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Heathrow

$226+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
feb. 22 — mar. 11
dom. 2/22
dom. 3/1
1 adult, Economy
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Cheap 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 enero 23, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/266:00 pm
BDL
-
LHR
1 stop10h 05m
British Airways
mar. 5/129:50 am
LHR
-
BDL
1 stop11h 40m
British Airways
Deal found 1/22$585
This United Airlines deal was found by Cheapflights users on 1/22. 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.
lun. 3/210:30 am
BDL
-
LHR
1 stop15h 10m
United Airlines
mar. 3/171:25 pm
LHR
-
BDL
2 stops28h 50m
United Airlines
Deal found 1/22$588
This United Airlines deal was found by Cheapflights users on 1/22. 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.
lun. 2/233:00 pm
BDL
-
LHR
1 stop14h 50m
United Airlines
vie. 3/69:00 am
LHR
-
BDL
2 stops17h 17m
United Airlines
Deal found 1/22$591
This oojo deal was found by Cheapflights users on 1/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/106:00 pm
BDL
-
LHR
1 stop12h 10m
British Airways
lun. 5/183:50 pm
LHR
-
BDL
1 stop29h 40m
British Airways
Deal found 1/22$595
This United Airlines deal was found by Cheapflights users on 1/22. 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.
mié. 3/43:00 pm
BDL
-
LHR
1 stop10h 40m
United Airlines
lun. 3/96:50 am
LHR
-
BDL
2 stops21h 09m
United Airlines
Deal found 1/22$605
This United Airlines deal was found by Cheapflights users on 1/22. 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.
sáb. 2/217:46 pm
BDL
-
LHR
1 stop29h 54m
United Airlines
sáb. 2/281:45 pm
LHR
-
BDL
2 stops36h 21m
United Airlines
Deal found 1/22$611
This United Airlines deal was found by Cheapflights users on 1/22. 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.
dom. 5/36:05 am
BDL
-
LHR
1 stop19h 50m
United Airlines
mié. 5/137:25 am
LHR
-
BDL
2 stops19h 00m
United Airlines
Deal found 1/22$612
This United Airlines deal was found by Cheapflights users on 1/22. 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.
dom. 3/86:00 am
BDL
-
LHR
1 stop21h 55m
United Airlines
dom. 3/158:30 am
LHR
-
BDL
2 stops19h 29m
United Airlines
Deal found 1/22$616
This Air Canada deal was found by Cheapflights users on 1/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/2310:30 am
BDL
-
LHR
3 stops17h 00m
Multiple Airlines
vie. 3/612:00 pm
LHR
-
BDL
2 stops16h 59m
Multiple Airlines
Deal found 1/22$620

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 enero 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$585
(American Airlines)

One-way from

$226
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$1,081
Provider with most accurate pricing for Hartford Bradley Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Hartford Bradley Intl-London Heathrow flights.
Search Deals
From Hartford Bradley Intl to London Heathrow
Search Deals
One-way flight from Hartford Bradley Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
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 January 2026
Search Deals

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 enero 23, 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

dom. 5/3

2:47 pm-6:55 am

1 stop11h 08m

London Heathrow

mié. 5/13

8:15 am-4:30 pm

1 stop13h 15m

$585

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

dom. 4/26

6:00 pm-9:05 am

1 stop10h 05m

London Heathrow

mar. 5/12

9:50 am-4:30 pm

1 stop11h 40m

$585

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

lun. 2/23

3:00 pm-10:50 am

1 stop14h 50m

London Heathrow

vie. 3/6

9:00 am-9:17 pm

2 stops17h 17m

$591

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

mié. 3/4

3:00 pm-6:40 am

1 stop10h 40m

London Heathrow

lun. 3/9

6:50 am-11:59 pm

2 stops21h 09m

$605

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

dom. 4/26

3:04 pm-6:55 am

1 stop10h 51m

London Heathrow

mar. 5/12

2:05 pm-2:08 pm

2 stops29h 03m

$605

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

lun. 3/2

6:00 am-7:10 am

2 stops20h 10m

London Heathrow

mar. 3/17

6:50 am-9:37 am

2 stops30h 47m

$608

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

sáb. 2/21

7:46 pm-6:40 am

1 stop29h 54m

London Heathrow

sáb. 2/28

1:45 pm-9:06 pm

2 stops36h 21m

$611

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

dom. 3/8

6:00 am-7:55 am

1 stop21h 55m

London Heathrow

dom. 3/15

8:30 am-11:59 pm

2 stops19h 29m

$616

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

jue. 2/19

7:46 pm-10:50 am

1 stop10h 04m

London Heathrow

jue. 2/26

10:25 am-9:06 pm

1 stop15h 41m

$633

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

lun. 5/4

3:04 pm-10:40 am

1 stop14h 36m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 18 results
1
2

Compare providers for flights from Hartford to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hartford to Heathrow in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hartford-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hartford-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hartford-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hartford-London Heathrow Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hartford-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 16, 2026.

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 73 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, March is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of $606). Flying from Hartford to London Heathrow Airport in January is currently the most expensive (average of $2,366). 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 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 enero 23, 2026.
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
7.9
Good
8,096 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,096 reviews
Delta
7.9
Good
8,096 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,193 reviews
Delta
7.9
Good
8,096 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,179 reviews
Delta
7.9
Good
8,096 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aer Lingus
7.2
Good
1,442 reviews
Delta
7.9
Good
8,096 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,894 reviews
Delta
7.9
Good
8,096 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 American Airlines and United Airlines fly from Hartford to London Heathrow Airport in about 11h 08m. The time it takes to get you to your destination can typically vary by up to 3h 42m. 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), Delta ($634), and United Airlines ($648) 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, March is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of $606). Flying from Hartford to London Heathrow Airport in January is currently the most expensive (average of $2,366). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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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Hartford to London City flights
John F Kennedy Intl to Southend flights
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Providence to Stansted flights
Newark to Southend flights
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New Haven to Gatwick flights
Providence to Luton flights
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 enero 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$642FlexibilityNo cancel feeOn-time62%
DeltaCheapest$634Average$833FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$648Average$976FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$655Average$868FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$704Average$959FlexibilityNo cancel feeOn-time71%

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