-
BIL
2 stops27h 16m
KLM
Deal found 23/1£462
Tue 14/414:40
BZN
-
LHR
2 stops17h 00m
Lufthansa
Tue 28/406:55
LHR
-
BZN
2 stops21h 37m
Lufthansa
Deal found 24/1£464
Mon 9/317:55
BIL
-
LHR
2 stops31h 15m
Multiple Airlines
Mon 16/311:10
LHR
-
BIL
2 stops39h 57m
Multiple Airlines
Deal found 23/1£465
Mon 9/311:39
BZN
-
LHR
2 stops16h 51m
Delta
Mon 16/306:30
LHR
-
BZN
2 stops22h 16m
Delta
Deal found 23/1£466
Thu 5/305:00
FCA
-
LHR
2 stops23h 55m
Delta
Wed 11/310:00
LHR
-
FCA
2 stops37h 15m
Delta
Deal found 23/1£466
Fri 20/205:00
FCA
-
LHR
1 stop22h 00m
Delta
Fri 27/206:20
LHR
-
FCA
2 stops24h 30m
Delta
Deal found 23/1£467

Find flight deals from Montana to London

Keep the following information in mind while searching for Montana to London flight deals. Data was last updated 25 January 2026.

Round-trip from

£458

One-way from

£229

Popular in

June

Cheapest in

October

Average price

£585
Lufthansa
  • Lufthansa
  • 4/3-11/3
  • 4 total stops
  • 50h 49m total
  • Montana to London
Search Deals
JetBlue
  • JetBlue
  • 3/3
  • 1 total stop
  • 12h 11m total
  • Montana to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£97 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Montana to London 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 858,174 searches. Data last updated 25 January 2026.
Use the filters below to find and compare flights from Montana to London that are best for you.

Fly from

Montana

Fly to

London

Route

Depart

Return

Price

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/3

17:55-11:20

2 stops35h 25m

London Heathrow

Tue 17/3

07:40-21:07

2 stops19h 27m

£461

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 4/3

14:35-09:40

1 stop12h 05m

London Heathrow

Wed 11/3

06:35-21:07

2 stops20h 32m

£462

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Tue 10/3

14:35-09:40

1 stop13h 05m

London Heathrow

Tue 17/3

06:35-21:07

2 stops20h 32m

£462

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Mon 9/3

07:35-10:30

1 stop20h 55m

London Heathrow

Mon 16/3

06:30-22:46

2 stops22h 16m

£462

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 9/3

11:34-10:00

1 stop16h 26m

London Heathrow

Mon 16/3

20:25-17:41

2 stops27h 16m

£462

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 4/3

16:29-07:10

2 stops31h 41m

London Heathrow

Wed 11/3

06:50-22:12

2 stops21h 22m

£464

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 9/3

17:55-07:10

2 stops31h 15m

London Heathrow

Mon 16/3

11:10-21:07

2 stops39h 57m

£465

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 5/3

05:00-11:55

2 stops23h 55m

London Heathrow

Wed 11/3

10:00-17:15

2 stops37h 15m

£466

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 20/2

05:00-10:00

1 stop22h 00m

London Heathrow

Fri 27/2

06:20-23:50

2 stops24h 30m

£467

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 25/2

14:34-09:40

1 stop12h 06m

London Heathrow

Sun 1/3

11:10-21:57

2 stops41h 47m

£471

Flights are sorted by cheapest return flights first.

Deals found on 22/1

Showing 1-10 of 44 results
1
2
3
...
5

Best time to book a flight from Montana to London

Have a flexible travel schedule? Discover the best time to fly to London from Montana with our price prediction graph.
Estimated return 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 Montana to London

What is the cheapest month to book a flight from Montana to London?

Currently, January is the cheapest month in which you can book a flight from Montana to London (average of £443). Flying from Montana to London in June is currently the most expensive (average of £817). 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.

How much does it cost for a return flight from Montana to London?

Related info for your journey

Find useful and relevant information for your journey from Montana to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montana to London?

    There are many flights that can get you from Montana to London in 12h 05m. Fly via United Airlines, KLM, or Delta to get the fastest option. The distance between Montana and London is about 4473 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Montana to London?

    Most travelers choose Bozeman Gallatin Field - London Heathrow, Kalispell Glacier Park - London Heathrow or Bozeman Gallatin Field - London City when deciding on the best route from Montana to London.

  • Can I find deals for flights from Montana to London that include hotel bookings?

    Yes. In addition to deals on Montana to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Montana to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to London.

  • Can I find deals for business class flights from Montana to London?

    Yes. Cheapflights offers flight deals from Montana to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to London?

    Currently, January is the cheapest month in which you can book a flight from Montana to London (average of £443). Flying from Montana to London in June is currently the most expensive (average of £817). 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford
Folkestone
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Los Angeles to Heathrow flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Stansted flights
Dallas/Fort Worth to Heathrow flights
Baltimore to Heathrow flights
LaGuardia to Gatwick flights
Seattle to Heathrow flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Miami to Heathrow flights
Orlando to Heathrow flights
Denver to Heathrow flights
Newark to Stansted flights
Los Angeles to Gatwick flights
Hobby to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Boston to London City flights
Newark to London City flights
Philadelphia to Heathrow flights
Los Angeles to London City flights
Newark to Luton flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
Dulles Intl to London City flights
Los Angeles to Stansted flights
Baltimore to Gatwick flights
San Francisco to Gatwick flights
John F Kennedy Intl to Edinburgh flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Stansted flights
Tampa to Heathrow flights
Boston to Stansted flights
O'Hare Intl to London City flights
Reagan-National to Gatwick flights
Austin to Heathrow flights
Newark to Edinburgh flights
Detroit to Heathrow flights
San Francisco to London City flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montana to London?

Cheapflights helps you search for flights from Montana to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Montana to London?

Cheapflights simply makes it quick and affordable to book flights from Montana to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Montana to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Montana to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Montana to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Montana today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.