Which layover airport offers the lowest fares from Kalispell to London?

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $800.

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

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Kalispell Glacier Park to London

Which airport is the most popular layover for flights between Kalispell and London?

Salt Lake City (SLC) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Kalispell to London?

Salt Lake City (SLC) has the shortest average layover time for this route: 2h 56m.

Which layover airport has the shortest travel time from Kalispell to London?

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 13h 15m.

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

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

How many operators does momondo search for flights from Kalispell Glacier Park Airport to London?

As of May 2026, there is 1 operator available to choose from for flights from Kalispell Glacier Park Airport to London.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to London.

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

The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$334 Cheap Flights from Kalispell to London in 2026

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Find the cheapest flights from Kalispell to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:14 pm - 1:05 pm

FCA

LHR

14h 51m

1 stop

6:30 am - 11:51 pm

LHR

FCA

24h 21m

2 stops

$878Delta

Wed, Aug 19 - Wed, Aug 26

3:00 pm - 1:05 pm

FCA

LHR

15h 05m

1 stop

6:30 am - 11:07 pm

LHR

FCA

23h 37m

2 stops

$879KLM

Tue, Sep 29 - Tue, Oct 6

3:00 pm - 1:05 pm

FCA

LHR

15h 05m

1 stop

9:55 am - 11:07 pm

LHR

FCA

20h 12m

2 stops

$880KLM

Tue, Sep 29 - Wed, Oct 7

12:02 pm - 1:15 pm

FCA

LHR

18h 13m

2 stops

6:30 am - 11:51 pm

LHR

FCA

24h 21m

2 stops

$882Delta

Wed, Aug 19 - Wed, Aug 26

6:20 am - 7:10 am

FCA

LHR

17h 50m

2 stops

6:30 am - 11:51 pm

LHR

FCA

24h 21m

2 stops

$883Delta

Wed, Aug 19 - Wed, Aug 26

5:25 am - 6:25 am

FCA

LHR

18h 00m

2 stops

6:30 am - 5:45 pm

LHR

FCA

18h 15m

2 stops

$884Delta

Tue, Sep 29 - Tue, Oct 6

6:31 am - 9:40 am

FCA

LHR

21h 09m

1 stop

11:10 am - 1:33 pm

LHR

FCA

33h 23m

2 stops

$885United Airlines

Tue, Oct 27 - Tue, Dec 8

5:25 am - 9:20 am

FCA

LHR

21h 55m

2 stops

11:45 am - 12:29 pm

LHR

FCA

31h 44m

2 stops

$888Delta

Tue, Oct 27 - Fri, Dec 4

6:59 am - 9:00 am

FCA

LHR

19h 01m

2 stops

6:30 am - 5:45 pm

LHR

FCA

18h 15m

2 stops

$889Delta

Wed, Sep 30 - Tue, Oct 6

6:31 am - 9:40 am

FCA

LHR

20h 09m

1 stop

4:40 pm - 9:30 pm

LHR

FCA

35h 50m

2 stops

$890United Airlines

Sun, Nov 1 - Wed, Dec 2

United Airlines flights from Kalispell to London

Our best United Airlines deals on Kalispell to London flight tickets

United Airlines

Oct 27

FCA6:31 amKalispell Glacier Park

21h 09m

1 stop

LHR9:40 amLondon Heathrow

Dec 8

LHR11:10 amLondon Heathrow

33h 23m

2 stops

FCA1:33 pmKalispell Glacier Park

$885

United Airlines

Nov 1

FCA6:31 amKalispell Glacier Park

20h 09m

1 stop

LHR9:40 amLondon Heathrow

Dec 2

LHR4:40 pmLondon Heathrow

35h 50m

2 stops

FCA9:30 pmKalispell Glacier Park

$890

United Airlines

Sep 29

FCA4:17 pmKalispell Glacier Park

22h 08m

2 stops

LHR9:25 pmLondon Heathrow

Oct 8

LHR7:30 amLondon Heathrow

20h 57m

2 stops

FCA9:27 pmKalispell Glacier Park

$895

Delta flights from Kalispell to London

Our best Delta deals on Kalispell to London flight tickets

Delta

Aug 19

FCA3:14 pmKalispell Glacier Park

14h 51m

1 stop

LHR1:05 pmLondon Heathrow

Aug 26

LHR6:30 amLondon Heathrow

24h 21m

2 stops

FCA11:51 pmKalispell Glacier Park

$878

Delta

Aug 19

FCA5:10 amKalispell Glacier Park

19h 00m

2 stops

LHR7:10 amLondon Heathrow

Aug 26

LHR6:30 amLondon Heathrow

24h 21m

2 stops

FCA11:51 pmKalispell Glacier Park

$882

Delta

Aug 19

FCA6:20 amKalispell Glacier Park

17h 50m

2 stops

LHR7:10 amLondon Heathrow

Aug 26

LHR6:30 amLondon Heathrow

24h 21m

2 stops

FCA11:51 pmKalispell Glacier Park

$883

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 8/19

3:14 pm-1:05 pm

1 stop14h 51m

London Heathrow

Wed 8/26

6:30 am-11:51 pm

2 stops24h 21m

$878

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 9/29

3:00 pm-1:05 pm

1 stop15h 05m

London Heathrow

Tue 10/6

6:30 am-11:07 pm

2 stops23h 37m

$879

Quickest round-trip

