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Cheap flights from Hartford to London Heathrow Airport from £193

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
11 Apr — 18 Apr1
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 12 March 2026.

Mon 9/1118:30
BDL
-
LHR
2 stops31h 40m
United Airlines
Thu 12/1106:50
LHR
-
BDL
2 stops22h 07m
United Airlines
Deal found 8/3£456
Wed 6/518:00
BDL
-
LHR
1 stop9h 05m
Aer Lingus
Wed 13/508:50
LHR
-
BDL
1 stop12h 40m
Aer Lingus
Deal found 10/3£537
Tue 17/306:00
BDL
-
LHR
1 stop11h 40m
JetBlue
Wed 25/312:20
LHR
-
BDL
1 stop15h 26m
JetBlue
Deal found 8/3£539
Mon 11/518:00
BDL
-
LHR
1 stop11h 20m
Aer Lingus
Sat 16/508:50
LHR
-
BDL
1 stop12h 40m
Aer Lingus
Deal found 9/3£544
Mon 14/906:09
BDL
-
LHR
1 stop19h 36m
United Airlines
Thu 8/1006:50
LHR
-
BDL
2 stops22h 07m
United Airlines
Deal found 8/3£549
Sun 26/406:00
BDL
-
LHR
1 stop9h 45m
JetBlue
Tue 12/511:55
LHR
-
BDL
1 stop16h 49m
JetBlue
Deal found 9/3£550
Mon 30/306:00
BDL
-
LHR
1 stop9h 45m
JetBlue
Tue 7/411:55
LHR
-
BDL
1 stop16h 57m
JetBlue
Deal found 6/3£552
Tue 18/815:05
BDL
-
LHR
2 stops14h 20m
United Airlines
Tue 25/806:50
LHR
-
BDL
2 stops15h 31m
United Airlines
Deal found 8/3£553
Mon 14/906:09
BDL
-
LHR
1 stop19h 36m
United Airlines
Wed 7/1006:50
LHR
-
BDL
2 stops31h 57m
United Airlines
Deal found 9/3£553

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 12 March 2026.

Round-trip from

£537

One-way from

£193

Popular in

June

Cheapest in

February

Average price

£745
Aer Lingus
  • Aer Lingus
  • 6/5-13/5
  • 2 total stops
  • 21h 45m total
  • Hartford to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 10/8
  • 1 total stop
  • 9h 05m total
  • Hartford to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£67 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 March 2026
Search Deals

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 12 March 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 - LHR

BDLLHR

Hartford Bradley Intl

Tue 21/4

15:04-06:55

1 stop10h 51m

London Heathrow

Tue 28/4

06:50-17:32

2 stops15h 42m

£589
Fastest return journey

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 17/8

19:54-10:40

1 stop9h 46m

London Heathrow

Mon 24/8

16:40-23:57

1 stop12h 17m

£608

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 8/4

12:55-10:40

2 stops16h 45m

London Heathrow

Wed 15/4

13:25-22:16

1 stop13h 51m

£615

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 7/4

15:04-06:55

1 stop10h 51m

London Heathrow

Sun 12/4

06:50-23:59

2 stops22h 09m

£626

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 8/4

19:46-10:40

1 stop9h 54m

London Heathrow

Mon 13/4

12:10-14:15

2 stops55h 05m

£632

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 8/4

06:00-08:35

2 stops21h 35m

London Heathrow

Sat 18/4

16:25-21:37

2 stops34h 12m

£635

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 17/4

18:49-15:40

2 stops15h 51m

London Heathrow

Fri 24/4

07:30-21:37

2 stops19h 07m

£641

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 12/5

15:04-10:40

1 stop14h 36m

London Heathrow

Tue 16/6

06:50-21:48

2 stops19h 58m

£668

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 23/4

06:00-10:00

2 stops23h 00m

London Heathrow

Mon 27/4

17:50-17:32

2 stops28h 42m

£676

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 21/5

06:00-10:00

2 stops23h 00m

London Heathrow

Tue 26/5

06:50-18:57

2 stops17h 07m

£720

Flights are sorted by cheapest return flights first.

Deals found on 8/3

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
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

How far ahead should I book a flight from Hartford to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Hartford to Heathrow. Price data was last updated on 6 March 2026.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hartford to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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 10h 51m. United Airlines provides one of the quickest options available for as low as £589. 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.

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
Milton Keynes
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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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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