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

Currently priced at £536, Delta will fly you from Kalispell to London Heathrow Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Virgin Atlantic - these airlines can fly you to your destination from £579 and £762, respectively. You may be able to fly from Kalispell to London Heathrow Airport for 19% less than the average price by searching for these airlines.

What is the cheapest month to book a flight from Kalispell to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Kalispell to London Heathrow Airport (average of £112). Flying from Kalispell to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FCA to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kalispell to London Heathrow Airport as you normally would.

What airport do you fly from for flights from Kalispell to London Heathrow?

Located just 8.4 mi from the city center, Kalispell Glacier Park is the airport most travelers will use when flying to London Heathrow from Kalispell. Booking flights from Glacier Park (FCA) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

Can I find deals for flights from Kalispell to Heathrow that include hotel bookings?

Yes. In addition to deals on Kalispell to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Kalispell to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Heathrow.

Can I find deals for business class flights from Kalispell to Heathrow?

Yes. Cheapflights offers flight deals from Kalispell to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£536+ Flights from Kalispell to London Heathrow Airport

Cheap flight deals from Kalispell to Heathrow

Round-trip from	£536
Popular in	May
Cheapest in	November
Average price	£533

Delta
2/9-15/10
2 total stops
35h 10m total
Kalispell to London

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£67 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Kalispell to Heathrow

Cheapest flights from Kalispell to Heathrow
Explore the most affordable flight options available from Kalispell to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Tue 2/905:25FCA - LHR

1 stop21h 25mDelta

Wed 15/1011:00LHR - FCA

1 stop13h 45mDelta

Deal found 16/4£536

Tue 2/906:31FCA - LHR

2 stops18h 09mUnited Airlines

Wed 15/1014:05LHR - FCA

2 stops38h 35mUnited Airlines

Deal found 16/4£579

Mon 28/418:40FCA - LHR

2 stops34h 15mMultiple Airlines

Sat 3/521:25LHR - FCA

2 stops51h 35mMultiple Airlines

Deal found 17/4£674

Mon 28/412:32FCA - LHR

1 stop14h 18mVirgin Atlantic

Sun 4/510:55LHR - FCA

1 stop20h 27mVirgin Atlantic

Deal found 17/4£762

Mon 16/614:55FCA - LHR

1 stop15h 15mKLM

Mon 23/611:45LHR - FCA

2 stops19h 09mKLM

Deal found 16/4£1,005

Tue 20/518:32FCA - LHR

1 stop29h 18mBritish Airways

Tue 10/609:25LHR - FCA

1 stop21h 33mBritish Airways

Deal found 16/4£1,750

Best flights from Kalispell to Heathrow
Discover carefully curated flight deals from Kalispell to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 April 2025.

Tue 2/905:25FCA - LHR

1 stop21h 25mDelta

Wed 15/1011:00LHR - FCA

1 stop13h 45mDelta

Deal found 16/4£536

Tue 2/906:31FCA - LHR

2 stops18h 09mUnited Airlines

Wed 15/1014:05LHR - FCA

2 stops38h 35mUnited Airlines

Deal found 16/4£579

Mon 28/418:40FCA - LHR

2 stops34h 15mMultiple Airlines

Sat 3/521:25LHR - FCA

2 stops51h 35mMultiple Airlines

Deal found 17/4£674

Mon 28/412:32FCA - LHR

1 stop14h 18mVirgin Atlantic

Sun 4/510:55LHR - FCA

1 stop20h 27mVirgin Atlantic

Deal found 17/4£762

Mon 16/614:55FCA - LHR

1 stop15h 15mKLM

Mon 23/611:45LHR - FCA

2 stops19h 09mKLM

Deal found 16/4£1,005

Tue 20/518:32FCA - LHR

1 stop29h 18mBritish Airways

Tue 10/609:25LHR - FCA

1 stop21h 33mBritish Airways

Deal found 16/4£1,750

Last-minute flights from Kalispell to Heathrow
Discover last-minute flight deals from Kalispell to Heathrow. Data last updated 17 April 2025 and is based on user searches.

