HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$272+ Cheap flights from Hartford (BDL) to the United Kingdom

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hartford to United Kingdom 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 United Kingdom

Keep the following information in mind while searching for Hartford to United Kingdom flight deals. Data was last updated September 16, 2025.

Round-trip from

$564
(Kiwi.com)

One-way from

$272
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$827
From Hartford Bradley Intl to United Kingdom
Search Deals
One-way flight from Hartford Bradley Intl to United Kingdom
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Hartford to United Kingdom

Cheapest flights from Hartford to United Kingdom
Explore the most affordable flight options available from Hartford to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This lastminute.com deal was found by Cheapflights users on 9/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/212:36 pmBDL - LHR
1 stop11h 39mVirgin Atlantic
Tue 10/711:20 amLHR - BDL
1 stop15h 49mVirgin Atlantic
Deal found 9/14$589
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:40 pmBDL - STN
1 stop11h 10mMultiple Airlines
Thu 11/66:30 amSTN - BDL
1 stop14h 40mMultiple Airlines
Deal found 9/15$603
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:40 pmBDL - LTN
1 stop17h 20mMultiple Airlines
Thu 11/69:00 amLTN - BDL
1 stop12h 10mMultiple Airlines
Deal found 9/15$607
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:00 amBDL - LHR
2 stops22h 35mUnited Airlines
Tue 10/79:30 amLHR - BDL
2 stops41h 13mUnited Airlines
Deal found 9/14$608
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:56 pmBDL - LHR
1 stop14h 59mUnited Airlines
Wed 11/56:35 amLHR - BDL
2 stops17h 16mUnited Airlines
Deal found 9/14$616
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:00 amBDL - LHR
2 stops19h 35mAir Canada
Fri 10/244:00 pmLHR - BDL
2 stops31h 52mAir Canada
Deal found 9/14$621
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:40 pmBDL - LGW
1 stop9h 50mMultiple Airlines
Thu 11/68:50 amLGW - BDL
1 stop12h 20mMultiple Airlines
Deal found 9/15$624
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:00 amBDL - LHR
1 stop18h 45mDelta
Tue 10/148:40 amLHR - BDL
2 stops18h 29mDelta
Deal found 9/15$624
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:10 amBDL - LHR
1 stop18h 45mUnited Airlines
Mon 11/174:40 pmLHR - BDL
2 stops31h 11mUnited Airlines
Deal found 9/14$626
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:53 pmBDL - LHR
1 stop9h 47mUnited Airlines
Tue 10/712:15 pmLHR - BDL
1 stop11h 37mUnited Airlines
Deal found 9/15$631
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:10 amBDL - LHR
2 stops22h 25mUnited Airlines
Mon 10/65:50 pmLHR - BDL
2 stops30h 02mUnited Airlines
Deal found 9/14$634
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:33 amBDL - LHR
3 stops14h 57mMultiple Airlines
Tue 10/72:05 pmLHR - BDL
2 stops14h 52mMultiple Airlines
Deal found 9/14$637

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hartford to United Kingdom 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 September 16, 2025.
Use the filters below to find and compare flights from Hartford to the United Kingdom that are best for you.

