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$299+ Cheap flights from Hartford (BDL) to Heathrow (LHR)

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
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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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 Wednesday or Tuesday 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 July 28, 2025.

Round-trip from

$606
(United Airlines)

One-way from

$299
(JetBlue)

Popular in

June

Cheapest in

November

Average price

$1,040
From Hartford Bradley Intl to London Heathrow
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One-way flight from Hartford Bradley Intl to London Heathrow
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Highest demand for flights based on searches. 11% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This Netflights deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:00 amBDL - LHR
1 stop8h 45mJetBlue
Thu 11/2012:20 pmLHR - BDL
1 stop15h 30mJetBlue
Deal found 7/27$600
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:53 pmBDL - LHR
1 stop9h 47mUnited Airlines
Sun 9/287:45 amLHR - BDL
2 stops16h 07mUnited Airlines
Deal found 7/26$606
This Booking.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 amBDL - LHR
2 stops21h 35mMultiple Airlines
Tue 9/210:50 amLHR - BDL
2 stops18h 09mMultiple Airlines
Deal found 7/27$607
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:54 pmBDL - LHR
2 stops29h 36mAir Canada
Fri 9/129:30 amLHR - BDL
2 stops33h 31mAir Canada
Deal found 7/27$614
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:00 amBDL - LHR
1 stop18h 15mDelta
Tue 12/238:40 amLHR - BDL
2 stops19h 31mDelta
Deal found 7/26$624
This Expedia deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:53 pmBDL - LHR
2 stops17h 32mLufthansa
Sun 9/286:30 amLHR - BDL
2 stops22h 27mLufthansa
Deal found 7/26$649

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 28, 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 9/26

7:53 pm-10:40 am

1 stop9h 47m

London Heathrow

Sun 9/28

7:45 am-6:52 pm

2 stops16h 07m

$606

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 8/27

6:00 am-8:35 am

2 stops21h 35m

London Heathrow

Tue 9/2

10:50 am-11:59 pm

2 stops18h 09m

$607

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 9/2

7:54 pm-6:30 am

2 stops29h 36m

London Heathrow

Fri 9/12

9:30 am-2:01 pm

2 stops33h 31m

$614

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 9/3

8:00 am-7:15 am

1 stop18h 15m

London Heathrow

Tue 12/23

8:40 am-11:11 pm

2 stops19h 31m

$624

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 9/11

7:10 am-8:45 pm

1 stop8h 35m

London Heathrow

Thu 9/18

11:55 am-10:29 pm

1 stop15h 34m

$642

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 9/26

7:53 pm-6:25 pm

2 stops17h 32m

London Heathrow

Sun 9/28

6:30 am-11:57 pm

2 stops22h 27m

$649

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 9/9

7:10 am-8:45 pm

1 stop8h 35m

$299

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 9/10

2:57 pm-10:10 am

2 stops14h 13m

$393

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 10/7

6:00 am-6:30 am

2 stops19h 30m

$395

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 10/7

9:05 am-9:15 am

3 stops43h 10m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 11 results
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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 round-trip 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 round-trip flight from Hartford to Heathrow. Price data was last updated on July 25, 2025.

The price you pay for your flight from Hartford to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Hartford to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of $661). Flying from Hartford to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 July 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Hartford to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Hartford to London Heathrow Airport?

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 July 28, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue from Hartford to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,892 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,914 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,968 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,813 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Hartford Bradley Intl (BDL) is the airport you will fly out of if you book a flight from Hartford to London Heathrow. You should not have trouble finding flights to London Heathrow from Bradley Intl; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Hartford airport to London Heathrow. It is only a 11.9 mi journey to Bradley Intl (BDL) from Hartford’s city center.

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

    According to our current data, United Airlines ($606), Air Canada ($614), and Delta ($624) offers the cheapest pricing from Hartford to London Heathrow Airport. Users have found that United Airlines is 33% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $299. However, be on the lookout for offers from United Airlines and Air Canada, as they are both options that can get you from Hartford to London Heathrow Airport for a low price.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of $661). Flying from Hartford to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hartford to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Heathrow flights
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John F Kennedy Intl to Southend flights
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Hartford to Stansted flights
Hartford to Luton flights
Providence to Gatwick flights
Providence to Stansted flights
New Haven to Gatwick flights
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Hartford to Southend flights

Top 5 airlines flying from Hartford to Heathrow

Discover the top 5 airlines that operate flights from Hartford to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$16FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$569Average$855FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$634Average$891FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$962FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$704Average$943FlexibilityNo cancel feeOn-time71%

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