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

The cheapest airlines for a one-way flight from Connecticut to London are Norse Atlantic UK ($139), TAP AIR PORTUGAL ($151), and JetBlue ($170).

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.

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).

What are the most popular routes from Connecticut to London?

While some choose either Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick, New York John F Kennedy Intl - London Heathrow is the most popular route from Connecticut to London.

What are the most popular airlines that fly from Connecticut to London?

Consider American Airlines, JetBlue or Delta when booking your flight. These represent the most popular airlines when flying from Connecticut to London.

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

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

How can I find direct flights from Connecticut to London?

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

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

Yes. Cheapflights offers flight deals from Connecticut 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.

$138+ Flights from Connecticut to London

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Cheap flight deals from Connecticut to London

Round-trip from	$440 (Connections by easyJet)
One-way from	$139 (Norse Atlantic Airways)

From Connecticut to London (LON)

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One-way flight from Connecticut to London (LON)

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Find flight deals from Connecticut to London

Cheapest flights from Connecticut to London
Explore the most affordable flight options available from Connecticut to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Fri 9/196:20 pmJFK - LGW

Nonstop7h 00mNorse Atlantic UK

Tue 10/141:05 pmLGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 7/31

$439

Fri 10/1010:05 pmJFK - STN

2 stops17h 40mMultiple Airlines

Tue 10/147:05 amSTN - JFK

2 stops18h 00mMultiple Airlines

Deal found 7/30

$440

Mon 10/2012:30 amJFK - LGW

1 stop31h 05mMultiple Airlines

Tue 11/181:00 pmLGW - JFK

Nonstop7h 55mMultiple Airlines

Deal found 7/30

$440

Mon 9/2212:15 amJFK - LTN

1 stop28h 00mMultiple Airlines

Mon 9/293:05 pmLTN - JFK

1 stop12h 10mMultiple Airlines

Deal found 7/31

$441

Wed 12/1011:45 pmJFK - LHR

1 stop13h 15mMultiple Airlines

Wed 1/79:55 amLHR - JFK

1 stop17h 05mMultiple Airlines

Deal found 7/31

$441

Tue 10/711:25 pmJFK - LHR

1 stop15h 40mLEVEL

Mon 10/138:50 pmLHR - JFK

1 stop29h 50mLEVEL

Deal found 7/31

$442

Fri 9/56:25 pmJFK - LHR

1 stop9h 40mAer Lingus

Sun 10/59:50 amLHR - JFK

1 stop12h 00mAer Lingus

Deal found 7/30

$443

Thu 10/29:59 amLGA - LGW

1 stop19h 01mMultiple Airlines

Tue 10/72:00 pmLGW - LGA

1 stop24h 00mMultiple Airlines

Deal found 7/29

$445

Fri 9/264:50 pmJFK - LHR

1 stop10h 35mIberia

Sun 9/288:25 amLHR - JFK

Nonstop7h 45mIberia

Deal found 7/30

$445

Wed 9/2410:05 pmJFK - LHR

1 stop18h 55mTAP AIR PORTUGAL

Tue 10/216:00 amLHR - JFK

1 stop19h 05mTAP AIR PORTUGAL

Deal found 7/30

$447

Sun 10/268:35 pmJFK - LHR

1 stop13h 05mSWISS

Sat 11/89:00 amLHR - JFK

1 stop12h 40mSWISS

Deal found 7/29

$451

Fri 9/198:05 pmJFK - LGW

Nonstop7h 05mBritish Airways

Mon 9/223:05 pmLGW - JFK

Nonstop8h 00mBritish Airways

Deal found 7/30

$454

Best flights from Connecticut to London
Discover carefully curated flight deals from Connecticut to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Fri 9/196:20 pmJFK - LGW

