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Cheap flights from London Heathrow Airport to Kalispell from £631

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — FCA
3 Jun — 10 Jun1
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 4 May 2026.

Thu 5/1114:45
LHR
-
FCA
1 stop16h 14m
Alaska Airlines
Mon 9/1114:10
FCA
-
LHR
1 stop15h 10m
Alaska Airlines
Deal found 29/4£846
Thu 5/1111:35
LHR
-
FCA
1 stop16h 55m
United Airlines
Mon 9/1106:31
FCA
-
LHR
2 stops21h 19m
United Airlines
Deal found 29/4£971
Sat 27/610:55
LHR
-
FCA
1 stop19h 00m
Delta
Sat 4/705:19
FCA
-
LHR
1 stop21h 41m
Delta
Deal found 2/5£973
Fri 24/718:35
LHR
-
FCA
2 stops24h 10m
Delta
Mon 27/712:22
FCA
-
LHR
1 stop14h 38m
Delta
Deal found 3/5£1,033
Fri 24/715:15
LHR
-
FCA
1 stop28h 23m
Multiple Airlines
Mon 27/715:51
FCA
-
LHR
1 stop13h 59m
Multiple Airlines
Deal found 3/5£1,036

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 4 May 2026.

Round-trip from

£973

One-way from

£631

Popular in

August

Cheapest in

February

Average price

£661
Delta
  • Delta
  • 27/6-4/7
  • 2 total stops
  • 40h 41m total
  • London to Kalispell
Search Deals
17/8
  • 17/8
  • 3 total stops
  • 35h 59m total
  • London to Kalispell
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£117 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 4 May 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

Sat 27/6

10:55-22:55

1 stop19h 00m

Kalispell Glacier Park

Sat 4/7

05:19-10:00

1 stop21h 41m

£973
Fastest return journey

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Fri 24/7

18:35-11:45

2 stops24h 10m

Kalispell Glacier Park

Mon 27/7

12:22-10:00

1 stop14h 38m

£1,033

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Fri 24/7

15:15-12:38

1 stop28h 23m

Kalispell Glacier Park

Mon 27/7

15:51-12:50

1 stop13h 59m

£1,036
Cheapest one-way

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Mon 17/8

19:00-23:59

3 stops35h 59m

£631

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Mon 17/8

08:40-23:51

2 stops22h 11m

£713
Fastest single journey

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Mon 17/8

17:00-23:59

1 stop13h 59m

£718

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Tue 9/6

21:25-10:48

2 stops44h 23m

£1,254

LondonKalispell

LHR - FCA

LHRFCA

London Heathrow

Tue 9/6

16:30-23:58

1 stop14h 28m

£3,017

Flights are sorted by cheapest return flights first.

Deals found on 3/5

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.

Denver (DEN) – chosen by Cheapflights users on 46% 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.

Minneapolis (MSP) is the most affordable one-stop option, with an average return flight price of £842.

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 Salt Lake City (SLC) have the shortest average one-way travel time for one-stop routes: 14h 01m.

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 39m.

Reviews of airlines servicing Kalispell

Get insights into the airlines that provide service to Kalispell. 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 Kalispell. Reviews last updated 4 May 2026.
See what other customers who have flown with United Airlines and Virgin Atlantic from London Heathrow Airport to Kalispell have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,682 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,682 reviews
United Airlines
7.4
Good
9,682 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,682 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 2 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 19h. Delta provides one of the quickest options available for as low as £973. The distance between London Heathrow Airport and Kalispell is about 4512 mi.

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

    Cheapflights users have booked flights from London Heathrow Airport to Kalispell round-trip from £622. Another airline that can offer you cheap pricing is United Airlines.

  • 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.
Heathrow to Bozeman flights
Gatwick to Bozeman flights
Heathrow to Missoula flights
Heathrow to Billings flights
London City to Bozeman flights

Top 2 airlines flying from Heathrow to Kalispell

Discover the top 2 airlines that operate flights from Heathrow to Kalispell. 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 858,174 searches. Data last updated 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£622Average£732FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£715Average£801FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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