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$355+ Cheap flights from Hartford (BDL) to London (LON)

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LON
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Hartford Bradley Intl to London are usually found in January or April, booked 47 days in advance, depart on a Monday or Sunday and return on a Friday

Cheap flight deals from Hartford to London

Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) to London (LON). 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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$677
(Mytrip)

One-way from

$355
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$871
Provider with most accurate pricing for Hartford Bradley Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Hartford Bradley Intl-London (LON) flights.
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From Hartford Bradley Intl to London (LON)
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One-way flight from Hartford Bradley Intl to London (LON)
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Highest demand for flights based on searches. 15% potential increase in price ($165 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 March 2025
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Find flight deals from Hartford to London

Cheapest flights from Hartford to London
Explore the most affordable flight options available from Hartford to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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.
sáb. 4/261:43 pmBDL - LGW
2 stops35h 37mMultiple Airlines
dom. 5/42:00 pmLGW - BDL
1 stop15h 15mMultiple Airlines
Deal found 3/27$677
This JetBlue deal was found by Cheapflights users on 3/26. 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.
lun. 5/57:00 amBDL - LHR
1 stop21h 30mJetBlue
mar. 5/208:15 amLHR - BDL
1 stop19h 53mJetBlue
Deal found 3/26$690
This Expedia deal was found by Cheapflights users on 3/26. 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.
mié. 4/306:05 pmBDL - LHR
1 stop12h 05mAer Lingus
mar. 5/68:50 amLHR - BDL
1 stop12h 45mAer Lingus
Deal found 3/26$770
This American Airlines deal was found by Cheapflights users on 3/26. 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.
mié. 4/3012:35 pmBDL - LHR
1 stop14h 20mAmerican Airlines
mar. 5/62:25 pmLHR - BDL
1 stop12h 50mAmerican Airlines
Deal found 3/26$782
This United Airlines deal was found by Cheapflights users on 3/27. 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. 9/1510:23 amBDL - LHR
1 stop19h 17mUnited Airlines
vie. 9/262:05 pmLHR - BDL
2 stops28h 44mUnited Airlines
Deal found 3/27$805
This Mytrip deal was found by Cheapflights users on 3/27. 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.
jue. 4/242:56 pmBDL - LHR
2 stops15h 54mMultiple Airlines
jue. 5/19:30 amLHR - BDL
2 stops19h 29mMultiple Airlines
Deal found 3/27$806
This Delta deal was found by Cheapflights users on 3/27. 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.
vie. 4/187:06 pmBDL - LHR
1 stop13h 24mDelta
vie. 4/256:30 amLHR - BDL
2 stops15h 06mDelta
Deal found 3/27$818
This KLM deal was found by Cheapflights users on 3/27. 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.
jue. 4/177:06 pmBDL - LHR
1 stop13h 24mKLM
mar. 4/221:05 pmLHR - BDL
1 stop15h 54mKLM
Deal found 3/27$821
This Air Canada deal was found by Cheapflights users on 3/27. 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.
mar. 10/2110:23 amBDL - LHR
3 stops15h 07mAir Canada
sáb. 11/152:30 pmLHR - BDL
3 stops24h 17mAir Canada
Deal found 3/27$845
This United Airlines deal was found by Cheapflights users on 3/27. 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. 8/272:48 pmBDL - LCY
2 stops20h 37mMultiple Airlines
lun. 9/17:10 pmLCY - BDL
2 stops27h 28mMultiple Airlines
Deal found 3/27$879
This Booking.com deal was found by Cheapflights users on 3/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/272:48 pmBDL - LCY
2 stops22h 47mLufthansa
lun. 9/17:10 pmLCY - BDL
2 stops33h 47mLufthansa
Deal found 3/28$889
This KAYAK deal was found by Cheapflights users on 3/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/237:40 pmBDL - LHR
2 stops15h 00mLufthansa
mar. 4/298:25 pmLHR - BDL
2 stops32h 33mLufthansa
Deal found 3/26$905

Cheapflights Fare Finder

Customize your flight search to find flights from Hartford to London 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 marzo 28, 2025.
Use the filters below to find and compare flights from Hartford to London that are best for you.

