HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$382+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LON
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hartford to London 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.

The best prices from Hartford Bradley Intl to London are usually found in January or April, booked 48 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$677
(United)

One-way from

$382
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$839
Provider with most accurate pricing for Hartford Bradley Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hartford Bradley Intl-London (LON) flights.
Search Deals
From Hartford Bradley Intl to London (LON)
Search Deals
One-way flight from Hartford Bradley Intl to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/192:49 pmBDL - LHR
1 stop11h 51mUnited Airlines
Wed 3/263:00 pmLHR - BDL
2 stops34h 45mUnited Airlines
Deal found 2/20$677
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Thu 4/105:20 amBDL - LGW
1 stop23h 40mMultiple Airlines
Wed 4/302:00 pmLGW - BDL
2 stops32h 00mMultiple Airlines
Deal found 2/20$695
This KLM deal was found by Cheapflights users on 2/20. 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.
Wed 3/192:24 pmBDL - LHR
1 stop13h 31mKLM
Wed 3/264:10 pmLHR - BDL
1 stop22h 19mKLM
Deal found 2/20$700
This Virgin Atlantic deal was found by Cheapflights users on 2/20. 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 4/162:25 pmBDL - LHR
1 stop15h 45mVirgin Atlantic
Fri 5/211:20 amLHR - BDL
1 stop17h 39mVirgin Atlantic
Deal found 2/20$703
This Finnair deal was found by Cheapflights users on 2/20. 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.
Thu 3/205:11 pmBDL - LHR
1 stop12h 54mMultiple Airlines
Thu 3/2712:10 pmLHR - BDL
1 stop15h 44mMultiple Airlines
Deal found 2/20$740
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Sun 4/133:02 pmBDL - LHR
2 stops15h 48mAir Canada
Fri 5/29:30 amLHR - BDL
2 stops19h 29mAir Canada
Deal found 2/20$743
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 4/184:59 pmBDL - LHR
2 stops15h 11mDelta
Fri 4/2511:45 amLHR - BDL
2 stops17h 14mDelta
Deal found 2/20$757
This Delta deal was found by Cheapflights users on 2/20. 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.
Thu 3/2011:34 amBDL - LCY
2 stops15h 41mDelta
Thu 3/278:40 amLCY - BDL
2 stops18h 19mDelta
Deal found 2/20$775
This Travelocity deal was found by Cheapflights users on 2/19. 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.
Wed 10/16:05 pmBDL - LHR
1 stop10h 00mAer Lingus
Sun 10/59:50 amLHR - BDL
1 stop11h 45mAer Lingus
Deal found 2/19$812
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Thu 3/206:50 pmBDL - STN
1 stop9h 00mMultiple Airlines
Thu 3/276:30 amSTN - BDL
1 stop14h 50mMultiple Airlines
Deal found 2/20$844
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Thu 3/206:50 pmBDL - LTN
1 stop9h 55mMultiple Airlines
Thu 3/279:00 amLTN - BDL
1 stop12h 20mMultiple Airlines
Deal found 2/20$847
This American Airlines deal was found by Cheapflights users on 2/19. 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 5/1412:35 pmBDL - LHR
1 stop14h 20mAmerican Airlines
Sat 5/3110:05 amLHR - BDL
1 stop15h 16mAmerican Airlines
Deal found 2/19$930

Find flights from Hartford to London within your budget

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 February 20, 2025.

