How long is the flight from Huntsville to London Heathrow Airport?

United Airlines can get you from Huntsville to London Heathrow Airport in just under 19h 10m. Your travel time can differ by up to . Huntsville and London Heathrow Airport are separated by a distance of 4244 mi.

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.

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).

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

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

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

Huntsville (HSV) is the airport you will fly out of if you book a flight from Huntsville to London Heathrow. You should not have trouble finding flights to London Heathrow from Huntsville; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Huntsville airport to London Heathrow. It is only a 12.4 mi journey to Huntsville (HSV) from Huntsville’s city center.

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

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

How can I find direct flights from Huntsville to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Huntsville 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.

£251+ Cheap Flights from Huntsville to London Heathrow Airport

Cheap flight deals from Huntsville to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Huntsville to Heathrow
Explore the most affordable flight options available from Huntsville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Mon 9/1111:57 -

1 stop12h 53m

Tue 24/1110:05 -

1 stop17h 39m

Deal found 12/10£661

Mon 9/1113:35 -

2 stops13h 40m

Tue 24/1107:30 -

2 stops17h 08m

Deal found 12/10£686

Mon 9/1116:54 -

1 stop10h 06m

Tue 24/1106:30 -

2 stops15h 28m

Deal found 12/10£698

Wed 25/1111:07 -

1 stop17h 08m

Wed 2/1211:05 -

2 stops37h 46m

Deal found 11/10£699

Sun 8/1112:36 -

1 stop11h 49m

Tue 24/1110:00 -

2 stops19h 01m

Deal found 11/10£704

Sun 8/1115:02 -

2 stops12h 23m

Tue 24/1106:30 -

2 stops15h 28m

Deal found 11/10£708

Sun 8/1110:35 -

1 stop16h 00m

Tue 24/1113:50 -

1 stop16h 00m

Deal found 11/10£711

Mon 9/1106:20 -

3 stops18h 50m

Tue 24/1113:00 -

2 stops16h 44m

Deal found 12/10£716

Thu 26/1113:15 -

1 stop15h 35m

Thu 3/1209:00 -

2 stops18h 49m

Deal found 12/10£726

Thu 12/1106:20 -

1 stop19h 20m

Thu 19/1106:50 -

2 stops16h 54m

Deal found 13/10£727

Find flight deals from Huntsville to Heathrow

Round-trip from	£572
One-way from	£251
Popular in	June
Cheapest in	December
Average price	£705

United Airlines
23/2-25/2
3 total stops
37h 16m total
Huntsville to London

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United Airlines
23/3-31/12
2 total stops
18h 43m total
Huntsville to London

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£176 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Tue 23/3

11:07-10:50

2 stops18h 43m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£251

Fastest return journey

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Tue 23/3

16:19-10:00

1 stop12h 41m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£251

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Wed 31/3

07:30-11:55

1 stop22h 25m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£251

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Mon 2/11

08:40-07:40

1 stop17h 00m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£442

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Wed 10/2

13:23-06:40

1 stop11h 17m

London Heathrow

Mon 15/2

16:40-18:56

2 stops32h 16m

£674

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Wed 17/3

08:20-06:40

1 stop17h 20m

London Heathrow

Tue 23/3

07:30-23:12

2 stops20h 42m

£674

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Wed 25/11

11:07-10:15

1 stop17h 08m

London Heathrow

Wed 2/12

11:05-18:51

2 stops37h 46m

£699

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Thu 26/11

13:15-10:50

1 stop15h 35m

London Heathrow

Thu 3/12

09:00-21:49

2 stops18h 49m

£726

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Mon 8/2

17:45-10:50

1 stop11h 05m

London Heathrow

Sun 14/2

12:05-18:56

1 stop12h 51m

£728

HuntsvilleLondon

HSV Huntsville - LHR London Heathrow

HSVLHR

Huntsville

Tue 16/3

14:00-05:55

1 stop10h 55m

London Heathrow

Mon 22/3

10:25-21:49

1 stop16h 24m

£728

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 18 resultsSorted by cheapest first

Best time to book a flight from Huntsville to Heathrow

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

HSV-LHR

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 Huntsville to London Heathrow Airport

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

Currently, December is the cheapest month in which you can book a flight from Huntsville to London Heathrow Airport (average of £566). Flying from Huntsville to London Heathrow Airport in June is currently the most expensive (average of £1,175). 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.

Related info for your journey

What airport do you fly from for flights from Huntsville to London Heathrow?
Huntsville (HSV) is the airport you will fly out of if you book a flight from Huntsville to London Heathrow. You should not have trouble finding flights to London Heathrow from Huntsville; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Huntsville airport to London Heathrow. It is only a 12.4 mi journey to Huntsville (HSV) from Huntsville’s city center.
How long is the flight from Huntsville to London Heathrow Airport?
United Airlines can get you from Huntsville to London Heathrow Airport in just under 19h 10m. Your travel time can differ by up to . Huntsville and London Heathrow Airport are separated by a distance of 4244 mi.
Can I find deals for flights from Huntsville to Heathrow that include hotel bookings?
Yes. In addition to deals on Huntsville to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Huntsville to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Huntsville to Heathrow.
Can I find deals for business class flights from Huntsville to Heathrow?
Yes. Cheapflights offers flight deals from Huntsville 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 Huntsville to London Heathrow Airport?
Currently, December is the cheapest month in which you can book a flight from Huntsville to London Heathrow Airport (average of £566). Flying from Huntsville to London Heathrow Airport in June is currently the most expensive (average of £1,175). 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.

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

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

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Cheap flights from Huntsville to London Heathrow Airport from £251

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Huntsville to Heathrow

Cheapest flights from Huntsville to HeathrowExplore the most affordable flight options available from Huntsville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Explore the most affordable flight options available from Huntsville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from Huntsville to HeathrowDiscover carefully curated flight deals from Huntsville to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Discover carefully curated flight deals from Huntsville to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Huntsville to HeathrowDiscover last-minute flight deals from Huntsville to Heathrow. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from Huntsville to Heathrow. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Huntsville to HeathrowSearch for one-way flight options from Huntsville to Heathrow. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Search for one-way flight options from Huntsville to Heathrow. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

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

Best time to book a flight from Huntsville to Heathrow

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

Cheapflights Insights

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

Related info for your journey

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

How long is the flight from Huntsville to London Heathrow Airport?

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

How can I find direct flights from Huntsville to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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

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Cheapest flights from Huntsville to Heathrow
Explore the most affordable flight options available from Huntsville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from Huntsville to Heathrow
Discover carefully curated flight deals from Huntsville to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Huntsville to Heathrow
Discover last-minute flight deals from Huntsville to Heathrow. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Huntsville to Heathrow
Search for one-way flight options from Huntsville to Heathrow. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.