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Cheap flights from Hartford to London Heathrow Airport from £221

BDL — LHR
3 Nov — 10 Nov1
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

Fri 4/1206:00 -
2 stops25h 00m
Sun 6/1209:00 -
2 stops19h 44m
Deal found 3/10£518
Tue 8/1217:01 -
1 stop33h 54m
Thu 10/1212:05 -
2 stops40h 39m
Deal found 1/10£522
Thu 5/1119:54 -
2 stops30h 16m
Sun 8/1107:00 -
2 stops16h 42m
Deal found 3/10£527
Tue 17/1117:02 -
2 stops33h 08m
Fri 20/1106:50 -
2 stops22h 09m
Deal found 29/9£531
Tue 1/1217:55 -
1 stop12h 30m
Sat 12/1209:50 -
1 stop11h 35m
Deal found 1/10£536
Fri 4/1206:00 -
2 stops23h 05m
Sat 5/1212:05 -
1 stop16h 39m
Deal found 30/9£541
Mon 7/1217:01 -
1 stop33h 54m
Thu 10/1206:35 -
2 stops20h 05m
Deal found 3/10£579
Sat 31/1018:55 -
1 stop10h 10m
Sat 7/1108:50 -
1 stop12h 35m
Deal found 3/10£588

Find flight deals from Hartford to Heathrow

Round-trip from

£518

One-way from

£221

Popular in

June

Cheapest in

February

Average price

£723
United Airlines
  • United Airlines
  • 4/12-6/12
  • 3 total stops
  • 34h 27m total
  • Hartford to London
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British Airways
  • British Airways
  • 17/11-31/12
  • 1 total stop
  • 9h 10m total
  • Hartford to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£142 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£30 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 Hartford to London Heathrow Airport that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 16/11

11:39-06:25

1 stop13h 46m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sun 15/11

06:00-05:55

1 stop18h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226
Fastest return journey

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 17/11

12:57-07:15

2 stops13h 18m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sun 31/1

14:20-11:40

1 stop16h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Wed 18/11

12:57-09:55

2 stops15h 58m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Wed 18/11

06:00-10:25

2 stops23h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 19/10

07:00-07:15

1 stop19h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sun 18/10

11:24-06:25

1 stop14h 01m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 12/10

06:25-09:30

1 stop22h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£253

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 12/10

10:33-10:40

1 stop19h 07m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£284

Flights are sorted by cheapest return flights first.

Deals found on 2/10

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £479). Flying from Hartford to London Heathrow Airport in June is currently the most expensive (average of £1,170). 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 £630 and £856 in December.
The cheapest return price found within the last 5 days was £518 on United Airlines (4 Dec–6 Dec).

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 18h 55m. United Airlines provides one of the quickest options available for as low as £590. 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 £479). Flying from Hartford to London Heathrow Airport in June is currently the most expensive (average of £1,170). 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
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Hartford today with Cheapflights!

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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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