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Cheap flights from Hartford to London Heathrow Airport from £242

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
9 Sep — 16 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
Explore the most affordable flight options available from Hartford to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Mon 28/918:00 -
1 stop11h 20m
Wed 14/1007:40 -
1 stop13h 50m
Deal found 8/8£625
Tue 3/1110:37 -
2 stops20h 23m
Fri 13/1106:50 -
2 stops16h 52m
Deal found 6/8£641
Tue 6/1006:05 -
1 stop21h 55m
Tue 13/1006:50 -
2 stops16h 03m
Deal found 9/8£642
Wed 14/1006:00 -
2 stops19h 30m
Wed 21/1006:50 -
2 stops16h 03m
Deal found 7/8£644
Wed 25/1106:00 -
2 stops20h 10m
Wed 2/1211:10 -
2 stops17h 47m
Deal found 7/8£646
Sun 11/1018:00 -
1 stop12h 10m
Sat 24/1009:50 -
1 stop11h 40m
Deal found 5/8£648
Sun 27/918:00 -
1 stop9h 05m
Thu 1/1011:55 -
1 stop16h 51m
Deal found 8/8£650
Tue 22/906:10 -
1 stop23h 30m
Mon 28/911:05 -
2 stops39h 32m
Deal found 10/8£651
Tue 3/1119:54 -
2 stops20h 06m
Wed 11/1107:40 -
2 stops21h 19m
Deal found 6/8£651
Tue 8/906:45 -
1 stop9h 00m
Fri 18/911:55 -
1 stop16h 51m
Deal found 10/8£653

Find flight deals from Hartford to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 August 2026.

Round-trip from

£577

One-way from

£242

Popular in

June

Cheapest in

February

Average price

£737
United Airlines
  • United Airlines
  • 10/1-13/1
  • 3 total stops
  • 50h 39m total
  • Hartford to London
Search Deals
JetBlue
  • JetBlue
  • 1/9
  • 1 total stop
  • 9h 00m total
  • Hartford to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£143 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Hartford to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 August 2026.
Use the filters below to find and compare flights from Hartford to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sun 10/1

17:04-07:55

1 stop33h 51m

London Heathrow

Wed 13/1

06:50-18:38

2 stops16h 48m

£577

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Wed 30/9

11:43-06:25

1 stop13h 42m

London Heathrow

Thu 8/10

09:55-23:32

2 stops18h 37m

£642

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 6/10

14:59-10:25

2 stops14h 26m

London Heathrow

Tue 13/10

06:50-17:53

2 stops16h 03m

£645

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 22/9

06:10-10:40

1 stop23h 30m

London Heathrow

Mon 28/9

11:05-21:37

2 stops39h 32m

£651
Fastest return journey

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 6/10

06:25-20:45

1 stop9h 20m

London Heathrow

Tue 13/10

11:55-23:44

1 stop16h 49m

£656

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Wed 23/9

15:01-10:40

1 stop14h 39m

London Heathrow

Wed 30/9

16:40-23:59

1 stop12h 19m

£663

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sat 12/9

06:25-20:45

1 stop9h 20m

London Heathrow

Sat 19/9

11:55-23:46

1 stop16h 51m

£664

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Fri 2/10

06:25-20:45

1 stop9h 20m

London Heathrow

Mon 19/10

11:55-23:44

1 stop16h 49m

£664

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Thu 24/9

06:25-20:45

1 stop9h 20m

London Heathrow

Thu 1/10

11:55-23:46

1 stop16h 51m

£664

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Wed 28/10

10:37-07:55

2 stops17h 18m

London Heathrow

Mon 2/11

13:45-23:59

2 stops39h 14m

£664

Flights are sorted by cheapest return flights first.

Deals found on 8/8

Showing 1-10 of 16 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
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 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 £470). Flying from Hartford to London Heathrow Airport in June is currently the most expensive (average of £962). 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 £649 and £833 in January.
The cheapest return price found within the last 5 days was £577 on United Airlines (10 Jan–13 Jan).

Related info for your journey

Find useful and relevant information for your journey from Hartford 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 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 9h 20m. United Airlines provides one of the quickest options available for as low as £656. The distance from Hartford to London Heathrow Airport is about 3340 mi. This flight may include one or multiple stops.

  • 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 £470). Flying from Hartford to London Heathrow Airport in June is currently the most expensive (average of £962). 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
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

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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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