HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$324+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hartford to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 11, 2026.

This United Airlines deal was found by Cheapflights users on 6/9. 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 11/76:30 pm
BDL
-
LHR
2 stops31h 40m
United Airlines
Tue 11/106:50 am
LHR
-
BDL
2 stops22h 07m
United Airlines
Deal found 6/9$762
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 12/67:51 pm
BDL
-
LHR
2 stops33h 14m
United Airlines
Wed 12/99:00 am
LHR
-
BDL
2 stops19h 57m
United Airlines
Deal found 6/10$778
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am
BDL
-
LHR
1 stop9h 45m
JetBlue
Wed 11/1112:20 pm
LHR
-
BDL
1 stop16h 13m
JetBlue
Deal found 6/7$804
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:51 pm
BDL
-
LHR
2 stops16h 14m
Multiple Airlines
Wed 11/1112:20 pm
LHR
-
BDL
1 stop16h 13m
Multiple Airlines
Deal found 6/7$824
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:28 am
BDL
-
LHR
1 stop9h 17m
JetBlue
Fri 8/218:15 am
LHR
-
BDL
1 stop20h 44m
JetBlue
Deal found 6/7$828
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 pm
BDL
-
LHR
1 stop9h 05m
Multiple Airlines
Tue 9/228:15 am
LHR
-
BDL
1 stop20h 29m
Multiple Airlines
Deal found 6/10$845
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:40 pm
BDL
-
LHR
1 stop9h 25m
Multiple Airlines
Tue 11/1012:20 pm
LHR
-
BDL
1 stop16h 13m
Multiple Airlines
Deal found 6/9$857
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:03 pm
BDL
-
LHR
1 stop13h 52m
United Airlines
Sun 10/2511:05 am
LHR
-
BDL
2 stops38h 17m
United Airlines
Deal found 6/8$859
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am
BDL
-
LHR
2 stops19h 30m
Multiple Airlines
Sun 11/88:15 am
LHR
-
BDL
1 stop20h 18m
Multiple Airlines
Deal found 6/8$863

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$762
(United Airlines)

One-way from

$324
(Cheapflightsfares)

Popular in

May

Cheapest in

February

Average price

$1,271
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. 20% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 11, 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

Sun 12/6

7:51 pm-10:05 am

2 stops33h 14m

London Heathrow

Wed 12/9

9:00 am-11:57 pm

2 stops19h 57m

$778

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 10/14

2:20 pm-1:15 pm

1 stop17h 55m

London Heathrow

Tue 10/20

6:30 am-6:15 pm

2 stops16h 45m

$887
Quickest round-trip

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 9/17

11:35 am-6:25 am

1 stop13h 50m

London Heathrow

Tue 9/22

9:55 am-8:57 pm

2 stops16h 02m

$906

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 10/23

7:40 pm-10:40 am

1 stop10h 00m

London Heathrow

Wed 10/28

6:50 am-11:57 pm

2 stops21h 07m

$906

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 9/18

10:33 am-10:40 am

1 stop19h 07m

London Heathrow

Wed 9/23

6:50 am-11:59 pm

2 stops22h 09m

$906

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 9/17

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

Tue 9/22

6:50 am-7:00 pm

2 stops17h 10m

$906

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 11/27

1:00 pm-9:00 am

2 stops15h 00m

London Heathrow

Fri 12/4

8:40 am-11:32 pm

2 stops19h 52m

$911

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 10/15

9:44 am-10:00 am

2 stops19h 16m

London Heathrow

Mon 10/19

11:05 am-5:53 pm

2 stops35h 48m

$924
Cheapest one-way

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 7/25

6:28 am-8:45 pm

1 stop9h 17m

$329

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 9/15

10:33 am-8:20 am

2 stops16h 47m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 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 June.
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 $1,321). 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 June 11, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andAmerican 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.
United Airlines
7.4
Good
9,809 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,809 reviews
United Airlines
7.4
Good
9,809 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Aer Lingus
7.3
Good
1,603 reviews
United Airlines
7.4
Good
9,809 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,643 reviews
United Airlines
7.4
Good
9,809 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
JetBlue
7.1
Good
2,981 reviews
United Airlines
7.4
Good
9,809 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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, Delta, and Virgin Atlantic fly from Hartford to London Heathrow Airport in about 13h 50m. The time it takes to get you to your destination can typically vary by up to 19h 24m. 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 $1,321). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$654FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$627Average$976FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$629Average$1,124FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$684Average$950FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.