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Cheap flights from Kalispell to London from £438

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 10/7. 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
14:41 - 09:40
FCA
-
LHR
11h 59m
1 stop
United Airlines Logo
11:35 - 21:57
LHR
-
FCA
16h 22m
1 stop
£486United Airlines
Sat, 7 Mar - Sat, 14 Mar
United Airlines Logo
14:41 - 09:40
FCA
-
LHR
11h 59m
1 stop
United Airlines Logo
15:20 - 11:53
LHR
-
FCA
26h 33m
2 stops
£489United Airlines
Sat, 7 Mar - Sat, 14 Mar
United Airlines Logo
13:28 - 13:30
FCA
-
LHR
17h 02m
2 stops
United Airlines Logo
10:05 - 22:52
LHR
-
FCA
18h 47m
2 stops
£563United Airlines
Sat, 7 Mar - Sat, 14 Mar
United Airlines Logo
14:41 - 09:40
FCA
-
LHR
12h 59m
1 stop
United Airlines Logo
06:55 - 13:31
LHR
-
FCA
37h 36m
2 stops
£565United Airlines
Wed, 25 Mar - Wed, 1 Apr
United Airlines Logo
06:00 - 15:50
FCA
-
LHR
27h 50m
2 stops
United Airlines Logo
07:25 - 13:31
LHR
-
FCA
37h 06m
2 stops
£580United Airlines
Wed, 25 Mar - Wed, 1 Apr
United Airlines Logo
14:41 - 09:40
FCA
-
LHR
12h 59m
1 stop
United Airlines Logo
14:50 - 21:27
LHR
-
FCA
13h 37m
1 stop
£582United Airlines
Wed, 25 Mar - Wed, 1 Apr
United Airlines Logo
14:41 - 09:40
FCA
-
LHR
11h 59m
1 stop
United Airlines Logo
11:35 - 21:57
LHR
-
FCA
16h 22m
1 stop
£632United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
06:00 - 09:40
FCA
-
LHR
20h 40m
1 stop
United Airlines Logo
11:35 - 21:57
LHR
-
FCA
16h 22m
1 stop
£633United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
14:41 - 09:40
FCA
-
LHR
11h 59m
1 stop
United Airlines Logo
13:35 - 11:53
LHR
-
FCA
28h 18m
2 stops
£635United Airlines
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
06:00 - 10:15
FCA
-
LHR
21h 15m
2 stops
United Airlines Logo
16:20 - 12:34
LHR
-
FCA
26h 14m
2 stops
£636United Airlines
Wed, 4 Mar - Sun, 8 Mar

Scandinavian Airlines flights from Kalispell to London Heathrow Airport

Our best Scandinavian Airlines deals on Kalispell to London Heathrow Airport flight tickets
Scandinavian Airlines
13 Jun
FCA13:35Kalispell Glacier Park
13h 25m
1 stop
LHR10:00London Heathrow
20 Jun
LHR12:25London Heathrow
18h 21m
1 stop
FCA23:46Kalispell Glacier Park
£931
Scandinavian Airlines
17 Jun
FCA13:35Kalispell Glacier Park
13h 25m
1 stop
LHR10:00London Heathrow
27 Jun
LHR12:25London Heathrow
18h 21m
1 stop
FCA23:46Kalispell Glacier Park
£932

United Airlines flights from Kalispell to London Heathrow Airport

Our best United Airlines deals on Kalispell to London Heathrow Airport flight tickets
United Airlines
7 Mar
FCA14:41Kalispell Glacier Park
11h 59m
1 stop
LHR09:40London Heathrow
14 Mar
LHR11:35London Heathrow
16h 22m
1 stop
FCA21:57Kalispell Glacier Park
£486
United Airlines
7 Mar
FCA14:41Kalispell Glacier Park
11h 59m
1 stop
LHR09:40London Heathrow
14 Mar
LHR15:20London Heathrow
26h 33m
2 stops
FCA11:53Kalispell Glacier Park
£489
United Airlines
7 Mar
FCA13:28Kalispell Glacier Park
17h 02m
2 stops
LHR13:30London Heathrow
14 Mar
LHR10:05London Heathrow
18h 47m
2 stops
FCA22:52Kalispell Glacier Park
£563

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 9 February 2026.
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

Sat 7/3

14:41-09:40

1 stop11h 59m

London Heathrow

Sat 14/3

11:35-21:57

1 stop16h 22m

£486

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sat 7/3

14:41-09:40

1 stop11h 59m

London Heathrow

Sat 14/3

15:20-11:53

2 stops26h 33m

£489

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sat 7/3

13:28-13:30

2 stops17h 02m

London Heathrow

Sat 14/3

10:05-22:52

2 stops18h 47m

£563

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 25/3

14:41-09:40

1 stop12h 59m

London Heathrow

Wed 1/4

06:55-13:31

2 stops37h 36m

£565

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 25/3

06:00-15:50

2 stops27h 50m

London Heathrow

Wed 1/4

07:25-13:31

2 stops37h 06m

£580

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 25/3

14:41-09:40

1 stop12h 59m

London Heathrow

Wed 1/4

14:50-21:27

1 stop13h 37m

£582

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/3

14:41-09:40

1 stop11h 59m

London Heathrow

Sun 8/3

11:35-21:57

1 stop16h 22m

£632

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/3

06:00-09:40

1 stop20h 40m

London Heathrow

Sun 8/3

11:35-21:57

1 stop16h 22m

£633

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/3

14:41-09:40

1 stop11h 59m

London Heathrow

Sun 8/3

13:35-11:53

2 stops28h 18m

£635

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 4/3

06:00-10:15

2 stops21h 15m

London Heathrow

Sun 8/3

16:20-12:34

2 stops26h 14m

£636

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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

Scandinavian 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 59m

Direct flights

None
The fastest flight from Kalispell to London Heathrow Airport takes 12h 59m
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

  • 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 59m.

  • 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
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Dover
Swanage
Folkestone

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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