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$268+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Hartford Bradley Intl to London Heathrow are usually found in October or November, 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 September 11, 2025.

Round-trip from

$585
(lastminute.com)

One-way from

$268
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$798
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. 10% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This lastminute.com deal was found by Cheapflights users on 9/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:36 pmBDL - LHR
1 stop11h 39mVirgin Atlantic
Wed 10/811:20 amLHR - BDL
1 stop15h 49mVirgin Atlantic
Deal found 9/11$585
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/57:50 pmBDL - LHR
1 stop10h 00mUnited Airlines
Sun 12/77:00 amLHR - BDL
2 stops16h 53mUnited Airlines
Deal found 9/11$600
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/302:51 pmBDL - LHR
1 stop14h 49mUnited Airlines
Tue 10/142:05 pmLHR - BDL
2 stops29h 28mUnited Airlines
Deal found 9/11$608
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:05 pmBDL - LHR
1 stop12h 05mAer Lingus
Wed 10/89:50 amLHR - BDL
1 stop11h 45mAer Lingus
Deal found 9/11$614
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/110:33 amBDL - LHR
2 stops14h 57mUnited Airlines
Wed 10/83:50 pmLHR - BDL
2 stops32h 02mUnited Airlines
Deal found 9/11$615
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/2210:33 amBDL - LHR
1 stop19h 07mUnited Airlines
Wed 10/296:35 amLHR - BDL
2 stops21h 24mUnited Airlines
Deal found 9/9$616
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amBDL - LHR
2 stops22h 35mAir Canada
Tue 10/142:05 pmLHR - BDL
2 stops14h 52mAir Canada
Deal found 9/11$622
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 9/2211:56 amBDL - LHR
1 stop13h 49mDelta
Wed 10/811:30 amLHR - BDL
2 stops16h 59mDelta
Deal found 9/11$623
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/710:33 amBDL - LHR
2 stops14h 22mUnited Airlines
Tue 10/147:45 amLHR - BDL
2 stops16h 07mUnited Airlines
Deal found 9/9$624
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 9/305:08 pmBDL - LHR
2 stops15h 22mDelta
Tue 10/148:40 amLHR - BDL
2 stops19h 34mDelta
Deal found 9/10$629

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 September 11, 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 12/5

7:50 pm-10:50 am

1 stop10h 00m

London Heathrow

Sun 12/7

7:00 am-6:53 pm

2 stops16h 53m

$600

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 10/1

10:33 am-6:30 am

2 stops14h 57m

London Heathrow

Tue 10/7

2:05 pm-2:33 pm

2 stops29h 28m

$608

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 10/1

10:33 am-6:30 am

2 stops14h 57m

London Heathrow

Wed 10/8

3:50 pm-6:52 pm

2 stops32h 02m

$615

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 11/11

7:55 pm-10:50 am

1 stop9h 55m

London Heathrow

Wed 11/19

11:10 am-11:59 pm

2 stops17h 49m

$616

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 9/22

11:56 am-6:45 am

1 stop13h 49m

London Heathrow

Wed 10/8

11:30 am-11:29 pm

2 stops16h 59m

$623

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 10/1

5:08 pm-1:30 pm

1 stop15h 22m

London Heathrow

Wed 10/8

11:30 am-11:29 pm

2 stops16h 59m

$623

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 10/28

2:12 pm-6:25 am

1 stop12h 13m

London Heathrow

Wed 2/18

11:30 am-11:47 pm

2 stops17h 17m

$623

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 11/5

12:32 pm-9:00 am

1 stop15h 28m

London Heathrow

Fri 11/14

8:55 am-11:22 pm

2 stops19h 27m

$624

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 9/30

5:08 pm-1:30 pm

2 stops15h 22m

London Heathrow

Tue 10/14

8:40 am-11:14 pm

2 stops19h 34m

$629

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 10/7

6:51 pm-1:10 pm

1 stop13h 19m

London Heathrow

Tue 10/14

12:25 pm-11:56 pm

1 stop16h 31m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 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 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 August 29, 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 $1,098). 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 September 11, 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.

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 September 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines 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
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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!
Aer Lingus
7.2
Good
1,271 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7.2
Good
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 5 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.

  • How long is the flight from Hartford to London Heathrow Airport?

    Airlines like United Airlines and Delta fly from Hartford to London Heathrow Airport in about 10h. The time it takes to get you to your destination can typically vary by up to 3h 49m. The distance from Hartford to London Heathrow Airport is about 3340 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, JetBlue ($16), Aer Lingus ($655), and United Airlines ($680) offers the cheapest pricing from Hartford to London Heathrow Airport. Users have found that JetBlue is 98% cheaper than the other options available to this destination.

  • 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 $1,098). 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
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Gatwick flights
Newark to London City flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Luton flights
Newark to Stansted flights
Newark to Luton flights
LaGuardia to London City flights
LaGuardia to Stansted flights
LaGuardia to Luton flights
Providence to Heathrow flights
John F Kennedy Intl to Southend flights
Hartford to Gatwick flights
Hartford to London City flights
Hartford to Stansted flights
Providence to Gatwick flights
Hartford to Luton flights
Newark to Southend flights
Hartford to Southend flights
New Haven to Heathrow flights
New Haven to Gatwick flights
Providence to Luton flights
Providence to Stansted 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$642FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$655Average$869FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$962FlexibilityNo cancel feeOn-time69%
DeltaCheapest$696Average$896FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$714Average$960FlexibilityNo cancel feeOn-time71%

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