The cheapest times to fly from HVN to LHR are

  • January 8th to March 25th
  • April 16th to May 27th
  • October 8th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from HVN to LHR is late May. Prices can be as high as $1479 for Saturday flights during early August, or as low as $658 for Tuesday flights around late May.


When to Fly to London

Flying from New Haven, CT (HVN) to London (LHR) will usually cost between $723 to $1234 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May with an average ticket price of $670. Due to high demand the most expensive time to fly is early August, with an average price of $1305. Planning your trip to low-cost times can easily save you $635 on economy flights and even more on first-class flights. Generally, any price below $833 can be considered a good price for a round-trip HVN to LHR flight.

See below for a graph of average weekly prices for the HVN to LHR route. All prices are for round-trip tickets in USD.

HVN to LHR Flight Prices

Compared to other flights, the HVN to LHR flight is cheaper than the average and costs less than the average flight leaving from New Haven. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to London, and Fridays are the most expensive days to return to New Haven. Selecting flights on the least expensive days could save you up to $96 (8%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $858. Return trip prices are from the LHR to HVN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from HVN to LHR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 4 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from HVN to LHR while comparing.

Destination alternative #1: London Gatwick Airport (LGW) in London

  • 25 miles (40 km) away from LHR
  • Usually 0.12% less expensive than LHR
  • 2-layover flights available

See HVN to LGW flights


Flight Hacking HVN to LHR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from HVN to LHR — but Champion Traveler does!

Hack #1: Chicago, IL (HVN > ORD > LHR)

  • Price for both tickets: $782
  • Average savings: $52 (6.18%)

See HVN to ORD flights

Hack #2: Orlando, FL (HVN > MCO > LHR)

  • Price for both tickets: $786
  • Average savings: $47 (5.64%)

See HVN to MCO flights

Hack #3: Tampa, FL (HVN > TPA > LHR)

  • Price for both tickets: $811
  • Average savings: $23 (2.7%)

See HVN to TPA flights


Flight Questions Answered

Still have questions about flying from HVN to LHR? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Aer Lingus, American, British Airways, Finnair, Iberia, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to Tweed New Haven Airport?

The distance between the two airports is roughly 3378 miles or 5436 kilometers.

How long does it take to fly from HVN to LHR?

The real-world flight time for a nonstop HVN to LHR flight is about 7 hour 4 minutes.

How many flights go between New Haven, CT and London?

It depends on the day of the week and the date, but a typical day might have around 8 available flights from HVN to LHR.


Airport Location Info


Departing Airport

Origination codeHVN
Origination airport nameTweed New Haven Airport
CityNew Haven, CT
Countrythe United States

Return Airport

Destination codeLHR
Destination airport nameLondon Heathrow Airport
Countrythe United Kingdom


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.