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Cheap flights from London Heathrow Airport to Kalispell from £550

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FCA
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Kalispell

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Kalispell
Explore the most affordable flight options available from Heathrow to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 August 2026.

Wed 14/1013:05
LHR
-
FCA
2 stops16h 54m
Multiple Airlines
Mon 19/1008:01
FCA
-
LHR
2 stops29h 19m
Multiple Airlines
Deal found 29/7£735
Sat 31/1014:45
LHR
-
FCA
1 stop34h 09m
Alaska Airlines
Mon 2/1118:34
FCA
-
LHR
1 stop34h 46m
Alaska Airlines
Deal found 29/7£793
Wed 14/1017:00
LHR
-
FCA
1 stop12h 59m
Alaska Airlines
Mon 19/1019:45
FCA
-
LHR
1 stop12h 20m
Alaska Airlines
Deal found 29/7£800
Wed 14/1011:45
LHR
-
FCA
2 stops18h 12m
Virgin Atlantic
Mon 19/1015:36
FCA
-
LHR
1 stop11h 44m
Virgin Atlantic
Deal found 29/7£811
Sun 13/916:25
LHR
-
FCA
1 stop26h 39m
Multiple Airlines
Sun 20/915:26
FCA
-
LHR
1 stop34h 39m
Multiple Airlines
Deal found 29/7£884
Sun 13/914:10
LHR
-
FCA
2 stops28h 54m
Iberia
Sun 20/915:26
FCA
-
LHR
1 stop34h 39m
Iberia
Deal found 29/7£895
Sun 13/910:45
LHR
-
FCA
2 stops19h 58m
Delta
Sun 20/906:35
FCA
-
LHR
2 stops19h 25m
Delta
Deal found 29/7£900
Sat 24/1010:55
LHR
-
FCA
1 stop19h 02m
Virgin Atlantic
Sat 31/1012:31
FCA
-
LHR
2 stops61h 34m
Virgin Atlantic
Deal found 3/8£903

Find flight deals from Heathrow to Kalispell

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Kalispell (FCA). 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 3 August 2026.

Round-trip from

£735

One-way from

£550
14/10-19/10
  • 14/10-19/10
  • 4 total stops
  • 46h 13m total
  • London to Kalispell
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 1/10
  • 1 total stop
  • 12h 56m total
  • London to Kalispell
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Kalispell 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 3 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Kalispell that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Wed 14/10

13:05-22:59

2 stops16h 54m

Kalispell Glacier Park

Mon 19/10

08:01-20:20

2 stops29h 19m

£735

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Sat 31/10

14:45-18:54

1 stop34h 09m

Kalispell Glacier Park

Mon 2/11

18:34-12:20

1 stop34h 46m

£793
Fastest return journey

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Wed 14/10

17:00-22:59

1 stop12h 59m

Kalispell Glacier Park

Mon 19/10

19:45-15:05

1 stop12h 20m

£800

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Wed 14/10

11:45-22:57

2 stops18h 12m

Kalispell Glacier Park

Mon 19/10

15:36-10:20

1 stop11h 44m

£811

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Sun 13/9

14:10-12:04

2 stops28h 54m

Kalispell Glacier Park

Sun 20/9

15:26-09:05

1 stop34h 39m

£895

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Sun 13/9

10:45-23:43

2 stops19h 58m

Kalispell Glacier Park

Sun 20/9

06:35-09:00

2 stops19h 25m

£900

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Sat 24/10

10:55-22:57

1 stop19h 02m

Kalispell Glacier Park

Sat 31/10

12:31-08:05

2 stops61h 34m

£903
Cheapest one-way
Fastest single journey

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Thu 1/10

17:00-22:56

1 stop12h 56m

£554

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Thu 1/10

08:40-23:43

2 stops22h 03m

£576

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Thu 1/10

06:40-23:43

3 stops24h 03m

£2,266

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Sorted by cheapest first

Best time to book a flight from Heathrow to Kalispell

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

What’s the top stopover airport for flights from London Heathrow Airport to Kalispell?

Share of one-stop return flights from London Heathrow Airport to Kalispell chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Salt Lake City (SLC) – chosen by Cheapflights users on 33% of one-stop itineraries from London Heathrow Airport to Kalispell on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Kalispell?

Average return fare for one-stop flights from London Heathrow Airport to Kalispell, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Seattle (SEA) is the most affordable one-stop option, with an average return flight price of £855.

What’s the fastest stopover option from London Heathrow Airport to Kalispell?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Kalispell, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for one-stop routes: 13h 40m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Kalispell?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Kalispell, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 21m.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Kalispell. 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 into for flights to Kalispell from London Heathrow?

    Most people fly into Kalispell Glacier Park (FCA) if they book a flight to Kalispell from London Heathrow. On average, Glacier Park has 0 inbound flights from London Heathrow per day from 0 airlines. Kalispell Glacier Park is conveniently located just 8.4 mi from Kalispell’s city center.

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

    A quick flight from London Heathrow Airport to Kalispell can take about 34h 09m. Alaska Airlines provides one of the quickest options available for as low as £793. The distance between London Heathrow Airport and Kalispell is about 4512 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Kalispell by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Heathrow to Kalispell

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Kalispell. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Kalispell for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Kalispell from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kalispell from Heathrow today and book when prices fit your budget.

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