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Cheap flights from Hartford to London Heathrow Airport from £295

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Hartford Bradley Intl to London Heathrow are usually found in November or October, booked 48 days in advance, depart on a Monday or Thursday and return on a Thursday

Cheap 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 30 April 2025.

Round-trip from

£521

One-way from

£295

Popular in

June

Cheapest in

November

Average price

£626
JetBlue
  • JetBlue
  • 21/10-15/11
  • 2 total stops
  • 24h 46m total
  • Hartford to London
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Delta
  • Delta
  • 9/9
  • 2 total stops
  • 16h 10m total
  • Hartford to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Find flight deals from Hartford to Heathrow

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 30 April 2025.

Tue 21/1006:30BDL - LHR
1 stop9h 15mJetBlue
Sat 15/1112:20LHR - BDL
1 stop15h 31mJetBlue
Deal found 29/4£521
Mon 15/906:00BDL - LHR
1 stop19h 45mDelta
Fri 26/909:00LHR - BDL
2 stops19h 36mDelta
Deal found 29/4£549
Fri 22/817:46BDL - LHR
1 stop12h 09mAmerican Airlines
Tue 2/912:15LHR - BDL
1 stop15h 11mAmerican Airlines
Deal found 30/4£565
Wed 13/806:10BDL - LHR
2 stops22h 50mAir Canada
Thu 21/814:05LHR - BDL
2 stops33h 51mAir Canada
Deal found 28/4£570
Wed 3/910:32BDL - LHR
1 stop15h 23mUnited Airlines
Tue 16/915:50LHR - BDL
2 stops27h 11mUnited Airlines
Deal found 29/4£575
Fri 19/919:54BDL - LHR
2 stops53h 36mMultiple Airlines
Sun 28/907:30LHR - BDL
2 stops21h 20mMultiple Airlines
Deal found 28/4£620
Sun 18/515:04BDL - LHR
1 stop10h 51mLufthansa
Tue 3/617:40LHR - BDL
2 stops25h 21mLufthansa
Deal found 29/4£648
Sun 18/506:00BDL - LHR
1 stop19h 55mBrussels Airlines
Tue 3/616:40LHR - BDL
1 stop11h 56mBrussels Airlines
Deal found 29/4£660
Thu 23/1014:20BDL - LHR
1 stop11h 25mVirgin Atlantic
Mon 27/1009:20LHR - BDL
2 stops18h 16mVirgin Atlantic
Deal found 28/4£665
Wed 7/512:35BDL - LHR
2 stops19h 05mAer Lingus
Tue 13/508:50LHR - BDL
1 stop12h 45mAer Lingus
Deal found 29/4£692
Wed 7/511:45BDL - LHR
1 stop14h 00mKLM
Tue 13/515:15LHR - BDL
1 stop13h 44mKLM
Deal found 29/4£718
Sat 10/507:14BDL - LHR
2 stops21h 36mTurkish Airlines
Sat 17/522:25LHR - BDL
2 stops29h 43mTurkish Airlines
Deal found 29/4£753

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 30 April 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

Tue 21/10

06:30-20:45

1 stop9h 15m

London Heathrow

Sat 15/11

12:20-22:51

1 stop15h 31m

£521

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 15/9

06:00-06:45

1 stop19h 45m

London Heathrow

Fri 26/9

09:00-23:36

2 stops19h 36m

£549

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 22/8

17:46-10:55

1 stop12h 09m

London Heathrow

Tue 2/9

12:15-22:26

1 stop15h 11m

£565

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 13/8

06:10-10:00

2 stops22h 50m

London Heathrow

Thu 21/8

14:05-18:56

2 stops33h 51m

£570

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 3/9

10:32-06:55

1 stop15h 23m

London Heathrow

Tue 16/9

15:50-14:01

2 stops27h 11m

£575

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 19/9

19:54-06:30

2 stops53h 36m

London Heathrow

Sun 28/9

07:30-23:50

2 stops21h 20m

£620

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 18/5

15:04-06:55

1 stop10h 51m

London Heathrow

Tue 3/6

17:40-14:01

2 stops25h 21m

£648

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 18/5

06:00-06:55

1 stop19h 55m

London Heathrow

Tue 3/6

16:40-23:36

1 stop11h 56m

£660

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 23/10

14:20-06:45

1 stop11h 25m

London Heathrow

Mon 27/10

09:20-23:36

2 stops18h 16m

£665

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 17/5

18:05-10:20

1 stop11h 15m

London Heathrow

Wed 21/5

07:40-16:35

1 stop13h 55m

£748

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 18 results
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 25 April 2025.

Booking 48 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, January is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of £112). Flying from Hartford to London Heathrow Airport in August is currently the most expensive (average of £164). 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 30 April 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 14% on flights from Hartford to London Heathrow Airport by exploring options for tickets in the evening.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 30 April 2025.
See what other customers who have flown with Delta, KLM and Finnair from Hartford to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from Hartford to London Heathrow Airport round-trip?

    JetBlue, at £521, was found to be the cheapest airline from Hartford to London Heathrow Airport.Alternate airlines flying return to your destination include Delta and American Airlines. JetBlue is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Hartford to London Heathrow Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as £295. Users have also found prices from £344 and £359 on JetBlue and Air Canada, respectively.

  • 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, January is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of £112). Flying from Hartford to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Hartford?

Book flights to Hartford if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Southend-on-Sea
Ilford
Crawley
Hayes
Ipswich
Watford
Wembley
Swindon
Folkestone
Maidstone
Winchester

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