Nonstop7h 00mNorse Atlantic UK

Tue 10/141:05 pmLGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 7/31

$439

Fri 10/1010:05 pmJFK - STN

2 stops17h 40mMultiple Airlines

Tue 10/147:05 amSTN - JFK

2 stops18h 00mMultiple Airlines

Deal found 7/30

$440

Tue 10/711:25 pmJFK - LHR

1 stop15h 40mLEVEL

Mon 10/138:50 pmLHR - JFK

1 stop29h 50mLEVEL

Deal found 7/31

$442

Fri 9/56:25 pmJFK - LHR

1 stop9h 40mAer Lingus

Sun 10/59:50 amLHR - JFK

1 stop12h 00mAer Lingus

Deal found 7/30

$443

Fri 9/264:50 pmJFK - LHR

1 stop10h 35mIberia

Sun 9/288:25 amLHR - JFK

Nonstop7h 45mIberia

Deal found 7/30

$445

Wed 9/2410:05 pmJFK - LHR

1 stop18h 55mTAP AIR PORTUGAL

Tue 10/216:00 amLHR - JFK

1 stop19h 05mTAP AIR PORTUGAL

Deal found 7/30

$447

Sun 10/268:35 pmJFK - LHR

1 stop13h 05mSWISS

Sat 11/89:00 amLHR - JFK

1 stop12h 40mSWISS

Deal found 7/29

$451

Fri 9/198:05 pmJFK - LGW

Nonstop7h 05mBritish Airways

Wed 9/243:05 pmLGW - JFK

Nonstop8h 00mBritish Airways

Deal found 7/28

$454

Tue 9/163:30 pmLGA - LHR

1 stop10h 00mAir Canada

Tue 9/309:30 amLHR - LGA

1 stop10h 17mAir Canada

Deal found 7/28

$455

Fri 9/127:30 pmJFK - LGW

1 stop9h 05mJetBlue

Fri 9/1912:10 pmLGW - JFK

1 stop11h 49mJetBlue

Deal found 7/30

$465

Fri 9/196:55 pmJFK - LHR

1 stop16h 05mScandinavian Airlines

Sun 9/216:40 amLHR - JFK

2 stops39h 20mScandinavian Airlines

Deal found 7/30

$487

Sun 9/142:20 pmLGA - LHR

1 stop16h 30mLufthansa

Sat 9/272:05 pmLHR - LGA

1 stop10h 32mLufthansa

Deal found 7/29

$499

Last-minute flights from Connecticut to London
Discover last-minute flight deals from Connecticut to London. Data last updated July 31, 2025 and is based on user searches.