Fly from

Hartford

Fly to

London

Route

Depart

Return

Price

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 3/19

2:49 pm-6:40 am

1 stop11h 51m

London Heathrow

Wed 3/26

3:00 pm-9:45 pm

2 stops34h 45m

$677

HartfordLondon

BDL - LGW

BDLLGW

Hartford Bradley Intl

Thu 4/10

5:20 am-10:00 am

1 stop23h 40m

London Gatwick

Wed 4/30

2:00 pm-5:00 pm

2 stops32h 00m

$695

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 3/19

2:24 pm-7:55 am

1 stop13h 31m

London Heathrow

Wed 3/26

4:10 pm-10:29 am

1 stop22h 19m

$700

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 4/16

2:25 pm-11:10 am

1 stop15h 45m

London Heathrow

Fri 5/2

11:20 am-11:59 pm

1 stop17h 39m

$703

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 3/20

5:11 pm-10:05 am

1 stop12h 54m

London Heathrow

Thu 3/27

12:10 pm-11:54 pm

1 stop15h 44m

$740

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 4/13

3:02 pm-11:50 am

2 stops15h 48m

London Heathrow

Fri 5/2

9:30 am-11:59 pm

2 stops19h 29m

$743

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 4/18

4:59 pm-1:10 pm

2 stops15h 11m

London Heathrow

Fri 4/25

11:45 am-11:59 pm

2 stops17h 14m

$757

HartfordLondon

BDL - LCY

BDLLCY

Hartford Bradley Intl

Thu 3/20

11:34 am-7:15 am

2 stops15h 41m

London City

Thu 3/27

8:40 am-10:59 pm

2 stops18h 19m

$775

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 5/15

6:05 pm-10:20 am

1 stop11h 15m

London Heathrow

Tue 5/20

7:40 am-4:35 pm

1 stop13h 55m

$828

HartfordLondon

BDL - STN

BDLSTN

Hartford Bradley Intl

Thu 3/20

6:50 pm-7:50 am

1 stop9h 00m

London Stansted

Thu 3/27

6:30 am-5:20 pm

1 stop14h 50m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 32 results
1
2
3
4

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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.

Travel insights for flights from Hartford to London

Get recent, data-driven insights about flights from Hartford to London including ideal travel times, pricing trends, and more.

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 February 14, 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 $1,136). 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 February 20, 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 February 20, 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
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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 United Airlines. Our recent data shows that you can find tickets from as low as $677 on this airline. Additional options worth looking into are KLM and Virgin Atlantic, starting at $700 and $703 round-trip. Users have found that United Airlines 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 Aer Lingus, with whom users have recently found tickets for as low as $481. However, be on the lookout for offers from Delta 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 $1,136). 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
Harrow
Luton
Wembley
Horley
Canterbury
Gatwick
Milton Keynes
Dover
Orpington
Watford
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Chelmsford

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 London

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
John F Kennedy Intl to Luton flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Edinburgh flights
LaGuardia to Gatwick flights
Newark to Edinburgh flights
Newark to Luton flights
Newark to Stansted flights
John F Kennedy Intl to Manchester flights
LaGuardia to Edinburgh flights
John F Kennedy Intl to Southampton flights
Newark to Manchester flights
LaGuardia to Manchester flights
Hartford to Heathrow flights
LaGuardia to London City flights
John F Kennedy Intl to Birmingham flights
Newark to Birmingham flights
Providence to Heathrow flights
LaGuardia to Birmingham flights
Hartford to London City flights
Newark to Southampton flights
John F Kennedy Intl to Leeds flights
Hartford to Gatwick flights
John F Kennedy Intl to Liverpool flights
LaGuardia to Leeds flights
Hartford to Edinburgh flights
Newark to Leeds flights
Providence to Edinburgh flights
Newark to Liverpool flights
John F Kennedy Intl to Newcastle upon Tyne flights
John F Kennedy Intl to Bristol flights
Providence to Gatwick flights
LaGuardia to Stansted flights
Hartford to Stansted flights
LaGuardia to Newcastle upon Tyne flights
Newark to Newcastle upon Tyne flights
Newark to Bristol flights
Hartford to Luton flights
LaGuardia to Bristol flights
LaGuardia to Luton flights
Hartford to Manchester flights
Providence to Manchester flights
John F Kennedy Intl to Southend flights
LaGuardia to Southampton flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$569Average$870FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$634Average$837FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$653Average$904FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$673Average$929FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$908Average$1,064FlexibilityNo cancel feeOn-time70%
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.