Mon 28/418:40FCA - LHR

2 stops34h 15mMultiple Airlines

Sat 3/521:25LHR - FCA

2 stops51h 35mMultiple Airlines

Deal found 17/4£674

Mon 28/414:28FCA - LHR

1 stop12h 12mUnited Airlines

Sun 4/514:05LHR - FCA

2 stops30h 26mUnited Airlines

Deal found 17/4£745

Mon 28/412:32FCA - LHR

1 stop14h 18mVirgin Atlantic

Sun 4/510:55LHR - FCA

1 stop20h 27mVirgin Atlantic

Deal found 17/4£762

Mon 28/412:32FCA - LHR

1 stop14h 18mDelta

Sat 3/510:55LHR - FCA

1 stop19h 26mDelta

Deal found 17/4£1,377

Tue 20/518:32FCA - LHR

1 stop29h 18mBritish Airways

Tue 10/609:25LHR - FCA

1 stop21h 33mBritish Airways

Deal found 16/4£1,750

Cheapflights 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

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 2/9

05:25-09:50

1 stop21h 25m

London Heathrow

Wed 15/10

11:00-17:45

1 stop13h 45m

£536

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 2/9

06:31-07:40

2 stops18h 09m

London Heathrow

Wed 15/10

14:05-21:40

2 stops38h 35m

£579

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 28/4

18:40-11:55

2 stops34h 15m

London Heathrow

Sat 3/5

21:25-18:00

2 stops51h 35m

£674

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 28/4

12:32-09:50

1 stop14h 18m

London Heathrow

Sun 4/5

10:55-00:22

1 stop20h 27m

£762

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Mon 16/6

14:55-13:10

1 stop15h 15m

London Heathrow

Mon 23/6

11:45-23:54

2 stops19h 09m

£1,005

KalispellLondon

FCA - LHR

FCALHR

Kalispell Glacier Park

Tue 20/5

18:32-06:50

1 stop29h 18m

London Heathrow

Tue 10/6

09:25-23:58

1 stop21h 33m

£1,750

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Best time to book a flight from Kalispell to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Kalispell 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 Kalispell to London Heathrow Airport

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,916 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,329 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,665 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways

6.6

Okay

6,767 reviews

Delta

8.0

Very Good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Kalispell to London Heathrow?
Located just 8.4 mi from the city center, Kalispell Glacier Park is the airport most travelers will use when flying to London Heathrow from Kalispell. Booking flights from Glacier Park (FCA) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.
What are the cheapest airlines flying from Kalispell to London Heathrow Airport round-trip?
Currently priced at £536, Delta will fly you from Kalispell to London Heathrow Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Virgin Atlantic - these airlines can fly you to your destination from £579 and £762, respectively. You may be able to fly from Kalispell to London Heathrow Airport for 19% less than the average price by searching for these airlines.
Can I find deals for flights from Kalispell to Heathrow that include hotel bookings?
Yes. In addition to deals on Kalispell to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Kalispell to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Heathrow.
Can I find deals for business class flights from Kalispell to Heathrow?
Yes. Cheapflights offers flight deals from Kalispell to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Kalispell to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Kalispell to London Heathrow Airport (average of £112). Flying from Kalispell to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Wembley

Northampton

Hayes

Crawley

Southend-on-Sea

Maidstone

Swindon

Ipswich

Southall

Ilford

Winchester

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Kalispell to Heathrow?

When you search for this flight from Kalispell to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Kalispell to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Kalispell to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Kalispell to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Kalispell to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Kalispell to Heathrow become cheaper?

Yes! Start tracking prices for Kalispell to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Kalispell to London Heathrow Airport from £536

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Kalispell to Heathrow

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Kalispell to Heathrow

Cheapest flights from Kalispell to HeathrowExplore the most affordable flight options available from Kalispell to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Explore the most affordable flight options available from Kalispell to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Kalispell to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Kalispell with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kalispell to London Heathrow Airport

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Heathrow. 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 from for flights from Kalispell to London Heathrow?

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

Can I find deals for flights from Kalispell to Heathrow that include hotel bookings?

How can I find direct flights from Kalispell to Heathrow?

Can I find deals for business class flights from Kalispell to Heathrow?

What is the cheapest month to book a flight from Kalispell to London Heathrow Airport?

Travelling to a place near Kalispell?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kalispell to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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 Kalispell to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Kalispell to Heathrow?

Can Cheapflights find flights from Kalispell to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Kalispell to Heathrow become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Kalispell to Heathrow
Explore the most affordable flight options available from Kalispell to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.