Cheap flights from London Heathrow to Chicago

Q: How much are flights normally?

£ 390. If you see flights from London Heathrow to Chicago for less than this, you've found a good deal.

Q: What are the cheapest airlines?

Air Canada, JetBlue, British Airways, Icelandair, Iberia Airlines. These airlines usually offer the cheapest flights from London Heathrow to Chicago.

Q: Can I fly direct to Chicago?

British Airways, Iberia Airlines, Finnair, Lufthansa, Aer Lingus. You can fly non-stop from London Heathrow to Chicago with these airlines.

Q: What airlines fly indirectly?

Virgin Atlantic, Air Canada, KLM, Air France, Aer Lingus. These airlines fly from London Heathrow to Chicago, but you’ll have at least one layover.

Q: How long is the flight?

8 hrs 40 mins. This is the shortest flight time from London Heathrow to Chicago.

Q: How long should I stay in Chicago?

4 days. Most people spend this amount of time in Chicago.

from as little as £417

8 nights in Chicago, departing London Heathrow on 22 / Jan / 2025 with JetBlue (price found 28 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from London Heathrow to Chicago

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The London Heathrow / Chicago route

All 6353 km of it

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Chicago flight facts

What you need to know

How much are flights normally?

£ 390

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

What are the cheapest airlines?

Air Canada
JetBlue
British Airways
Icelandair
Iberia Airlines

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

Can I fly direct to Chicago?

British Airways
Iberia Airlines
Finnair
Lufthansa
Aer Lingus

You can fly non-stop from London Heathrow to Chicago with these airlines.

What airlines fly indirectly?

Virgin Atlantic
Air Canada
KLM
Air France
Aer Lingus

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

How long is the flight?

8 hrs 40 mins

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

How long should I stay in Chicago?

4 days

Most people spend this amount of time in Chicago.

Alternative flights from the UK to Chicago

Check out prices for other routes

London to Chicago

from £417 pp

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Manchester to Chicago

from £516 pp

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Edinburgh to Chicago

from £577 pp

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Birmingham to Chicago

from £577 pp

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London Gatwick to Chicago

from £439 pp

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London Stansted to Chicago

search for price

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London City Airport to Chicago

from £544 pp

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Alternative flights from London Heathrow

You might find cheaper flights nearby

Chicago Midway Airport from London Heathrow

from £535 pp

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Chicago O'hare International Airport from London Heathrow

from £417 pp

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Today alone, Netflights has searched over 30,716 flights. 22 / Jan / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Chicago route. There are around 3,476 flights on any given week from the UK to Chicago and the cheapest month to fly right now is January.

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

Key facts about Chicago

Currency

United States dollar

Language

English

Timezone

6 hrs behind GMT

How to get cheap flights from London Heathrow to Chicago

Tips and advice from our flight experts

Search and book cheap flights from London Heathrow to Chicago with Netflights. Today alone, we've scanned 30,716 flights worldwide. There are 18 airlines offering flights in and out of Chicago, the most popular being British Airways.

Normally, Chicago O'hare International Airport is the cheapest airport to fly into Chicago. This isn’t necessarily the case for your chosen dates, but it’s worth bearing in mind. There are 3,476 flights every week to Chicago, and the flight from London Heathrow normally takes about 11 hrs 10 mins.

Prices currently start from £417. This is based on your search for flights from London Heathrow, but there are other airports nearby. Try adjusting your search to include surrounding departure airports, to see if you can find a better rate.

As well as helping you out with flights, Netflights can find you great prices on accommodation and car hire too.