Tue 8/54:29 pmJFK - LGW

1 stop12h 06mJetBlue

Wed 9/1012:10 pmLGW - JFK

1 stop13h 44mJetBlue

Deal found 7/31

$442

Tue 8/512:15 amJFK - LTN

1 stop28h 00mMultiple Airlines

Wed 9/107:00 pmLTN - JFK

1 stop32h 15mMultiple Airlines

Deal found 7/29

$462

Tue 8/54:55 pmJFK - LHR

1 stop10h 05mAer Lingus

Wed 9/109:50 amLHR - JFK

1 stop12h 00mAer Lingus

Deal found 7/31

$476

Tue 8/58:25 pmJFK - STN

2 stops21h 30mMultiple Airlines

Tue 8/198:15 amSTN - JFK

2 stops15h 55mMultiple Airlines

Deal found 7/28

$490

Wed 8/63:30 pmLGA - LHR

1 stop10h 00mAir Canada

Wed 9/109:30 amLHR - LGA

1 stop10h 17mAir Canada

Deal found 7/29

$483

Wed 8/610:59 amJFK - LHR

1 stop14h 31mJetBlue

Wed 9/108:15 amLHR - JFK

Nonstop7h 59mJetBlue

Deal found 7/30

$484

Wed 8/610:15 amLGA - LHR

1 stop15h 15mMultiple Airlines

Tue 8/262:05 pmLHR - LGA

1 stop10h 26mMultiple Airlines

Deal found 7/29

$494

Wed 8/69:00 amJFK - LHR

1 stop20h 00mUnited Airlines

Wed 9/108:40 amLHR - JFK

1 stop12h 55mUnited Airlines

Deal found 7/30

$497

Fri 8/86:10 pmJFK - LHR

1 stop22h 25mMultiple Airlines

Sun 8/107:15 pmLHR - JFK

1 stop24h 05mMultiple Airlines

Deal found 7/30

$446

Fri 8/86:20 pmJFK - LGW

Nonstop7h 00mMultiple Airlines

Wed 9/106:05 pmLGW - JFK

1 stop33h 10mMultiple Airlines

Deal found 7/30

$475

Fri 8/87:10 pmJFK - LHR

1 stop14h 10mBritish Airways

Sun 8/1012:55 pmLHR - JFK

1 stop28h 34mBritish Airways

Deal found 7/30

$490

Sun 8/106:20 pmJFK - LGW

Nonstop7h 00mNorse Atlantic UK

Wed 11/51:00 pmLGW - JFK

Nonstop7h 55mNorse Atlantic UK

Deal found 7/30

$449

One-way flights from Connecticut to London
Search for one-way flight options from Connecticut to London. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Wed 9/246:20 pmJFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 7/31

$138

Fri 10/2410:05 pmJFK - LHR

1 stop18h 55mTAP AIR PORTUGAL

Deal found 7/31

$151

Tue 10/2110:05 pmJFK - LGW

1 stop12h 30mTAP AIR PORTUGAL

Deal found 7/31

$163

Mon 9/2912:15 amJFK - LTN

1 stop13h 15mMultiple Airlines

Deal found 7/29

$176

Mon 9/812:15 amJFK - LGW

1 stop14h 20mMultiple Airlines

Deal found 7/30

$176

Thu 10/2312:30 amJFK - STN

1 stop16h 00mMultiple Airlines

Deal found 7/30

$179

Tue 10/145:55 amLGA - LGW

1 stop23h 05mMultiple Airlines

Deal found 7/29

$181

Sun 10/2612:45 amJFK - LGW

1 stop18h 35mIberia

Deal found 7/29

$186

Tue 8/198:59 pmJFK - LHR

Nonstop7h 31mJetBlue

Deal found 7/30

$191

Wed 9/38:25 pmJFK - LHR

1 stop10h 30mIcelandair

Deal found 7/30

$197

Sun 9/2811:40 pmJFK - LHR

1 stop28h 30mLEVEL

Deal found 7/29

$201

Sat 9/273:30 pmLGA - LHR

2 stops12h 05mAir Canada

Deal found 7/30

$205

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 9/19

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Tue 10/14

1:05 pm-3:55 pm

Nonstop7h 50m

$439

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Fri 10/10

10:05 pm-8:45 pm

2 stops17h 40m

London Stansted

Tue 10/14

7:05 am-8:05 pm

2 stops18h 00m

$440

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 10/20

12:30 am-12:35 pm

1 stop31h 05m

London Gatwick

Tue 11/18

1:00 pm-3:55 pm

Nonstop7h 55m

$440

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Mon 9/22

12:15 am-9:15 am

1 stop28h 00m

London Luton

Mon 9/29

3:05 pm-10:15 pm

1 stop12h 10m

$441

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 10/7

11:25 pm-8:05 pm

1 stop15h 40m

London Heathrow

Mon 10/13

8:50 pm-9:40 pm

1 stop29h 50m

$442

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/5

6:25 pm-9:05 am

1 stop9h 40m

London Heathrow

Sun 10/5

9:50 am-4:50 pm

1 stop12h 00m

$443

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/26

4:50 pm-8:25 am

1 stop10h 35m

London Heathrow

Sun 9/28

8:25 am-11:10 am

Nonstop7h 45m

$445

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Thu 10/2

9:59 am-10:00 am

1 stop19h 01m

London Gatwick

Tue 10/7

2:00 pm-9:00 am

1 stop24h 00m

$445

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 9/24

10:05 pm-10:00 pm

1 stop18h 55m

London Heathrow

Tue 10/21

6:00 am-8:05 pm

1 stop19h 05m

$447

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 10/26

8:35 pm-1:40 pm

1 stop13h 05m

London Heathrow

Sat 11/8

9:00 am-4:40 pm

1 stop12h 40m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 60 results

...