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 9/29

3:00 pm-1:05 pm

1 stop15h 05m

London Heathrow

Wed 10/7

9:55 am-11:07 pm

2 stops20h 12m

$880

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 8/19

12:02 pm-1:15 pm

2 stops18h 13m

London Heathrow

Wed 8/26

6:30 am-11:51 pm

2 stops24h 21m

$882

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 8/19

6:20 am-7:10 am

2 stops17h 50m

London Heathrow

Wed 8/26

6:30 am-11:51 pm

2 stops24h 21m

$883

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 9/29

5:25 am-6:25 am

2 stops18h 00m

London Heathrow

Tue 10/6

6:30 am-5:45 pm

2 stops18h 15m

$884

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 10/27

6:31 am-9:40 am

1 stop21h 09m

London Heathrow

Tue 12/8

11:10 am-1:33 pm

2 stops33h 23m

$885

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 10/27

5:25 am-9:20 am

2 stops21h 55m

London Heathrow

Fri 12/4

11:45 am-12:29 pm

2 stops31h 44m

$888

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Wed 9/30

6:59 am-9:00 am

2 stops19h 01m

London Heathrow

Tue 10/6

6:30 am-5:45 pm

2 stops18h 15m

$889

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Sun 11/1

6:31 am-9:40 am

1 stop20h 09m

London Heathrow

Wed 12/2

4:40 pm-9:30 pm

2 stops35h 50m

$890

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kalispell to London

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

Prices

Airlines

Layovers

Can stopping save me money on Kalispell to London flights?

You could potentially save up to 42% on your flight if you consider stops on a Kalispell to London flight.

When to book flights from Kalispell to London

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

Estimated round-trip price

Cheap Kalispell to London (FCA to LON) flight deals and tips

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

Fastest flight time	12h 07m
Direct flights	None

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

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

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Frequently asked questions about flying from Kalispell to London

How far is Kalispell Glacier Park to London by plane?
There are 4528.3 mi between Kalispell Glacier Park and London. In terms of flight time, this usually takes a little over 12h 07m.
When did momondo last update prices for flights from Kalispell Glacier Park Airport to London?
Prices for flights from Kalispell Glacier Park Airport to London refresh daily.
How many operators does momondo search for flights from Kalispell Glacier Park Airport to London?
As of May 2026, there is 1 operator available to choose from for flights from Kalispell Glacier Park Airport to London.
How old do you have to be to fly from Kalispell Glacier Park Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Kalispell to London

Compare and see reviews for airlines that fly from Kalispell to London with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $733	Free Cancellation	Rating 7.4 9,730 reviews		Search United Airlines flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Cobham

Folkestone

Romford

Uxbridge

Guildford

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. momondo enables you to select and highlight flights to London from Kalispell with this policy.

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

Once all potential Kalispell to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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Cheap flights from Kalispell to London from $334

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 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Kalispell to London

Can stopping save me money on Kalispell to London flights?

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

Which airport is the most popular layover for flights between Kalispell and London?

Which layover airport offers the lowest fares from Kalispell to London?

Which layover airport has the shortest travel time from Kalispell to London?

Which layover airport has the shortest connection time from Kalispell to London?

When to book flights from Kalispell to London

Cheap Kalispell to London (FCA to LON) flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Kalispell to London

Best airlines flying from Kalispell to London

Compare and see reviews for airlines that fly from Kalispell to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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