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Cheap flights from Kalispell to London from £298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to London departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Kalispell to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
14:42 - 07:30
FCA
-
LHR
57h 48m2 stops
United Airlines Logo
18:00 - 13:34
LHR
-
FCA
50h 34m2 stops
£481United Airlines
Wed, 4 Feb - Sat, 14 Feb
United Airlines Logo
13:40 - 12:00
FCA
-
LHR
15h 20m1 stop
United Airlines Logo
11:35 - 21:59
LHR
-
FCA
17h 24m1 stop
£490United Airlines
Fri, 23 Jan - Tue, 27 Jan
United Airlines Logo
06:00 - 07:55
FCA
-
LHR
18h 55m2 stops
United Airlines Logo
09:10 - 21:59
LHR
-
FCA
19h 49m2 stops
£493United Airlines
Fri, 23 Jan - Tue, 27 Jan
United Airlines Logo
06:31 - 12:20
FCA
-
LHR
22h 49m1 stop
United Airlines Logo
10:50 - 21:30
LHR
-
FCA
41h 40m2 stops
£652United Airlines
Fri, 1 May - Mon, 11 May
United Airlines Logo
14:29 - 10:00
FCA
-
LHR
36h 31m2 stops
United Airlines Logo
10:50 - 21:30
LHR
-
FCA
41h 40m2 stops
£654United Airlines
Fri, 1 May - Mon, 11 May
Multiple Airlines Logo
15:00 - 13:10
FCA
-
LHR
15h 10m1 stop
Multiple Airlines Logo
19:45 - 17:42
LHR
-
FCA
28h 57m2 stops
£659Multiple Airlines
Thu, 23 Apr - Mon, 4 May
Multiple Airlines Logo
11:59 - 14:15
FCA
-
LHR
19h 16m2 stops
Multiple Airlines Logo
19:45 - 17:42
LHR
-
FCA
28h 57m2 stops
£662Multiple Airlines
Thu, 23 Apr - Mon, 4 May
Delta Logo
05:25 - 08:55
FCA
-
LHR
20h 30m2 stops
Delta Logo
17:35 - 17:42
LHR
-
FCA
31h 07m2 stops
£684Delta
Thu, 23 Apr - Mon, 4 May
United Airlines Logo
06:31 - 12:20
FCA
-
LHR
22h 49m1 stop
United Airlines Logo
11:25 - 21:30
LHR
-
FCA
17h 05m1 stop
£703United Airlines
Thu, 23 Apr - Mon, 4 May
KLM Logo
13:35 - 09:50
FCA
-
LHR
13h 15m1 stop
KLM Logo
10:55 - 23:02
LHR
-
FCA
19h 07m1 stop
£729KLM
Wed, 20 May - Tue, 26 May

British Airways flights from Kalispell to London Heathrow Airport

Our best British Airways deals on Kalispell to London Heathrow Airport flight tickets
British Airways
23 Apr
FCA18:42Kalispell Glacier Park
12h 03m
1 stop
LHR13:45London Heathrow
4 May
LHR16:30London Heathrow
14h 28m
1 stop
FCA23:58Kalispell Glacier Park
£1,505
Find similar
British Airways
23 Apr
FCA18:42Kalispell Glacier Park
12h 03m
1 stop
LHR13:45London Heathrow
4 May
LHR18:10London Heathrow
36h 48m
2 stops
FCA23:58Kalispell Glacier Park
£1,518
Find similar

United Airlines flights from Kalispell to London Heathrow Airport

Our best United Airlines deals on Kalispell to London Heathrow Airport flight tickets
United Airlines
4 Feb
FCA14:42Kalispell Glacier Park
57h 48m
2 stops
LHR07:30London Heathrow
14 Feb
LHR18:00London Heathrow
50h 34m
2 stops
FCA13:34Kalispell Glacier Park
£481
Find similar
United Airlines
23 Jan
FCA13:40Kalispell Glacier Park
15h 20m
1 stop
LHR12:00London Heathrow
27 Jan
LHR11:35London Heathrow
17h 24m
1 stop
FCA21:59Kalispell Glacier Park
£490
Find similar
United Airlines
23 Jan
FCA06:00Kalispell Glacier Park
18h 55m
2 stops
LHR07:55London Heathrow
27 Jan
LHR11:35London Heathrow
17h 24m
1 stop
FCA21:59Kalispell Glacier Park
£493
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Kalispell to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 12 December 2025.
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

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/2

14:42-07:30

2 stops57h 48m

London Heathrow

Sat 14/2

18:00-13:34

2 stops50h 34m

£481

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 23/1

13:40-12:00

1 stop15h 20m

London Heathrow

Tue 27/1

11:35-21:59

1 stop17h 24m

£490

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 23/1

06:00-07:55

2 stops18h 55m

London Heathrow

Tue 27/1

09:10-21:59

2 stops19h 49m

£493

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 1/5

06:31-12:20

1 stop22h 49m

London Heathrow

Mon 11/5

10:50-21:30

2 stops41h 40m

£652

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Fri 1/5

14:29-10:00

2 stops36h 31m

London Heathrow

Mon 11/5

10:50-21:30

2 stops41h 40m

£654

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 23/4

15:00-13:10

1 stop15h 10m

London Heathrow

Mon 4/5

19:45-17:42

2 stops28h 57m

£659

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 23/4

11:59-14:15

2 stops19h 16m

London Heathrow

Mon 4/5

19:45-17:42

2 stops28h 57m

£662

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 23/4

05:25-08:55

2 stops20h 30m

London Heathrow

Mon 4/5

17:35-17:42

2 stops31h 07m

£684

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Thu 23/4

06:31-12:20

1 stop22h 49m

London Heathrow

Mon 4/5

11:25-21:30

1 stop17h 05m

£703

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 20/5

13:35-09:50

1 stop13h 15m

London Heathrow

Tue 26/5

10:55-23:02

1 stop19h 07m

£729

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to London from

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 typical price of a round-trip flight between Kalispell and London Heathrow Airport?

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 20m

Direct flights

None
The fastest flight from Kalispell to London Heathrow Airport takes 12h 20m
There are no direct flights from Kalispell to London Heathrow Airport. There are no popular flight routes from Kalispell to London Heathrow Airport.
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  • 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 20m.

  • 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Stratford-upon-Avon
Canterbury
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Hayes
Chelmsford
Dover
Worthing

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.

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