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$488+ Cheap flights from Montana to London (LON)

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LON
4月 5 — 4月 121
週六 4/5
週六 4/12
1 adult, Economy
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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 3月 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$759
(United)

One-way from

$488
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$772
Provider with most accurate pricing for Bozeman Gallatin Field-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-London (LON) flights.
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From Montana to London (LON)
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One-way flight from Montana to London (LON)
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Highest demand for flights based on searches. 22% potential increase in price ($254 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 3月 31, 2025.

This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 9/242:29 pmFCA - LHR
1 stop14h 51mUnited Airlines
週三 10/152:05 pmLHR - FCA
2 stops38h 25mUnited Airlines
Deal found 3/30$759
This United Airlines deal was found by Cheapflights users on 3/30. 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.
週三 11/122:27 pmMSO - LHR
1 stop12h 13mUnited Airlines
週三 11/192:30 pmLHR - MSO
2 stops32h 40mUnited Airlines
Deal found 3/30$759
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 10/17:00 amBIL - LHR
2 stops21h 50mMultiple Airlines
週三 10/157:25 amLHR - BIL
2 stops20h 26mMultiple Airlines
Deal found 3/30$765
This United Airlines deal was found by Cheapflights users on 3/30. 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.
週三 10/110:45 amBIL - LHR
1 stop18h 35mUnited Airlines
週三 10/153:50 pmLHR - BIL
2 stops36h 01mUnited Airlines
Deal found 3/30$766
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 11/111:05 pmMSO - LHR
1 stop13h 55mDelta
週四 11/206:30 amLHR - MSO
2 stops24h 22mDelta
Deal found 3/30$768
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 10/111:38 amBIL - LHR
1 stop15h 12mKLM
週三 10/1511:00 amLHR - BIL
1 stop20h 16mKLM
Deal found 3/30$782
This Air France deal was found by Cheapflights users on 3/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 4/282:14 pmFCA - LHR
1 stop15h 56mMultiple Airlines
週一 5/57:45 pmLHR - FCA
2 stops28h 22mMultiple Airlines
Deal found 3/30$786
This Virgin Atlantic deal was found by Cheapflights users on 3/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 4/2812:32 pmFCA - LHR
2 stops17h 58mVirgin Atlantic
週一 5/57:45 pmLHR - FCA
2 stops35h 45mVirgin Atlantic
Deal found 3/30$790
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 9/197:00 amBZN - LHR
1 stop22h 20mUnited Airlines
週五 9/262:05 pmLHR - BZN
2 stops30h 23mUnited Airlines
Deal found 3/31$809
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週六 4/197:50 amMSO - LHR
1 stop22h 20mKLM
週三 4/3011:45 amLHR - MSO
2 stops15h 40mKLM
Deal found 3/30$818
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 9/2511:46 amBZN - LHR
2 stops18h 24mDelta
週二 10/76:30 amLHR - BZN
2 stops17h 08mDelta
Deal found 3/31$822
This Air France deal was found by Cheapflights users on 3/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 10/75:45 amMSO - LHR
1 stop24h 25mMultiple Airlines
週六 10/186:30 amLHR - MSO
2 stops17h 52mMultiple Airlines
Deal found 3/30$825

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated 3月 31, 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

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

週三 9/24

2:29 pm-12:20 pm

1 stop14h 51m

London Heathrow

週三 10/15

2:05 pm-9:30 pm

2 stops38h 25m

$759

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

週一 4/28

2:14 pm-1:10 pm

1 stop15h 56m

London Heathrow

週一 5/5

7:45 pm-5:07 pm

2 stops28h 22m

$786

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

週一 4/28

12:32 pm-1:30 pm

2 stops17h 58m

London Heathrow

週一 5/5

7:45 pm-12:30 am

2 stops35h 45m

$790

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

週五 9/19

7:00 am-12:20 pm

1 stop22h 20m

London Heathrow

週五 9/26

2:05 pm-1:28 pm

2 stops30h 23m

$809

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

週三 5/14

7:00 am-9:40 am

1 stop19h 40m

London Heathrow

週三 5/21

10:50 am-9:57 pm

2 stops18h 07m

$813

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

週六 4/19

7:50 am-1:10 pm

1 stop22h 20m

London Heathrow

週三 4/30

11:45 am-8:25 pm

2 stops15h 40m

$818

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

週四 9/25

11:46 am-1:10 pm

2 stops18h 24m

London Heathrow

週二 10/7

6:30 am-4:38 pm

2 stops17h 08m

$822

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

週四 9/25

7:25 am-2:15 pm

1 stop23h 50m

London Heathrow

週五 10/3

12:25 pm-11:57 pm

1 stop18h 32m

$832

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

週三 5/14

5:40 am-9:50 am

1 stop21h 10m

London Heathrow

週三 5/21

11:45 am-11:47 pm

2 stops19h 02m

$853

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

週三 5/14

6:20 am-12:20 pm

1 stop23h 00m

London Heathrow

週三 5/21

2:50 pm-9:19 pm

1 stop13h 29m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 35 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 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 Montana to London

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

Currently, November is the cheapest month in which you can book a flight from Montana to London (average of $661). Flying from Montana to London in June is currently the most expensive (average of $1,110). 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 3月 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Montana to London to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

8.0

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.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

8.0

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.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

8.0

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.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

8.0

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.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

8.0

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.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Comfort

8.0

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?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $488. United Airlines flights start at $657 while deals on Delta start at $828 one-way.

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

    Most travelers choose Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - 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 vacation 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, November is the cheapest month in which you can book a flight from Montana to London (average of $661). Flying from Montana to London in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Montana?

Book flights to Montana if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Dover
Gatwick
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Chelmsford
Sutton

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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.
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Top 4 airlines flying from Montana to London

Discover the top 4 airlines that operate flights from Montana to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated 3月 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$622Average$825FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$647Average$1,084FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$655Average$840FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$700Average$1,611FlexibilityNo cancel feeOn-time71%
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