When did momondo last update prices for flights from Kalispell Glacier Park Airport to London Heathrow Airport?

Prices for flights from Kalispell Glacier Park Airport to London Heathrow Airport refresh daily.

How old do you have to be to fly from Kalispell Glacier Park Airport to London Heathrow Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kalispell Glacier Park Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£250 Cheap Flights from Kalispell to London Heathrow Airport in 2026

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Find the cheapest flights from Kalispell to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:14 - 13:05

FCA

LHR

14h 51m

1 stop

06:30 - 23:51

LHR

FCA

24h 21m

2 stops

£658Delta

Wed, 19 Aug - Wed, 26 Aug

05:25 - 11:00

FCA

LHR

22h 35m

1 stop

06:30 - 17:45

LHR

FCA

18h 15m

2 stops

£658Delta

Tue, 29 Sep - Tue, 6 Oct

15:00 - 13:05

FCA

LHR

15h 05m

1 stop

09:55 - 23:07

LHR

FCA

20h 12m

2 stops

£659Delta

Tue, 29 Sep - Wed, 7 Oct

05:10 - 07:10

FCA

LHR

19h 00m

2 stops

06:30 - 23:51

LHR

FCA

24h 21m

2 stops

£661Delta

Wed, 19 Aug - Wed, 26 Aug

06:20 - 07:10

FCA

LHR

17h 50m

2 stops

06:30 - 23:51

LHR

FCA

24h 21m

2 stops

£661Delta

Wed, 19 Aug - Wed, 26 Aug

05:25 - 06:25

FCA

LHR

18h 00m

2 stops

06:30 - 17:45

LHR

FCA

18h 15m

2 stops

£662Delta

Tue, 29 Sep - Tue, 6 Oct

06:31 - 09:40

FCA

LHR

21h 09m

1 stop

11:10 - 13:33

LHR

FCA

33h 23m

2 stops

£663United Airlines

Tue, 27 Oct - Tue, 8 Dec

15:14 - 13:05

FCA

LHR

14h 51m

1 stop

08:55 - 23:51

LHR

FCA

21h 56m

2 stops

£664Delta

Wed, 19 Aug - Wed, 26 Aug

05:25 - 09:20

FCA

LHR

21h 55m

2 stops

11:45 - 12:29

LHR

FCA

31h 44m

2 stops

£665Delta

Tue, 27 Oct - Fri, 4 Dec

06:59 - 09:00

FCA

LHR

19h 01m

2 stops

06:30 - 17:45

LHR

FCA

18h 15m

2 stops

£666Delta

Wed, 30 Sep - Tue, 6 Oct

Delta flights from Kalispell to London Heathrow Airport

Our best Delta deals on Kalispell to London Heathrow Airport flight tickets

Delta

19 Aug

FCA15:14Kalispell Glacier Park

14h 51m

1 stop

LHR13:05London Heathrow

26 Aug

LHR06:30London Heathrow

24h 21m

2 stops

FCA23:51Kalispell Glacier Park

£658

Delta

29 Sept

FCA05:25Kalispell Glacier Park

22h 35m

1 stop

LHR11:00London Heathrow

6 Oct

LHR06:30London Heathrow

18h 15m

2 stops

FCA17:45Kalispell Glacier Park

£658

Delta

29 Sept

FCA15:00Kalispell Glacier Park

15h 05m

1 stop

LHR13:05London Heathrow

7 Oct

LHR09:55London Heathrow

20h 12m

2 stops

FCA23:07Kalispell Glacier Park

£659

United Airlines flights from Kalispell to London Heathrow Airport

Our best United Airlines deals on Kalispell to London Heathrow Airport flight tickets

United Airlines

27 Oct

FCA06:31Kalispell Glacier Park

21h 09m

1 stop

LHR09:40London Heathrow

8 Dec

LHR11:10London Heathrow

33h 23m

2 stops

FCA13:33Kalispell Glacier Park

£663

United Airlines

1 Nov

FCA06:31Kalispell Glacier Park

20h 09m

1 stop

LHR09:40London Heathrow

2 Dec

LHR16:40London Heathrow

35h 50m

2 stops

FCA21:30Kalispell Glacier Park

£667

United Airlines

29 Sept

FCA16:17Kalispell Glacier Park

22h 08m

2 stops

LHR21:25London Heathrow

8 Oct

LHR07:30London Heathrow

20h 57m

2 stops

FCA21:27Kalispell Glacier Park

£670

momondo Fare Finder

Use the filters below to find and compare flights from Kalispell to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 19/8

15:14-13:05

1 stop14h 51m

London Heathrow

Wed 26/8

06:30-23:51

2 stops24h 21m

£658

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 29/9

05:25-11:00

1 stop22h 35m

London Heathrow

Tue 6/10

06:30-17:45

2 stops18h 15m

£658

Fastest return journey

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 29/9

15:00-13:05

1 stop15h 05m

London Heathrow

Wed 7/10

09:55-23:07

2 stops20h 12m

£659

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 19/8

05:10-07:10

2 stops19h 00m

London Heathrow

Wed 26/8

06:30-23:51

2 stops24h 21m

£661

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 19/8

06:20-07:10

2 stops17h 50m

London Heathrow

Wed 26/8

06:30-23:51

2 stops24h 21m

£661

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 29/9

05:25-06:25

2 stops18h 00m

London Heathrow

Tue 6/10

06:30-17:45

2 stops18h 15m

£662

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 27/10

06:31-09:40

1 stop21h 09m

London Heathrow

Tue 8/12

11:10-13:33

2 stops33h 23m

£663

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 19/8

15:14-13:05

1 stop14h 51m

London Heathrow

Wed 26/8

08:55-23:51

2 stops21h 56m

£664

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 27/10

05:25-09:20

2 stops21h 55m

London Heathrow

Fri 4/12

11:45-12:29

2 stops31h 44m

£665

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 30/9

06:59-09:00

2 stops19h 01m

London Heathrow

Tue 6/10

06:30-17:45

2 stops18h 15m

£666

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kalispell to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Kalispell Glacier Park to London Heathrow?

United Airlines is the most popular carrier operating from Kalispell Glacier Park to London Heathrow

When to book flights from Kalispell to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Kalispell to London Heathrow Airport (FCA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to London Heathrow Airport

Fastest flight time	12h 07m
Direct flights	None

The fastest flight from Kalispell to London Heathrow Airport takes 12h 07m

There are no direct flights from Kalispell to London Heathrow Airport. There are no popular flight routes from Kalispell to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Kalispell to London Heathrow Airport

How far is Kalispell Glacier Park to London Heathrow by plane?
London Heathrow is 4520.2 mi away from Kalispell Glacier Park. By plane, this route typically takes 12h 07m.
When did momondo last update prices for flights from Kalispell Glacier Park Airport to London Heathrow Airport?
Prices for flights from Kalispell Glacier Park Airport to London Heathrow Airport refresh daily.
How old do you have to be to fly from Kalispell Glacier Park Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kalispell Glacier Park Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Eastbourne

Milton Keynes

Luton

Gatwick

Stratford-upon-Avon

Wembley

Slough

Maidstone

Northampton

Swindon

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Poole

Folkestone

Chelmsford

Dover

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kalispell to London. momondo saves you time and could save you money on your trip.

Can I find flights from Kalispell to London with flexible booking policies on momondo?

Yes. All flights to London from Kalispell on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kalispell to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Kalispell.

I’m not ready to book a flight from Kalispell to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Kalispell and alert you when they change.