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Cheap flights from Hartford to London Heathrow Airport from £220

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Hartford Bradley Intl to London Heathrow are usually found in September or October, 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 12 December 2025.

Wed 17/1207:02BDL - LHR
1 stop9h 38mJetBlue
Thu 25/1212:20LHR - BDL
1 stop16h 39mJetBlue
Deal found 10/12£548
Mon 15/1207:02BDL - LHR
1 stop21h 28mJetBlue
Thu 25/1212:20LHR - BDL
1 stop16h 39mJetBlue
Deal found 10/12£757
Sun 14/1210:34BDL - LHR
1 stop19h 16mUnited Airlines
Tue 16/1209:00LHR - BDL
2 stops19h 59mUnited Airlines
Deal found 10/12£783
Tue 16/1207:30BDL - LHR
1 stop17h 55mDelta
Wed 24/1208:40LHR - BDL
2 stops19h 56mDelta
Deal found 9/12£793
Tue 16/1217:40BDL - LHR
1 stop16h 55mAer Lingus
Tue 23/1207:50LHR - BDL
1 stop13h 20mAer Lingus
Deal found 9/12£813
Tue 16/1214:12BDL - LHR
1 stop16h 28mKLM
Wed 24/1210:45LHR - BDL
1 stop14h 09mKLM
Deal found 9/12£814
Wed 17/1206:10BDL - LHR
1 stop20h 45mUnited Airlines
Thu 25/1209:00LHR - BDL
2 stops17h 35mUnited Airlines
Deal found 11/12£830
Wed 17/1209:43BDL - LHR
2 stops16h 22mDelta
Thu 25/1206:30LHR - BDL
2 stops18h 24mDelta
Deal found 10/12£834
Wed 17/1206:10BDL - LHR
1 stop20h 45mUnited Airlines
Tue 23/1213:45LHR - BDL
2 stops53h 31mUnited Airlines
Deal found 11/12£836
Tue 16/1219:50BDL - LHR
1 stop10h 00mUnited Airlines
Tue 23/1213:25LHR - BDL
2 stops15h 33mUnited Airlines
Deal found 9/12£839

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 December 2025.

Round-trip from

£399

One-way from

£220

Popular in

June

Cheapest in

September

Average price

£782
Lufthansa
  • Lufthansa
  • 6/2-8/2
  • 4 total stops
  • 33h 07m total
  • Hartford to London
Search Deals
JetBlue
  • JetBlue
  • 24/1
  • 1 total stop
  • 11h 00m 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 12 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

Fri 23/1

09:55-05:55

1 stop15h 00m

London Heathrow

Tue 27/1

06:50-19:14

2 stops17h 24m

£468

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 25/1

10:07-10:50

1 stop19h 43m

London Heathrow

Sun 1/2

09:00-23:44

2 stops19h 44m

£469

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 8/1

07:20-07:50

1 stop19h 30m

London Heathrow

Thu 15/1

10:00-23:40

2 stops18h 40m

£470

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 5/2

11:22-11:40

1 stop19h 18m

London Heathrow

Sat 14/2

06:30-20:24

2 stops18h 54m

£470

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 1/3

11:55-09:00

1 stop16h 05m

London Heathrow

Sun 8/3

06:30-22:59

2 stops21h 29m

£470

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 5/3

06:00-07:10

2 stops20h 10m

London Heathrow

Sun 8/3

06:50-13:00

2 stops35h 10m

£471

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 7/2

12:56-06:55

2 stops12h 59m

London Heathrow

Mon 16/2

08:40-23:21

2 stops19h 41m

£473

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 23/1

06:00-20:45

1 stop9h 45m

London Heathrow

Tue 27/1

12:20-23:48

1 stop16h 28m

£476

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 24/1

06:00-22:00

1 stop11h 00m

£220

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 15/4

06:45-20:45

1 stop9h 00m

£261

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 18 results
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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 5 December 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 £447). Flying from Hartford to London Heathrow Airport in January is currently the most expensive (average of £1,767). 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 12 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.

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 15h. United Airlines provides one of the quickest options available for as low as £468. 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 £447). Flying from Hartford to London Heathrow Airport in January is currently the most expensive (average of £1,767). 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
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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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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