Fly from

Hartford

Fly to

London

Route

Depart

Return

Price

HartfordLondon

BDL - LGW

BDLLGW

Hartford Bradley Intl

sáb. 4/26

1:43 pm-6:20 am

2 stops35h 37m

London Gatwick

dom. 5/4

2:00 pm-12:15 am

1 stop15h 15m

$677

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

mié. 4/30

12:20 pm-6:20 am

1 stop13h 00m

London Heathrow

mar. 5/13

7:25 am-6:56 pm

2 stops16h 31m

$767

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

mié. 4/30

5:21 pm-8:55 am

1 stop10h 34m

London Heathrow

mar. 5/13

3:15 pm-11:59 pm

1 stop13h 44m

$782

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

jue. 4/24

2:56 pm-11:50 am

2 stops15h 54m

London Heathrow

jue. 5/1

9:30 am-11:59 pm

2 stops19h 29m

$806

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

vie. 8/8

6:05 pm-12:40 pm

1 stop13h 35m

London Heathrow

mié. 8/20

8:50 am-4:35 pm

1 stop12h 45m

$815

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

vie. 4/18

7:06 pm-1:30 pm

1 stop13h 24m

London Heathrow

vie. 4/25

6:30 am-4:36 pm

2 stops15h 06m

$818

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

mié. 4/23

4:02 pm-7:55 am

1 stop10h 53m

London Heathrow

mié. 4/30

9:15 am-6:33 pm

1 stop14h 18m

$820

HartfordLondon

BDL - LCY

BDLLCY

Hartford Bradley Intl

mié. 8/27

2:48 pm-4:25 pm

2 stops20h 37m

London City

lun. 9/1

7:10 pm-5:38 pm

2 stops27h 28m

$879

HartfordLondon

BDL - LCY

BDLLCY

Hartford Bradley Intl

mié. 8/27

2:48 pm-6:35 pm

2 stops22h 47m

London City

lun. 9/1

7:10 pm-11:57 pm

2 stops33h 47m

$889

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

mar. 5/6

10:31 am-6:30 am

3 stops14h 59m

London Heathrow

mar. 5/13

8:30 am-11:59 pm

3 stops20h 29m

$891

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 45 results
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Compare providers for flights from Hartford to London

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 London in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hartford-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hartford-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hartford-London 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London 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

How far ahead should I book a flight from Hartford to London?

Use this chart to determine the optimal time to book a round-trip flight from Hartford to London. Price data was last updated on March 21, 2025.

The price you pay for your flight from Hartford to London may vary depending on when you book. For the best chance of a lower fare, look to book 47 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?

Currently, November is the cheapest month in which you can book a flight from Hartford to London (average of $661). Flying from Hartford to London in June is currently the most expensive (average of $1,115). 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 LON?

Find hourly flight availability from Hartford to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 28, 2025.

One of the essential ways to save on airfare from Hartford to London is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 5% on airfare.

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

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

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

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated marzo 28, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Hartford to London. 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
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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 London. 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?

    Most people fly from Hartford Bradley Intl (BDL) if they book a flight from Hartford to London. On average, Bradley Intl has 0 outbound flights to London per day from 5 airlines. Hartford Bradley Intl is conveniently located just 11.9 mi from Hartford’s city center.

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

    Our cheapest airline available from Hartford to London is JetBlue. Our recent data shows that you can find tickets from as low as $690 on this airline. Additional options worth looking into are Aer Lingus and American Airlines, starting at $770 and $782 round-trip. Users have found that JetBlue is 23% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Hartford to London one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $488. However, be on the lookout for offers from KLM and Air Canada, as they are both options that can get you from Hartford to London for a low price.

  • What are the most popular routes from Hartford to London?

    Most travelers choose Hartford Bradley Intl - London Heathrow, Hartford Bradley Intl - London City or Hartford Bradley Intl - London Gatwick when deciding on the best route from Hartford to London.

  • Can I find deals for flights from Hartford to London that include hotel bookings?

    Yes. In addition to deals on Hartford to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hartford to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hartford to London.

  • Can I find deals for business class flights from Hartford to London?

    Yes. Cheapflights offers flight deals from Hartford to London 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?

    Currently, November is the cheapest month in which you can book a flight from Hartford to London (average of $661). Flying from Hartford to London in June is currently the most expensive (average of $1,115). 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Sutton

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Alternative routes for Hartford to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Hartford to London

Discover the top 5 airlines that operate flights from Hartford to London. 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$569Average$862FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$634Average$891FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$935FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$700Average$936FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$908Average$1,064FlexibilityNo cancel feeOn-time70%
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