Fly from

Hartford

Fly to

United Kingdom

Route

Depart

Return

Price

HartfordLondon

BDL - STN

BDLSTN

Hartford Bradley Intl

Thu 10/30

6:40 pm-9:50 am

1 stop11h 10m

London Stansted

Thu 11/6

6:30 am-4:10 pm

1 stop14h 40m

$603

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 10/1

6:00 am-9:35 am

2 stops22h 35m

London Heathrow

Tue 10/7

9:30 am-9:43 pm

2 stops41h 13m

$608

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 3/1

10:30 am-10:50 am

1 stop19h 20m

London Heathrow

Wed 3/11

1:25 pm-1:49 pm

2 stops28h 24m

$608

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 10/29

12:56 pm-7:55 am

1 stop14h 59m

London Heathrow

Wed 11/5

6:35 am-6:51 pm

2 stops17h 16m

$616

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 3/1

6:00 am-11:20 am

2 stops24h 20m

London Heathrow

Wed 3/11

11:10 am-1:49 pm

2 stops30h 39m

$621

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 9/30

11:56 am-7:15 am

1 stop14h 19m

London Heathrow

Tue 10/14

8:40 am-11:14 pm

2 stops19h 34m

$624

HartfordLondon

BDL - LGW

BDLLGW

Hartford Bradley Intl

Thu 10/30

6:40 pm-8:30 am

1 stop9h 50m

London Gatwick

Thu 11/6

8:50 am-4:10 pm

1 stop12h 20m

$624

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 10/14

4:59 pm-1:30 pm

1 stop15h 31m

London Heathrow

Fri 10/24

11:45 am-11:14 pm

1 stop16h 29m

$631

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 10/28

2:12 pm-9:00 am

1 stop14h 48m

London Heathrow

Wed 2/18

12:30 pm-9:16 pm

1 stop13h 46m

$631

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 2/24

3:00 pm-6:40 am

1 stop10h 40m

London Heathrow

Tue 3/3

12:05 pm-11:56 pm

1 stop16h 51m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Hartford to United Kingdom

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

What is the cheapest month to book a flight from Hartford to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Hartford to United Kingdom (average of $661). Flying from Hartford to United Kingdom in June is currently the most expensive (average of $1,097). 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 GB?

Find hourly flight availability from Hartford to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hartford to United Kingdom as you normally would.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Hartford to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.2
Good
1,274 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.2
Good
2,914 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Hartford to United Kingdom. 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 United Kingdom?

    For a flight from Hartford to United Kingdom, you will be flying from Bradley Intl. Hartford Bradley Intl (BDL) is just 11.9 mi from the center of the city.

  • How long is the flight from Hartford to United Kingdom?

    For as low as $624, United Airlines can have you in United Kingdom from Hartford in 14h 19m. Airlines will cover a distance of 3340 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $299. Users have also found prices from $410 and $424 on Aer Lingus and American Airlines, respectively.

  • What are the most popular routes from Hartford to United Kingdom?

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

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

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

  • How can I find direct flights from Hartford to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Hartford to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Hartford to United Kingdom (average of $661). Flying from Hartford to United Kingdom in June is currently the most expensive (average of $1,097). 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

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 United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Istanbul flights
Newark to Orly flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Orly flights
Newark to Gatwick flights
John F Kennedy Intl to Gatwick flights
Newark to Madrid flights
LaGuardia to Charles de Gaulle flights
Newark to Lisbon flights
John F Kennedy Intl to Madrid flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Barcelona-El Prat flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Malpensa flights
John F Kennedy Intl to Athens flights
LaGuardia to Gatwick flights
Newark to London City flights
John F Kennedy Intl to Malpensa flights
Newark to Dublin flights
John F Kennedy Intl to Frankfurt flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Dublin flights
Newark to Athens flights
John F Kennedy Intl to Amsterdam flights
John F Kennedy Intl to Zurich flights
John F Kennedy Intl to Luton flights
Newark to Frankfurt flights
John F Kennedy Intl to Stansted flights
Newark to Zurich flights
John F Kennedy Intl to Beauvais-Tille flights
John F Kennedy Intl to Keflavik Intl flights
Newark to Keflavik Intl flights
Newark to Amsterdam flights
Newark to Istanbul flights
Newark to Beauvais-Tille flights
LaGuardia to Lisbon flights
LaGuardia to Madrid flights
Newark to Frederic Chopin flights
John F Kennedy Intl to Munich flights
Newark to Stansted flights
John F Kennedy Intl to Bruxelles-National flights
Newark to Luton flights

Top 6 airlines flying from Hartford to United Kingdom

Discover the top 6 airlines that operate flights from Hartford to United Kingdom. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$641FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$594Average$953FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$672Average$918FlexibilityNo cancel feeOn-time69%
DeltaCheapest$688Average$968FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$700Average$977FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$874Average$1,225FlexibilityNo 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.