Best time to book a flight from Connecticut to London

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

What is the cheapest month to book a flight from Connecticut to London?

Currently, November is the cheapest month in which you can book a flight from Connecticut to London (average of $661). Flying from Connecticut to London 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 CT to LON?

When flying from Connecticut to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing London

Read reviews from past customers who have flown Delta, Austrian Airlines, and SWISS from Connecticut to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

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

7,981 reviews

Delta

8.0

Very good

7,981 reviews

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.

Austrian Airlines

7.6

Good

823 reviews

Delta

8.0

Very good

7,981 reviews

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.

SWISS

7.5

Good

1,686 reviews

Delta

8.0

Very good

7,981 reviews

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

8,900 reviews

Delta

8.0

Very good

7,981 reviews

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

7.4

Good

655 reviews

Delta

8.0

Very good

7,981 reviews

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

What are the cheapest airlines to fly from Connecticut to London one-way?
The cheapest airlines for a one-way flight from Connecticut to London are Norse Atlantic UK ($139), TAP AIR PORTUGAL ($151), and JetBlue ($170).
What are the most popular routes from Connecticut to London?
While some choose either Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick, New York John F Kennedy Intl - London Heathrow is the most popular route from Connecticut to London.
Can I find deals for flights from Connecticut to London that include hotel bookings?
Yes. In addition to deals on Connecticut to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Connecticut to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Connecticut to London.
Can I find deals for business class flights from Connecticut to London?
Yes. Cheapflights offers flight deals from Connecticut 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 Connecticut to London?
Currently, November is the cheapest month in which you can book a flight from Connecticut to London (average of $661). Flying from Connecticut to London 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

Hounslow

Hayes

Thornton Heath

Harrow

Canterbury

Dover

Orpington

Watford

Gatwick

Borehamwood

Dartford

Aylesbury

Chelmsford

Folkestone

Southend-on-Sea

Chichester

Arundel

Milton Keynes

Bishop's Stortford

Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Connecticut to London

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$16	Average$16	FlexibilityNo cancel fee	On-time62%
Aer Lingus	Cheapest$569	Average$855	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$634	Average$891	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$680	Average$962	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$704	Average$943	FlexibilityNo cancel fee	On-time71%

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$138+ Cheap flights from Connecticut 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Connecticut to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Connecticut to London

Keep the following information in mind while searching for Connecticut to London flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Find flight deals from Connecticut to London

Cheapest flights from Connecticut to LondonExplore the most affordable flight options available from Connecticut to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Connecticut to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Connecticut to London that are best for you.

Best time to book a flight from Connecticut to London

Have a flexible travel schedule? Discover the best time to fly to London from Connecticut with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Connecticut to London

What is the cheapest month to book a flight from Connecticut to London?

What is the cheapest time of day to fly from CT to LON?

Find hourly flight availability from Connecticut 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 July 31, 2025.

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 July 31, 2025.

Read reviews from past customers who have flown Delta, Austrian Airlines, and SWISS from Connecticut to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Connecticut to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the most popular routes from Connecticut to London?

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

How can I find direct flights from Connecticut to London?

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

What is the cheapest month to book a flight from Connecticut to London?

Traveling to a place near London?

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Alternative routes for Connecticut to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Connecticut to London

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Cheapest flights from Connecticut to London
Explore the most affordable flight options available from Connecticut to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.