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Heathrow

$451+ Cheap flights from Montana to Heathrow (LHR)

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 — LHR
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Montana to Heathrow

Keep the following information in mind while searching for Montana to Heathrow flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$674
(StudentUniverse)

One-way from

$451
(Delta)

Popular in

June

Cheapest in

February

Average price

$755
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 Heathrow
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One-way flight from Montana to London Heathrow
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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 April 2025
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Find flight deals from Montana to Heathrow

Cheapest flights from Montana to Heathrow
Explore the most affordable flight options available from Montana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/1. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:54 pmMSO - LHR
2 stops17h 16mFinnair
Wed 5/1410:20 amLHR - MSO
2 stops20h 29mFinnair
Deal found 4/1$674
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/46:20 amMSO - LHR
1 stop23h 00mUnited Airlines
Fri 5/162:05 pmLHR - MSO
2 stops32h 58mUnited Airlines
Deal found 4/1$684
This KLM deal was found by Cheapflights users on 4/1. 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 5/512:00 pmMSO - LHR
1 stop14h 50mKLM
Wed 5/1411:45 amLHR - MSO
2 stops19h 36mKLM
Deal found 4/1$693
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 5/71:03 pmMSO - LHR
2 stops15h 17mDelta
Fri 5/169:55 amLHR - MSO
2 stops21h 26mDelta
Deal found 4/1$712
This American Airlines deal was found by Cheapflights users on 4/1. 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 8/201:35 pmBZN - LHR
1 stop14h 20mAmerican Airlines
Wed 9/104:25 pmLHR - BZN
1 stop25h 05mAmerican Airlines
Deal found 4/1$715
This KLM deal was found by Cheapflights users on 4/1. 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 8/202:00 pmBZN - LHR
1 stop16h 30mKLM
Wed 9/106:30 amLHR - BZN
2 stops14h 47mKLM
Deal found 4/1$726
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 8/2011:37 amBZN - LHR
2 stops18h 53mDelta
Wed 9/106:30 amLHR - BZN
2 stops14h 47mDelta
Deal found 4/1$730
This United deal was found by Cheapflights users on 4/1. 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.
Fri 9/199:30 amBZN - LHR
1 stop18h 40mUnited Airlines
Fri 9/262:05 pmLHR - BZN
2 stops30h 23mUnited Airlines
Deal found 4/1$734
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/26:40 amGTF - LHR
1 stop20h 00mUnited Airlines
Thu 5/89:30 amLHR - GTF
2 stops42h 53mUnited Airlines
Deal found 4/1$734
This United deal was found by Cheapflights users on 4/1. 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.
Thu 4/176:45 amHLN - LHR
1 stop19h 55mUnited Airlines
Mon 4/2112:05 pmLHR - HLN
2 stops32h 25mUnited Airlines
Deal found 4/1$791
This Finnair deal was found by Cheapflights users on 4/1. 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.
Tue 8/1912:54 pmMSO - LHR
1 stop15h 01mMultiple Airlines
Sat 12/134:30 pmLHR - MSO
1 stop27h 25mMultiple Airlines
Deal found 4/1$805
This Air France deal was found by Cheapflights users on 4/1. 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.
Sat 5/37:50 amMSO - LHR
2 stops15h 55mAir France
Sat 5/1712:25 pmLHR - MSO
1 stop18h 22mAir France
Deal found 4/1$812

Cheapflights Fare Finder

Customize your flight search to find flights from Montana to Heathrow 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 April 1, 2025.
Use the filters below to find and compare flights from Montana to London Heathrow Airport that are best for you.

Fly from

Montana

Fly to

Heathrow

Route

Depart

Return

Price

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Mon 5/5

2:54 pm-3:10 pm

2 stops17h 16m

London Heathrow

Wed 5/14

10:20 am-11:49 pm

2 stops20h 29m

$674

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Sun 5/4

6:20 am-12:20 pm

1 stop23h 00m

London Heathrow

Fri 5/16

2:05 pm-4:03 pm

2 stops32h 58m

$684

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Mon 5/5

7:50 am-1:10 pm

1 stop22h 20m

London Heathrow

Fri 5/16

8:40 am-11:47 pm

2 stops22h 07m

$693

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Tue 5/6

12:00 pm-1:10 pm

2 stops18h 10m

London Heathrow

Thu 5/15

11:45 am-11:47 pm

2 stops19h 02m

$698

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 8/20

1:35 pm-10:55 am

1 stop14h 20m

London Heathrow

Wed 9/10

4:25 pm-10:30 am

1 stop25h 05m

$715

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 8/20

2:00 pm-1:30 pm

1 stop16h 30m

London Heathrow

Wed 9/10

6:30 am-2:17 pm

2 stops14h 47m

$726

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 8/20

11:37 am-1:30 pm

2 stops18h 53m

London Heathrow

Wed 9/10

6:30 am-2:17 pm

2 stops14h 47m

$730

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Fri 9/19

9:30 am-11:10 am

1 stop18h 40m

London Heathrow

Fri 9/26

2:05 pm-1:28 pm

2 stops30h 23m

$734

Great FallsLondon

GTF - LHR

GTFLHR

Great Falls

Fri 5/2

6:40 am-9:40 am

1 stop20h 00m

London Heathrow

Thu 5/8

9:30 am-9:23 pm

2 stops42h 53m

$734

HelenaLondon

HLN - LHR

HLNLHR

Helena

Thu 4/17

6:45 am-9:40 am

1 stop19h 55m

London Heathrow

Mon 4/21

12:05 pm-1:30 pm

2 stops32h 25m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 35 results
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Best time to book a flight from Montana to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, November is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of $661). Flying from Montana to London Heathrow Airport 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 Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated April 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and KLM 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.
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
KLM
7.8
Good
1,323 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Finnair
7.6
Good
1,267 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air France
7.4
Good
1,425 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Montana to Heathrow. 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 Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Montana to London Heathrow Airport are Delta ($451), United Airlines ($581), and KLM ($828).

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

    The most popular flight routes from Montana to London Heathrow Airport are Bozeman Gallatin Field - London Heathrow, Missoula Johnson-Bell Field - London Heathrow and Kalispell Glacier Park - London Heathrow.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to Heathrow 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 Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Montana to London Heathrow Airport (average of $661). Flying from Montana to London Heathrow Airport 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
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Folkestone
Ilford
Broadway

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Alternative routes for Montana to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Los Angeles to Gatwick flights
San Francisco to London City flights
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Seattle to Gatwick flights

Top 4 airlines flying from Montana to Heathrow

Discover the top 4 airlines that operate flights from Montana to Heathrow. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$613Average$741FlexibilityNo cancel feeOn-time75%
DeltaCheapest$622Average$800FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$647Average$1,084FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$655Average$840FlexibilityNo cancel feeOn-time69%

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