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Cheap flights from Montana to London from £391

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LON
5 May — 12 May1
1 adult

Cheap flight deals from Montana to London

Keep the following information in mind while searching for Montana to London flight deals. Data was last updated 30 April 2025.

Round-trip from

£542

One-way from

£391

Popular in

July

Cheapest in

February

Average price

£719
American Airlines
  • American Airlines
  • 19/9-26/9
  • 3 total stops
  • 33h 08m total
  • Montana to London
20/5
  • 20/5
  • 3 total stops
  • 43h 26m total
  • Montana to London
Highest demand for flights based on searches. 21% potential increase in price (£132 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Montana to London

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 30 April 2025.

Wed 26/1108:00MSO - LHR
1 stop21h 15mDelta
Wed 3/1206:20LHR - MSO
2 stops20h 52mDelta
Deal found 29/4£521
Fri 12/915:22BZN - LHR
1 stop12h 08mAmerican Airlines
Fri 19/908:50LHR - BZN
2 stops17h 38mAmerican Airlines
Deal found 30/4£542
Mon 25/814:00BZN - LHR
1 stop16h 30mDelta
Sun 31/806:15LHR - BZN
2 stops21h 12mDelta
Deal found 30/4£559
Fri 19/911:46BZN - LHR
1 stop19h 29mKLM
Fri 26/912:25LHR - BZN
1 stop18h 33mKLM
Deal found 30/4£565
Tue 2/908:00BZN - LHR
2 stops19h 40mUnited Airlines
Wed 17/909:30LHR - BZN
2 stops33h 14mUnited Airlines
Deal found 29/4£573
Wed 10/914:35BIL - LHR
1 stop12h 05mUnited Airlines
Thu 2/1017:40LHR - BIL
2 stops34h 04mUnited Airlines
Deal found 29/4£575
Wed 10/912:35BIL - LHR
1 stop11h 45mAmerican Airlines
Thu 2/1009:15LHR - BIL
1 stop20h 52mAmerican Airlines
Deal found 29/4£588
Wed 10/905:00BIL - LHR
3 stops18h 30mMultiple Airlines
Thu 2/1009:30LHR - BIL
2 stops18h 14mMultiple Airlines
Deal found 29/4£592
Wed 28/505:45MSO - LGW
2 stops21h 15mDelta
Tue 10/612:00LGW - MSO
2 stops18h 46mDelta
Deal found 29/4£620
Wed 10/914:35BIL - LCY
2 stops18h 50mLufthansa
Thu 2/1008:45LCY - BIL
2 stops18h 59mLufthansa
Deal found 29/4£620
Mon 5/511:35BIL - LHR
1 stop15h 15mDelta
Wed 21/506:15LHR - BIL
2 stops25h 04mDelta
Deal found 29/4£652
Tue 22/715:36MSO - LHR
1 stop14h 34mKLM
Tue 29/712:25LHR - MSO
1 stop18h 18mKLM
Deal found 28/4£659

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 30 April 2025.
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

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Fri 19/9

13:35-10:55

1 stop14h 20m

London Heathrow

Fri 26/9

07:40-19:28

2 stops18h 48m

£542

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Mon 25/8

14:00-13:30

1 stop16h 30m

London Heathrow

Sun 31/8

06:15-20:27

2 stops21h 12m

£559

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 2/9

08:00-10:40

2 stops19h 40m

London Heathrow

Wed 17/9

09:30-11:44

2 stops33h 14m

£573

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Tue 2/9

14:00-13:30

1 stop16h 30m

London Heathrow

Wed 17/9

11:00-18:40

1 stop14h 40m

£588

MissoulaLondon

MSO - LGW

MSOLGW

Missoula Johnson-Bell Field

Wed 28/5

05:45-10:00

2 stops21h 15m

London Gatwick

Tue 10/6

12:00-23:46

2 stops18h 46m

£620

BillingsLondon

BIL - LCY

BILLCY

Billings Logan Intl

Wed 10/9

14:35-16:25

2 stops18h 50m

London City

Thu 2/10

08:45-20:44

2 stops18h 59m

£620

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 28/5

05:40-09:50

1 stop21h 10m

London Heathrow

Tue 10/6

11:30-23:46

2 stops19h 16m

£642

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Mon 5/5

11:35-09:50

1 stop15h 15m

London Heathrow

Wed 21/5

06:15-00:19

2 stops25h 04m

£652

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 22/7

15:36-13:10

1 stop14h 34m

London Heathrow

Tue 29/7

12:25-23:43

1 stop18h 18m

£659

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sat 26/7

14:32-06:30

2 stops32h 58m

London Heathrow

Sun 10/8

16:40-10:03

2 stops24h 23m

£662

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 41 results
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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 £112). Flying from Montana to London in August is currently the most expensive (average of £164). 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.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 30 April 2025.
Get a feel of what it's like to fly with Delta, KLM and SWISS from Montana to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • What are the cheapest airlines to fly from Montana to London one-way?

    One-way options have recently been found by users for as low as £400 on Delta. Other airlines that offer cheap prices include KLM from £409 and United Airlines from £492 one-way.

  • What are the most popular routes 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 £112). Flying from Montana to London in August is currently the most expensive (average of £164). 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 Montana?

Book flights to Montana if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Southend-on-Sea
Ilford
Crawley
Hayes
Ipswich
Watford
Wembley
Folkestone
Maidstone
Winchester
Dartford
Guildford

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Alternative routes for Montana to London

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

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

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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.

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