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Cheap flights to Chicago

Compare flights to Chicago from your city, see the cheapest months and get alerts when fares drop.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

$514 Oct2026 $420 Nov2026 $422 Dec2026 $405 Jan2027

London → Chicago

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 2 3 4 $448 5 $420 6 7 8 9 10 $475 11 12 13 14 15 16 17 18 19 20 $488 21 22 23 24 25 26 27 28 29 30
LowerHigherLowest this month

Lowest fares for the best day

  • RyanairThu 5 Nov – Sun 15 Nov · 2 stops · 12h 55m $551
  • United AirlinesFri 13 Nov – Fri 20 Nov · 2 stops · 12h 53m $966
See all flights for these dates

Airports in Chicago

  • ORDO'Hare
  • MDWMidway

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CHI

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More trips from London

All flights from London
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FAQ

Questions about this route

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Help center Contact us
01Which airports serve Chicago?

Chicago is served by O'Hare (ORD), Midway (MDW). Searching the city code compares all of them at once.

02Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

03How can I get an alert when flights to Chicago get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.