HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$360+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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.

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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$684
(United Airlines)

One-way from

$360
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$839
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. 10% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 15, 2025.

This United Airlines deal was found by Cheapflights users on 4/13. 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 5/136:00 amBDL - LHR
2 stops19h 30mUnited Airlines
Tue 5/202:05 pmLHR - BDL
2 stops29h 10mUnited Airlines
Deal found 4/13$684
This Delta deal was found by Cheapflights users on 4/14. 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 5/132:59 pmBDL - LHR
1 stop17h 31mDelta
Wed 5/216:30 amLHR - BDL
2 stops16h 43mDelta
Deal found 4/14$694
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:15 pmBDL - LHR
1 stop12h 00mAmerican Airlines
Tue 4/2912:30 pmLHR - BDL
1 stop14h 54mAmerican Airlines
Deal found 4/14$707
This Travelocity deal was found by Cheapflights users on 4/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:05 pmBDL - LHR
1 stop11h 15mAer Lingus
Wed 4/307:40 amLHR - BDL
1 stop13h 55mAer Lingus
Deal found 4/14$708
This Air Canada deal was found by Cheapflights users on 4/15. 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.
Tue 5/610:31 amBDL - LHR
3 stops14h 59mMultiple Airlines
Wed 5/142:05 pmLHR - BDL
2 stops14h 54mMultiple Airlines
Deal found 4/15$711
This Virgin Atlantic deal was found by Cheapflights users on 4/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/74:45 pmBDL - LHR
2 stops14h 50mVirgin Atlantic
Wed 5/2811:30 amLHR - BDL
2 stops16h 25mVirgin Atlantic
Deal found 4/14$713
This Air Canada deal was found by Cheapflights users on 4/15. 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.
Tue 5/610:31 amBDL - LHR
3 stops14h 59mAir Canada
Wed 5/148:30 amLHR - BDL
3 stops20h 29mAir Canada
Deal found 4/15$718
This Expedia deal was found by Cheapflights users on 4/14. 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 5/127:52 pmBDL - LHR
2 stops14h 48mLufthansa
Mon 5/198:25 pmLHR - BDL
2 stops32h 34mLufthansa
Deal found 4/14$726
This JetBlue Airways deal was found by Cheapflights users on 4/15. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:30 amBDL - LHR
1 stop9h 15mJetBlue
Sat 11/1512:20 pmLHR - BDL
1 stop15h 31mJetBlue
Deal found 4/15$743
This KLM deal was found by Cheapflights users on 4/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:50 amBDL - LHR
1 stop13h 55mKLM
Sun 9/289:20 amLHR - BDL
1 stop13h 41mKLM
Deal found 4/14$757
This Finnair deal was found by Cheapflights users on 4/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/105:01 pmBDL - LHR
1 stop12h 29mFinnair
Sat 5/179:15 amLHR - BDL
1 stop18h 00mFinnair
Deal found 4/14$795
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Thu 5/157:14 amBDL - LHR
2 stops21h 36mTurkish Airlines
Tue 5/206:30 amLHR - BDL
2 stops21h 38mTurkish Airlines
Deal found 4/14$1,004

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 April 15, 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

Tue 5/13

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

Tue 5/20

2:05 pm-2:15 pm

2 stops29h 10m

$684

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 9/9

6:00 am-6:30 am

2 stops19h 30m

London Heathrow

Thu 9/25

9:30 am-11:50 pm

2 stops19h 20m

$689

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 5/13

2:59 pm-1:30 pm

1 stop17h 31m

London Heathrow

Wed 5/21

6:30 am-6:13 pm

2 stops16h 43m

$694

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 5/13

5:15 pm-1:30 pm

1 stop15h 15m

London Heathrow

Tue 5/20

3:15 pm-11:59 pm

1 stop13h 44m

$707

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 4/26

6:05 pm-10:20 am

1 stop11h 15m

London Heathrow

Wed 4/30

7:40 am-4:35 pm

1 stop13h 55m

$708

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 5/6

10:31 am-6:30 am

3 stops14h 59m

London Heathrow

Wed 5/14

8:30 am-11:59 pm

3 stops20h 29m

$718

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 5/12

7:52 pm-3:40 pm

2 stops14h 48m

London Heathrow

Mon 5/19

8:25 pm-11:59 pm

2 stops32h 34m

$726

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 5/14

4:22 pm-6:40 am

1 stop9h 18m

London Heathrow

Sat 5/31

10:05 am-8:30 pm

1 stop15h 25m

$783

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 5/10

5:01 pm-10:30 am

1 stop12h 29m

London Heathrow

Sat 5/17

9:15 am-10:15 pm

1 stop18h 00m

$795

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 6/6

7:00 am-8:45 pm

1 stop8h 45m

London Heathrow

Wed 6/11

11:55 am-10:54 pm

1 stop15h 59m

$907

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 21 results
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Hartford-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 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 $1,110). 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 April 15, 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.

What is the cheapest day to fly from Hartford to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Hartford to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Hartford to London Heathrow Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 15, 2025.
Read through reviews of airlines operating flights from Hartford to London, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,927 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 ($684), Delta ($694), and American Airlines ($707) offers the cheapest pricing from Hartford to London Heathrow Airport. Users have found that United Airlines is 24% 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 Aer Lingus, with whom users have recently found tickets for as low as $406. 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 $1,110). 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 Hartford?

Book flights to Hartford if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Wembley
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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.

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
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
Newark to London City flights
LaGuardia to Gatwick 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
Hartford to London City flights
Hartford to Gatwick flights
Providence to Heathrow flights
Hartford to Stansted flights
LaGuardia to Luton flights
Providence to Gatwick flights
Hartford to Luton flights
John F Kennedy Intl to Southend flights
Providence to Stansted flights
New Haven to Heathrow flights
Newark to Southend flights
New Haven to Gatwick flights
Providence to Luton flights
Hartford to Southend flights

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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$569Average$864FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$634Average$837FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$698Average$942FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$704Average$944FlexibilityNo cancel feeOn-time71%

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.