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$392+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LON
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$677
(United Airlines)

One-way from

$392
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$743
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 ($265 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 3/105:00 amBZN - LHR
2 stops20h 10mUnited Airlines
Tue 3/253:00 pmLHR - BZN
2 stops28h 28mUnited Airlines
Deal found 2/19$677
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sun 4/276:10 amFCA - LHR
1 stop23h 10mUnited Airlines
Thu 5/89:30 amLHR - FCA
2 stops43h 11mUnited Airlines
Deal found 2/19$680
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/12:33 pmMSO - LHR
1 stop12h 07mUnited Airlines
Tue 4/159:30 amLHR - MSO
2 stops43h 05mUnited Airlines
Deal found 2/20$680
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/126:30 amHLN - LHR
2 stops17h 50mUnited Airlines
Wed 3/263:00 pmLHR - HLN
2 stops36h 26mUnited Airlines
Deal found 2/20$682
This Air France deal was found by Cheapflights users on 2/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/101:20 pmBZN - LHR
2 stops15h 15mMultiple Airlines
Tue 3/258:25 pmLHR - BZN
2 stops27h 21mMultiple Airlines
Deal found 2/20$684
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 4/226:40 amGTF - LHR
2 stops16h 50mUnited Airlines
Tue 4/297:30 amLHR - GTF
2 stops20h 43mUnited Airlines
Deal found 2/21$688
This Finnair deal was found by Cheapflights users on 2/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/197:00 amBIL - LHR
1 stop20h 40mMultiple Airlines
Wed 3/2610:40 amLHR - BIL
1 stop16h 34mMultiple Airlines
Deal found 2/19$691
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/103:10 pmBZN - LHR
1 stop14h 30mKLM
Tue 3/2510:45 amLHR - BZN
1 stop13h 01mKLM
Deal found 2/20$700
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:30 amMSO - LHR
1 stop17h 35mDelta
Tue 3/259:10 amLHR - MSO
1 stop17h 09mDelta
Deal found 2/20$700
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/121:15 pmHLN - LHR
1 stop14h 45mMultiple Airlines
Wed 3/2610:45 amLHR - HLN
1 stop17h 52mMultiple Airlines
Deal found 2/20$700
This KLM deal was found by Cheapflights users on 2/19. 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.
Sun 4/273:40 pmFCA - LHR
1 stop14h 30mKLM
Thu 5/810:55 amLHR - FCA
1 stop13h 08mKLM
Deal found 2/19$703
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/197:00 amBIL - LHR
1 stop18h 20mAmerican Airlines
Wed 3/268:20 amLHR - BIL
2 stops18h 54mAmerican Airlines
Deal found 2/19$705

Find flights from Montana to London within your budget

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 February 22, 2025.

Fly from

Montana

Fly to

London

Route

Depart

Return

Price

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Mon 3/10

5:00 am-7:10 am

2 stops20h 10m

London Heathrow

Tue 3/25

3:00 pm-1:28 pm

2 stops28h 28m

$677

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sun 4/27

6:10 am-12:20 pm

1 stop23h 10m

London Heathrow

Thu 5/8

9:30 am-9:41 pm

2 stops43h 11m

$680

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 4/1

2:33 pm-9:40 am

1 stop12h 07m

London Heathrow

Tue 4/15

9:30 am-9:35 pm

2 stops43h 05m

$680

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 3/12

6:30 am-6:20 am

2 stops17h 50m

London Heathrow

Wed 3/26

3:00 pm-9:26 pm

2 stops36h 26m

$682

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Mon 3/10

1:20 pm-10:35 am

2 stops15h 15m

London Heathrow

Tue 3/25

8:25 pm-5:46 pm

2 stops27h 21m

$684

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Tue 4/22

6:40 am-6:30 am

2 stops16h 50m

London Heathrow

Tue 4/29

7:30 am-9:13 pm

2 stops20h 43m

$688

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 3/19

7:00 am-9:40 am

1 stop20h 40m

London Heathrow

Wed 3/26

10:40 am-9:14 pm

1 stop16h 34m

$691

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Mon 3/10

3:10 pm-11:40 am

1 stop14h 30m

London Heathrow

Tue 3/25

10:45 am-5:46 pm

1 stop13h 01m

$700

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 3/18

7:30 am-7:05 am

1 stop17h 35m

London Heathrow

Tue 3/25

9:10 am-8:19 pm

1 stop17h 09m

$700

HelenaLondon

HLN - LHR

HLNLHR

Helena

Wed 3/12

1:15 pm-10:00 am

1 stop14h 45m

London Heathrow

Wed 3/26

10:45 am-10:37 pm

1 stop17h 52m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 45 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.

Travel insights for flights from Montana to London

Get recent, data-driven insights about flights from Montana to London including ideal travel times, pricing trends, and more.

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 $1,136). 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 February 22, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and SWISS 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
8,212 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

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
8,212 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

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
1,330 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

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
1,566 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

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.

Virgin Atlantic
7.5
Good
653 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

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
1,448 reviews
Delta
8.0
Very good
8,212 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

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 United Airlines, which is currently one of the cheapest options available, starting at $483. American Airlines flights start at $529 while deals on Delta start at $598 one-way.

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

    Most travelers choose Bozeman Gallatin Field - London Heathrow, Bozeman Gallatin Field - London City or Billings Logan Intl - London Heathrow 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 $1,136). 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
Harrow
Luton
Wembley
Horley
Canterbury
Gatwick
Milton Keynes
Dover
Orpington
Watford
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Chelmsford

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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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$600Average$932FlexibilityNo cancel feeOn-time72%
DeltaCheapest$622Average$834FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$661Average$863FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$700Average$1,501FlexibilityNo cancel feeOn-time71%
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