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Cheap flights from Hartford to London Heathrow Airport from £217

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags

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 26 January 2026.

Wed 22/418:00
BDL
-
LHR
1 stop9h 05m
Aer Lingus
Tue 28/409:50
LHR
-
BDL
1 stop11h 40m
Aer Lingus
Deal found 24/1£429
Sat 7/317:40
BDL
-
LHR
1 stop9h 25m
Aer Lingus
Sat 14/309:50
LHR
-
BDL
1 stop11h 20m
Aer Lingus
Deal found 25/1£452
Mon 9/306:00
BDL
-
LHR
2 stops21h 10m
Multiple Airlines
Wed 18/306:35
LHR
-
BDL
2 stops21h 24m
Multiple Airlines
Deal found 25/1£458
Mon 9/306:00
BDL
-
LHR
1 stop19h 55m
United Airlines
Wed 18/306:50
LHR
-
BDL
2 stops18h 26m
United Airlines
Deal found 25/1£462
Wed 11/306:00
BDL
-
LHR
2 stops21h 10m
Multiple Airlines
Wed 18/308:45
LHR
-
BDL
2 stops19h 14m
Multiple Airlines
Deal found 24/1£464
Thu 19/310:28
BDL
-
LHR
2 stops40h 42m
Multiple Airlines
Tue 24/320:15
LHR
-
BDL
2 stops31h 44m
Multiple Airlines
Deal found 25/1£465
Mon 20/418:00
BDL
-
LHR
1 stop9h 05m
Aer Lingus
Mon 27/409:50
LHR
-
BDL
1 stop11h 40m
Aer Lingus
Deal found 24/1£466
Thu 12/306:00
BDL
-
LHR
2 stops24h 05m
United Airlines
Thu 19/306:35
LHR
-
BDL
2 stops21h 24m
United Airlines
Deal found 26/1£468
Wed 11/316:45
BDL
-
LHR
1 stop14h 30m
United Airlines
Sun 15/318:00
LHR
-
BDL
2 stops33h 59m
United Airlines
Deal found 24/1£471
Sat 7/306:00
BDL
-
LHR
2 stops19h 30m
Multiple Airlines
Sun 22/320:15
LHR
-
BDL
2 stops31h 44m
Multiple Airlines
Deal found 24/1£472
Mon 13/406:00
BDL
-
LHR
2 stops19h 30m
United Airlines
Fri 24/407:25
LHR
-
BDL
2 stops19h 12m
United Airlines
Deal found 25/1£473

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 26 January 2026.

Round-trip from

£429

One-way from

£217

Popular in

June

Cheapest in

September

Average price

£792
Aer Lingus
  • Aer Lingus
  • 22/4-28/4
  • 2 total stops
  • 20h 45m total
  • Hartford to London
Search Deals
JetBlue
  • JetBlue
  • 28/2
  • 1 total stop
  • 11h 00m 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).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 26 January 2026.
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

Mon 9/3

06:00-07:10

2 stops21h 10m

London Heathrow

Wed 18/3

06:35-23:59

2 stops21h 24m

£458

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 12/3

10:28-06:40

1 stop16h 12m

London Heathrow

Thu 19/3

06:50-23:59

2 stops21h 09m

£462

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 10/3

10:28-10:50

1 stop20h 22m

London Heathrow

Tue 17/3

06:50-21:16

2 stops18h 26m

£462

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 20/4

06:00-06:45

1 stop19h 45m

London Heathrow

Tue 28/4

10:50-23:59

2 stops18h 09m

£473

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 13/4

19:44-06:55

1 stop30h 11m

London Heathrow

Fri 24/4

07:25-21:37

2 stops19h 12m

£473

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 19/4

06:00-10:40

1 stop23h 40m

London Heathrow

Tue 28/4

09:00-23:59

2 stops19h 59m

£473

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 26/4

06:00-06:30

2 stops19h 30m

London Heathrow

Tue 12/5

06:50-18:42

2 stops16h 52m

£475

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 14/3

17:50-07:50

1 stop34h 00m

London Heathrow

Tue 24/3

09:40-23:12

2 stops17h 32m

£481

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 17/2

08:05-12:40

3 stops47h 35m

£239

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 31/1

06:00-22:00

1 stop11h 00m

£256

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 17 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 23 January 2026.

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 £444). Flying from Hartford to London Heathrow Airport in January is currently the most expensive (average of £1,733). 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.

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 16h 12m. United Airlines provides one of the quickest options available for as low as £462. The distance from Hartford to London Heathrow Airport is about 3340 mi.

  • 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 £444). Flying from Hartford to London Heathrow Airport in January is currently the most expensive (average of £1,733). 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

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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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