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Heathrow

$342+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 May 10, 2026.

This United Airlines deal was found by Cheapflights users on 5/7. 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 12/15:04 pm
BDL
-
LHR
1 stop33h 51m
United Airlines
Fri 12/47:30 am
LHR
-
BDL
2 stops21h 27m
United Airlines
Deal found 5/7$860
This JetBlue deal was found by Cheapflights users on 5/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
BDL
-
LHR
1 stop22h 30m
JetBlue
Wed 5/2011:55 am
LHR
-
BDL
1 stop16h 54m
JetBlue
Deal found 5/6$887
This Delta deal was found by Cheapflights users on 5/7. 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 10/142:20 pm
BDL
-
LHR
1 stop16h 00m
Delta
Wed 10/219:55 am
LHR
-
BDL
2 stops18h 42m
Delta
Deal found 5/7$890
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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.
Fri 5/86:00 am
BDL
-
LHR
1 stop9h 45m
JetBlue
Wed 5/1311:55 am
LHR
-
BDL
1 stop16h 54m
JetBlue
Deal found 5/6$891
This Cheapflightsfares deal was found by Cheapflights users on 5/8. 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.
Sat 5/96:00 am
BDL
-
LHR
1 stop9h 45m
JetBlue
Sun 5/178:15 am
LHR
-
BDL
1 stop20h 34m
JetBlue
Deal found 5/8$892
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 pm
BDL
-
LHR
1 stop11h 50m
Finnair
Wed 10/2112:15 pm
LHR
-
BDL
1 stop16h 35m
Finnair
Deal found 5/10$894
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 8/157:57 pm
BDL
-
LHR
1 stop29h 58m
United Airlines
Wed 9/26:50 am
LHR
-
BDL
2 stops22h 09m
United Airlines
Deal found 5/9$896
This Justfly.com deal was found by Cheapflights users on 5/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
BDL
-
LHR
1 stop9h 45m
JetBlue
Sun 5/178:15 am
LHR
-
BDL
1 stop20h 34m
JetBlue
Deal found 5/10$897
This United Airlines deal was found by Cheapflights users on 5/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:04 pm
BDL
-
LHR
2 stops35h 56m
United Airlines
Thu 9/246:50 am
LHR
-
BDL
2 stops22h 09m
United Airlines
Deal found 5/10$900

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$897
(Justfly.com)

One-way from

$342
(Delta)

Popular in

May

Cheapest in

February

Average price

$1,272
Provider with most accurate pricing for Hartford Bradley Intl-London Heathrow flight deals.
Search Deals
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. 17% potential increase in price ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 10, 2026.
Use the filters below to find and compare flights from Hartford to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 8/7

7:45 pm-10:40 am

1 stop9h 55m

London Heathrow

Sun 8/16

6:50 am-9:59 am

2 stops32h 09m

$966
Quickest round-trip

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 8/7

7:12 pm-1:15 pm

1 stop13h 03m

London Heathrow

Sun 8/16

11:15 am-10:29 pm

1 stop16h 14m

$989

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 7/31

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

Tue 8/4

2:05 pm-2:06 pm

2 stops29h 01m

$1,045

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 8/1

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

Sat 8/8

11:05 am-11:59 pm

2 stops41h 54m

$1,049

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 5/24

8:05 am-6:25 am

1 stop17h 20m

London Heathrow

Tue 6/9

9:55 am-11:35 pm

2 stops18h 40m

$1,066

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 7/24

5:03 pm-12:05 pm

2 stops14h 02m

London Heathrow

Fri 8/7

12:25 pm-11:58 pm

2 stops16h 33m

$1,066

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 6/6

7:00 am-6:25 am

1 stop18h 25m

London Heathrow

Sat 6/13

11:30 am-11:43 pm

2 stops17h 13m

$1,073

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 7/15

7:00 am-7:15 am

1 stop19h 15m

London Heathrow

Wed 8/5

11:30 am-11:51 pm

2 stops17h 21m

$1,074
Cheapest one-way

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 8/8

5:06 pm-7:10 am

1 stop33h 04m

$342

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 8/7

7:12 pm-1:15 pm

1 stop13h 03m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 20 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 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 FlightHub the most. FlightHub 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?

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 90 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, February is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of $634). Flying from Hartford to London Heathrow Airport in May is currently the most expensive (average of $1,272). 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 May 10, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andJetBlue 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.
United Airlines
7.4
Good
9,699 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,699 reviews
United Airlines
7.4
Good
9,699 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Aer Lingus
7.3
Good
1,551 reviews
United Airlines
7.4
Good
9,699 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
JetBlue
7.2
Good
2,974 reviews
United Airlines
7.4
Good
9,699 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,667 reviews
United Airlines
7.4
Good
9,699 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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.

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

    Airlines like United Airlines and KLM fly from Hartford to London Heathrow Airport in about 9h 55m. The time it takes to get you to your destination can typically vary by up to 3h 08m. 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), United Airlines ($627), and American Airlines ($629) 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, February is the cheapest month in which you can book a flight from Hartford to London Heathrow Airport (average of $634). Flying from Hartford to London Heathrow Airport in May is currently the most expensive (average of $1,272). 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Dorking
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Hartford to Heathrow

Discover the top 4 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$654FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$627Average$976FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$629Average$1,048FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$699Average$958FlexibilityNo cancel feeOn-timeN/A

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