London

$201+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LON
Apr 15 — Apr 221
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Cheap 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 March 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:13 pm
BDL
-
LGW
2 stops34h 47m
Multiple Airlines
Tue 4/72:00 pm
LGW
-
BDL
1 stop26h 01m
Multiple Airlines
Deal found 3/15$615
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Sat 5/96:00 pm
BDL
-
LTN
1 stop9h 20m
Multiple Airlines
Fri 5/156:20 am
LTN
-
BDL
1 stop15h 10m
Multiple Airlines
Deal found 3/11$620
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Sat 5/96:00 pm
BDL
-
STN
1 stop8h 50m
Multiple Airlines
Fri 5/156:35 am
STN
-
BDL
1 stop14h 55m
Multiple Airlines
Deal found 3/11$623
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Sat 5/96:00 pm
BDL
-
LGW
1 stop9h 15m
Multiple Airlines
Fri 5/158:55 am
LGW
-
BDL
1 stop12h 35m
Multiple Airlines
Deal found 3/11$628
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 11/96:30 pm
BDL
-
LHR
2 stops31h 40m
United Airlines
Thu 11/126:50 am
LHR
-
BDL
2 stops22h 07m
United Airlines
Deal found 3/13$662
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 pm
BDL
-
LTN
1 stop10h 15m
Multiple Airlines
Tue 4/289:40 am
LTN
-
BDL
1 stop11h 50m
Multiple Airlines
Deal found 3/14$673
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 pm
BDL
-
LGW
1 stop10h 20m
Multiple Airlines
Tue 4/289:40 am
LGW
-
BDL
1 stop11h 50m
Multiple Airlines
Deal found 3/14$677
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 pm
BDL
-
STN
1 stop10h 50m
Multiple Airlines
Tue 4/286:30 am
STN
-
BDL
1 stop15h 00m
Multiple Airlines
Deal found 3/14$677
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:42 pm
BDL
-
LGW
1 stop32h 18m
Multiple Airlines
Wed 5/62:00 pm
LGW
-
BDL
2 stops38h 11m
Multiple Airlines
Deal found 3/12$731
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:42 pm
BDL
-
LGW
1 stop32h 18m
Multiple Airlines
Fri 5/82:00 pm
LGW
-
BDL
2 stops38h 59m
Multiple Airlines
Deal found 3/12$741
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:42 pm
BDL
-
LGW
1 stop32h 18m
Multiple Airlines
Wed 5/62:00 pm
LGW
-
BDL
2 stops38h 11m
Multiple Airlines
Deal found 3/12$748
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:42 pm
BDL
-
LGW
1 stop32h 18m
Multiple Airlines
Sat 5/92:00 pm
LGW
-
BDL
2 stops44h 10m
Multiple Airlines
Deal found 3/12$754

Find 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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$620
(Mytrip)

One-way from

$201
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$801
Provider with most accurate pricing for Hartford Bradley Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Hartford Bradley Intl-London (LON) flights.
From Hartford Bradley Intl to London (LON)
One-way flight from Hartford Bradley Intl to London (LON)
Highest demand for flights based on searches. 13% potential increase in price ($134 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 16, 2026.
Use the filters below to find and compare flights from Hartford to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 4/27

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Mon 5/4

11:55 am-11:44 pm

1 stop16h 49m

$809

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 4/28

3:04 pm-10:25 am

2 stops14h 21m

London Heathrow

Tue 5/5

6:50 am-6:42 pm

2 stops16h 52m

$846

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 5/6

5:17 pm-1:15 pm

2 stops14h 58m

London Heathrow

Wed 5/13

8:40 am-11:35 pm

2 stops19h 55m

$846

HartfordLondon

BDL - LGW

BDLLGW

Hartford Bradley Intl

Tue 4/28

7:00 am-9:25 am

2 stops21h 25m

London Gatwick

Tue 5/5

10:35 am-11:59 pm

2 stops18h 24m

$854

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 4/13

5:10 pm-11:55 am

1 stop13h 45m

London Heathrow

Mon 4/20

5:50 pm-11:59 pm

2 stops35h 09m

$854

HartfordLondon

BDL - LGW

BDLLGW

Hartford Bradley Intl

Sat 4/25

5:17 pm-4:00 pm

2 stops41h 43m

London Gatwick

Thu 5/7

10:25 am-12:33 am

2 stops19h 08m

$859

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 4/18

5:10 pm-6:45 am

1 stop32h 35m

London Heathrow

Mon 4/27

5:50 pm-6:48 pm

2 stops29h 58m

$860

HartfordLondon

BDL - LTN

BDLLTN

Hartford Bradley Intl

Tue 4/28

6:00 pm-9:15 am

1 stop10h 15m

London Luton

Tue 5/5

9:40 am-11:46 pm

2 stops19h 06m

$867

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 4/9

4:09 pm-10:30 am

1 stop13h 21m

London Heathrow

Thu 4/16

2:45 pm-10:57 pm

1 stop13h 12m

$870

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 4/18

4:09 pm-10:30 am

1 stop13h 21m

London Heathrow

Tue 4/28

12:35 pm-11:59 pm

1 stop16h 24m

$870

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 60 resultsSorted by cheapest first
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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
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 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 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 13, 2026.

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 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How much does it cost to fly round-trip from Hartford to London?

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 March 16, 2026.
Read reviews from past customers who have flown United Airlines,Aer Lingus, andJetBlue from Hartford to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 4 airlines. Hartford Bradley Intl is conveniently located just 11.9 mi from Hartford’s city center.

  • How long is the flight from Hartford to London?

    For as low as $809, JetBlue can have you in London from Hartford in 9h 45m. The distance from Hartford to London is about 3340 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $16 on this airline. Additional options worth looking into are United Airlines and Aer Lingus, starting at $627 and $655 round-trip. Users have found that JetBlue is 98% cheaper than the other options available to this destination.

  • What are the most popular routes 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Hartford to London

Discover the top 4 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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$654FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$627Average$976FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$655Average$914FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$704Average$999FlexibilityNo cancel feeOn-time71%

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