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

For as low as £667, United Airlines can have you in London Heathrow Airport from Chattanooga in 15h 10m. Chattanooga and London Heathrow Airport are separated by a distance of 4162 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 CHA to LHR?

When flying from Chattanooga to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

If you book a flight to London Heathrow from Chattanooga, you will be flying from Lovell Field, which is the city’s only airport. Chattanooga Lovell Field (CHA) is located 6.0 mi from the center of Chattanooga. There are 0 flights from Lovell Field to London Heathrow per day from 0 different airlines.

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

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

How can I find direct flights from Chattanooga to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Chattanooga 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.

£667+ Cheap Flights from Chattanooga to London Heathrow Airport

Cheap flight deals from Chattanooga to Heathrow

Enter your travel dates to find the best prices.

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Cheapest flights from Chattanooga to Heathrow
Explore the most affordable flight options available from Chattanooga to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.

Mon 2/1106:50 -

1 stop18h 05m

Tue 17/1109:00 -

2 stops16h 53m

Deal found 5/10£678

Sun 8/1106:45 -

1 stop20h 10m

Wed 25/1106:50 -

2 stops19h 03m

Deal found 3/10£687

Tue 1/1213:49 -

1 stop17h 11m

Tue 8/1211:10 -

2 stops16h 31m

Deal found 7/10£688

Wed 18/1107:00 -

2 stops19h 10m

Wed 25/1106:35 -

2 stops19h 18m

Deal found 4/10£690

Tue 10/1113:52 -

2 stops15h 58m

Tue 24/1106:50 -

2 stops16h 11m

Deal found 3/10£691

Sat 7/1117:55 -

1 stop33h 00m

Tue 24/1106:50 -

2 stops15h 20m

Deal found 3/10£692

Mon 7/1213:40 -

1 stop15h 35m

Mon 14/1211:05 -

2 stops34h 56m

Deal found 7/10£697

Tue 1/1210:01 -

1 stop15h 24m

Wed 9/1211:45 -

2 stops15h 18m

Deal found 3/10£703

Wed 11/1114:59 -

2 stops13h 26m

Wed 25/1108:40 -

2 stops17h 42m

Deal found 3/10£706

Tue 1/1213:18 -

1 stop13h 02m

Tue 8/1211:50 -

1 stop14h 40m

Deal found 7/10£709

Sun 8/1106:45 -

1 stop20h 10m

Fri 27/1112:05 -

1 stop16h 23m

Deal found 3/10£710

Find flight deals from Chattanooga to Heathrow

Round-trip from	£641
Popular in	July
Cheapest in	March
Average price	£724

Scandinavian Airlines
5/4-13/4
2 total stops
28h 36m total
Chattanooga to London

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£177 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest return flight

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Mon 22/3

10:45-05:55

1 stop15h 10m

London Heathrow

Mon 5/4

13:50-20:49

2 stops35h 59m

£667

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Sat 23/1

13:58-07:10

2 stops36h 12m

London Heathrow

Mon 1/2

11:05-17:03

2 stops34h 58m

£676

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Mon 2/11

07:00-05:55

2 stops17h 55m

London Heathrow

Tue 17/11

09:00-20:53

2 stops16h 53m

£678

Fastest return journey

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Tue 17/11

13:52-05:55

1 stop11h 03m

London Heathrow

Tue 24/11

06:50-18:01

2 stops16h 11m

£687

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Sun 31/1

13:58-07:55

1 stop12h 57m

London Heathrow

Thu 4/2

09:10-18:44

1 stop14h 34m

£688

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Wed 2/12

06:30-05:55

1 stop18h 25m

London Heathrow

Fri 11/12

06:35-22:41

2 stops21h 06m

£688

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Tue 1/12

10:01-06:25

1 stop15h 24m

London Heathrow

Wed 9/12

11:45-22:03

2 stops15h 18m

£703

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Sun 24/1

07:09-07:10

2 stops19h 01m

London Heathrow

Sat 30/1

06:50-17:03

2 stops15h 13m

£705

ChattanoogaLondon

CHA Chattanooga Lovell Field - LHR London Heathrow

CHALHR

Chattanooga Lovell Field

Sun 8/11

06:45-07:10

2 stops19h 25m

London Heathrow

Mon 23/11

09:00-20:53

2 stops16h 53m

£727

Flights are sorted by cheapest return flights first.

Deals found on 2/10

Sorted by cheapest first

Best time to book a flight from Chattanooga to Heathrow

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

CHA-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 Chattanooga to London Heathrow Airport

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

Currently, March is the cheapest month in which you can book a flight from Chattanooga to London Heathrow Airport (average of £555). Flying from Chattanooga to London Heathrow Airport in July is currently the most expensive (average of £1,286). 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 Chattanooga to London Heathrow?
If you book a flight to London Heathrow from Chattanooga, you will be flying from Lovell Field, which is the city’s only airport. Chattanooga Lovell Field (CHA) is located 6.0 mi from the center of Chattanooga. There are 0 flights from Lovell Field to London Heathrow per day from 0 different airlines.
How long is the flight from Chattanooga to London Heathrow Airport?
For as low as £667, United Airlines can have you in London Heathrow Airport from Chattanooga in 15h 10m. Chattanooga and London Heathrow Airport are separated by a distance of 4162 mi.
Can I find deals for flights from Chattanooga to Heathrow that include hotel bookings?
Yes. In addition to deals on Chattanooga to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chattanooga to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chattanooga to Heathrow.
Can I find deals for business class flights from Chattanooga to Heathrow?
Yes. Cheapflights offers flight deals from Chattanooga 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 Chattanooga to London Heathrow Airport?
Currently, March is the cheapest month in which you can book a flight from Chattanooga to London Heathrow Airport (average of £555). Flying from Chattanooga to London Heathrow Airport in July is currently the most expensive (average of £1,286). 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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Cheap flights from Chattanooga to London Heathrow Airport from £667

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chattanooga to Heathrow

Cheapest flights from Chattanooga to HeathrowExplore the most affordable flight options available from Chattanooga to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.

Explore the most affordable flight options available from Chattanooga to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.

Best flights from Chattanooga to HeathrowDiscover carefully curated flight deals from Chattanooga to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Discover carefully curated flight deals from Chattanooga to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Last-minute flights from Chattanooga to HeathrowDiscover last-minute flight deals from Chattanooga to Heathrow. Data last updated 7 October 2026 and is based on user searches.

Discover last-minute flight deals from Chattanooga to Heathrow. Data last updated 7 October 2026 and is based on user searches.

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Best time to book a flight from Chattanooga to Heathrow

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Cheapflights Insights

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

Related info for your journey

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

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

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

How can I find direct flights from Chattanooga to Heathrow?

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

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

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

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Cheapest flights from Chattanooga to Heathrow
Explore the most affordable flight options available from Chattanooga to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.

Best flights from Chattanooga to Heathrow
Discover carefully curated flight deals from Chattanooga to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Last-minute flights from Chattanooga to Heathrow
Discover last-minute flight deals from Chattanooga to Heathrow. Data last updated 7 October 2026 and is based on user searches.