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Cheap flights from Chicago to London

One-way from $278, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Thu, Nov 12Any priceFri, Nov 13Any priceSat, Nov 14Any priceSun, Nov 15$278Mon, Nov 16Any priceTue, Nov 17Any priceWed, Nov 18Any priceThu, Nov 19Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$278
Icelandair, flight FI 852Found 3 days ago, 1 adult
Check price on Aviasales
6:30pmChicagoSun, Nov 15
Travel time 11h, 2 stopsORDSTN
11:30amLondonMon, Nov 16
$288
Icelandair, flight FI 852Found 7 days ago, 1 adult
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6:30pmChicagoMon, Nov 9
Travel time 11h 25m, 2 stopsORDSTN
11:55amLondonTue, Nov 10
$300
Southwest Airlines, flight WN 2905Found 5 days ago, 1 adult
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5:00amChicagoTue, Oct 20
Travel time 9h 5m, 1 stopMDWLGW
8:05pmLondonTue, Oct 20
$322
Icelandair, flight FI 852Found 7 days ago, 1 adult
Check price on Aviasales
6:30pmChicagoMon, Nov 2
Travel time 11h 25m, 2 stopsORDLGW
11:55amLondonTue, Nov 3
$328
Icelandair, flight FI 852Found 6 days ago, 1 adult
Check price on Aviasales
6:30pmChicagoMon, Feb 1
Travel time 9h 25m, 1 stopORDLHR
9:55amLondonTue, Feb 2

Round trips

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

Plan the rest of the trip

  • Mobile data in United KingdomTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in London, booked ahead at a fixed price.
    See options
  • Things to do in LondonPopular tours from $51.11 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United Kingdom from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? With a UK or EU airline you may be owed 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

MoTuWeThFrSaSu1234$3305–6–7–8–9–10–11–12–13–14–15–16–17$33918–19–20$30021–22–23–24–25–26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1$4652$3223–4–5–6–7–8–9$28810–11–12–13–14–15$27816–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1$3302–345678910111213141516171819202122232425262728293031
$322 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 15, $278.

Lowest fares by month

In the fares found this week, November has the lowest: from $278 one-way, against $443 in June 2027. Pick a month to see its cheapest date.

$0$200$400$600Oct$278NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$300Tue, Oct 201 stop
November$278Sun, Nov 152 stops
December$330Tue, Dec 11 stop
January 2027—
February 2027$328Mon, Feb 11 stop
March 2027$333Mon, Mar 11 stop
April 2027$333Thu, Apr 11 stop
May 2027$329Sat, May 12 stops
June 2027$443Tue, Jun 11 stop
July 2027—
August 2027—
September 2027—

Questions travellers ask

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

In the fares found this week, November has the lowest: from $278 one-way, against $443 in June 2027.

Are there direct flights from Chicago to London?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

Which day of the week is cheapest to fly?

In the fares we have, Monday departures are the cheapest, with a typical lowest fare of $325. Sunday is the priciest at about $398.

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