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Cheap flights from London to Chicago

One-way from £283, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Sat, Jan 30Any priceSun, Jan 31Any priceMon, Feb 1Any priceTue, Feb 2£283Wed, Feb 3Any priceThu, Feb 4Any priceFri, Feb 5Any priceSat, Feb 6Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
£283
Ryanair, flight FR 5127Found 2 days ago, 1 adult
Check live price
20:00LondonTue, Feb 2
Travel time 14h 45m, 2 stopsSTNORD
04:45ChicagoWed, Feb 3
£310
Ryanair, flight FR 8230Found 3 days ago, 1 adult
Check live price
14:50LondonThu, Nov 5
Travel time 13h 45m, 2 stopsSTNORD
22:35ChicagoThu, Nov 5
£316
Ryanair, flight FR 533Found yesterday, 1 adult
Check live price
16:35LondonWed, Dec 16
Travel time 12h 55m, 2 stopsSTNORD
23:30ChicagoWed, Dec 16
£318
Ryanair, flight FR 2618Found yesterday, 1 adult
Check live price
08:15LondonTue, Dec 8
Travel time 12h 5m, 2 stopsSTNORD
14:20ChicagoTue, Dec 8
£338
Ryanair, flight FR 2618Found 5 days ago, 1 adult
Check live price
11:35LondonMon, Nov 16
Travel time 12h 5m, 2 stopsSTNORD
17:40ChicagoMon, Nov 16

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Chicago, booked ahead at a fixed price.
    See options
  • Things to do in ChicagoPopular tours from $27.95 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United States from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to £520 per person under UK261.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425£54226£37127£43228£41329£50630£44831£570

November 2026

MoTuWeThFrSaSu1£4582£3683£3704£3695£3106£4197£3898£3649–10–11–12–13–14–15–16£33817–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8£3189–10–11–12–13–14–15–16£31617–18–19–20–21–22–23–2425262728293031
£338 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 5, £310.

Lowest fares by month

In the fares found this week, February 2027 has the lowest: from £283 one-way, against £489 in July 2027. Pick a month to see its cheapest date.

  1. Oct£371
  2. Nov£310
  3. Dec£316
  4. Jan£479
  5. Feb£283
  6. Marno fares yet
  7. Aprno fares yet
  8. Mayno fares yet
  9. Junno fares yet
  10. Jul£489
  11. Aug£466
  12. Sepno fares yet
£0£200£400£600OctNovDecJan£283FebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October£371Mon, Oct 26Nonstop
November£310Thu, Nov 52 stops
December£316Wed, Dec 162 stops
January 2027£479Mon, Jan 41 stop
February 2027£283Tue, Feb 22 stops
March 2027—
April 2027—
May 2027—
June 2027—
July 2027£489Sat, Jul 312 stops
August 2027£466Thu, Aug 52 stops
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Chicago. Average daily high and low and monthly precipitation, 1991–2020 normals.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare£371£310£316£479£283––––£489£466–
High °C18°10°3°0°3°9°16°22°27°30°28°25°
Low °C8°2°-4°-7°-5°0°5°11°17°20°19°15°
Precipitation mm98695958546810512111510210485

Source: Chicago on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from London to Chicago?

In the fares found this week, February 2027 has the lowest: from £283 one-way, against £489 in July 2027.

What is the weather in Chicago in February 2027?

In February 2027, the cheapest month to fly, the average daily high in Chicago is 3 °C and the low -5 °C.

Are there direct flights from London to Chicago?

Yes. Recent fares include nonstop flights with Finnair.

How long is the flight from London to Chicago?

A nonstop flight takes about 8h 50m. The distance is 6,366 km.

Which day of the week is cheapest to fly?

In the fares we have, Tuesday departures are the cheapest, with a typical lowest fare of £344. Saturday is the priciest at about £516.

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