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Cheap flights from Hartford to London Heathrow Airport from £349

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
30 Mar — 6 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 25 March 2025.

Round-trip from

£534

One-way from

£349

Popular in

June

Cheapest in

November

Average price

£660
United Airlines
  • United Airlines
  • 23/4-30/4
  • 4 total stops
  • 53h 45m total
  • Hartford to London
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Delta
  • Delta
  • 23/4
  • 2 total stops
  • 17h 45m total
  • Hartford to London
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Highest demand for flights based on searches. 9% potential increase in price (£58 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 March 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 25 March 2025.

Wed 1/1006:15BDL - LHR
2 stops19h 15mUnited Airlines
Thu 16/1008:40LHR - BDL
2 stops20h 17mUnited Airlines
Deal found 24/3£533
Wed 7/518:54BDL - LHR
1 stop13h 16mDelta
Tue 13/509:55LHR - BDL
2 stops19h 04mDelta
Deal found 24/3£535
Mon 5/511:28BDL - LHR
1 stop14h 17mKLM
Fri 23/515:15LHR - BDL
1 stop13h 44mKLM
Deal found 24/3£544
Tue 14/1006:30BDL - LHR
1 stop9h 15mJetBlue
Tue 21/1011:55LHR - BDL
1 stop15h 10mJetBlue
Deal found 25/3£558
Fri 22/810:23BDL - LHR
2 stops15h 12mMultiple Airlines
Tue 2/909:30LHR - BDL
2 stops16h 52mMultiple Airlines
Deal found 25/3£570
Thu 8/519:52BDL - LHR
2 stops14h 48mLufthansa
Fri 16/510:50LHR - BDL
2 stops18h 09mLufthansa
Deal found 24/3£571
Wed 7/510:31BDL - LHR
3 stops14h 59mAir Canada
Tue 13/508:30LHR - BDL
3 stops20h 29mAir Canada
Deal found 24/3£575
Sat 10/517:01BDL - LHR
1 stop14h 14mFinnair
Sat 17/514:25LHR - BDL
1 stop12h 50mFinnair
Deal found 24/3£577
Sat 12/419:43BDL - LHR
1 stop11h 47mAmerican Airlines
Sat 19/412:30LHR - BDL
1 stop14h 54mAmerican Airlines
Deal found 24/3£585
Wed 2/418:05BDL - LHR
1 stop8h 55mAer Lingus
Tue 8/421:10LHR - BDL
1 stop24h 25mAer Lingus
Deal found 25/3£664
Tue 8/418:05BDL - LHR
1 stop10h 00mBritish Airways
Tue 15/408:50LHR - BDL
1 stop12h 45mBritish Airways
Deal found 25/3£672
Fri 18/417:21BDL - LHR
2 stops14h 49mVirgin Atlantic
Sun 20/412:25LHR - BDL
2 stops15h 45mVirgin Atlantic
Deal found 24/3£715

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 25 March 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

Wed 23/4

06:15-11:50

2 stops24h 35m

London Heathrow

Wed 30/4

14:05-14:15

2 stops29h 10m

£534

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 7/5

18:54-13:10

1 stop13h 16m

London Heathrow

Tue 13/5

09:55-23:59

2 stops19h 04m

£535

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 5/5

11:28-06:45

1 stop14h 17m

London Heathrow

Fri 23/5

15:15-23:59

1 stop13h 44m

£544

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 22/8

10:23-06:30

3 stops15h 07m

London Heathrow

Tue 2/9

14:05-23:57

2 stops14h 52m

£570

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 8/5

19:52-15:40

2 stops14h 48m

London Heathrow

Fri 16/5

10:50-23:59

2 stops18h 09m

£571

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

£575

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 10/5

17:01-12:15

1 stop14h 14m

London Heathrow

Sat 17/5

14:25-22:15

1 stop12h 50m

£577

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 12/4

19:43-12:30

1 stop11h 47m

London Heathrow

Sat 19/4

12:30-22:24

1 stop14h 54m

£585

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 8/4

18:05-09:05

1 stop10h 00m

London Heathrow

Tue 15/4

08:50-16:35

1 stop12h 45m

£672

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 16/4

18:05-08:00

1 stop8h 55m

London Heathrow

Mon 21/4

21:10-22:24

2 stops30h 14m

£676

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 21 March 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 25 March 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 25 March 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
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

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
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

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
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

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
1,266 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

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
8,605 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

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
634 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

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?

    United Airlines, at £534, 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 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 £349. Users have also found prices from £363 and £387 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
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Hayes
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Watford
Southall

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