Cheap flights from London Heathrow to Hartford

Q: How much are flights normally?

£ 485. If you see flights from London Heathrow to Hartford for less than this, you've found a good deal.

Q: What are the cheapest airlines?

KLM, Virgin Atlantic. These airlines usually offer the cheapest flights from London Heathrow to Hartford.

Q: What airlines fly indirectly?

KLM, Virgin Atlantic, Lufthansa. These airlines fly from London Heathrow to Hartford, but you’ll have at least one layover.

Q: When is high season?

February. This is the most expensive time to fly to Hartford. If this is when you want to go, book your flight from London Heathrow in advance.

Q: When is the cheapest time to fly?

September. Flights from London Heathrow to Hartford are usually cheaper at this time of year.

Q: How long is the flight?

11 hrs 50 mins. This is the shortest flight time from London Heathrow to Hartford.

Q: How long should I stay in Hartford?

5 days. Most people spend this amount of time in Hartford.

from as little as £511

8 nights in Hartford, departing London Heathrow on 16 / Sep / 2025 with Virgin Atlantic (price found 12 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from London Heathrow to Hartford

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The London Heathrow / Hartford route

All 5394 km of it

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Hartford flight facts

What you need to know

How much are flights normally?

£ 485

If you see flights from London Heathrow to Hartford for less than this, you've found a good deal.

What are the cheapest airlines?

KLM
Virgin Atlantic

These airlines usually offer the cheapest flights from London Heathrow to Hartford.

What airlines fly indirectly?

KLM
Virgin Atlantic
Lufthansa

These airlines fly from London Heathrow to Hartford, but you’ll have at least one layover.

When is high season?

February

This is the most expensive time to fly to Hartford. If this is when you want to go, book your flight from London Heathrow in advance.

When is the cheapest time to fly?

September

Flights from London Heathrow to Hartford are usually cheaper at this time of year.

How long is the flight?

11 hrs 50 mins

This is the shortest flight time from London Heathrow to Hartford.

How long should I stay in Hartford?

5 days

Most people spend this amount of time in Hartford.

Alternative flights from the UK to Hartford

Check out prices for other routes

London to Hartford

from £511 pp

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Manchester to Hartford

from £585 pp

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Edinburgh to Hartford

from £601 pp

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Birmingham to Hartford

from £630 pp

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London City Airport to Hartford

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London Gatwick to Hartford

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Alternative flights from London Heathrow

You might find cheaper flights nearby

Boston from London Heathrow

from £348 pp

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New York from London Heathrow

from £345 pp

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Philadelphia from London Heathrow

from £433 pp

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Washington DC from London Heathrow

from £431 pp

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Toronto from London Heathrow

from £365 pp

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Chicago from London Heathrow

from £390 pp

Find flights

Today alone, Netflights has searched over 388 flights. 16 / Sep / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Hartford route. There are around 36 flights on any given week from the UK to Hartford and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)

LOWEST

-8 °C

AVG

11 °C

HIGHEST

29 °C

Rainfall (mm)

LOWEST

68.6 mm

AVG

92.7 mm

HIGHEST

104.1 mm

Key facts about Hartford

Currency

United States dollar

Language

English

Timezone

5 hrs behind GMT

How to get cheap flights from London Heathrow to Hartford

Tips and advice from our flight experts

We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Hartford. You can choose from three airlines. At the moment, 16 / Sep / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.

KLM is the most popular airline that flies from London Heathrow to Hartford. But it's still worth looking at other options, as there are 36 flights to Hartford every week. If you want to broaden your search, look at flights departing from other airports.

The distance between London Heathrow to Hartford is 5394 km. Normally, it takes about 13 hrs 50 mins to fly, and you can definitely expect the journey to be at least 11 hrs 50 mins. You can see the various flight times in the results.

The cheapest month to fly to Hartford is September, while February is when the prices of flights, hotels and car hire will be at their highest. If you need somewhere to stay for your trip to the USA, take a look at our accommodation options.