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Cheap flights from Hartford to London Heathrow Airport from £249

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Hartford Bradley Intl to London Heathrow are usually found in October or September, booked 73 days in advance, depart on a Monday or Thursday and return on a Thursday

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 5 December 2025.

Fri 5/1207:02BDL - LHR
1 stop21h 28mJetBlue
Sat 13/1212:20LHR - BDL
1 stop15h 22mJetBlue
Deal found 4/12£625
Tue 16/1214:50BDL - LHR
1 stop10h 50mUnited Airlines
Wed 24/1210:25LHR - BDL
1 stop16h 10mUnited Airlines
Deal found 3/12£633
Wed 17/1206:10BDL - LHR
2 stops20h 00mUnited Airlines
Thu 25/1209:00LHR - BDL
2 stops19h 58mUnited Airlines
Deal found 3/12£637
Tue 9/1217:40BDL - LHR
1 stop9h 25mAer Lingus
Tue 16/1208:50LHR - BDL
1 stop12h 20mAer Lingus
Deal found 4/12£640
Wed 31/1219:40BDL - LHR
1 stop10h 10mUnited Airlines
Wed 7/116:20LHR - BDL
1 stop12h 24mUnited Airlines
Deal found 3/12£641
Wed 17/1206:00BDL - LHR
2 stops20h 10mUnited Airlines
Tue 23/1213:25LHR - BDL
2 stops53h 51mUnited Airlines
Deal found 3/12£657
Thu 25/1206:00BDL - LHR
2 stops20h 10mAir Canada
Mon 29/1213:00LHR - BDL
2 stops30h 09mAir Canada
Deal found 2/12£676
Wed 17/1210:34BDL - LHR
3 stops15h 36mMultiple Airlines
Thu 25/1213:25LHR - BDL
2 stops15h 33mMultiple Airlines
Deal found 3/12£681
Wed 17/1207:02BDL - LHR
1 stop9h 38mJetBlue
Tue 23/1212:20LHR - BDL
1 stop16h 39mJetBlue
Deal found 4/12£693
Mon 15/1219:50BDL - LHR
1 stop10h 00mUnited Airlines
Tue 6/113:25LHR - BDL
2 stops29h 35mUnited Airlines
Deal found 3/12£704
Mon 15/1219:50BDL - LHR
1 stop10h 00mUnited Airlines
Mon 5/118:00LHR - BDL
2 stops30h 14mUnited Airlines
Deal found 3/12£707

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 5 December 2025.

Round-trip from

£429

One-way from

£249

Popular in

June

Cheapest in

October

Average price

£815
Lufthansa
  • Lufthansa
  • 15/1-22/1
  • 3 total stops
  • 26h 24m total
  • Hartford to London
Search Deals
JetBlue
  • JetBlue
  • 22/2
  • 1 total stop
  • 9h 45m total
  • Hartford to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 5 December 2025.
Use the filters below to find and compare flights from Hartford to London Heathrow Airport that are best for you.

Fly from

Hartford

Fly to

Heathrow

Route

Depart

Return

Price

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 18/1

15:00-06:40

1 stop10h 40m

London Heathrow

Sun 25/1

09:00-23:44

2 stops19h 44m

£451

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 14/1

06:03-07:05

1 stop20h 02m

London Heathrow

Sun 18/1

06:30-23:40

2 stops22h 10m

£451

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 23/1

06:00-06:40

1 stop19h 40m

London Heathrow

Tue 27/1

13:25-14:00

2 stops29h 35m

£457

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 15/1

15:00-06:40

1 stop10h 40m

London Heathrow

Thu 22/1

09:00-21:29

2 stops17h 29m

£459

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 17/1

16:46-07:55

1 stop34h 09m

London Heathrow

Sat 24/1

11:05-14:22

2 stops56h 17m

£469

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 14/1

09:55-11:15

1 stop20h 20m

London Heathrow

Wed 21/1

06:50-21:29

2 stops19h 39m

£469

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 22/2

06:00-20:45

1 stop9h 45m

£249

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 18/1

06:00-20:45

1 stop9h 45m

£258

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 22/2

12:10-06:55

2 stops37h 45m

£263

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 15/4

06:45-15:35

2 stops27h 50m

£268

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 17 results
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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
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 28 November 2025.

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.

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

Currently, March is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of £449). Flying from Hartford to London Heathrow Airport in January is currently the most expensive (average of £839). 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.

What is the cheapest time of day to fly from BDL to LHR?

Find hourly flight availability from Hartford to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 13% on flights from Hartford to London Heathrow Airport by exploring options for tickets in the evening.

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 40m. United Airlines provides one of the quickest options available for as low as £451. 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, March is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of £449). Flying from Hartford to London Heathrow Airport in January is currently the most expensive (average of £839). 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
Milton Keynes
Croydon
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

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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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