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Cheap flights from Kalispell to London Heathrow Airport from £470

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — LHR
31 Aug — 7 Sep1
1 adult

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 26 August 2025.

Round-trip from

£470

Popular in

August

Cheapest in

April

Average price

£1,369
Virgin Atlantic
  • Virgin Atlantic
  • 8/10-15/10
  • 3 total stops
  • 38h 44m total
  • Kalispell to London
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Highest demand for flights based on searches. 20% potential increase in price (£144 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£50 potential savings vs. average return price).
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Average for round-trip flights in August 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 26 August 2025.

Wed 8/1012:00FCA - LHR
2 stops19h 35mVirgin Atlantic
Wed 15/1011:00LHR - FCA
1 stop19h 09mVirgin Atlantic
Deal found 23/8£470
Fri 7/1112:00FCA - LHR
1 stop15h 00mVirgin Atlantic
Thu 13/1106:20LHR - FCA
2 stops23h 40mVirgin Atlantic
Deal found 23/8£498
Fri 3/1018:10FCA - LHR
1 stop32h 40mMultiple Airlines
Fri 31/1006:20LHR - FCA
2 stops22h 49mMultiple Airlines
Deal found 24/8£503
Fri 7/1112:00FCA - LHR
1 stop15h 00mKLM
Thu 13/1110:45LHR - FCA
1 stop13h 41mKLM
Deal found 24/8£503
Fri 19/906:45FCA - LHR
1 stop23h 25mDelta
Tue 30/910:55LHR - FCA
1 stop20h 27mDelta
Deal found 25/8£508
Fri 3/1011:54FCA - LHR
2 stops18h 51mDelta
Fri 31/1006:20LHR - FCA
2 stops22h 49mDelta
Deal found 24/8£512
Wed 8/1016:08FCA - LHR
1 stop15h 02mUnited Airlines
Wed 15/1014:50LHR - FCA
1 stop13h 41mUnited Airlines
Deal found 23/8£555
Fri 19/912:41FCA - LHR
1 stop16h 04mUnited Airlines
Tue 30/908:30LHR - FCA
2 stops34h 05mUnited Airlines
Deal found 24/8£580

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Kalispell to London Heathrow Airport that are best for you.

Fly from

Kalispell

Fly to

Heathrow

Route

Depart

Return

Price

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 8/10

12:00-14:35

2 stops19h 35m

London Heathrow

Wed 15/10

11:00-23:09

1 stop19h 09m

£470

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 7/11

12:00-10:00

1 stop15h 00m

London Heathrow

Thu 13/11

06:20-17:26

2 stops18h 06m

£498

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 7/11

12:00-10:00

1 stop15h 00m

London Heathrow

Thu 13/11

06:20-23:00

2 stops23h 40m

£498

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 7/11

05:20-09:00

2 stops20h 40m

London Heathrow

Thu 13/11

06:20-17:26

2 stops18h 06m

£501

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 3/10

18:10-09:50

1 stop32h 40m

London Heathrow

Fri 31/10

06:20-23:09

2 stops22h 49m

£503

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 7/11

12:00-10:00

1 stop15h 00m

London Heathrow

Thu 13/11

10:45-17:26

1 stop13h 41m

£503

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 19/9

06:45-13:10

1 stop23h 25m

London Heathrow

Tue 30/9

10:55-00:22

1 stop20h 27m

£508

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 3/10

11:54-13:45

2 stops18h 51m

London Heathrow

Fri 31/10

06:20-23:09

2 stops22h 49m

£512

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 8/10

16:08-14:10

1 stop15h 02m

London Heathrow

Wed 15/10

14:50-21:31

1 stop13h 41m

£555

Flights are sorted by cheapest return flights first.

Deals found on 23/8

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 return 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 Kalispell to London Heathrow Airport

How much does it cost for a return flight from Kalispell to London Heathrow Airport?

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?

    Located just 8.4 mi from the city center, Kalispell Glacier Park is the airport most travelers will use when flying to London Heathrow from Kalispell. Booking flights from Glacier Park (FCA) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from Kalispell to London Heathrow Airport?

    There are many flights that can get you from Kalispell to London Heathrow Airport in 19h 35m. Fly via Virgin Atlantic to get the fastest option. The distance between Kalispell and London Heathrow Airport is about 4512 mi.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Kalispell to London Heathrow Airport (average of £112). Flying from Kalispell to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

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Alternative routes for Kalispell to Heathrow

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Fly with Cheapflights

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How does Cheapflights help users find flights from Kalispell to Heathrow?

When you search for this flight from Kalispell to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Kalispell to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Kalispell to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Kalispell to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Kalispell to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Kalispell to Heathrow become cheaper?

Yes! Start tracking prices for Kalispell to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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