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CHI → LON · International

Cheap flights from Chicago to London

Compare real-time fares from Chicago (CHI) to London (all airports, LON), United Kingdom. See the cheapest days on our price calendar, reserve now and pay later on many fares, and get real human support with no hidden fees.

Distance6,344 km
Typical non-stop timeabout 8h 26m
Time difference6 hours ahead
Currency in LondonBritish Pound (GBP)

Airports

Departing Chicago

  • O'Hare (ORD) · 25 km from the centre
  • Midway (MDW) · 14 km from the centre

Arriving London

  • Heathrow (LHR) · 23 km from the centre
  • Gatwick (LGW) · 40 km from the centre
  • Stansted (STN) · 49 km from the centre
  • Luton (LTN) · 44 km from the centre
  • London City (LCY) · 13 km from the centre

Staying in London

The UK's capital and one of the world's busiest aviation markets, served by several airports, with Heathrow the largest.

London travel guideHotels in London

Chicago to London: questions travellers ask

How long is the flight from Chicago to London?

Chicago and London are about 6,344 km apart. A non-stop flight typically takes around 8h 26m; trips with a connection take longer depending on the stopover. TripSavo shows the exact time for every option before you book.

Which airports serve London?

London has several airports: Heathrow (LHR), about 23 km from the city centre; Gatwick (LGW), about 40 km from the city centre; Stansted (STN), about 49 km from the city centre; Luton (LTN), about 44 km from the city centre; London City (LCY), about 13 km from the city centre. Searching London (LON) on TripSavo shows flights to all of them.

What is the time difference between Chicago and London?

London is 6 hours ahead of Chicago today. Where daylight saving applies, the difference can change during the year; flight times on TripSavo are always shown in local time.

Do I need a passport or visa to fly to London?

Yes, you need a passport valid for the whole trip, and many countries ask for at least six months' validity. Visa and transit rules for United Kingdom, and for any country you connect through, depend on your nationality, so check with the embassy or official immigration website before you book.

How can I find a cheaper flight from Chicago to London?

Fares change with demand. Use TripSavo's price calendar to compare days, choose flexible dates (±1 or ±3 days) to see cheaper nearby days, and save a search to check it again later. On many fares you can also reserve now and pay later while you decide.

Which currency do I pay in?

You can pay for flights in US dollars (USD) or naira (NGN): choose the currency at checkout. Hotel stays and Pay Small Small plans are paid in naira. Payments go securely through Paystack, by card, or by bank transfer or USSD for naira. If your card is in another currency, your bank converts the amount and may add its own fee.

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