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Cheap flights from Hartford to London Heathrow Airport from £274

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

£520

One-way from

£274

Popular in

June

Cheapest in

November

Average price

£638
United Airlines
  • United Airlines
  • 13/5-20/5
  • 3 total stops
  • 43h 37m total
  • Hartford to London
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9/7
  • 9/7
  • 3 total stops
  • 31h 45m total
  • Hartford to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£61 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 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 15 April 2025.

Tue 13/514:59BDL - LHR
1 stop14h 41mUnited Airlines
Tue 20/514:05LHR - BDL
2 stops28h 56mUnited Airlines
Deal found 14/4£520
Tue 13/514:59BDL - LHR
1 stop17h 31mDelta
Wed 21/506:30LHR - BDL
2 stops16h 43mDelta
Deal found 14/4£527
Wed 23/419:15BDL - LHR
1 stop12h 00mAmerican Airlines
Tue 29/412:30LHR - BDL
1 stop14h 54mAmerican Airlines
Deal found 14/4£537
Sat 26/418:05BDL - LHR
1 stop11h 15mAer Lingus
Wed 30/407:40LHR - BDL
1 stop13h 55mAer Lingus
Deal found 14/4£538
Wed 7/510:31BDL - LHR
3 stops14h 59mMultiple Airlines
Tue 13/514:05LHR - BDL
2 stops14h 54mMultiple Airlines
Deal found 15/4£540
Wed 7/510:31BDL - LHR
3 stops14h 59mAir Canada
Tue 13/508:30LHR - BDL
3 stops20h 29mAir Canada
Deal found 15/4£546
Mon 12/519:52BDL - LHR
2 stops14h 48mLufthansa
Mon 19/520:25LHR - BDL
2 stops32h 34mLufthansa
Deal found 14/4£552
Sun 21/911:50BDL - LHR
1 stop13h 55mKLM
Mon 6/1013:05LHR - BDL
1 stop13h 58mKLM
Deal found 14/4£575
Sat 10/517:01BDL - LHR
1 stop12h 29mFinnair
Sat 17/509:15LHR - BDL
1 stop18h 00mFinnair
Deal found 14/4£604
Fri 6/607:00BDL - LHR
1 stop8h 45mJetBlue
Wed 11/611:55LHR - BDL
1 stop15h 59mJetBlue
Deal found 13/4£689
Thu 15/507:14BDL - LHR
2 stops21h 36mTurkish Airlines
Tue 20/506:30LHR - BDL
2 stops21h 38mTurkish Airlines
Deal found 14/4£763
Tue 15/416:59BDL - LHR
1 stop13h 11mVirgin Atlantic
Sat 19/411:20LHR - BDL
1 stop13h 47mVirgin Atlantic
Deal found 14/4£818

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 15 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 13/5

14:59-10:40

1 stop14h 41m

London Heathrow

Tue 20/5

14:05-14:01

2 stops28h 56m

£520

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 13/5

14:59-13:30

1 stop17h 31m

London Heathrow

Wed 21/5

06:30-18:13

2 stops16h 43m

£527

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 13/5

16:45-08:55

1 stop11h 10m

London Heathrow

Tue 20/5

09:20-20:18

1 stop15h 58m

£537

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 26/4

18:05-10:20

1 stop11h 15m

London Heathrow

Wed 30/4

07:40-16:35

1 stop13h 55m

£538

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 7/5

10:31-06:30

3 stops14h 59m

London Heathrow

Tue 13/5

14:05-23:59

2 stops14h 54m

£540

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 7/5

10:31-06:30

3 stops14h 59m

London Heathrow

Tue 13/5

08:30-23:59

3 stops20h 29m

£546

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 12/5

19:52-15:40

2 stops14h 48m

London Heathrow

Mon 19/5

20:25-23:59

2 stops32h 34m

£552

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 14/5

16:22-06:40

1 stop9h 18m

London Heathrow

Sat 31/5

10:05-20:30

1 stop15h 25m

£595

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 10/5

17:01-10:30

1 stop12h 29m

London Heathrow

Sat 17/5

09:15-22:15

1 stop18h 00m

£604

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 6/6

07:00-20:45

1 stop8h 45m

London Heathrow

Wed 11/6

11:55-22:54

1 stop15h 59m

£689

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 19 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 11 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 15 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 15 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
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

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
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

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
1,323 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

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
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

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
8,656 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

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
7,917 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

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?

    United Airlines, at £520, was found to be the cheapest airline from Hartford to London Heathrow Airport.Alternate airlines flying return to your destination include Delta and KLM. United Airlines is 24% 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 Aer Lingus. According to our data, you can fly for as low as £309. Users have also found prices from £331 and £336 on United Airlines 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
Hounslow
Deal
Milton Keynes
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Luton
Slough
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Eastbourne
Wembley
Northampton
Hayes
Crawley
Southend-on-Sea
Maidstone
Swindon
Ipswich
Southall
Ilford
Winchester
Folkestone

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