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Cheap flights from Hartford to London Heathrow Airport from £222

BDL — LHR
21 Sep — 28 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hartford to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Hartford to Heathrow

Sun 15/1112:37 -
1 stop14h 18m
Tue 17/1106:50 -
2 stops16h 28m
Deal found 16/8£556
Tue 17/1117:02 -
2 stops33h 08m
Fri 20/1106:50 -
2 stops19h 57m
Deal found 18/8£563
Mon 21/911:43 -
1 stop20h 32m
Tue 29/911:30 -
2 stops16h 42m
Deal found 20/8£607
Sun 20/919:04 -
1 stop13h 11m
Tue 6/1012:25 -
1 stop16h 24m
Deal found 21/8£610
Tue 6/1012:57 -
2 stops14h 53m
Tue 13/1009:55 -
2 stops18h 37m
Deal found 20/8£610
Tue 6/1012:57 -
2 stops14h 53m
Tue 20/1011:30 -
2 stops17h 29m
Deal found 21/8£611
Mon 21/917:21 -
1 stop14h 54m
Wed 30/915:15 -
1 stop13h 44m
Deal found 20/8£613
Tue 6/1014:00 -
2 stops15h 40m
Fri 16/1011:15 -
1 stop16h 25m
Deal found 21/8£616
Mon 5/1014:05 -
1 stop12h 10m
Mon 19/1015:20 -
2 stops31h 39m
Deal found 21/8£617
Sun 4/1018:00 -
1 stop9h 05m
Tue 20/1009:50 -
1 stop11h 40m
Deal found 19/8£618

Find flight deals from Hartford to Heathrow

Round-trip from

£556

One-way from

£222

Popular in

June

Cheapest in

February

Average price

£747
United Airlines
  • United Airlines
  • 15/11-17/11
  • 3 total stops
  • 30h 46m total
  • Hartford to London
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Delta
  • Delta
  • 1/9
  • 2 total stops
  • 14h 55m total
  • Hartford to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£108 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 17/11

17:02-07:10

2 stops33h 08m

London Heathrow

Fri 20/11

06:50-21:47

2 stops19h 57m

£563

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 6/10

06:05-09:00

1 stop21h 55m

London Heathrow

Tue 13/10

06:50-17:53

2 stops16h 03m

£635

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 6/10

10:33-06:30

2 stops14h 57m

London Heathrow

Tue 20/10

06:50-17:53

2 stops16h 03m

£638

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 19/10

10:33-05:55

2 stops14h 22m

London Heathrow

Fri 30/10

06:50-18:42

2 stops15h 52m

£638

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 6/10

10:33-10:00

2 stops18h 27m

London Heathrow

Mon 19/10

12:10-23:59

2 stops40h 49m

£638

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 22/9

14:05-13:15

1 stop18h 10m

London Heathrow

Mon 28/9

09:55-23:12

2 stops18h 17m

£644

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 6/10

17:20-13:15

1 stop14h 55m

London Heathrow

Mon 12/10

12:25-23:49

1 stop16h 24m

£649
Fastest return journey

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 23/11

11:29-06:25

1 stop13h 56m

London Heathrow

Tue 1/12

06:30-16:19

2 stops14h 49m

£657

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sun 4/10

17:03-11:55

1 stop13h 52m

London Heathrow

Tue 20/10

12:15-23:59

1 stop16h 44m

£657

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Thu 1/10

11:43-06:25

1 stop13h 42m

London Heathrow

Thu 8/10

08:40-23:32

2 stops19h 52m

£671

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Hartford to Heathrow

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

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of £465). Flying from Hartford to London Heathrow Airport in June is currently the most expensive (average of £952). 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.

How much does it cost for a return flight from Hartford to London Heathrow Airport?

Airfare is below average for this route at the moment.

Hartford to London Heathrow Airport flights typically cost between £604 and £852 in November.
The cheapest return price found within the last 5 days was £556 on United Airlines (15 Nov–17 Nov).

Related info for your journey

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

    Most people fly from Hartford Bradley Intl (BDL) if they book a flight from Hartford to London Heathrow. On average, Bradley Intl has 0 outbound flights to London Heathrow per day from 0 airlines. Hartford Bradley Intl is conveniently located just 11.9 mi from Hartford’s city center.

  • How long is the flight from Hartford to London Heathrow Airport?

    A quick flight from Hartford to London Heathrow Airport can take about 33h 08m. United Airlines provides one of the quickest options available for as low as £563. The distance from Hartford to London Heathrow Airport is about 3340 mi.

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

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

  • How can I find direct flights from Hartford to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Hartford 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 Hartford to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of £465). Flying from Hartford to London Heathrow Airport in June is currently the most expensive (average of £952). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Southend-on-Sea
Barnet
Enfield
Swindon
Kingston upon Thames
Southall
Salisbury

Browse thousands of different options on Cheapflights for your next trip

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

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Millions of users choose and trust Cheapflights to book the best flight deals from Hartford to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Heathrow from Hartford? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Hartford 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.

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