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Heathrow

$345+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — LHR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$677
(United Airlines)

One-way from

$345
(Expedia)

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 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 ($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 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 February 20, 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 3/103:50 pmBZN - LHR
1 stop14h 10mUnited Airlines
Tue 3/253:00 pmLHR - BZN
2 stops30h 31mUnited Airlines
Deal found 2/19$677
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.
Wed 3/55:40 amBZN - LHR
1 stop21h 20mMultiple Airlines
Wed 3/125:50 pmLHR - BZN
2 stops29h 56mMultiple Airlines
Deal found 2/19$679
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 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:30 amMSO - LHR
2 stops20h 40mUnited Airlines
Tue 3/253:00 pmLHR - MSO
2 stops36h 56mUnited Airlines
Deal found 2/20$682
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 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 2/19. 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
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.
Sun 4/610:50 amBIL - LHR
1 stop18h 30mUnited Airlines
Sun 4/132:05 pmLHR - BIL
2 stops39h 39mUnited Airlines
Deal found 2/20$730
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.
Sun 4/63:10 pmBZN - LHR
1 stop15h 20mKLM
Sun 4/2012:25 pmLHR - BZN
1 stop18h 30mKLM
Deal found 2/20$753
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.
Fri 3/2112:57 pmBZN - LHR
1 stop13h 18mAmerican Airlines
Fri 3/282:10 pmLHR - BZN
1 stop26h 22mAmerican Airlines
Deal found 2/19$755
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.
Sun 4/66:00 amBZN - LHR
2 stops19h 55mDelta
Sun 4/2011:45 amLHR - BZN
2 stops19h 10mDelta
Deal found 2/20$757

Find flights from Montana to Heathrow within your budget

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 February 20, 2025.

Fly from

Montana

Fly to

Heathrow

Route

Depart

Return

Price

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Mon 3/10

3:50 pm-12:00 pm

1 stop14h 10m

London Heathrow

Tue 3/25

3:00 pm-3:31 pm

2 stops30h 31m

$677

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Wed 3/5

5:40 am-10:00 am

1 stop21h 20m

London Heathrow

Wed 3/12

5:50 pm-5:46 pm

2 stops29h 56m

$679

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

Wed 3/19

6:30 am-9:10 am

2 stops20h 40m

London Heathrow

Tue 3/25

3:00 pm-9:56 pm

2 stops36h 56m

$682

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

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

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sun 4/27

3:40 pm-1:10 pm

1 stop14h 30m

London Heathrow

Thu 5/8

10:55 am-5:03 pm

1 stop13h 08m

$703

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Wed 3/19

7:00 am-7:20 am

1 stop18h 20m

London Heathrow

Wed 3/26

8:20 am-9:14 pm

2 stops18h 54m

$705

BillingsLondon

BIL - LHR

BILLHR

Billings Logan Intl

Sun 4/6

10:50 am-12:20 pm

1 stop18h 30m

London Heathrow

Sun 4/13

2:05 pm-10:44 pm

2 stops39h 39m

$730

BozemanLondon

BZN - LHR

BZNLHR

Bozeman Gallatin Field

Sun 4/6

3:10 pm-1:30 pm

1 stop15h 20m

London Heathrow

Sun 4/20

12:25 pm-11:55 pm

1 stop18h 30m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 41 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.

Travel insights for flights from Montana to Heathrow

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

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 $1,136). 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 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 February 20, 2025.
Get a feel of what it's like to fly with Delta, KLM and Virgin Atlantic 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.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
654 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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.

JetBlue
7.4
Good
3,070 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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 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 JetBlue ($345), United Airlines ($483), and American Airlines ($529).

  • 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, Billings Logan Intl - London Heathrow and Missoula Johnson-Bell Field - 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 $1,136). 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
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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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 London City flights
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Boston to Stansted flights
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San Francisco to London City flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
O'Hare Intl to London City flights
Los Angeles to Gatwick flights
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Seattle to Gatwick flights
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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 February 20, 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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