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$589+ Cheap flights from Kalispell (FCA) 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Kalispell to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$719
(United Airlines)

One-way from

$589
(KLM)

Popular in

July

Cheapest in

April

Average price

$926
Provider with most accurate pricing for Kalispell Glacier Park-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Kalispell Glacier Park-London Heathrow flights.
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From Kalispell Glacier Park to London Heathrow
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One-way flight from Kalispell Glacier Park to London Heathrow
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Highest demand for flights based on searches. 22% potential increase in price ($260 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Kalispell to Heathrow

Cheapest flights from Kalispell to Heathrow
Explore the most affordable flight options available from Kalispell to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 3/262:35 pmFCA - LHR
1 stop13h 05mUnited Airlines
Tue 4/19:30 amLHR - FCA
2 stops43h 29mUnited Airlines
Deal found 1/21$719
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3112:32 pmFCA - LHR
1 stop14h 28mKLM
Mon 2/35:50 pmLHR - FCA
2 stops30h 19mKLM
Deal found 1/21$776
This United deal was found by Cheapflights users on 1/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/265:57 pmFCA - LHR
3 stops30h 43mMultiple Airlines
Tue 4/18:30 amLHR - FCA
2 stops20h 29mMultiple Airlines
Deal found 1/21$877
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/263:44 pmFCA - LHR
1 stop14h 31mBritish Airways
Wed 4/99:50 amLHR - FCA
1 stop20h 53mBritish Airways
Deal found 1/20$968
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/261:24 pmFCA - LHR
1 stop15h 46mAmerican Airlines
Sat 8/93:30 pmLHR - FCA
1 stop27h 57mAmerican Airlines
Deal found 1/20$1,239
This Delta deal was found by Cheapflights users on 1/20. 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.
Sat 1/2512:32 pmFCA - LHR
1 stop14h 28mDelta
Sat 2/110:45 amLHR - FCA
1 stop19h 26mDelta
Deal found 1/20$1,750

Find flights from Kalispell to Heathrow within your budget

Customize your flight search to find flights from Kalispell 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 3/26

2:35 pm-9:40 am

1 stop13h 05m

London Heathrow

Wed 4/9

2:05 pm-9:59 pm

2 stops38h 54m

$719

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 1/31

12:32 pm-10:00 am

1 stop14h 28m

London Heathrow

Mon 2/3

5:50 pm-5:09 pm

2 stops30h 19m

$776

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 3/26

5:57 pm-6:40 am

3 stops30h 43m

London Heathrow

Tue 4/1

8:30 am-9:59 pm

2 stops20h 29m

$877

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 3/26

3:44 pm-12:15 pm

1 stop14h 31m

London Heathrow

Wed 4/9

9:50 am-11:43 pm

1 stop20h 53m

$968

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sun 6/15

1:18 pm-12:10 pm

1 stop15h 52m

London Heathrow

Tue 7/8

9:15 am-4:17 pm

1 stop14h 02m

$1,362

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 5/15

12:30 pm-1:30 pm

2 stops18h 00m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from Kalispell to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kalispell to Heathrow in January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kalispell-London Heathrow Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Kalispell-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Kalispell-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-London Heathrow Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalispell-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kalispell to Heathrow

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

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

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

Currently, November is the cheapest month in which you can book a flight from Kalispell to London Heathrow Airport (average of $661). Flying from Kalispell to London Heathrow Airport in June is currently the most expensive (average of $1,137). 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 January 21, 2025.
KLM
7.8
Good
1,341 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,984 reviews
KLM
7.8
Good
1,341 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,341 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,834 reviews
KLM
7.8
Good
1,341 reviews

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kalispell to London Heathrow?

    Kalispell Glacier Park (FCA), located 8.4 mi from the city center, is the airport you fly out of when you book flights from Kalispell to London Heathrow. 3 airlines have flights from Glacier Park to London Heathrow on a regular basis. Booking flights from Kalispell Glacier Park to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • What are the cheapest airlines flying from Kalispell to London Heathrow Airport round-trip?

    Flying on United Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at $719. Additional round-trip tickets that might be worth considering are offered by KLM and British Airways, with the lowest prices starting at $776 and $968, respectively. These flights start at 18% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kalispell 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 Kalispell to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Kalispell to London Heathrow Airport (average of $661). Flying from Kalispell to London Heathrow Airport in June is currently the most expensive (average of $1,137). 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 Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Harrow
Luton
Wembley
Canterbury
Northampton
Gatwick
Horley
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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Top 3 airlines flying from Kalispell to Heathrow

Discover the top 3 airlines that operate flights from Kalispell 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$647Average$1,084FlexibilityNo cancel feeOn-time72%
DeltaCheapest$648Average$878FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$661Average$757FlexibilityNo cancel feeOn-time69%
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